Top 30 Trailer Springs on Amazon (Verified You can Buy)
Top 1
Magorfas Trailer Leaf Spring 4 Leaf Double Eye 1750 lbs Cap for 3500 lbs Axle Suspension 25-1/4" Length fits for SW4B - Set 2
Magorfas
MFLS0002Q2
Ratings for Magorfas (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon Resale | - | ❌ | ❌ | ❌ |
| Frombet | - | ❌ | ❌ | ❌ |
Features
Specifications: 4 leaves; Eye to eye length: 25-1/4" ; Free open: 3" ; Width of leaf: 1-3/4" ; Bushing dia: 9/16" ; Leaf thickness: 5/16"
Fitment Fits for: SW4B; 1750 lb capacity per spring for 3500 lbs trailers. Please check the load rating to ensure that the correct leaf spring is selected.
Top 2
dreamdragon 7,000 lbs Tandem Trailer Suspension Kit – Includes 6 Leaf Spring, U-Bolts, and Hangers for 7K Axles
dreamdragon
UNA223*4
Ratings for dreamdragon (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Racing Auto Parts | - | ❌ | ❌ | ❌ |
Features
Each Trailer Leaf Spring is rated for 3,500 lbs, making it ideal for use with standard 7,000 lbs trailer axles, offering reliable suspension support and durability.
With a 25-1/4" eye-to-eye length, 3" free open height, 1-3/4" leaf width, and 6-leaf design, this spring is built for optimal load distribution and long-lasting performance.
Top 3
Getanye 4Pack Suspension Helper Spring TSS-107-40, Left/Right Trailer Auxiliary Spring for Spring-Over Axle Trailer Configuration, 3000-5000 GAWR
Getanye
TSS-107-40
Ratings for Getanye (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| MSC-CD | - | ❌ | ❌ | ❌ |
Features
Air Helper Springs Left/Right Mount On Trailer Leaf Spring Assemblies
Part# TSS-107-40
Top 4
TRAILER SUPPLIES 24.25" 3-Leaf Slipper Trailer Leaf Springs (Pair) with 2000 lbs U-Bolt Mounting Kit – 1,500 lbs Axle Capacity – Fits 1-3/4" Round Axles –for Utility & Boat Trailers
TRAILER SUPPLIES
750x2+1Ubolt
Ratings for TRAILER SUPPLIES (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Trailer Supplies | - | ❌ | ❌ | ❌ |
Features
Heavy-Duty Load Support – Includes 2 x 3-leaf trailer springs (WIE-3) rated at 750 lbs each, for a combined 1,500 lbs axle capacity—perfect for single-axle light-duty trailers.
Standard OEM Fit – Each spring measures 24-1/4" from eye center to radius end (hook/slipper end), with a 1-3/4" spring width and 9/16" bushing ID—compatible with Dexter 4331-07B, UNA-203, WE-3, and more.
Top 5
Magorfas Single Trailer Leaf Spring 4 Leaf Double Eye 1750 lbs Cap for 3500 lbs Axle Suspension & U-Bolt kit, 25-1/4" Length fits for SW4B - Set 2
Magorfas
MFLS0003Q2
Ratings for Magorfas (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Frombet | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
Specifications: 4 leaves; Eye to eye length: 25-1/4" ; Free open: 3" ; Width of leaf: 1-3/4" ; Bushing dia: 9/16" ; Leaf thickness: 5/16"
Fitment Fits for: SW4B; 1750 lb capacity per spring for 3500 lbs trailers. Please check the load rating to ensure that the correct leaf spring is selected.
Top 6
Trailer Leaf Spring, 4 Leaf 2500lb Double Eye Leaf Springs for 5000lb Trailer Axle, 25-1/4"L, 1.75" Width, 3” Free Open of Leaf Spring, Replace for SW4 / UNA218 / PR4 / 9150016 / 93181, 2 Pieces
SEHNSUCHT
Ratings for SEHNSUCHT (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon Resale | - | ❌ | ❌ | ❌ |
| Sehnsucht direct | - | ❌ | ❌ | ❌ |
Features
About The Springs: Each spring offer 2500lbs capacity, suit for standard 5000lbs trailer axle.Eye to Eye length: 25-1/4", Free open: 3", width of leaf: 1-3/4", Eye diameter with bushing: 9/16" Eye diameter without bushing: 11/16", 4 leaves, Leaf thickness: 3/8".
About The Replacement: It will replace SW4, 72-25, UNA218, PR4, 124886, 9150016, 93181. These leaf springs are designed to match the original leaf springs on specific vehicles or trailers.
Top 7
Aeagle 4 Leaf 1750lb Capacity Double Eye Spring for 3500lb Trailer Axle, 25-1/4" Length, 1.75" Width, 3" Free Open; Replaces for SW4B, 2 PCS
Aeagle
AELS0002Q2
Ratings for Aeagle (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| AEagle Parts | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
Replaces for Part Number: SW4B,not fit square axle，Only fit round axle.
Includes: 2 x 4-Leaves Double Eyes Springs
Top 8
Aeagle 25-1/4" 4-Leaf 1750lb Capacity Double Eye Spring for 3500lb Trailer Axle & U-Bolt Kit, 1.75" Width, 3" Free Open, Replaces for SW4B, 2PCS
Aeagle
Ratings for Aeagle (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon Resale | - | ❌ | ❌ | ❌ |
| AEagle Parts | - | ❌ | ❌ | ❌ |
Features
Replaces for Part Number: SW4B,not fit square axle,Only fit round axle.
Includes: 2 x 4-Leaves Double Eyes Springs; 3500lbs axle U-bolt kit(Kit includes: 4 x 5-1/2" long U bolts, U-bolt thread diameter is 1/2",the thread length of the U-bolt bolt is 2 inches.the curvature (inside diameter) of the U-bolt is 2 4/9"; 2 x tie plates for 1-3/4" leaf springs; 8 x 1/2"-20 hex nuts). And this kit used for 2-3/8" dia round trailer axles.
Top 9
Youxmoto 4pcs 5 Leaf Springs 3000lb, for 5200lb-6000lb Tandem Trailer Axle Suspension Kit & U-Bolt & Hanger Kit; 25-1/4" L, 1-3/4" Width, 9/16" Bushing Dia, Fits for SW5
Youxmoto
LFLS0011-LYF
28.35 x 17.0 x 5.0 Inches
Ratings for Youxmoto (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Lifahefi direct | - | ❌ | ❌ | ❌ |
Features
Youxmoto 4pcs 5 Leaf Springs 3000lb, for 5200lb-6000lb Tandem Trailer Axle Suspension Kit
DIRECT REPLACEMENT: Replace For SW5. Attention: The nut must be tightened horizontally, otherwise it will affect its use
Top 10
AEagle 25-1/4" 4-Leaf 1750lb Capacity Double Eye Spring for 3500lb Trailer Axle & U-Bolt & Tandem Hanger Kit, 1.75" Width, 3" Free Open Suspension Kit Replaces SW4B, 4 PCS
Aeagle
Ratings for Aeagle (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| AEagle Parts | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
Replaces for Part Number: SW4B,not fit square axle,Only fit round axle.
Parameters: 1750lbs capacity per spring, for 3500lbs trailers; Eye to eye length 25-1/4 inch; Free open 3-inch; 4 leaves; The width of leaf 1-3/4 inch; Leaf thickness 5/16 inch; 9/16 inch bushing dia, 2 bushings installed for each spring.（Note: The nut should be tightened horizontally. Failure to do so will affect the final user experience）
Top 11
Youxmoto 3500lb Single Trailer Axle Suspension Kit 1750lb Leaf Springs & Ubolt Kit; Pair of Trailer Leaf Spring 4 Leaf Double Eye, 25-1/4" L, 1-3/4" Width, 9/16 Eye I.D
Youxmoto
LFLS0003-LYF
5.0 x 5.0 x 19.0 inches
Ratings for Youxmoto (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Lifahefi direct | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
4 Leaf Spring: 1750 lb Capacity Per Spring; For 3,500 lbs Trailers
Direct Replacement: Kit include: 4 x 5-1/2" long U bolts, U bolts dia. 1/2"; 2 x tie plates for 1-3/4" leaf springs; 8 x 1/2"-20 hex nuts. Fits: For SW4B. This kit is for 3,500lbs round axle which axle beam dia 2-3/8". Attention: The nut must be tightened horizontally, otherwise it will affect its use
Top 12
Aeagle 4 Leaf 2500lb Capacity Double Eye Spring for 5000lb Trailer Axle, 25-1/4" Length, 1.75" Width, 3" Free Open Replaces SW4, 2 PCS
Aeagle
Ratings for Aeagle (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon Resale | - | ❌ | ❌ | ❌ |
| AEagle Parts | - | ❌ | ❌ | ❌ |
Features
Replaces for Part Number: Replaces SW4,not fit square axle,Only fit round axle.
Includes: 2 x 4-Leaves Double Eyes Springs
Top 13
Best Trailer Hardware
2 Pieces of Replacement for SW4B 4 Leaf Trailer Spring, 3500lb Single Trailer Axle Suspension Kit with 1750lb Capacity Double Eyes Leaf Springs, U-Bolt and Hanger Kit
SEHNSUCHT
Ratings for SEHNSUCHT (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon Resale | - | ❌ | ❌ | ❌ |
| Sehnsucht direct | - | ❌ | ❌ | ❌ |
Features
About The Springs: Each spring offer 1,750lbs capacity, suit for standard 3,500lbs trailer axle. Eye to Eye length: 25-1/4 inch, Free open: 3 inch, width of leaf: 1-3/4 inch, 4 leaves, 9/16 inch bushing dia, 2 Bushings Installed for Each Spring, Leaf Thickness 5/16. NOTE: The nut should be tightened horizontally. Failure to do so will affect the final user experience.
About The Replacement and Material: It will replace for SW4B. The Leaf Springs Made of Heavy Duty Carbon Steel for transmission stability and friction damping; Extra added anti-rust coating for corrosion resistance and long-lasting performance.
Top 14
Replacement for SW5 5 Pieces Trailer Leaf Spring, 6000LB Tandem Trailer Axle Suspension Kit with 3000lb Capacity Double Eyes Leaf Springs, 2* U-Bolt and Hanger Kit
SEHNSUCHT
Ratings for SEHNSUCHT (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon Resale | - | ❌ | ❌ | ❌ |
| Sehnsucht direct | - | ❌ | ❌ | ❌ |
Features
About The Springs: Each spring offer 3000lbs capacity, suit for standard 5200lbs-6000lbs trailer axle. Eye to Eye length: 25-1/4", Free open: 3", width of leaf: 1-3/4", 5 leaves, 9/16" bushing dia. NOTE: The nut should be tightened horizontally. Failure to do so will affect the final user experience.
About The Replacement and Material: It will replace for SW5. The Leaf Springs Made of Heavy Duty Carbon Steel for transmission stability and friction damping; Extra added anti-rust coating for corrosion resistance and long-lasting performance.
Top 15
Best Trailer Hardware
SEHNSUCHT Trailer Leaf Spring, 4 Leaf 1750lb Capacity Double Eye Leaf Springs for 3500lb Trailer Axle, 25-1/4"L, 1.75" Width, 3” Free Open of Leaf Spring, Replace for SW4B, 2 Pieces
SEHNSUCHT
Ratings for SEHNSUCHT (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon Resale | - | ❌ | ❌ | ❌ |
| Sehnsucht direct | - | ❌ | ❌ | ❌ |
Features
About The Springs: Each spring offer 1750lbs capacity, suit for standard 3500lbs trailer axle. Eye to Eye length: 25-1/4 inch, Free open: 3 inch, width of leaf: 1-3/4 inch, 4 leaves, 9/16 inch bushing dia, 2 Bushings Installed for Each Spring,Leaf Thickness 5/16 inch.
About The Replacement: It will replace for SW4B. These leaf springs are designed to match the original leaf springs on specific vehicles or trailers.
Top 16
Heavy-Duty Trailer Ramp Spring,Trailer Coil Springs Left & Right Side RS16933LH RS16933RH
AIB2C
Ratings for AIB2C (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Small Fish | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
Heavy duty trailer coil springs,contains 1 x left side & 1 x right side
Designed to help to Lift Heavy Trailer Ramps
Top 17
Magorfas Single Trailer Leaf Spring 5 Leaf Double Eye 3000 lbs Cap for 6000 lbs Axle Suspension & U-Bolt kit 25-1/4" Length fits for SW5 - Set 2
Magorfas
MFLS0013Q2
Ratings for Magorfas (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Frombet | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
Specifications: 5 leaves; Eye to eye length: 25-1/4" ; Free open: 3" ; Width of leaf: 1-3/4" ; Bushing dia: 9/16" ; Leaf thickness: 5/16"
Fitment Fits for: SW5; 3000 lb capacity per spring for 6000 lbs trailers. U-bolt kit for 3" dia round trailer axle, Kit include: 4 x 7" long U bolts, U bolts dia. 1/2"; 2 x tie plates for 1-3/4" or 2" leaf springs; 8 x 1/2"-20 hex nuts
Top 18
Youxmoto Trailer Leaf Springs 3500lbs for 7000lbs Axle- 6 Leaves Double Eye, 25-1/4" L, 1-3/4" Width, Fits SW6; Heavy Duty Steel Plate Springs, 2pcs
Youxmoto
LFLS0015-LYF
12.2 x 3.93 x 28.34 inches
Ratings for Youxmoto (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Lifahefi direct | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
【PRECISION DESIGN, DIRECT FIT】: Eye to Eye length: 25-1/4 inch; Free open: 3 inch; Width of leaf: 1-3/4 inch; 6 leaves; 9/16 inch bushing dia. 3500 lb Capacity Per Spring; For 7000 lbs Trailers.
【DIRECT REPLACEMENT】: Fits: SW6. These leaf springs are designed to match the original leaf springs on specific vehicles or trailers.
Top 19
AEagle 4 Leaf 1750lb Capacity Double Eye Spring for 3500lb Trailer Axle, 25-1/4" Length, 1.75" Width, 3" Free Open & U-Bolt & Hanger Kit, Suspension Kit Replaces SW4B, 2PCS
Aeagle
Ratings for Aeagle (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| AEagle Parts | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
Replaces for Part Number: SW4B,not fit square axle,Only fit round axle.
Includes: 2 x 4-Leaves Double Eyes Springs; 3,500lbs axle U-bolt kit for 2-3/8" dia round trailer axles. Kit includes: 4 x 5-1/2" long U bolts, U bolts dia. 1/2", 2 x tie plates for 1-3/4" leaf springs; 8 x 1/2"-20 hex nuts. Complete single trailer axle hanger kit for 1-3/4" leaf springs, Kit includes: 2 x 3" tall hangers, 2 x 2.1" tall hangers, 4 x shackle straps (eye to eye 3.09"), 6 x 9/16"-18 x 3" long shackle bolts and locknuts
Top 20
Trailer Supplies Pair of 24.25" 3-Leaf Radius End Trailer Spring 1-3/4" Wide for 1,500 Capacity Rated Trailer Axles (Single Axle - 750 per Spring) WIE-3 (2 springs)
TRAILER SUPPLIES
750Ibx2 Slipper
24.62 x 1.75 x 1.75 inches
Ratings for TRAILER SUPPLIES (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Trailer Supplies | - | ❌ | ❌ | ❌ |
Features
Heavy-Duty Load Capacity – Each 3-leaf spring supports up to 750 lbs; combined 1,500 lbs capacity for a single axle trailer.
Standard Size Fit – Measures 24-1/4" from eye center to hook end, with 1-3/4" wide spring profile to fit most 1.5K trailer axles.
Top 21
2 Pieces of Replacement for SW4B 4 Leaf Trailer Leaf Spring, 3500lb Single Trailer Axle Suspension Kit, 25-1/4" Length with 1750lb Capacity Double Eyes Leaf Springs and U-Bolt
SEHNSUCHT
Ratings for SEHNSUCHT (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon Resale | - | ❌ | ❌ | ❌ |
| Sehnsucht direct | - | ❌ | ❌ | ❌ |
Features
【SPECS & CAPACITY】 – Each 4-leaf trailer spring offers 1,750 lbs capacity, supporting up to 3,500 lbs per axle. Dimensions: 25-1/4" eye-to-eye length, 3" free arch, 1-3/4" leaf width, 9/16" bushing ID (2 bushings pre-installed per spring), and 5/16" leaf thickness. Ideal for standard 3,500 lb trailer axles.
【DIRECT REPLACEMENT FOR SW4B】 – Designed as a direct replacement for SW4B leaf spring systems. Note: Tighten nuts horizontally during installation — improper tightening will affect performance and ride quality. Ensure proper torque for safe towing.
Top 22
TRUCFUSION Trailer Ramp Spring 1 Pair Heavy-Duty Trailer Coil Springs for 1-1/2" Shaft Trucks Trailer Gates Replaces RS16933LH RS16933RH 2000lb 90° Deflection
TRUCFUSION
11033123
Ratings for TRUCFUSION (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| trucfusion | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
REPLACEMENT PART NUMBER: RS16933LH RS16933RH Trailer ramp springs fit shaft 1.5" in diameter.
SPRING SIZE: 4" long ears, 1/2" steel round bar, 1-5/8"+/- inner diameter. 1 x Left Trailer Coil Spring + 1 x Right Trailer Coil Spring.
Top 23
SEHNSUCHT Trailer Leaf Spring, 6 Leaf Double Eye 3500lb Leaf Springs for 7000lb Trailer Axle, 25-1/4"L, 1.75" Width, 3” Free Open of Leaf Spring, Replace for SW6, 2-Pieces
SEHNSUCHT
Ratings for SEHNSUCHT (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Sehnsucht direct | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
About The Springs: Each spring offer 3500lbs capacity, suit for standard 7000lbs trailer axle.Eye to Eye length: 25-1/4 inch , Free open: 3 inch , width of leaf: 1-3/4 inch , 6 leaves, 9/16 inch bushing dia.
About The Replacement: It will replace for SW6. These leaf springs are designed to match the original leaf springs on specific vehicles or trailers.
Top 24
dreamdragon Pair of 24.62" 3-Leaf Trailer Spring 1500LBS Axle Capacity, 1-3/4" Wide (Single Axle - 750 per Spring) Fit for Utility/Boat/Cargo Trailers
dreamdragon
4331-07B, UNA-178, UNA-203
Ratings for dreamdragon (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Racing Auto Parts | - | ❌ | ❌ | ❌ |
Features
Heavy-Duty Load Capacity for Single Axle Trailers - Each 3-leaf trailer spring supports up to 750 lbs, with a combined 1500 lbs capacity (perfect for 1500LBS rated axles). Designed to reliably bear the load of your utility, boat, or cargo trailer during transport
Standard Size for Universal Fit - Measures 24.25" from eye center to hook end, 1-3/4" wide, 3/8" leaf thickness. 9/16" inner diameter bushings (11/16" eye diameter without bushing) ensure a snug fit for most 1.5K trailer axles
Top 25
Aeagle 5 Leaf 3000lb Capacity Double Eye Spring for 5200lb-6000lb Trailer Axle & U-Bolt Kit, 25-1/4" Length, 1.75" Width, 3" Free Open Replaces for SW5, 2 PCS
Aeagle
AELS0013Q2
Ratings for Aeagle (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| AEagle Parts | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
Replaces for Part Number: SW5,not fit square axle,Only fit round axle.
Includes: 2 x 5-Leaves Double Eyes Springs; U-bolt kit for 3" dia round trailer axle. U-bolt Kit includes: 4 x 7" long U bolts, U bolts dia. 1/2";the thread length of the U-bolt bolt is 2 inches, 2 x tie plates for 1-3/4" or 2" leaf springs; 8 x 1/2"-20 hex nuts
Top 26
4 Leaf of Replacement for SW4B Trailer Leaf Spring, 3500lb Tandem Trailer Axle Suspension Kit with 1750lb Capacity Double Eyes Leaf Springs, 2*U-Bolt and Hanger Kit
SEHNSUCHT
Ratings for SEHNSUCHT (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Sehnsucht direct | - | ❌ | ❌ | ❌ |
Features
About The Springs: Each spring offer 1,750lbs capacity, suit for standard 3,500lbs trailer axle. Eye to Eye length: 25-1/4 inch, Free open: 3 inch, width of leaf: 1-3/4 inch, 4 leaves, 9/16 inch bushing dia, 2 Bushings Installed for Each Spring, Leaf Thickness 5/16 inch. NOTE: The nut should be tightened horizontally. Failure to do so will affect the final user experience.
About The Replacement: It will replace for SW4B. The Leaf Springs Made of Heavy Duty Carbon Steel for transmission stability and friction damping, Extra added anti-rust coating for corrosion resistance and long-lasting performance.
Top 27
Youxmoto Single Trailer Leaf Spring 4 Leaf 1750 lbs, for 3500lb Single Trailer Axle Suspension Kit, with U-Bolt & Hanger Kit; Double Eyes 25-1/4" L, 1-3/4" Width, 9/16 Eye I.D
Youxmoto
LFLS0004-LYF
5.0 x 5.0 x 19.0 inches
Ratings for Youxmoto (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon Resale | - | ❌ | ❌ | ❌ |
| Lifahefi direct | - | ❌ | ❌ | ❌ |
Features
【PRECISION DESIGN, DIRECT FIT】: Eye to Eye length: 25-1/4 inch; Free open: 3 inch; Width of leaf: 1-3/4 inch, Leaf Thickness 5/16; Bushing dia- 9/16 inch.
【DIRECT REPLACEMENT】: Fits FOR SW4B. 1750 lb Capacity Per Spring; For 3,500 lbs Trailers
Top 28
EMIHO Trailer Ramp Torsion Spring Set Left and Right Fit for Trailer with 1" Rod/Shaft, Trailer Coil Springs Replace 3034278 ST9437L 3034279 ST9437R
EMIHO
Spring
Ratings for EMIHO (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| EMIHOus | - | ❌ | ❌ | ❌ |
Features
Compatible Models: Trailer ramp torsion spring set fit for trailer with 1" rod/shaft, contains 1 x left side and 1 x right side
Replacement Part Number: Replace 3034278 ST9437L 3034279 ST9437R
Top 29
dreamdragon 6K Single Trailer Axle Suspension Kit with 5 Leaf Springs, U-Bolts & Hangers - 6,000lbs Capacity
dreamdragon
UNA111*2
Ratings for dreamdragon (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Racing Auto Parts | - | ❌ | ❌ | ❌ |
Features
Each leaf spring has a 3,000lbs capacity, designed for use with standard 5,200-6,000lbs trailer axles, offering reliable suspension for your trailer
The spring measures 25-1/4" eye-to-eye, with a 3" free open length and a 1-3/4" width, featuring 5 leaves and a 9/16" bushing diameter, ensuring a perfect fit for your setup
Top 30
Aeagle 6 Leaf 3500lb Capacity Double Eye Spring for 7000lb Trailer Axle, 25-1/4" Length, 1.75" Width, 3" Free Open Replaces for SW6, 1 PCS
Aeagle
Ratings for Aeagle (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| AEagle Parts | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
Replaces for Part Number: Replaces SW6,not fit square axle,Only fit round axle.
Includes: 1 x 6-Leaves Double Eyes Springs
Top 10 Trailer Springs - Verified to Buy (October 2026)
- 1. Magorfas Trailer Leaf Spring 4 Leaf Double Eye 1750 lbs...
- 2. dreamdragon 7,000 lbs Tandem Trailer Suspension Kit – Includes 6...
- 3. Getanye 4Pack Suspension Helper Spring TSS-107-40, Left/Right Trailer Auxiliary Spring...
- 4. TRAILER SUPPLIES 24.25" 3-Leaf Slipper Trailer Leaf Springs (Pair) with...
- 5. Magorfas Single Trailer Leaf Spring 4 Leaf Double Eye 1750...
- 6. Trailer Leaf Spring, 4 Leaf 2500lb Double Eye Leaf Springs...
- 7. Aeagle 4 Leaf 1750lb Capacity Double Eye Spring for 3500lb...
- 8. Aeagle 25-1/4" 4-Leaf 1750lb Capacity Double Eye Spring for 3500lb...
- 9. Youxmoto 4pcs 5 Leaf Springs 3000lb, for 5200lb-6000lb Tandem Trailer...
- 10. AEagle 25-1/4" 4-Leaf 1750lb Capacity Double Eye Spring for 3500lb...
Top 10 Trailer Springs Brands on Amazon
Here is the list of top-rated brands that were evaluated by CherryPicks.
- Magorfas
- dreamdragon
- Getanye
- TRAILER SUPPLIES
- SEHNSUCHT
- Aeagle
- Youxmoto
- AIB2C
- TRUCFUSION
- EMIHO
Top 3 Trailer Springs Sellers: CPR Seller Rank List
CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.
- 1. Small Fish : 2,649 Yearly Feedback , Avg. Ratings 4.9
- 2. Frombet : 999 Yearly Feedback , Avg. Ratings 4.9
- 3. MSC-CD : 203 Yearly Feedback , Avg. Ratings 4.7
| Rank | Name | Yearly Feedbacks | Avg. Ratings |
|---|---|---|---|
| 🥇 | Small Fish | 2,649 | 4.9 |
| 🥈 | Frombet | 999 | 4.9 |
| 🥉 | MSC-CD | 203 | 4.7 |
[Get] Trailer Springs Deals (✅Exclusively for Prime)
What does "Amazon Fulfilled" Mean?
Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.
When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.
What does "Prime" Mean?
"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.
Prime members also have access to other benefits, including 2-Day Shipping, Exclusive Member Deals, Prime Video, Buy With Prime, Amazon Music, Prime Gaming, and more.
Shop Prime Trailer Springs Deals
What does "Free Shipping" Mean?
"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.
Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.
Why Should You Trust Us?
Now hundreds and thousands of Exterior Accessories supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Trailer Springs to buy for new October 2026?
CherryPicks’s Methodology for Evaluating Trailer Springs
We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Exterior Accessories items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.
We collected and analyzed 306 of Trailer Springs reviews based on our selection criteria. It helped us shortlist the top qualified and rated Trailer Springs for Exterior Accessories, We found that most customers choose Trailer Springs with an average price of $90.36, and the top brands are Youxmoto And AIB2C.
Then our expert-level editors reviewed all those quality items and selected the top 30 Trailer Springs for you, We have researched hundreds of sellers and picked the top sellers for Exterior Accessories, including Amazon Resale, Small Fish, Frombet And MSC-CD. The Magorfas Trailer Leaf Spring 4 Leaf Double Eye ... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 57 consumers with an average rating of 4.6.
We've helped a lot of satisfied users get the right Automotive product based on their needs, and save lots of time for them to pick Trailer Springs to buy.
Paulo S. Goncalves is a student of mechanical engineering with hands-on experience in automotive repair — a skill he picked up in his early days. He would be helping you make the best choice regarding automative parts and products here on this site.