Best Automotive Replacement Main Seals (April 2024) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Dorman 635-518 Engine Rear Main Seal Cover Compatible with Select Models

9.8
CPR Score
Top 2

FEL-PRO BS 40725 Rear Main Seal Set

9.7
CPR Score
Top 3

FEL-PRO BS 40737 Rear Main Seal Set

9.7
CPR Score
Tips


Below is a list of the top 30 best Automotive Replacement Main Seals. Our team has selected the top products by analyzing and evaluating 1,170 products of different Replacement Parts brands, including Dorman, Ford, Fel-Pro, TIMKEN, E-cowlboy, labwork, Bonbo, Mazda, LABLT, munirater, Evergreen Parts And Components, LOSTAR, DNJ, Mizumo Auto, THO And Cummins. Hope this listing can make your shopping choice much easier.

* Cherrypicksreviews.com is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Automotive Replacement Main Seals Rated by CherryPicks

Market Overview
Automotive Replacement Main Seals Reviewed
  • Reviews Analyzed: 1,407 Items
  • CPR Avg. Rating: 8.5 / 10
30 Products Evaluated
  • Highest Price: $149.99
  • Lowest Price: $6.99
  • Avg. Price: $30.82
Price Disclaimer

Top 30 Automotive Replacement Main Seals on Amazon (Verified You can Buy)

Top 1

Dorman 635-518 Engine Rear Main Seal Cover Compatible with Select Models

Dorman
635-518
11.4 x 11.1 x 1.5 Inches
2.5 Pounds

Ratings for Dorman (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Direct replacement - this rear main seal cover kit matches the factory design, and includes a new gasket, installation hardware, and an updated seal design for superior leak prevention
Durable construction - the timing cover in this kit is made of die-cast aluminum for a leak-free fit and durability
Show More
Top 2

FEL-PRO BS 40725 Rear Main Seal Set

Fel-Pro
BS 40725
12.0 x 6.0 x 0.44 Inches
0.2 Pounds

Ratings for Fel-Pro (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Rear main bearing oil seal installation set
Application specific design to ensure a perfect fit
Show More
Top 3

FEL-PRO BS 40737 Rear Main Seal Set

Fel-Pro
BS 40737
15.2 x 11.0 x 1.3 Inches
1.2103 Pounds

Ratings for Fel-Pro (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Application specific design to ensure a perfect fit
Meets or exceeds all original equipment specifications
Show More
Top 4

DNJ RM1120 Rear Main Seal for 1987-2000 / Jeep/Cherokee, Comanche, Grand Cherokee, Wagoneer, Wrangler / 4.0L / OHV / L6 / 12V / 242cid

DNJ
RM1120
9.0 x 7.0 x 1.0 Inches
0.13 Pounds

Ratings for DNJ (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Partsology 7,093

Features

THIS IS BRAND NEW: DNJ® Rear Main Seal
FITS: 81-00 Jeep / Cherokee, Grand Cherokee, Wrangler, Comanche, Wagoneer, J10, CJ7, Grand Wagoneer 4.0L-4.2L L6 OHV Naturally Aspirated
Show More
Top 5

Genuine Mazda 1668-10-556A Main Oil Seal, Rear

Mazda
1668-10-556A

Ratings for Mazda (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Dealer Sales Solutions LLC. 7,159
Quirkparts -
Horne Mazda Avondale -

Features

Package Weight: 0.15 pounds
Made in China
Show More
Top 6

FEL-PRO BS 40752 Rear Main Seal Set

Fel-Pro
BS 40752
11.0 x 0.75 x 11.0 Inches

Ratings for Fel-Pro (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Newparts 726

Features

Application specific design to ensure a perfect fit
Meets or exceeds all original equipment specifications
Show More
Top 7

Evergreeen RMS30157 Rear Main Seal Fit 03-15 Chrysler Dodge Durango Jeep Commander 2.4L 5.7L 6.1L

Evergreen Parts And Components
12.0 x 1.0 x 10.0 Inches
2.0 Pounds

Ratings for Evergreen Parts And Components (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Evergreen Auto Parts And Components Inc -

Features

Fits: 03-15 Chrysler Dodge Durango Jeep Commander 2.4L 5.7L 6.1L
Guaranteed to fit and meet the specifications of the OE parts being replaced
Show More
Top 8

DNJ RM706 Rear Main Seal For 90-15 Subaru, Saab 1.8L-3.6L H6, H4 DOHC, SOHC Naturally Aspirated, Turbocharged designation EZ36D,EJ257,EJ255,EJ253,EZ30D,EJ205,EJ251,EJ222,EJ25D,-,EJ22EZ

DNJ
8.0 x 5.0 x 0.5 Inches
1.0 Pounds

Ratings for DNJ (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Partsology 7,093

Features

THIS IS BRAND NEW: DNJ® Rear Main Seal
FITS: 90-15 Subaru, Saab 1.8L-3.6L H6, H4 DOHC, SOHC Naturally Aspirated, Turbocharged EZ36D,EJ257,EJ255,EJ253,EZ30D,EJ205,EJ251,EJ222,EJ25D,-,EJ22EZ
Show More
Top 9

THO REAR MAIN SEAL REPLACEMENT PART 90311-90006/9031190006 (Made in Japan)

THO

Ratings for THO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
US AUTO PARTS EXPERTS LLC -

Features

90311-90006
Brand: THO
Show More
Top 10

303-770 Crankshaft Rear Main Seal Installer Tool for Ford 4.5L, 6.0L & 6.4L Powerstroke, Rear Seal & Wear Ring Installer

E-cowlboy
303-770

Ratings for E-cowlboy (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Bird's wings -

Features

APPLICATION – Fit for Ford 4.5L, 6.0L & 6.4L Powerstroke Diesel Engine, Low Cab Forward, F-Super Duty 250-550, E-Series.(Specific application reference as following).
FUNCTION -- Use for installation & removal of crankshaft rear seal wear ring for your Ford. Preventing your seal from leaking.
Show More
Top 11

LABLT 635-518 Rear Main Seal Kit 4.8 5.3 6.0 6.2 Replacement for Chevy GMC 12633579 12639250

LABLT
Does not apply
11.0236 x 11.0236 x 1.9685 Inches
2.7558 Pounds

Ratings for LABLT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
LABLT -

Features

Manufacturer part number: 635-518
Made of die-cast aluminum for a leak-free fit and durability
Show More
Top 12

munirater Rear Main Seal Cover Kit Replacement for Chevy Camaro Silverado GMC Savana Sierra Pontiac Firebird 4.8L 5.3L 6.0L 6.2L 12633579 12639250 635-518

munirater
12633579
11.0236 x 11.0236 x 1.9685 Inches
2.7558 Pounds

Ratings for munirater (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
munirater 9,724

Features

Made by high quality material, with long service life
Easy installation, stable characteristics, high reliability
Show More
Top 13

635-518 Rear Main Seal Kit 4.8 5.3 6.0 6.2 Replacement for Chevy GMC 12633579 12639250

labwork

Ratings for labwork (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
labwork-parts 2,777

Features

Part number: 635-518, 126335791, 2639250
Replacement for 2012-2013 Chevy Tahoe and Chevy Suburban 1500, 2013 Chevy Silverado 1500, 2012 Chevy Express 1500, 2014 Chevy Silverado 2500 HD and Chevy Express 2500, 2012 2013 2014 2018 Chevy Express 3500, 2012 2013 2014 2018 Chevy Express 3500, 2012 Chevy Avalanche and Cadillac Escalade ESV
Show More
Top 14

FEL-PRO BS 40750 Rear Main Seal Set

Fel-Pro
BS 40750
12.0 x 6.0 x 0.44 Inches
0.176 Pounds

Ratings for Fel-Pro (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Gasket Deals -

Features

Application specific design to ensure a perfect fit
Meets or exceeds all original equipment specifications
Show More
Top 15

Ford Racing M-6701-B302 Rear Main Seal for 5.0L Engine

Ford
M-6701-B302
0.0 x 0.0 x 0.0 Inches
0.1 Pounds

Ratings for Ford (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Crazy4Performance -

Features

Ford Racing a trusted industry leader
Backed by manufacturer's Warranty
Show More
Top 16

FEL-PRO BS 6141-3 Rear Main Seal Set

Fel-Pro
BS 6141-3
9.5 x 6.5 x 4.13 Inches
0.0006 Pounds

Ratings for Fel-Pro (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Rear main bearing oil seal installation set
Application specific design to ensure a perfect fit
Show More
Top 17

FEL-PRO BS 6300 Rear Main Seal Set

Fel-Pro
BS 6300
0.0 x 0.0 x 0.0 Inches
0.2 Pounds

Ratings for Fel-Pro (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Rear main bearing oil seal installation set
Application specific design to ensure a perfect fit
Show More
Top 18

LOSTAR Rear Main Seal Cover Kit For 1998 - 2017 BUICK RAINIER CADILLAC ESCALADE CHEVROLET AVALANCHE EXPRESS GMC PONTIAC 4.8 5.3 6.0 6.2L 635-518, 12633579, 12639250

LOSTAR

Ratings for LOSTAR (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lone Star Auto Parts -
Top 19

FEL-PRO BS 40726 Rear Main Seal Set

Fel-Pro
BS 40726
12.0 x 6.0 x 0.75 Inches
0.2 Pounds

Ratings for Fel-Pro (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Rear main bearing oil seal installation set
Application specific design to ensure a perfect fit
Show More
Top 20

DNJ RM413 Rear Main Seal For 85-09 Saab, Ford, Mazda, Mercury 1.9L-3.0L L4, V6 DOHC, OHV, SOHC Turbocharged, Naturally Aspirated designation B235R,B235E,B205L,B204L,B234I,B212I,B202L,B202I

DNJ
RM413
9.0 x 7.0 x 1.0 Inches

Ratings for DNJ (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Partsology 7,093

Features

THIS IS BRAND NEW: DNJ® Rear Main Seal
FITS: 85-09 Saab, Ford, Mazda, Mercury 1.9L-3.0L L4, V6 DOHC, OHV, SOHC Turbocharged, Naturally Aspirated B235R,B235E,B205L,B204L,B234I,B212I,B202L,B202I
Show More
Top 21

FEL-PRO BS 11762-3 Rear Main Seal Set

Fel-Pro
BS 11762-3
0.0 x 0.0 x 0.0 Inches
0.0006 Pounds

Ratings for Fel-Pro (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Rear main bearing oil seal installation set
Application specific design to ensure a perfect fit
Show More
Top 22

Rear Main Seal Installer Tool JDG476 JDG477 JDG478 Fits for J D 404 466 6076 7.6L 8.1L Engines, Rear Crankshaft Seal and Wear Sleeve Installer Tool

Bonbo

Ratings for Bonbo (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Truck Repair US -

Features

【Material】For John Deere Servicegard Rear Main Seal Installer is crafted from quality carbon steel, high strength, anti-wear, rust resistance, anti-oxidation, sturdy and durable.
【Function】This rear oil seal installer tool is used to simultaneously install the Teflon unitized seal and wear sleeve on the engine rear crankshaft flange.
Show More
Top 23

FEL-PRO BS 40721 Rear Main Seal Set

Fel-Pro
BS 40721
12.0 x 6.0 x 0.44 Inches
0.1 Pounds

Ratings for Fel-Pro (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Rear main bearing oil seal installation set
Application specific design to ensure a perfect fit
Show More
Top 24

FEL-PRO BS 40729 Rear Main Seal Set

Fel-Pro
BS 40729
12.1 x 6.0 x 0.7 Inches

Ratings for Fel-Pro (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Rear main bearing oil seal installation set
Application specific design to ensure a perfect fit
Show More
Top 25

Timken 229005 Seal

TIMKEN
229005
4.9 x 4.9 x 0.8 Inches
0.19 Pounds

Ratings for TIMKEN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Prevents seal leakage
Excellent sealing ability
Show More
Top 26

DNJ RM319 Rear Main Seal For 87-17 Chevrolet, GMC, Suzuki, Isuzu 2.0L-3.2L L4, V6 DOHC, SOHC Naturally Aspirated, Turbocharged, Supercharged LCV,LEA,LUK,LHU,LTG,LKW,LAF,B207R,A20NFT,B207L,B308E,B308I

DNJ
RM319
4.46 x 2.66 x 2.61 Inches
1.0 Pounds

Ratings for DNJ (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Partsology 7,093

Features

THIS IS BRAND NEW: DNJ® Rear Main Seal
FITS: 87-17 Chevrolet, GMC, Suzuki, Isuzu 2.0L-3.2L L4, V6 DOHC, SOHC Naturally Aspirated, Turbocharged, Supercharged LCV,LEA,LUK,LHU,LTG,LKW,LAF,B207R,A20NFT,B207L,B308E,B308I
Show More
Top 27

Mizumo Auto MA-4216892682 Rear Main Seal Compatible With/Replacement For Ford 4.6L 5.4L 6.8L E150 E250 E350 F150 F250 Lincoln Mercury

Mizumo Auto
12.0 x 1.0 x 10.0 Inches
2.0 Pounds

Ratings for Mizumo Auto (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Mizumo Auto -

Features

Guaranteed to fit and meet the specifications of the OE parts being replaced
Utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience
Show More
Top 28

Cummins Rear Main Seal 3970548

Cummins

Ratings for Cummins (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
DB AUTOMOTIVE -
Top 29

303-770 Crankshaft Rear Main Seal & Wear Sleeve Ring Installer Tool Perfectly Fits for Ford 4.5L 6.0L 6.4L Powerstroke Diesel Engines

Bonbo
B-3-0-3-S-L-S

Ratings for Bonbo (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Truck Repair US -

Features

【Wide Application】Perfectly compatible with Ford 4.5L 6.0L 6.4L Powerstroke Diesel Engines. Fits for Super Duty F-250 F350 F-450 F-550 F-650 F-750; Fits for Low Cab Forward; Fits for E-Series; Fits for Excursion; Fits for VT 365-MaxxForce7 Navistar International.
【High Performance】Specially designed to help you easily and properly install and remove the rear crankshaft seal, wear ring & rear seal carrier for Ford 4.5L 6.0L 6.4L Powerstroke engines, effectively prevents the seal from leaking.
Show More
Top 30

Ford Racing M-6701-B351 Rear Main Seal

Ford
M-6701-B351
0.0 x 0.0 x 0.0 Inches
0.1 Pounds

Ratings for Ford (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Crazy4Performance -

Features

Ford Racing a trusted industry leader
Backed by manufacturer's Warranty
Show More

Top 10 Automotive Replacement Main Seals - Verified to Buy (Apr. 2024)

Top 10 Automotive Replacement Main Seals Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • Dorman
  • Fel-Pro
  • DNJ
  • Mazda
  • Evergreen Parts And Components
  • THO
  • E-cowlboy
  • LABLT
  • munirater
  • labwork

Top 10 Automotive Replacement Main Seals 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.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 Newparts 3,885 4.2
🥈 labwork-parts 1,605 4.7
🥉 Partsology 786 4.5
4 Dealer Sales Solutions LLC. 780 4.6
5 munirater 603 4.5
6 Lone Star Auto Parts 514 4.6
7 Amazon.com 385 4.7
8 Crazy4Performance 349 4.3
9 Bird's wings 342 4.9
10 Horne Mazda Avondale 278 4.6
View or download top Automotive Replacement Main Seals seller & rating report
Newparts [3885] labwork-parts [1605] Partsology [786] Dealer Sales Solutions LLC. [780] munirater [603] Lone Star Auto Parts [514] Amazon.com [385] Crazy4Performance [349] Bird's wings [342] Horne Mazda Avondale [278] Newparts 41% labwork-parts 17% Partsology 8% Dealer Sales Solutions LLC. 8% munirater 6% Lone Star Auto Parts 5% Amazon.com 4% Crazy4Performance 4% Bird's wings 4% Horne Mazda Avondale 3%

[Get] Automotive Replacement Main Seals 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 ShippingExclusive Member DealsPrime VideoBuy With PrimeAmazon MusicPrime Gaming, and more.

Shop Prime Automotive Replacement Main Seals 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 Replacement Parts 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 Automotive Replacement Main Seals to buy for new April 2024?

CherryPicks’s Methodology for Evaluating Automotive Replacement Main Seals

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 Replacement Parts 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 1,170 of Automotive Replacement Main Seals reviews based on our selection criteria. It helped us shortlist the top qualified and rated Automotive Replacement Main Seals for Replacement Parts, We found that most customers choose Automotive Replacement Main Seals with an average price of $30.82, and the top brands are Dorman, Ford, Fel-Pro, TIMKEN, E-cowlboy, labwork, Bonbo, Mazda, LABLT, munirater, Evergreen Parts And Components, LOSTAR, DNJ, Mizumo Auto, THO And Cummins. 

Then our expert-level editors reviewed all those quality items and selected the top 30 Automotive Replacement Main Seals for you, We have researched hundreds of sellers and picked the top sellers for Replacement Parts, including Newparts, labwork-parts, Partsology, Dealer Sales Solutions LLC., munirater, Lone Star Auto Parts, Amazon.com, Crazy4Performance, Bird's wings, Horne Mazda Avondale, Quirkparts And Truck Repair US. The Dorman 635-518 Engine Rear Main Seal Cover Comp... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 669 consumers with an average rating of 4.7.

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 Automotive Replacement Main Seals to buy.


Written By Paulo Santos Goncalves

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.