Radiator Specialty Buying Guide & Brand Review (Oct. 2026 Updated)

At a Glance: Top Radiator Specialty Picks

Top 1

Gunk Lead Substitute 12 Oz. For Use With Lead Or Unleaded Gasoline

Top 2

Gunk Engine Brite No Scent Engine Degreaser 15 oz. Gel

Top 3

Radiator Specialty 12OZ Hydra Jack Fluid

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Market Overview
Radiator Specialty Reviewed
  • Reviews Analyzed: 82 Items
  • CPR Avg. Rating: 6.4 / 10
9 Products Evaluated
  • Highest Price: $61.03
  • Lowest Price: $4.99
  • Avg. Price: $18.84
Price Disclaimer

Top 9 Radiator Specialty Products On Amazon (Verified to buy)

Top 1

Gunk Lead Substitute 12 Oz. For Use With Lead Or Unleaded Gasoline

Radiator Specialty
39.6 x 1.5 x 8.3 Inches
8.4 Pounds
Seller CPR Rank Amazon Fulfilled Prime Free Shipping
MaxWarehouse 248 ✅ ✅ ✅
Lucky-Ss - ✅ ✅ ✅
Top 2

Gunk Engine Brite No Scent Engine Degreaser 15 oz. Gel

Radiator Specialty
11.0 x 8.3 x 10.0 inches
14.4 Pounds
Seller CPR Rank Amazon Fulfilled Prime Free Shipping
MaxWarehouse 248 ❌ ❌ ❌

Features

POWERFUL FOAMING ACTION: Advanced foaming engine degreaser gel clings to metal surfaces for deep cleaning. Easily removes tough grease and grime from engine bays and automotive parts.
EASY TO USE SPRAY: Convenient engine degreaser spray application covers hard-to-reach areas. Simply spray, let the foam work, and rinse for a super clean engine bay every time.
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Top 3

Radiator Specialty 12OZ Hydra Jack Fluid

Radiator Specialty
M3312
3.1 x 1.5 x 9.3 Inches
5.0 Pounds
Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Gatzies 118 ✅ ✅ ✅

Features

12 Oz.
Flows Freely In All Temperatures.
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SEPTLS615M3815 - Radiator Specialty Motor Medic Starting Fluids - M38-15

Radiator Specialty
M3815
2.6 x 2.6 x 8.0 Inches
0.9 pounds
Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ALKAN DISCOUNTERS - ✅ ✅ ✅
Soka Distributors - ✅ ✅ ✅
Soldier Shipments - ✅ ✅ ✅
Direct Discountz - ✅ ✅ ✅
Woolfman's Warehouse - ✅ ✅ ✅
MaxWarehouse 248 ❌ ❌ ❌

Features

Applications - Engine
Capacity Vol. - 11 oz
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Top 5

Gunk C1012 11 Oz Anti-Rust & Water Pump Lube

Radiator Specialty
2.72 x 2.72 x 5.69 Inches
9.24 Pounds
Seller CPR Rank Amazon Fulfilled Prime Free Shipping
MaxWarehouse 248 ✅ ✅ ✅
Gatzies 118 ✅ ✅ ✅
Top 6

Gunk R731b Hold-Zit Rubber Strap 31In Long

Radiator Specialty
GNKR731B
31.0 x 0.0 x 0.0 Inches
0.4 Pounds
Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Hugo's Online 1,311 ✅ ✅ ✅
ShipIQ ✅ 1,064 ✅ ✅ ✅
JBTools 308 ✅ ✅ ✅
MaxWarehouse 248 ✅ ✅ ✅

Features

Sold as 1 Each.
Standard equipment on many trucks and trailers, they hold down tarps and other equipment.
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Top 7

Radiator Specialty Hold-Zit Strap Bulk 41 in

Radiator Specialty
R741B
1.0 x 1.0 x 1.0 Inches
0.48 Pounds
Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Big Boys Wholesale LLC - ✅ ✅ ✅
ShipIQ ✅ 1,064 ✅ ✅ ✅
Amazon.com - ✅ ✅ ✅

Features

HOLD-ZIT STRAP BULK 41 IN
Top 8

Gunk M4814 12 1/2 Oz Carb-Medic� Lubricant Choke & Valve Cleaner Spray

Radiator Specialty
M4814
5.0 x 4.0 x 4.0 Inches
1.08 Pounds
Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Gatzies 118 ✅ ✅ ✅
MaxWarehouse 248 ✅ ✅ ✅

Features

Carburetor parts cleaner - chhlorinated
Top 9

Gunk M1128/6 24.5 Oz Non-Flammable Big Puncture Seal Instant Tire Repair

Radiator Specialty
2.75 x 2.75 x 10.0 inches
2.0 pounds
Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Gatzies 118 ✅ ✅ ✅
ICE AUTO PARTS - ✅ ✅ ✅

Features

Contains no hydrocarbon gas
Formulated for the larger size tires
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Our Radiator Specialty Review

Radiator Specialty products on Amazon (Oct. 2026)

What to buy from Radiator Specialty?

Radiator Specialty sell products mainly in the Automotive category.

Its popular products on Amazon include Starting Fluids. 

If you intend to buy any of these products, then you can find them easily on Amazon. 

Featured Reviews Related to Radiator Specialty

18,956 Reviews Analyzed

Radiator Specialty Pricing

The brand has over 67 products listed on Amazon with a price range of $4.99 to $61.03 form our picks.

Currently, the average price of their product is $18.84 which is considered affordable. You can make your choice from the list of products offered by the Radiator Specialty.

Is Radiator Specialty a good brand? 

A brand is an essential factor when making a purchase. What do we think about the Radiator Specialty? Well, according to the information available on Amazon, Radiator Specialty products are sold by Gatzies.

The seller has received about 260,443 feedbacks from buyers with an average start rating of 4.6. With a rating as this from the number of feedbacks, we can conclude that Radiator Specialty is Liquid error: comparison of String with 4.8 failed

Can I know who the owner of Radiator Specialty is?

Radiator Specialty is selling on Amazon's North America Marketplaces. You can find out the actual owner of the brand at https://www.uspto.gov/trademarks/search. 

From there, you can tell whether Amazon owns the brand or not. If you want to buy Amazon branded products, you can go here, and list some of their top brands. Amazon owns 100 private-label brands that operate in different markets.

Related Amazon Store for Radiator Specialty

Similar Competitors Brands like Radiator Specialty on Amazon


Methodology

How We Evaluated Radiator Specialty Products

We are crawling & scraping a large amount of data from 67 Radiator Specialty products and a countless number of reviews, you can gain valuable insights to enhance your understanding of various aspects related to Radiator Specialty, and you can use those data to help you make informed buying Starting Fluids decisions. Those recommend the 9 best products from Radiator Specialty based on thorough analysis and research by our CherryPicks-AI ranking system.

Why create this buying guide?

Our brand guide is designed to provide up-to-date & unbiased information about Radiator Specialty products. Our goal is to empower you with data-driven insights, enabling you to make better shopping decisions efficiently to save time. We prioritize earning your trust by providing reliable information and guidance.


Top 10 Radiator Specialty 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
🥇 Gatzies 260,443 4.6
🥈 MaxWarehouse 147,519 4.7
🥉 JBTools 125,991 4.8
4 ShipIQ ✅ 47,594 4.7
5 Hugo's Online 40,399 4.5
6 ICE AUTO PARTS 3,050 4.2
7 Soldier Shipments 1,743 4.2
8 Soka Distributors 537 4.3
9 Amazon.com 386 4.7
10 Lucky-Ss 302 4.2
Gatzies [260443] MaxWarehouse [147519] JBTools [125991] ShipIQ ✅ [47594] Hugo's Online [40399] ICE AUTO PARTS [3050] Soldier Shipments [1743] Soka Distributors [537] Amazon.com [386] Lucky-Ss [302] Gatzies 41% MaxWarehouse 23% JBTools 20% ShipIQ ✅ 8% Hugo's Online 6% ICE AUTO PARTS 0% Soldier Shipments 0% Soka Distributors 0% Amazon.com 0% Lucky-Ss 0%