Best Car Main Seals in 2026
Daisy
Last Updated: Feb 6, 2026
Daisy
Last Updated: Feb 6, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Rear main bearing oil seal installation set
Application specific design to ensure a perfect fit
Meets or exceeds all original equipment specifications
Engineered and manufactured specifically for repair applications
Unsurpassed quality you can trust
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Sunluway Direct | 9.89 | ✅ | ✅ | ✅ |
FITMENT: Fit for Ford 2005-2019 F-250 F-350 4X4s having the vacuum-operated front axle. Similar to OTC 6697
HIGH QUALITY: Machined from heavy duty steel with excellent mechanical and physical properties, this seal installer is good in corrosion resistance and durability
APPLICATION: Installing the seal onto the axle shaft and into the wheel knuckle, this tool makes seal replacement much easier
A MUST-HAVE TOOL: Prevents front hub vacuum leaks that would cause the 4WD not engage
100% SATISFACTION: If you're not 100% satisfied with our Oil Seal Installer Tool, simply return it for a full refund in 30 days. Premium Support & 12-Month Warranty
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Rear main bearing oil seal installation set
Application specific design to ensure a perfect fit
Meets or exceeds all original equipment specifications
Engineered and manufactured specifically for repair applications
Unsurpassed quality you can trust
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Rear main bearing oil seal installation set
Application specific design to ensure a perfect fit
Meets or exceeds all original equipment specifications
Engineered and manufactured specifically for repair applications
Unsurpassed quality you can trust
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Design type: spring loaded; multi-lip
Temperature range: -20°F to 300°F / -29°C to 49°C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Truck Repair US | 9.90 | ✅ | ✅ | ✅ |
【High Quality Material】Made from quality carbon steel, is with great strength, corrosion resistance, anti-rust, impact resistance, wear resistance and durable.
【303-770 Crankshaft Rear Main Seal Installer】Used for installation of crankshaft rear seal wear ring for 4.5L,6.0L,6.4L power stroke.
【303-1259 Crankshaft Front Seal Installer】Used for installing crankshaft front seal/wear sleeve for Ford 6.4L power stroke engines F-series.
【Benefit】When you install crankshaft rear seal or crankshaft front seal, this combination set can help you install the seal properly and prevent your seal from leaking.
【Application】❶Crankshaft Front Seal Installer fits for Ford 6.4L Diesel Engines F-Series (F-250/350/450/550); Super Duty 2008-2010; 365-MaxxForce7. ❷Rear Main Seal Installer fits for Ford 2003-2010 F-250, F350, F-450, F-550, Excursion 2004-2007 F-650, F-750 2004-2010 E150, E-250, E-350, E-450, and Low Cab Forward 4.5L, 6.0L, 6.4L and VT365-MaxxForce7 Navistar International.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Application specific design to ensure a perfect fit
Meets or exceeds all original equipment specifications
Engineered and manufactured specifically for repair applications
Unsurpassed quality you can trust
Validated for fit, form, and function
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Truck Repair US | 9.90 | ✅ | ✅ | ✅ |
【Great Compatibility】Perfectly fits for Cummins ISX QSX ISX15 ISX12 diesel engines. Direct replacement for OEM Part Number 3164780 3162994 4965569, saving your time, money and energy.
【High Performance】Specifically designed to effortlessly remove and install the crankshaft rear seal and wear ring/sleeve on diesel engine properly.
【Powerful Features】This specialty tool 3164780 help reduce risk of crankshaft seal surface damage during removal. Also the rear seal and wear ring is automatically installed to the proper depth with this specialty tool 3164780, prevents damaging the rear seal and leakage.
【Superior Material】Made of high quality carbon steel for great strength, prevent corrosion and rust, impact resistance, sturdy and durable. High precision and hardness ensure reliable long-term service.
【100% Satisfaction Guarantee】If you're not satisfied with our 3164780 Crankshaft Rear Main Seal & Wear Sleeve Installer & Seal Remover Tool Set, simply return it for a full refund in 30 days. While you have any questions about our products, please feel free to contact us and we will provide the best service. Always buy confidently in Bonbo!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Sunluway Direct | 9.89 | ✅ | ✅ | ✅ |
Crankshaft Front Seal Installer: Fits for Ford 6.4L Diesel F-250/350/450/550, Super Duty 2008, 2009, 2010 and 365-MaxxForce7 (NOT fit for Ford 4.5L, 6.0L Powerstroke Diesel)
Rear Main Seal Installer: Fits for Ford 4.5L, 6.0L, 6.4L Powerstroke, F-250, F350, F-450, F-550, F-650, F-750, Low Cab Forward, E-Series, Excursion and VT 365-MaxxForce7
High Quality: Machined from heavy duty steel with excellent mechanical and physical properties, this Installer Tool Set is good in corrosion resistance and durability
Application: Used for installation and removal of Rear Crankshaft Seal & Wear Ring of Ford, it credibly prevents the seal from leaking
100% SATISFACTION GUARANTEE: Our tool set is simple to use, impossible to mess up, and well built. If you're not 100% satisfied with Sunluway Rear Main Seal Installer Tool, simply return it for a full refund in 30 days. Premium Support & 12-Month Warranty
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Bird's wings | 9.88 | ✅ | ✅ | ✅ |
FITMENT -- Fits for Cummins Signature ISX QSX diesel truck engine, do not work on ISX12 or ISX15, for those you will need 4918991(not supplied).
FUNCTION -- This kit allows the seal to be properly positioned on the crank nose to the front cover
SUPERIOR MATERIAL -- Constructed from high standard heavy duty billet aluminum for strength, durability, and longevity; coated with silver oxide finish for resistance to rust and corrosion.
KIT CONTENT -- Direct replacement of the OEM cummins # 3162992. Includes 3162993, 3163056, 3033627, 3896790, and 3279794.
100% SATISFACTORY GUARANTEE -- We are responsible for our product and service. If you're not 100% satisfied with this item, simply return it for a full refund in 30 days. Premium Support & 12 Months’ Warranty.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| royalo | 5.20 | ✅ | ✅ | ✅ |
Servicegard rear main seal installation tool for JD models engines. Replace JDG476 JDG477 JDG478
Use to simultaneously install the Teflon unitized seal and wear sleeve on the engine rear crankshaft flange
Fit for JD models 3010 3020 4000 4010 4020 4320 4520 4620 4230 4430 4630 8430 4040 4240 4440 4640 4840 8440 (4050 W/466 ONLY) 4250 4450 4650 4850 8450 4055 4255 4455 4555 4755 4955 4560 4760 4960 and many more AG & Industrial equipment using the 270 404 466 6076 7.6L 8.1L engines
Works with Seal OEM number: RE520036, DZ111672, RE530121, RE504363, RE524227, RE22764, AR34682, and AR30382
The driver acts as a pilot to install rear oil seal in the housing eliminating the need for a dial indicator to measure
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| YUANKAI | 9.88 | ✅ | ✅ | ✅ |
APPLICATION: This installation and removal kit fits for Detroit Diesel DD13 and DD15 engines.
REPLACEMENT: Alternative to OEM part number W470589004300 W541589023300 W541589003400.
UPGRADE DESIGN: Professional tool set designed to remove and install the crank front and rear main oil seals without damaging the seal.
SUPERIOR MATERIAL: Heavy duty steel structure machined, welded and finished with powder coating for professional level reliability and durability. It can prevent the tool from corrosion and rust. High precision and hardness to provide a much longer service life.
SATISFACTION GUARANTEE: Bonbo committed to providing customers with a good product experience, if you are not satisfied with our products, simply return it for a full refund in 30 days. We support 12 months’ Warranty.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Chunle | 9.79 | ✅ | ✅ | ✅ |
【Compatible】The crankshaft rear main seal & wear sleeve installer & remover tool kit compatible with Cummins ISX QSX ISX15 ISX12 diesel engines. Replaces OEM 3164780 3162994. Replace multiple seals including 4965569.
【Features】Designed for easy removal and correct installation of the crankshaft rear seal and wear ring/sleeve on diesel engines.
【Advantage】This crankshaft rear main seal & wear sleeve installer & remover tool kit helps reduce the risk of damage to the crankshaft seal surface during disassembly. In addition, the rear seal and wear ring will be automatically installed to the appropriate depth using this special tool 3164780 to prevent damage to the rear seal and leakage.
【Quality】The crankshaft rear main seal & wear sleeve installer & remover tool kit is manufactured by an ISO-certified manufacturer, made of high-quality materials, and meets or exceeds OEM requirements. 100% factory tested, and durable.
【Warranty】2 years warranty for the The upper gimbal steering arm shaft kit! When you have any questions about our products, please feel free to contact us, we will provide the best service.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Partsology | 9.52 | ❌ | ❌ | ❌ |
THIS IS BRAND NEW: DNJ® Rear Main Seal
FITS: 07-11 Jeep, Chrysler, Dodge, Volkswagen / Wrangler, Town & Country, Grand Caravan, Routan 3.3L-3.8L V6 OHV Naturally Aspirated -
WARRANTY TYPE: 1 year or 12,000-mile DNJ® limited warranty.
DNJ Engine Components is a full line provider of Domestic & Japanese engine parts for cars and trucks.
We carefully selected DNJ Engine Components as the sole provider. DNJ has a 30+ year track record of quality, experience, and trust. It makes sense for us to carry a brand that would help us earn customer loyalty in the long run
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Truck Repair US | 9.90 | ✅ | ✅ | ✅ |
【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.
【Custom Design】The driver acts as a pilot to install rear oil seal in the housing eliminating the need for a dial indicator to measure.
【Advantage】Our crankshaft rear seal installer is compatible with John Deere tractors and combines, keeping your equipment running smoothly for a long time.
【Application】This JDG476 JDG477 JDG478 seal installer tool fits for JD models 3010 3020 4000 4010 4020 4320 4520 4620 4230 4430 4630 8430 4040 4240 4440 4640 4840 8440 (4050 W/466 ONLY) 4250 4450 4650 4850 8450 4055 4255 4455 4555 4755 4955 4560 4760 4960, and fits for many more AG & Industrial equipment that using the 270 404 466 6076 7.6L 8.1L engines. (Please make sure the model and part numbers match your application.)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hofantek | 9.87 | ✅ | ✅ | ✅ |
APPLICATION--To replace the new seal for JD models 3010 3020 4000 4010 4020 4320 4520 4620 4230 4430 4630 8430 4040 4240 4440 4640 4840 8440 (4050 W/466 ONLY) 4250 4450 4650 4850 8450 4055 4255 4455 4555 4755 4955 4560 4760 4960 and many more AG & Industrial equipment using the 270 404 466 6076 7.6L 8.1L engines.
Works with Seal OEM number: RE520036, DZ111672, RE530121, RE504363, RE524227, RE22764, AR34682, and AR30382
HIGH QUALITY--- Constructed with high quality carbon steel, which is the best quality of those markets in sale, with great strength and durability for years of trouble-free use.
EASIER WORK-- Replacement for JDG 476 JDG477 JDG478 ST-198 and JT30040B.
Satisfaction Guarantee: If you're not 100% satisfied with this crankshaft rear seal wear ring installer , simply return it for a full refund in 30 days, guarantee with 12 months’ warranty.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Truck Repair US | 9.90 | ✅ | ✅ | ✅ |
【Application】Compatible with John Deere tractors and combines, keeping your equipment running smoothly for a long time. Fits for JD models 3010 3020 4000 4010 4020 4320 4520 4620 4230 4430 4630 8430 4040 4240 4440 4640 4840 8440 (4050 W/466 ONLY) 4250 4450 4650 4850 8450 4055 4255 4455 4555 4755 4955 4560 4760 4960, and fits for many more AG & Industrial equipment that using the 270 404 466 6076 7.6L 8.1L engines.
【High Performance】Equivalent to JDG476 JDG477 JDG478 ST-198 and JT30040B. Designed to simultaneously install the Teflon unitized seal and wear sleeve on the engine rear crankshaft flange.
【Custom Upgrade】Helps easily and quickly replace new seals, works with seal OEM number: RE520036, DZ111672, RE530121, RE504363, RE524227, RE22764, AR34682 and AR30382.
【Superior Material】Made from highest quality steel for great strength, prevent corrosion and rust, impact resistance, sturdy and durable. High precision and hardness ensure long-term service.
【100% Satisfaction Guarantee】If you're not satisfied with our Crankshaft Rear Seal Wear Ring Installer Tool, simply return it for a full refund in 30 days. While you have any questions about our products, please feel free to contact us and we will provide the best service. Always buy confidently in Bonbo!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| uxcell | 9.95 | ✅ | ✅ | ✅ |
This is a non-OEM product, accessory only.
[Fitment] for LS1 LS2 LS3 LS6 LS7 LS9 (4.8L 5.3L 6.0L 6.2L); for LQ4 LQ9 (4.8L 5.3L 6.0L 6.2L)
[Pros] Easy to install, manufactured according to the original dimensions, fully adapted.
[Function] Designed to align the Timing Cover & Rear Main Cover and install the Seals for LS base engines.
[Package] 1x Timing Cover Alignment Tool (Small); 1x Timing Cover Alignment Tool (Medium with O-Ring); 1x Timing Cover Alignment Tool (Large with O-Ring). Please confirm your car model and OE number before purchasing. Please check relevant operation video when you replace it.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| abluming | 8.30 | ✅ | ✅ | ✅ |
Details: A set of crankshaft seal driver kit designed to correctly fix the front and rear main seals. Great strength, rust-resistance and durable to use.
Fitment: Replacement for 2001-2016 GM Duramax Diesel Engine
Engine Types: LB7 LLY LBZ LMM LML
Package Included: Front & Rear Crankshaft Seal Driver Kit Set
Warranty: 1 Year Warranty Provided. Please feel free to contact our customer service if you have any product-related question.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Bonbo | 5 |
| Fel-Pro | 4 |
| Sunluway | 3 |
| Bestu | 1 |
| Dnj | 1 |
| E-Cowlboy | 1 |
| National | 1 |
| Octaor | 1 |
| Qagea | 1 |
| X Autohaux | 1 |
We've carried out a comprehensive analysis of 942 reviews on car main seals, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select car main seals priced around $110.76, with top brands including bonbo, fel-pro, sunluway, dnj, octaor and bestu and qagea
Our team of expert editors reviewed these high-quality items and handpicked the top 19 car main seals for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include truck repair us, amazon.com, sunluway direct, hofantek, partsology, abluming, royalo and chunle and yuankai .
We are dedicated to assisting our users in finding the right seals Products based on their needs, saving them considerable time when choosing which car main seals to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
PickSmartly is dedicated to creating a platform designed to streamline your shopping experience, empowering you to make well-informed purchasing decisions with minimal time and effort. At the heart of our mission is the commitment to earning and maintaining the trust of our users, as we believe this to be fundamental to the services we provide.
When you engage with our websites, services, or tools, we or our approved service providers may utilize cookies to store information. This is done to enhance your user experience by making it more efficient, secure, and tailored to your preferences, as well as for marketing objectives.
We are an Amazon Associate and earn commissions from qualifying purchases. Our participation in the Amazon Services LLC Associates Program, an affiliate advertising initiative, provides us with a means to generate income through links to Amazon.com and its affiliated websites. Please note that Amazon, Amazon Prime, their logos, and the Amazon Prime logo are registered trademarks of Amazon.com, Inc., or its associated companies.
