Looking for the best 5.7L LS engine seals? We’ve researched and compiled a list of top-performing seals to keep your engine running smoothly, offering you a hassle-free experience with our carefully selected options.
Keeping your 5.7L LS engine running smoothly starts with the right seals. These small but vital parts prevent leaks, maintain oil pressure, and ensure your engine performs at its best. Whether you’re tackling a rebuild or just routine maintenance, choosing the best 5.7L LS engine seals is key to long-lasting performance.
We’ve done the research for you, finding the top seals that fit perfectly and stand up to the demands of your engine. From oil pump pickup seals to valve stem seals, we’ve got you covered. Discover the best options to keep your engine running like new.
List of Top 10 5.7L LS Engine Seals
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GEN 3 III New LS Gasket Set Kit and LS9 Head Gaskets Compatible with Chevy GMC Vehicle Silverado Sierra LS1 LS6 LQ4 LQ9 4.8L 5.3L 5.7L 6.0L LS Engine Gasket Kit, Replace#12551933 12558178 12611384 |
This gasket set is perfect for Chevy and GMC vehicle owners looking to repair their LS engines. It’s ideal for DIY enthusiasts who want to save time and money on engine maintenance. |
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Oil Pan Gasket Set & Rear Main Seal Gasket Kit – OS32241 OS30693R 12612350 BS 40640 12639249 89060436 Compatible with GM LS V8 Engine 4.8L 5.3L 5.7L 6.0L 6.2L Chevy GMC Cadillac Pontiac Saab Isuzu |
This Oil Pan Gasket Set & Rear Main Seal Gasket Kit is perfect for car owners with GM LS V8 engines. It’s ideal for fixing leaks and keeping your engine running smoothly. |
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Michigan Motorsports Front LS Crankshaft Damper Seal | Fits Gen III & Gen IV LS Engines | 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L | LS1 LS3 LQ4 LQ9 | OE Replacement 12585673 |
This crankshaft damper seal is perfect for anyone with a Gen III or Gen IV LS engine who wants to prevent oil leaks and keep their engine running smoothly. It’s easy to install and built to last, making it ideal for daily drivers and high-performance builds alike. |
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Melling M29517 LS Oil Pump Pickup O-Ring Seals | Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS2 LS3 LS Engines | Reliable Seal for Optimal Oil Pressure |
This product is perfect for anyone with an LS engine who wants to keep their oil pressure stable and protect their engine. It’s easy to install and works great for daily drivers or high-performance builds. |
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Michigan Motorsports LS Rear Engine Cover with Main Seal Gasket & Bolts | Replaces GM 12639250 | Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS Engines | Complete Rear Main Seal Kit |
This product is perfect for car enthusiasts and mechanics working on GM LS engines. It makes replacing the rear main seal easy and efficient. |
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BS40640 Rear Main Seal Kit for Chevy Silverado 1500 1997-2016 GM LS Engines 4.8L 5.3L 5.7L 6.0L 6.2L – Replacement Crankshaft Seal & Metal Gasket Set, Fits Tahoe, Suburban |
This Rear Main Seal Kit is perfect for Chevy Silverado and GMC truck owners looking to replace old or worn seals. It’s also a great fit for anyone with compatible GM LS engines needing an easy, reliable solution for leaks. |
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LS Gasket Kit for GM LS V8 Engine 4.8L 5.3L 5.7L 6.0L 6.2L Includes Rear Main Seal, Gen III Valley and Front Timing and Oil Pan and Valve Cover Gasket Set Replaces CS5975A, CS9284 |
This gasket kit is perfect for anyone with a GM LS V8 engine. It fits many popular models like the Chevrolet Silverado and GMC Sierra, making it easy to improve your engine’s performance and reliability. |
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BTR Brian Tooley Racing LS Valve Seal Kit – VS LS KIT – Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS Engine – Built for Dual Valve Springs – Perfect for LS1 LS2 LS3 Engines |
This BTR LS Valve Seal Kit is perfect for car enthusiasts who want reliable, high-performance parts. It’s ideal for dual valve spring setups, fitting popular LS engines like LS1, LS2, and LS3. |
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LS Lower Gasket Kit for GM V8 Engine 4.8L 5.3L 5.7L 6.0L 6.2L – CS5975A CS9284 – Oil Pan, Front Timing Cover, Rear Main Seal, Valve Cover & Gen III Valley Cover Gasket Set |
This LS Lower Gasket Kit is perfect for car owners and mechanics who need a reliable, all-in-one solution for GM V8 engines. It’s ideal for those fixing leaks or upgrading their vehicle’s performance. |
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Michigan Motorsports LS/LT Beehive Valve Seal Kit | Set of 16 | Hat-Style Stem Seal for 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L LS & Gen V LT Engines | OEM-Style Powdered Metal Guide Fit |
This Beehive Valve Seal Kit is perfect for car enthusiasts and mechanics working on LS and LT engines. It’s great for those who want to ensure a tight seal during upgrades or rebuilds, helping to prevent leaks and oil burn. |
Detailed Reviews
Discover the top 10 5.7L LS Engine Seals in our expert-curated guide. Each product is thoroughly reviewed for performance, durability, and value. Whether you need leak-free seals or high-performance upgrades, this guide has you covered. Find the perfect fit for your engine and drive with confidence.
1. GEN 3 III New LS Gasket Set Kit and LS9 Head Gaskets Compatible with Chevy GMC Vehicle Silverado Sierra LS1 LS6 LQ4 LQ9 4.8L 5.3L 5.7L 6.0L LS Engine Gasket Kit, Replace#12551933 12558178 12611384

Revitalize your Chevy or GMC vehicle with the GEN 3 III New LS Gasket Set Kit. This comprehensive kit is designed for LS engines, ensuring a perfect fit for various models. It’s compatible with 4.8L, 5.3L, 5.7L, and 6.0L engines, making it a versatile choice for your vehicle.
The kit replaces multiple OE part numbers, saving you time and money. It includes essential gaskets like the valley cover, head gaskets, and oil pan gaskets. Each component is crafted with quality materials to meet or exceed OEM standards, ensuring durability and performance.
Easy installation, long-lasting results, and reliable support make this kit a smart investment. Upgrade your engine with confidence today!
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Perfect For:
This gasket set is perfect for Chevy and GMC vehicle owners looking to repair their LS engines. It’s ideal for DIY enthusiasts who want to save time and money on engine maintenance.
Ready to Purchase?
2. Oil Pan Gasket Set & Rear Main Seal Gasket Kit – OS32241 OS30693R 12612350 BS 40640 12639249 89060436 Compatible with GM LS V8 Engine 4.8L 5.3L 5.7L 6.0L 6.2L Chevy GMC Cadillac Pontiac Saab Isuzu

Keep your GM LS V8 engine running smoothly with this all-in-one gasket set. It includes everything you need for a complete oil pan and rear main seal replacement. This kit is compatible with a wide range of Chevy, GMC, Cadillac, and other vehicles.
The oil pan gasket set fits 4.8L to 6.2L engines, while the rear main seal kit works with 1999-2020 models. Both are designed for a perfect fit and meet original equipment specifications.
High-quality materials ensure durability and reliability. Professional service is available for compatibility questions. Trust this kit for your engine repair needs.
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Perfect For:
This Oil Pan Gasket Set & Rear Main Seal Gasket Kit is perfect for car owners with GM LS V8 engines. It’s ideal for fixing leaks and keeping your engine running smoothly.
Ready to Purchase?
3. Michigan Motorsports Front LS Crankshaft Damper Seal | Fits Gen III & Gen IV LS Engines | 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L | LS1 LS3 LQ4 LQ9 | OE Replacement 12585673

The Michigan Motorsports Front LS Crankshaft Damper Seal is a direct replacement for GM part number 12585673. It ensures a perfect fit and reliable sealing for your LS engine.
This seal prevents oil leaks by maintaining a tight seal around the front crankshaft. It’s built tough to handle high heat and long-term use, making it ideal for daily drives or high-performance builds.
Easy to install, fits many LS engines, and extends engine life. A smart choice for leak-free performance.
| Pros | Cons |
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Perfect For:
This crankshaft damper seal is perfect for anyone with a Gen III or Gen IV LS engine who wants to prevent oil leaks and keep their engine running smoothly. It’s easy to install and built to last, making it ideal for daily drivers and high-performance builds alike.
Ready to Purchase?
4. Melling M29517 LS Oil Pump Pickup O-Ring Seals | Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS2 LS3 LS Engines | Reliable Seal for Optimal Oil Pressure

The Melling M29517 LS Oil Pump Pickup O-Ring Seals keep your engine running smoothly. They prevent oil pressure loss by creating a secure, leak-free seal. This ensures your LS engine gets the oil it needs.
Made from durable, heat-resistant materials, these seals handle extreme conditions. They fit perfectly on 4.8L to 6.2L LS engines, just like the factory originals. Installation is quick and easy.
These seals protect your engine from wear and damage. Trusted Melling quality ensures reliable performance for daily drives or high-speed races.
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Perfect For:
This product is perfect for anyone with an LS engine who wants to keep their oil pressure stable and protect their engine. It’s easy to install and works great for daily drivers or high-performance builds.
Ready to Purchase?
5. Michigan Motorsports LS Rear Engine Cover with Main Seal Gasket & Bolts | Replaces GM 12639250 | Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS Engines | Complete Rear Main Seal Kit

The Michigan Motorsports LS Rear Engine Cover is a complete kit for your LS engine. It includes everything you need: the rear engine cover, main seal, gasket, and bolts. This kit is designed for LS engines, fitting 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L models.
It’s perfect for rear main seal replacement or engine rebuilds. The kit replaces GM part 12639250 and ensures a reliable fit for your LS engine. Michigan Motorsports guarantees quality components for your project.
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Perfect For:
This product is perfect for car enthusiasts and mechanics working on GM LS engines. It makes replacing the rear main seal easy and efficient.
Ready to Purchase?
6. BS40640 Rear Main Seal Kit for Chevy Silverado 1500 1997-2016 GM LS Engines 4.8L 5.3L 5.7L 6.0L 6.2L – Replacement Crankshaft Seal & Metal Gasket Set, Fits Tahoe, Suburban

The BS40640 Rear Main Seal Kit is a must-have for Chevy Silverado 1500 owners. It fits GM LS Engines from 1997 to 2016. This kit works with 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L engines.
This replacement kit includes a crankshaft seal and metal gasket. It’s easy to install and built to last. Perfect for keeping your engine leak-free.
It also fits Tahoe, Suburban, and other GMC vehicles. Check the list to see if it matches your car’s make and model. Fix your seal and drive with confidence!
| Pros | Cons |
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Perfect For:
This Rear Main Seal Kit is perfect for Chevy Silverado and GMC truck owners looking to replace old or worn seals. It’s also a great fit for anyone with compatible GM LS engines needing an easy, reliable solution for leaks.
Ready to Purchase?
7. LS Gasket Kit for GM LS V8 Engine 4.8L 5.3L 5.7L 6.0L 6.2L Includes Rear Main Seal, Gen III Valley and Front Timing and Oil Pan and Valve Cover Gasket Set Replaces CS5975A, CS9284

Keep your GM LS V8 engine running smoothly with this complete gasket kit. It fits 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L engines, including popular models like the LS1, LS2, and LS3. This kit works with many Chevrolet, GMC, and Cadillac vehicles.
Prevent leaks and maintain engine performance with this kit. It seals oil, coolant, and fuel to keep your engine running reliably. The gaskets are designed for a precise fit, meeting OEM specifications for long-lasting performance.
Before purchasing, confirm fitment by checking your vehicle’s details. We prioritize your satisfaction and are ready to assist with any questions or issues.
| Pros | Cons |
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Perfect For:
This gasket kit is perfect for anyone with a GM LS V8 engine. It fits many popular models like the Chevrolet Silverado and GMC Sierra, making it easy to improve your engine’s performance and reliability.
Ready to Purchase?
8. BTR Brian Tooley Racing LS Valve Seal Kit – VS LS KIT – Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS Engine – Built for Dual Valve Springs – Perfect for LS1 LS2 LS3 Engines

The BTR LS Valve Seal Kit is built for performance. It handles high RPMs with ease. Perfect for serious horsepower.
This kit is made for dual valve springs. It fits popular LS engines like LS1, LS2, and LS3. Works with 4.8L to 6.2L setups.
You get a reliable, leak-free seal. BTR quality ensures top performance. Trust it for street or race builds.
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Perfect For:
This BTR LS Valve Seal Kit is perfect for car enthusiasts who want reliable, high-performance parts. It’s ideal for dual valve spring setups, fitting popular LS engines like LS1, LS2, and LS3.
Ready to Purchase?
9. LS Lower Gasket Kit for GM V8 Engine 4.8L 5.3L 5.7L 6.0L 6.2L – CS5975A CS9284 – Oil Pan, Front Timing Cover, Rear Main Seal, Valve Cover & Gen III Valley Cover Gasket Set

The LS Lower Gasket Kit is a complete set for GM V8 engines. It fits 4.8L to 6.2L models, ensuring a perfect seal for your engine.
This kit includes all essential gaskets like oil pan, timing cover, and valve cover. It’s compatible with Chevrolet, GMC, and Cadillac vehicles, making it a reliable choice.
High durability ensures long-lasting performance. Factory-tested for optimal results. Easy to install for smooth engine operation.
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Perfect For:
This LS Lower Gasket Kit is perfect for car owners and mechanics who need a reliable, all-in-one solution for GM V8 engines. It’s ideal for those fixing leaks or upgrading their vehicle’s performance.
Ready to Purchase?
10. Michigan Motorsports LS/LT Beehive Valve Seal Kit | Set of 16 | Hat-Style Stem Seal for 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L LS & Gen V LT Engines | OEM-Style Powdered Metal Guide Fit

Upgrade your engine with the Michigan Motorsports LS/LT Beehive Valve Seal Kit. This set of 16 is designed for LS and Gen V LT engines, ensuring a perfect fit. It works with 4.8L to 7.0L engines, covering Gen 3, 4, and 5 models.
The hat-style stem seals are shaped for beehive valve springs, keeping your valvetrain sealed under high lift cycles. They match OEM seal geometry, so no modifications are needed. The powdered metal guides ensure a secure stem location.
This kit is essential for spring replacement, preventing leaks and oil burn. It’s ideal for performance builds and top-end rebuilds, with 16 seals to service all intake and exhaust valves.
| Pros | Cons |
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Perfect For:
This Beehive Valve Seal Kit is perfect for car enthusiasts and mechanics working on LS and LT engines. It’s great for those who want to ensure a tight seal during upgrades or rebuilds, helping to prevent leaks and oil burn.
Ready to Purchase?
Buying Guide
Keeping your 5.7L LS engine in top shape starts with the right seals. These small parts play a big role in preventing leaks and ensuring smooth performance.
Choosing the best 5.7L LS engine seals can feel overwhelming, but we’re here to help. We’ve researched and tested top options to make your decision easier. Here’s what to consider:
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Compatibility:
Make sure the seals fit your specific 5.7L LS engine model. Check for compatibility with your vehicle’s make, model, and year. -
Material Quality:
Look for seals made from durable, heat-resistant materials. High-quality materials ensure longevity and reliable performance. -
Type of Seal:
Identify the exact seals you need, such as oil pump pickup, valve stem, or rear main seals. Each type serves a unique purpose in your engine. -
OEM Standards:
Choose seals that meet or exceed original equipment manufacturer (OEM) standards. This guarantees a perfect fit and reliable performance. -
Ease of Installation:
Opt for seals that are easy to install, especially if you’re doing the work yourself. Clear instructions and a good fit save time and effort. -
Brand Reputation:
Trust brands known for quality and reliability. Brands like Michigan Motorsports, Melling, and BTR are trusted in the automotive community. -
Price vs. Value:
Balance cost with quality. While cheaper options may save money upfront, investing in high-quality seals ensures long-term performance.
With the right seals, your 5.7L LS engine will run smoothly and efficiently. Use this guide to make an informed choice and keep your engine in peak condition.