Best Gen 3 LS Gaskets: Seal Your Engine with Confidence

1. AUTOBABA GEN 3 III LS Gasket Set Kit & LS Head Gaskets Compatible with 1999-2010 GM Chevy Silverado GMC Sierra 1500 2500 Engine LS1 LS6 LQ4 LQ9 4.8L 5.3L 5.7L 6.0L Replace# 12558178 12551933 12611384

The AUTOBABA GEN 3 III LS Gasket Set Kit is made for 1999-2010 GM Chevy Silverado and GMC Sierra engines. It fits models with 4.8L to 6.0L engines perfectly.
It seals oil, coolant, and gas well. It handles high heat and pressure. It lasts long and keeps your engine safe.
This gasket set matches OEM specs for a perfect fit. It helps your engine run smooth and leak-free.

2. GEN III LS Gasket Set/Kit for GM Chevrolet 4.8L 5.3L 5.7L 6.0L LS1 LS2 LS3 LS4 LS5 LS6 Oil Pan Gasket Gen III Valley Cover Gasket Front Timing Cover Gasket & Rear Main Seal Gasket Set CS5975A CS9284

The GEN III LS Gasket Set/Kit is made to fit GM Chevrolet engines like the 4.8L, 5.3L, 5.7L, and 6.0L V8. It works perfectly with models such as Silverado, Tahoe, Camaro, and Cadillac Escalade.

This kit includes all the essential gaskets and seals you need. It comes with an oil pan gasket, valley cover gasket, front timing cover gasket, rear main seal, and more for a complete engine seal.

Easy to install. High quality parts. Reliable fit.

3. Kafkof Gen III LS Gasket Kit Compatible with 4.8L 5.3L 5.7L LS1 LS6 LM7 L59 LR4 Chevy Silverado GMC Sierra V8 Engines, Head Gasket Set Replace# 12589226 12612350 12558178

The Kafkof Gen III LS Gasket Kit is designed for GM Gen III LS engines. It fits Chevy and GMC vehicles from 1999 to 2011. This kit works with models like Silverado, Sierra, and Tahoe.

Check fitment differences before buying. Some gaskets are specific to trucks or cars. Verify part numbers to ensure the kit matches your vehicle.

4. 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

The GEN 3 LS Gasket Set Kit is perfect for Chevy and GMC vehicles. It works with LS1, LS6, LQ4, and LQ9 engines, fitting 4.8L, 5.3L, 5.7L, and 6.0L sizes. This kit replaces many OE part numbers, making it a reliable choice.

This set includes head gaskets, oil pan gaskets, and valve cover gaskets. It also has water pump gaskets and a rear main seal. All parts are made with quality materials and meet OEM standards. You can save time and money by installing it yourself.

Easy to use, fits well, and lasts long. Perfect for engine repairs and upgrades. Get your vehicle running smoothly again!

5. GEN 3 5.3 LS Gasket Set, 6.0 Head Gasket Kit Compatible with 1999-2010 GM Chevrolet 4.8L/5.3L/5.7L/6.0L LS1 LS6 LQ4 LQ9 Engine, Replace# 12633904 12558177 BTR73450

The GEN 3 5.3 LS Gasket Set is a complete kit for GM Chevrolet engines. It fits 1999-2010 models with 4.8L, 5.3L, 5.7L, or 6.0L engines. This set includes all essential gaskets for a full engine rebuild.

It replaces OE numbers like 12633904 and BTR73450. The gaskets are tested for factory specs. They work well in high or low temperatures.

Enjoy a 24-month warranty for peace of mind. The upgraded design ensures long-lasting performance and saves time and money.

6. GEN 3 LS Gasket Set Kit & LS Head Gaskets Fit for GM Chevy Silverado Suburban Express GMC Sierra Engine LS1 LS6 LQ4 LQ9 4.8L 5.3L 5.7L 6.0L 1999-2010, Replace 12558178 12612350 12551933

This kit fits many GM and GMC LS engines. It works with models from 1999 to 2010. It gives you a clean, tight seal.

Each part replaces key OE numbers with ease. The materials are strong and made to last. They hold up under heat and pressure.

You get a full set of high‑quality gaskets. Check your engine details before you buy.

7. Racing for BTR GEN 3 III LS 5 Layers Gasket Set Kit Compatible with 1999-2010 GM Chevy Silverado GMC Sierra 1500 2500 Engine LS1 LS6 LQ4 LQ9 4.8L 5.3L 5.7L Replace# 12558178 12551933 12611384

Boost your engine power now. This durable kit fits your truck. Buy this top quality set today.

These five layer gaskets resist high heat. They meet all OEM standards perfectly.

Seal your LS engine right. The complete set saves you time. Get professional results fast.

8. Michigan Motorsports Gen III 1997-2006 LS Complete Gasket Kit – Fits All Gen 3 4.8L 5.3L 5.7L 6.0L Engines – Valley Cover, Oil Pan, Water Pump, Valve Covers, Front & Rear Seals, Knock Sensor Grommets

The Michigan Motorsports Gen III 1997-2006 LS Complete Gasket Kit is a complete gasket kit made for all Gen III LS engines from 1997 to 2006. It fits 4.8L, 5.3L, 5.7L, and 6.0L engines perfectly. This kit has every seal you need for a full rebuild, so you won’t miss a thing.

It uses durable materials that resist heat, oil, and coolant. The fit is exact to GM standards for a leak-free engine. This kit covers all key parts like the valley cover, oil pan, and valve covers. It makes repairs and rebuilds faster and easier.

9. Michigan Motorsports LS Valley Cover Gasket – Fits 1997-2007 Gen 3 LS Engines – Replacement Gasket for LS1 LS6 LM7 LQ4 LQ9 LR4 – Replaces 12558178

The Michigan Motorsports LS Valley Cover Gasket is a must-have for 1997–2007 Gen 3 LS engines. It ensures a leak-free seal between the valley cover and engine block.

Precision molded for a perfect fit, this gasket meets OEM standards. It’s durable and oil-resistant, handling heat and vibration with ease.

Works with LS1, LS6, LM7, LQ4, LQ9, LR4, and more. Ideal for engine rebuilds, cam swaps, or routine maintenance.

10. LS Gen 3 Valley Pan Cover Plate Low Profile with Gasket and Seals Compatible with LSX LS1 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33 (Silver)

The LS Gen 3 Valley Pan Cover Plate is a low-profile solution for your engine. It fits all Gen III blocks, including LSX, LS1, and more. This silver cover comes with a gasket and seals for a perfect fit.

Made from 6061 aluminum alloy, it’s strong and corrosion-resistant. The anodized silver finish adds durability. It supports long-term use and enhances block rigidity.

The package includes a valley cover, gasket, and 10 bolts. Note: It does not fit Gen 4 blocks like LS3 or LS7.