SMTRUILAN LS Gen3 Aluminum Valley Pan Cover

Description

Product Overview

The SMTRUILAN LS Gen3 Valley Pan Cover is engineered for GM vehicles equipped with Gen 3 LS engines. Crafted from premium billet aluminum, the cover offers superior strength while reducing overall weight. It arrives with a precision‑cut valve pan gasket (part 12558178 & MS19328) and ten stainless‑steel bolts, ensuring a perfect seal and long‑lasting durability. Package dimensions are 18.75 × 6.28 × 1 inches and the unit weighs 2.79 lb, making storage and handling straightforward.

Usage

Designed for Chevrolet, GMC, Cadillac trucks, SUVs, and vans—including Silverado, Sierra, Suburban, Yukon, Tahoe, and Escalade—this cover fits all Gen 3 engine blocks (LS1, LS2, LS3, LS6, LS7, LQ4, LQ9, etc.). It is ideal for routine maintenance, engine rebuilds, or performance upgrades where a reliable, leak‑free valley pan is essential.

Why Choose Us

SMTRUILAN combines aerospace‑grade billet aluminum with CNC machining for exact tolerances, guaranteeing a seamless fit that OEM parts provide. Each cover undergoes rigorous quality checks, and the included stainless bolts resist corrosion in demanding environments. Our commitment to fit‑first design means fewer modifications, faster installation, and reduced risk of oil leaks, giving you confidence on the road.

Key Features

• Billet aluminum construction for high strength and low weight
• Precision‑cut gasket and stainless steel bolts included
• Direct fit for all GM Gen 3 LS engine blocks
• Corrosion‑resistant hardware for long‑term reliability
• Easy bolt‑on installation with no drilling required

FAQ

Will this cover fit LS3 engines?

No. The LS Gen 3 cover is not compatible with LS3, LS7, or any Gen IV blocks that feature Active Fuel Management.

Do I need additional hardware for installation?

All necessary hardware is included: the cover, gasket, and ten stainless‑steel bolts. No extra parts are required.

Can I use this on a vehicle with a knock sensor?

This specific part (551629) is the non‑knock‑sensor version. If your engine has a knock sensor, you will need the alternate model with the sensor hole.

Is the aluminum coating treated for heat resistance?

Yes, the billet aluminum is anodized to improve heat dissipation and resist oxidation under high‑temperature conditions.

What is the warranty period?

SMTRUILAN offers a one‑year limited warranty covering manufacturing defects for peace of mind.