Valley Pan Gasket LLNSEAUTO Black Aluminum

Description

Product Overview

The LLNSEAUTO Valley Pan Gasket is crafted from high‑strength black‑coated aluminum, delivering excellent corrosion resistance and a lightweight profile. Engineered to match the original equipment specifications (OE 12558178), it fits GM LS Gen 3 engine blocks including LS1, LS2, LS3, LS6, LQ4, and related variants. Dimensions and weight are optimized for easy handling, with package dimensions of 20.47 x 6.38 x 0.79 inches and a net weight of 2.84 pounds. This gasket ensures a tight seal between the valve cover and the engine block, preventing oil leaks and maintaining optimal engine lubrication.

Usage

Designed for both professional automotive technicians and DIY enthusiasts, this gasket is ideal for routine maintenance, engine rebuilds, or performance upgrades on compatible GM LS engines. Install it when replacing the valve cover, after a gasket failure, or during a complete engine overhaul. Its straightforward installation process reduces labor time, making it suitable for garage workshops, race teams, and home garages alike.

Why Choose Us

LLNSEAUTO combines rigorous quality control with precision machining to deliver a product that meets or exceeds OEM standards. Each gasket undergoes dimensional verification and material testing to guarantee a perfect fit and long‑lasting durability. Backed by a 1‑year warranty and a 100% satisfaction guarantee, customers receive confidence in both product performance and after‑sales support.

Key Features

• Black‑coated aluminum construction for superior corrosion resistance
• Exact OE match – replaces part number 12558178
• Compatible with a wide range of GM LS Gen 3 engines
• Lightweight design simplifies handling and installation
• 1‑year warranty and full satisfaction guarantee

FAQ

Is this gasket compatible with LS3 engines?

No, the gasket is not designed for Gen 4 blocks such as LS3, LS7, or engines with Active Fuel Management.

What tools are needed for installation?

Standard hand tools like a torque wrench, screwdrivers, and a gasket scraper are sufficient for a proper install.

Can I use this gasket on a used engine?

Yes, it is ideal for rebuilding used LS engines, providing a reliable seal that restores original performance.

How does the warranty work?

Contact LLNSEAUTO within one year of purchase for a replacement or refund if the gasket fails due to manufacturing defects.

What is the recommended torque for the valve cover bolts?

Follow the vehicle’s service manual, typically ranging from 7 to 10 Nm for LS engine valve covers.