GM Genuine Parts Engine Piston Machined Cast

Description

Product Overview

The GM Genuine Parts engine piston is an original equipment replacement designed to meet General Motors’ exacting standards. Manufactured from premium cast aluminum alloy and precision‑machined, it matches the dimensions and weight of the factory part (1.38 lbs, 4.75 x 4.25 x 4.25 inches). Featuring a robust machined exterior, the piston offers superior wear resistance and heat dissipation, ensuring consistent performance in both daily driving and high‑load conditions.

Usage

This piston is suited for engine rebuilds, overhauls, and direct replacements in Chevrolet, Buick, GMC, and Cadillac models that originally used the GM OE part number 19208471. Whether you are a professional mechanic or an experienced DIY enthusiast, the piston integrates seamlessly into standard service procedures, providing reliable compression and combustion efficiency.

Why Choose Us

Choosing GM Genuine Parts means selecting components engineered by the vehicle manufacturer itself. Each piston undergoes rigorous testing for dimensional accuracy, material integrity, and performance under extreme conditions. Backed by General Motors’ warranty and support network, you receive a product that aligns with factory specifications, reducing the risk of incompatibility and extending engine life.

Key Features

• Exact OEM fit for Chevrolet, Buick, GMC, and Cadillac engines
• High‑strength cast aluminum alloy for durability
• Precision machined exterior for optimal clearance
• Lightweight design at 1.38 lb to maintain engine balance
• Validated by GM engineers and backed by a manufacturer warranty

FAQ

Is this piston compatible with all GM models?

The piston matches the GM Original Equipment part number 19208471, which is used across a range of Chevrolet, Buick, GMC and Cadillac vehicles. Verify your vehicle’s service manual for exact compatibility.

What material is the piston made from?

It is constructed from a high‑quality cast aluminum alloy, providing a balance of strength, heat resistance, and lightweight characteristics.

Do I need special tools to install this piston?

Standard engine rebuilding tools and a torque wrench are sufficient. Follow the vehicle’s service guidelines for proper installation torque and sequence.

Can I use this piston for performance upgrades?

While the piston meets OEM specifications, for high‑performance or racing applications consider parts specifically engineered for those conditions.

What warranty does GM provide?

The piston is covered by GM’s standard warranty for genuine parts, offering protection against manufacturing defects.