Camshaft Gasket GM Genuine Parts 12586481 Machined Design

Description

Product Overview

The GM Genuine Parts Camshaft Gasket 12586481 is a direct‑fit replacement designed to meet the exacting standards of General Motors’ original equipment. Manufactured from a high‑grade machined material, the gasket offers a precision‑engineered surface that matches the camshaft housing contours of Chevrolet, Buick, GMC and Cadillac engines. With dimensions of 5.9 x 5.9 x 0.6 inches and a weight of just over one pound, the part is compact enough for easy handling yet robust enough to withstand the high‑temperature, high‑pressure environment of the engine bay. The gasket carries the OEM part number 12586481, ensuring a seamless fit without the need for modifications or additional sealing compounds. Its exterior is machined to a smooth finish, reducing the risk of micro‑abrasions that could compromise the seal over time. The product is listed under the GM Genuine Parts brand, a name synonymous with reliability, durability, and rigorous testing. As a non‑discontinued item, it remains readily available for service technicians and DIY enthusiasts alike, with a best‑seller rank that reflects its popularity among automotive professionals. The gasket’s design incorporates modern material science, combining resilience against oil seepage with resistance to thermal expansion, which together help maintain optimal engine performance and longevity.

Usage

This camshaft gasket is intended for use during routine engine maintenance, rebuilds, or when replacing a worn or damaged gasket. It is suitable for a wide range of GM powertrains, from small‑displacement four‑cylinder engines to larger V6 and V8 configurations found in trucks and performance vehicles. Installation typically occurs after the removal of the camshaft cover, allowing technicians to inspect the mating surfaces for any signs of wear or corrosion before placing the new gasket. The machined surface ensures a uniform seal, which is critical for preventing oil leaks that can lead to reduced lubrication, increased wear, or even catastrophic engine failure. The gasket performs best when installed with a clean, dry surface and the appropriate torque specifications as outlined in the vehicle’s service manual. It is also compatible with aftermarket camshaft covers, provided the cover dimensions align with the original design. For owners seeking to perform a DIY repair, the gasket’s straightforward installation process, combined with clear labeling of the OEM part number, simplifies the identification of the correct component, reducing the likelihood of errors. In high‑performance applications, the gasket’s durability helps maintain compression integrity under elevated boost pressures, making it a reliable choice for both daily drivers and track‑focused builds.

Why Choose Us

Choosing a GM Genuine Parts camshaft gasket means selecting a component that has been engineered, tested, and validated by the same engineers who design the original equipment for Chevrolet, Buick, GMC and Cadillac vehicles. GM engineers develop each part to exacting tolerances, ensuring that the gasket not only fits perfectly but also performs reliably over the full service life of the engine. The machined exterior is a result of continuous improvements in manufacturing technology, allowing for tighter tolerances and a smoother seal surface compared to older cast‑oriented designs. GM Genuine Parts are backed by the extensive warranty and support network of General Motors, providing peace of mind that the part will meet or exceed OEM expectations. In addition, the brand’s commitment to ongoing updates means that the gasket incorporates the latest material advancements, such as enhanced heat‑resistant compounds that reduce the risk of deformation under extreme operating conditions. Customers benefit from a product that is fully compatible with the vehicle’s existing engine architecture, eliminating the need for custom modifications or additional sealing agents. Moreover, GM’s global supply chain ensures consistent availability, so you can rely on timely delivery whether you are a dealership service department or an independent mechanic. The combination of engineering excellence, rigorous quality control, and comprehensive after‑sales support makes the GM Genuine Parts camshaft gasket a superior choice for anyone seeking dependable engine protection.

Key Features

• Precision‑machined surface delivers a tight, leak‑free seal for long‑term engine reliability.
• Durable material resists oil seepage, heat expansion, and chemical exposure in demanding environments.
• Exact OEM fit (part number 12586481) eliminates guesswork and ensures hassle‑free installation.
• Designed for a wide range of GM engines, from compact four‑cylinders to high‑performance V8s.
• Backed by GM Genuine Parts support, offering expert assistance and warranty coverage.

FAQ

What vehicles are compatible with this camshaft gasket?

The gasket is compatible with all GM models that use the OEM part number 12586481, including Chevrolet, Buick, GMC and Cadillac engines across a variety of displacements and configurations. Refer to your vehicle’s service manual for exact fitment details.

Do I need to use additional sealant when installing this gasket?

No additional sealant is required. The machined surface of the gasket provides a complete seal when installed on clean, dry mating surfaces. Using extra sealant could interfere with the designed compression and lead to uneven sealing.

How does the machined design improve performance compared to a cast gasket?

The machined design offers tighter tolerances and a smoother finish, which reduces the likelihood of micro‑gaps that can cause oil leaks. This results in more consistent compression, better oil control, and improved overall engine efficiency.

Is this gasket suitable for high‑performance or turbocharged applications?

Yes. The gasket’s durable construction and heat‑resistant material make it well‑suited for engines that experience higher boost pressures and elevated operating temperatures, providing reliable sealing under demanding conditions.

What warranty or support does GM Genuine Parts provide for this gasket?

GM Genuine Parts offers a standard warranty that covers defects in material or workmanship. In addition, customers can access GM’s technical support network for installation guidance, troubleshooting, and parts replacement assistance.