Mahle GS33286 Engine Cylinder Head Bolt Set

Mahle GS33286 Cylinder Head Bolt Set

The Mahle GS33286 engine cylinder head bolt set is built to OEM standard specifications for secure cylinder head fastening during engine service. With steel construction and a hex head style, it is a direct-fit hardware solution for a wide range of Chevrolet, GMC, Pontiac, Oldsmobile, and Isuzu applications.

Fits 1978-2013 Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Astro, Chevrolet S10, and related GM truck and van platforms where an engine cylinder head bolt set is required.

Key Features

• OEM standard engine cylinder head bolt set
• Steel fastener material for engine assembly use
• Hex head style for standard service tooling
• Washer-free design where washers are not required
• Brand: Mahle, Part Number: GS33286

Product Details

Mahle GS33286 is an engine cylinder head bolt set intended for engine rebuild and head service applications that call for OE-style hardware. Mahle gaskets and sealing products are trusted by OEMs and technicians worldwide, and this fastener set follows that same service-focused approach with steel construction and OEM standard grading. This part cross-references FEL-PRO ES 74034 for the same application.

Vehicle coverage includes long-tail fitment searches such as Mahle GS33286 for Chevrolet Silverado 1500 cylinder head bolt replacement, GMC Sierra 1500 engine head bolt set, and Chevrolet Express 1500 cylinder head hardware. It also applies across additional GM platforms including Savana, Blazer, S10, Sonoma, Bravada, and classic truck and van models listed in the fitment data.

Common Repair Uses

• Replacing stretched or damaged cylinder head bolts during head gasket service
• Restoring proper clamping force after cylinder head removal
• Addressing engine teardown repairs that require new head fasteners
• Supporting rebuild work on GM trucks, vans, and SUVs
• Correcting sealing issues caused by worn or reused head bolts

Installation Notes

Verify engine code and application details before installation, since this part fits various engine types across multiple models. Clean all threaded holes, inspect the cylinder head and block surfaces, and follow the vehicle manufacturer’s tightening sequence and torque specifications during assembly. Use the correct service procedure for your engine family when installing Mahle GS33286.

Quality Assurance

Mahle supplies OEM-standard sealing and engine hardware products used across professional repair and rebuild work. Part Number GS33286 is manufactured as a steel, hex-head bolt set for consistent service fitment across the listed applications.