Mahle GS33285 Engine Cylinder Head Bolt Set

Mahle GS33285 Cylinder Head Bolt Set

Mahle GS33285 is an OEM-standard engine cylinder head bolt set for applications that demand consistent clamping force and reliable sealing at the cylinder head. Built with steel fasteners and a hex head style, this set supports accurate reassembly on a wide range of Chevrolet, GMC, Cadillac, Buick, Oldsmobile, and Pontiac vehicles.

Mahle gaskets and sealing components are trusted by OEMs and technicians worldwide, and this hardware follows that same OE-focused approach for engine service work. This part cross-references FEL-PRO ES 72856 for the same application.

Key Features

• Part number: GS33285
• Engine cylinder head bolt set for head service and rebuild work
• OEM Standard item grade for OE-style fit and function
• Steel fastener material for strength and durability
• Hex head style for standard service-tool engagement
• Washer-free design; washers not required
• No additional package contents

Detailed Description

Mahle GS33285 is built for engine cylinder head installation where proper fastener clamping is critical to sealing performance. The steel bolt construction and OEM Standard grade make it a practical choice for service on vehicles such as the Chevrolet C1500, Chevrolet K1500, GMC Yukon, Chevrolet Corvette, and Pontiac Firebird. It also serves many other GM truck, van, and passenger-car applications across the listed model years.

Use this cylinder head bolt set when replacing head bolts during engine repair, gasket service, or rebuild procedures that require dependable torque retention. The GS33285 part number is also a useful reference when cross-checking service parts for GM applications.

What It Helps Solve

• Loose or uneven cylinder head clamping during engine reassembly
• Head gasket sealing issues caused by worn or stretched fasteners
• Service delays when replacing engine hardware on GM V8 applications
• Fitment uncertainty when sourcing an OE-standard head bolt set
• Repeat repairs caused by reused cylinder head bolts

Installation Notes and Tips

• Verify engine code and head-bolt application before installation.
• Follow the factory torque sequence and torque-angle procedure for the specific engine.
• Inspect cylinder head and block surfaces before final assembly.
• Replace head bolts whenever the service procedure calls for new fasteners.
• Confirm clearance and thread engagement before final tightening.

Quality Assurance

Mahle manufactures sealing and engine service components for OE-level applications, and GS33285 is produced to OEM Standard expectations for fit and function. This part is listed for broad GM coverage, including 1996-2002 Chevrolet Express and GMC Savana vans, 1995-2000 Chevrolet Tahoe, and classic performance applications such as Chevrolet Camaro and Pontiac Firebird.