Mahle 5866 Engine Cylinder Head Gasket

Engine Cylinder Head Gasket Overview

Mahle 5866 is an OEM-standard composite engine cylinder head gasket built for sealing performance in service and repair work. It is listed for a wide range of Chevrolet Tracker, Suzuki Vitara, Suzuki Esteem, and related applications, with fitment notes that call for replacing cylinder head bolts when using a composite gasket.

Key Features

• Composite cylinder head gasket material for dependable sealing.
• OEM-standard item grade for service replacement use.
• 1.27 mm thickness with a 75.95 mm cylinder bore diameter.
• No gasket sealant included.
• Torque-to-yield application noted in fitment data.

Detailed Description

Mahle 5866 is a composite engine cylinder head gasket designed around OE-style sealing requirements. The gasket construction, thickness, and bore sizing make it a direct service part for engines used in Chevrolet Tracker, Suzuki Vitara, Suzuki Esteem, Suzuki Sidekick, Suzuki X-90, Geo Tracker, Pontiac Sunrunner, Suzuki Swift, and GMC Tracker applications. This part cross-references FEL-PRO 9683 PT-1 and General Motors 96057882 for the same application. Mahle 5866 is suited to repair work where maintaining combustion sealing and coolant/oil separation is critical, and the fitment notes specifically indicate replacing cylinder head bolts when installing a composite engine cylinder head gasket.

Common Repair Uses

• Restores sealing after head gasket failure.
• Addresses coolant loss caused by gasket leakage.
• Helps correct compression loss from a compromised head seal.
• Supports repair of oil and coolant mixing at the cylinder head interface.
• Replaces a worn or damaged factory-style head gasket.

Installation Notes

Confirm engine application, bore size, and gasket thickness before installation. The fitment data notes torque-to-yield service requirements and recommends replacing cylinder head bolts when using a composite engine cylinder head gasket. Clean and inspect the mating surfaces carefully, and follow the vehicle service procedure for torque sequence and final tightening.

Quality Assurance

MAHLE gaskets are trusted by OEMs and technicians worldwide for sealing applications. Part number 5866 is built to OEM-standard expectations for engine service work.