Elring 759.640 Engine Cylinder Head Bolt Set

Elring 759.640 Cylinder Head Bolt Set

Elring 759.640 is an engine cylinder head bolt set for select Mercedes-Benz applications that require M12 fasteners with a 1.75 mm thread pitch and 160 mm length. Built with a female star bolt head/nut design, this 14-bolt set is specified for precise cylinder head service on compatible Mercedes-Benz engines.

Key Features

• Engine cylinder head bolt set for Mercedes-Benz applications
• Part number: 759.640
• 14 bolts/screws per set
• Thread size: M12x1.75x160
• Bolt head/nut design: Female Star
• Spanner size: X - M 12
• Elring OE-style hardware for engine repair work

Detailed Description

This Elring cylinder head bolt set is built for engine rebuilds and head gasket service where the original fastener specification must be matched exactly. The 759.640 set uses M12 threads with a 1.75 mm pitch and 160 mm length, making it a direct-spec hardware choice for select Mercedes-Benz S320, C280, C36 AMG, E320, SL320, and 300-series models. This part cross-references MAHLE GS33707 for the same application.

Compatible With 1994-1999 Mercedes-Benz S320, 1996-1997 Mercedes-Benz C280, 1994 Mercedes-Benz C280, 1995-1997 Mercedes-Benz C36 AMG, 1994-1997 Mercedes-Benz E320, 1994-1997 Mercedes-Benz SL320, 1990-1993 Mercedes-Benz 300CE, 1993 Mercedes-Benz 300E, 1992-1993 Mercedes-Benz 300SE, 1990-1993 Mercedes-Benz 300SL, and 1993 Mercedes-Benz 300TE. The Elring 759.640 cylinder head bolt set is also referenced by part numbers 14-32029-01 and GS33707.

Common Repair Uses

• Replacing stretched or damaged cylinder head bolts during head gasket service
• Restoring proper clamping force after engine teardown
• Addressing coolant loss or compression loss tied to head sealing issues
• Correcting fastener wear from previous engine repairs
• Supporting accurate reassembly on Mercedes-Benz inline and V6 engine service

Installation Notes and Tips

Verify engine code, bolt length, thread pitch, and head design before installation. Cylinder head bolts are critical torque-to-yield fasteners on many engines, so follow the factory tightening sequence, torque stages, and angle specifications for the exact vehicle and engine variant. Clean threaded holes thoroughly and inspect the cylinder head and block surfaces before assembly.

Quality Assurance

Elring is a recognized engine sealing and hardware brand used in professional repair environments. This 759.640 bolt set is manufactured to match the listed OE-style dimensions and application requirements for the confirmed Mercedes-Benz fitments above.