Elring 820.210 Engine Cylinder Head Bolt Set

Elring 820.210 Cylinder Head Bolt Set

Elring 820.210 is an engine cylinder head bolt set built for Mercedes-Benz diesel applications that use M12 female star head bolts. It is specified for precise thread sizing and OE-style hardware fitment, making it a direct-match option for service work on classic Mercedes-Benz 300D and 300SD engines.

Key Features

• Engine cylinder head bolt set for Mercedes-Benz diesel engine service
• Female star bolt head/nut design for the specified application
• Thread Size 1: M 12x1,75x104
• Thread Size 2: M 12x1,75x119
• Spanner size: X - M 12
• Elring part number 820.210 for catalog and cross-reference use

Application Details

This Elring 820.210 cylinder head bolt set is built around the listed thread dimensions and female star drive profile, which are critical when servicing the cylinder head on compatible Mercedes-Benz diesel engines. It is a fitment-based solution for owners and technicians searching for a Mercedes-Benz 300D cylinder head bolt set or a Mercedes-Benz 300SD head bolt replacement with the correct M12 thread specification.

Compatible With 1977-1981 Mercedes-Benz 300D, N/A. Compatible With 1983-1985 Mercedes-Benz 300D, N/A. Compatible With 1983-1985 Mercedes-Benz 300SD, N/A. This part cross-references Victor Reinz 14-32032-02 for the same application.

Common Service Uses

• Replacing stretched or removed cylinder head bolts during engine repair
• Restoring proper clamping force after cylinder head service
• Addressing head gasket repair jobs that require new head bolts
• Matching the correct M12 female star fastener profile for the engine
• Supporting accurate reassembly on Mercedes-Benz diesel cylinder heads

Installation Notes and Tips

Verify thread size, pitch, and bolt head design before installation. Clean the cylinder head and block threads thoroughly, and follow the vehicle service manual for tightening sequence and torque procedure. Because cylinder head fasteners are critical engine hardware, confirm that the application matches the listed Mercedes-Benz 300D and 300SD fitment before assembly.

Quality Assurance

Elring is a recognized engine sealing and hardware brand used in professional repair environments. Part number 820.210 is cataloged with defined thread dimensions and application-specific fitment data to support accurate ordering and service selection.