Elring 221.530 Engine Cylinder Head Bolt Set

Elring Cylinder Head Bolt Set for Volvo Engines

Elring 221.530 is an engine cylinder head bolt set built for Volvo applications that require precise thread engagement and consistent clamping force. With a male hex bolt head/nut design, M12 x 1.75 x 157 thread specification, and 14 mm spanner size, this set supports accurate cylinder head fastening during engine service.

Key Features

• Brand: Elring
• Part number: 221.530
• Engine cylinder head bolt set for Volvo engine hardware service
• Male hex bolt head/nut design for standard tool access
• Thread size: M12 x 1.75 x 157
• 14 mm spanner size
• Designed for Volvo S80, XC90, S90, V90, and 960 fitments listed below

Detailed Description

This Elring cylinder head bolt set is specified for Volvo engine repair applications where correct bolt dimensions and head design matter. The listed fitment includes 2006 Volvo S80; 2005-2006 Volvo XC90; 1999-2005 Volvo S80; 2003-2004 Volvo XC90; 1997-1998 Volvo S90; 1997-1998 Volvo V90; and 1992-1997 Volvo 960. Elring 221.530 is also referenced under cross numbers such as Bosch 15744 and MAHLE GS33488 for the same application.

Vehicle Fitment

• Fits 2006 Volvo S80, N/A
• Fits 2005-2006 Volvo XC90, N/A
• Fits 1999-2005 Volvo S80, N/A; Length: 157mm; Thread Size: M12; Thread Pitch: 1.75mm; Bolt Head Nut Design: Male Hex
• Fits 2003-2004 Volvo XC90, N/A; Length: 157mm; Thread Size: M12; Thread Pitch: 1.75mm; Bolt Head Nut Design: Male Hex
• Fits 1997-1998 Volvo S90, N/A; Length: 157mm; Thread Size: M12; Thread Pitch: 1.75mm; Bolt Head Nut Design: Male Hex
• Fits 1997-1998 Volvo V90, N/A; Length: 157mm; Thread Size: M12; Thread Pitch: 1.75mm; Bolt Head Nut Design: Male Hex
• Fits 1995-1997 Volvo 960, N/A; Length: 157mm; Thread Size: M12; Thread Pitch: 1.75mm; Bolt Head Nut Design: Male Hex
• Fits 1992-1994 Volvo 960, N/A

Common Repair Uses

• Replacing stretched or damaged cylinder head bolts during engine teardown
• Restoring proper cylinder head clamping after head gasket service
• Addressing uneven sealing caused by worn fasteners
• Supporting accurate reassembly on Volvo S80, XC90, S90, V90, and 960 engines

Installation Notes

Verify the engine code, bolt length, thread pitch, and head design before installation. Clean the threaded holes and mating surfaces thoroughly, and follow the vehicle service manual for tightening sequence and torque procedure. Because cylinder head fasteners are critical engine hardware, confirm that the replacement matches the original specification before assembly.

Quality Assurance

Elring is a recognized OE-focused engine sealing and hardware brand, and this bolt set is built to match the listed Volvo applications and dimensional requirements.