Elring 325.040 Engine Cylinder Head Bolt Set

Elring 325.040 Engine Cylinder Head Bolt Set

Elring 325.040 is an engine cylinder head bolt set built for specific Audi, Volkswagen, and Porsche applications that use a female splined Ribe-CV bolt head design. With M10 x 1.5 x 172 thread sizing and application-specific fitment, this Elring head bolt set supports accurate reassembly during cylinder head service on vehicles such as the Audi A6, Audi Q7, and Volkswagen Touareg.

Key Features

• Engine cylinder head bolt set for OE-style engine hardware replacement
• Female splined (Ribe-CV) bolt head design for the listed applications
• M10 x 1.5 x 172 thread specification
• Application coverage for Audi, Volkswagen, and Porsche models
• Elring part number 325.040 for catalog matching and service verification

Detailed Description

Elring 325.040 is specified for a range of VAG platform vehicles, including the Audi A4 Quattro, A5, A6, A6 Quattro, Q5, Q7, S4, S5, Volkswagen Touareg, and Porsche Cayenne across the listed model years. The bolt design, thread pitch, and length are the critical identifiers for confirming the correct cylinder head fastener during engine repair. If you are sourcing an Audi A6 cylinder head bolt set, a Volkswagen Touareg head bolt set, or an Audi Q7 engine hardware replacement, this part number provides the fitment details needed for a precise match.

This part cross-references Beck/Arnley 016-1079 and MAHLE GS33645 for the same application.

What It Helps Address

• Replacing stretched or removed cylinder head bolts during engine teardown
• Restoring proper fastener specification after head gasket service
• Matching the correct M10 x 1.5 x 172 head bolt format for listed vehicles
• Supporting accurate reassembly on Audi, Volkswagen, and Porsche engine repairs
• Reducing fitment errors when ordering engine hardware by part number

Installation Notes and Tips

Verify the bolt head design, thread size, thread pitch, and length against the removed hardware before installation. Confirm the exact vehicle year and engine application, especially on models with date-specific notes such as To 07/2011 or To 07/31/2011. Follow the vehicle manufacturer’s tightening sequence and torque procedure for cylinder head fasteners, and replace any hardware that does not match the listed specifications.

Quality Assurance

Elring is a recognized name in engine sealing and hardware applications, and part 325.040 is cataloged with detailed dimensional and fitment data to support correct ordering for service work.