Elring 038.900 Engine Connecting Rod Bolt

Elring 038.900 Engine Connecting Rod Bolt

Elring 038.900 is an engine connecting rod bolt built for Volkswagen, Audi, and Porsche applications that call for a Male Torx fastener with thread size 50. When servicing the bottom end of the engine, using the correct connecting rod bolt helps maintain proper clamping force and assembly integrity. This part number 038.900 is listed for a wide range of VW and Audi platforms, including Audi A4, Audi A6 Quattro, and Volkswagen Touareg applications.

Key Features

• Engine connecting rod bolt for internal engine hardware service
• Male Torx bolt head/nut design for the specified fastener interface
• Thread size 50
• Elring part number 038.900
• Cross-reference part numbers include 077 105 425 E and 955 102 425 10 for the same application

Detailed Description

Elring 038.900 is a precision engine connecting rod bolt used in engine rebuild and repair work where the original fastener specification must be maintained. It is listed across multiple Volkswagen, Audi, and Porsche models, including Fits 2000-2015 Audi A4, N/A; Fits 2004-2018 Volkswagen Touareg, N/A; and Fits 2011-2018 Porsche Cayenne, N/A. The Male Torx head design supports the correct tool engagement during engine assembly, while the thread size 50 specification helps match the intended OE-style application. If you are sourcing part number 038.900 for an Audi A5, Porsche Macan, or Volkswagen Amarok engine repair, verify the engine code and fastener requirements before installation.

Common Repair Uses

• Replacing stretched or removed connecting rod bolts during engine rebuilds
• Restoring proper rod cap clamping after bottom-end service
• Addressing fastener wear found during teardown inspection
• Supporting engine assembly work on Audi, Volkswagen, and Porsche platforms
• Matching OE-style hardware requirements for specified engine applications

Installation Notes and Tips

Confirm the exact engine application, fastener length, and torque procedure before installation. Connecting rod bolts are critical engine hardware, so follow the factory service manual for tightening sequence, angle specification, and any replacement recommendations. Inspect rod caps, threads, and mating surfaces for damage before assembly. Use the correct Male Torx driver to avoid fastener damage during service.

Quality Assurance

Elring is a recognized OE-focused engine sealing and hardware brand, and part 038.900 is cataloged for direct application matching across listed Volkswagen, Audi, and Porsche vehicles. This part cross-references Monroe Shocks & Struts (e.g., 077 105 425 E, 955 102 425 10) for the same application.