Motorad MO346 Engine Oil Filter Cap

Engine Oil Filter Cap for VW and Audi Applications

The MotoRad MO346 engine oil filter cap is a specific-fit replacement built for select Volkswagen and Audi engines. It uses OEM-approved plastic construction, a black finish, and a screw-on attachment style to match the original service part on covered applications.

Designed for vehicles such as the Volkswagen Jetta, Golf, Beetle, and Audi RS3, this cap is made to meet or exceed OEM quality standards in ISO TS16949 manufacturing facilities. The MO346 also includes a rubber gasket/seal and indicator markings for proper service identification.

Key Features

• Specific-fit engine oil filter cap for select VW and Audi models
• OEM-approved plastic construction for durability in demanding temperatures
• Black round cap with screw-on attachment type
• Rubber gasket/seal included for proper sealing
• Indicator markings included for service reference
• Thread diameter: 3.17 in / 80.52 mm
• Cross-reference part numbers include Dorman OE Solutions 921-171 and Genuine 07K115408

Detailed Description

The MotoRad MO346 is an engine oil filter cap engineered for direct replacement on select Volkswagen and Audi vehicles, including the Audi TT RS Quattro, Audi TTS Quattro, Audi RS3, Volkswagen Jetta, Volkswagen Golf, and Volkswagen Beetle. Its 74.17 mm head diameter, 91.95 mm length and width, and 15.24 mm cap depth reflect a service part sized for the specified applications. The black plastic body and rubber seal are selected to support reliable fitment and sealing performance during routine oil filter service. This part cross-references Dorman OE Solutions 921-171 and Genuine 07K115408 for the same application.

What This Part Helps Address

• Cracked or damaged oil filter cap housing
• Oil seepage at the filter cap seal area
• Improper sealing after oil filter service
• Worn threads or a cap that no longer tightens correctly
• Missing or unreadable indicator markings on the original cap

Installation Notes and Tips

Verify the thread diameter, head diameter, and vehicle application before installation. Clean the sealing surface and inspect the gasket area for debris or damage before threading the cap into place. Use the correct service procedure for the engine oil filter housing to avoid cross-threading or seal distortion. Compatible With 2005-2017 Volkswagen Jetta, 2010-2014 Volkswagen Golf, 2006-2017 Volkswagen Beetle, and 2022-2026 Audi RS3 applications.

Quality Assurance

MotoRad manufactures this filter cap to meet or exceed OEM quality standards at ISO TS16949 facilities, using OEM-approved materials for consistent durability and fit.