Motorad MO339 Engine Oil Filter Cap

Engine Oil Filter Cap Overview

The MotoRad MO339 engine oil filter cap is a specific-fit replacement built for applications that use a screw-on cap design. It uses OEM-approved plastic construction with a rubber seal to support a secure, serviceable fit in demanding operating conditions.

Fits 2004-2006 Porsche Cayenne, 2004-2011 Volkswagen Touareg, and 2007-2010 Audi Q7 applications that use this cap style. The MO339 is also listed for select Audi A8 Quattro, Volkswagen Jetta, Golf, EuroVan, and Passat models.

Key Features

• Specific-fit engine oil filter cap for listed applications
• Plastic construction with a black finish
• Screw-on attachment type for service access
• Rubber gasket or seal included for sealing at the cap interface
• Round design with indicator markings
• Built to meet or exceed OEM quality standards

Detailed Description

MotoRad MO339 is a standard replacement oil filter cap engineered for vehicles that require a threaded, screw-on cap. The cap is manufactured from OEM-approved materials and produced in ISO TS16949 facilities to support consistent fit and durability. Its specific-fit design, round shape, and integrated seal make it a practical replacement for service intervals where the original cap is worn, damaged, or no longer sealing properly.

This part cross-references Dorman - OE Solutions 917-065 for the same application. The MO339 part number is useful when matching the correct cap for Porsche Cayenne, Volkswagen Touareg, and Audi Q7 service work, as well as other listed Volkswagen and Audi applications.

What It Is Used For

• Replacing a cracked or damaged oil filter cap
• Restoring proper sealing at the filter housing
• Addressing stripped or worn screw-on threads
• Correcting oil seepage from a compromised cap seal
• Servicing the filter housing during routine maintenance

Installation Notes and Tips

Verify the thread diameter, cap depth, and overall dimensions against the original part before installation. Confirm the vehicle uses a specific-fit screw-on oil filter cap and match the cap style to the existing housing. Inspect the sealing surface and gasket area during service to help ensure proper sealing after installation.

Quality Assurance

MotoRad manufactures this cap to meet or exceed OEM quality standards in ISO TS16949 facilities. The MO339 is built with OEM-approved materials for reliable performance in high-temperature and high-stress engine environments.