Motorad MO325 Engine Oil Filter Cap

Engine Oil Filter Cap for GM Small-Engine Applications

The MotoRad MO325 engine oil filter cap is a specific-fit replacement built for select Chevrolet, Buick, Pontiac, Saturn, and Suzuki applications. It uses OEM-approved plastic construction with a rubber seal and screw-on attachment for a secure fit on the oil filter housing.

Designed for vehicles such as the Chevrolet Cruze, Sonic, Trax, and Buick Encore, the MO325 helps restore proper sealing and serviceability in applications that use a round black filter cap with indicator markings.

Key Features

• Specific-fit engine oil filter cap for select GM and related applications
• Plastic construction with black finish
• Screw-on attachment type for service access
• Rubber gasket/seal included for sealing at the housing
• Indicator markings on the cap for identification during service
• Round shape with a 2.73 in. thread diameter
• Manufactured to meet or exceed OEM quality standards

Product Details

MotoRad MO325 is a standard replacement oil filter cap engineered for durability in demanding temperature and operating conditions. The cap measures 2.90 in. in length and width, 2.65 in. in height, and 0.95 in. in cap depth, with a 0.94 in. head diameter. Its black plastic body and rubber seal are built for direct replacement service on supported engines. This part cross-references Dorman OE Solutions 917-051 for the same application. For shoppers searching for a Chevrolet Cruze oil filter cap, Buick Encore engine oil filter cap, or MotoRad MO325 replacement cap, this part matches the listed fitment and design requirements.

Common Issues This Part Can Address

• Cracked or damaged oil filter cap housing
• Oil seepage at the filter cap seal
• Stripped or worn screw-on cap threads
• Broken indicator markings on the original cap
• Service issues caused by a missing or deteriorated seal

Installation Notes and Tips

Verify the thread diameter, cap shape, and seal style against the original part before installation. Clean the housing sealing surface before fitting the new cap, and tighten it evenly by hand to the manufacturer’s service specification. Confirm the cap seats fully and that the seal is positioned correctly before returning the vehicle to service. The MO325 is listed for specific applications, including Fits 2013-2021 Buick Encore, N/A; Fits 2013-2021 Chevrolet Trax, N/A; Fits 2012-2020 Chevrolet Sonic, N/A; Fits 2016 Chevrolet Cruze Limited, N/A; Fits 2011-2015 Chevrolet Cruze, N/A.

Quality Assurance

MotoRad manufactures this filter cap using OEM-approved materials and ISO TS16949 production standards to support consistent fit and durability. The MO325 is built to meet or exceed OEM quality standards for the listed applications, including Chevrolet Cruze, Chevrolet Sonic, and Buick Encore fitments.