Gates 31280 Engine Oil Filler Cap

Gates Oil Filler Cap for Volvo Applications

The Gates 31280 oil filler cap is an OE-exact replacement built for Volvo engines that use a twist-lock oil cap design. It combines plastic, metal, and rubber construction with an included gasket or seal to help maintain a secure closure at the oil fill opening.

Compatible with a wide range of Volvo models, including S60, V70, XC90, and C70 applications, this Gates Oil Filler Cap is built for direct replacement service. The 31280 part number is a practical choice when you need a black oil cap that matches the original fit and function.

Key Features

• OE Exact replacement for direct-fit service
• Twist lock cam type for secure engagement
• Black finish for a clean factory-style appearance
• Constructed from plastic, metal, and rubber
• Gasket or seal included
• Dimensions: 2.82 in. width, 1.28 in. height, 2.78 in. shell diameter, 1.61 in. neck diameter, 1.17 in. neck depth

Product Details

Gates Oil Filler Cap line products are built with impact-resistant plastic or heavy-gauge metal construction to support long service life in engine bay conditions. This Gates 31280 oil filler cap follows that approach with an OE comparison rating of OE Exact, making it a direct replacement for the original cap on many Volvo engines. If you are replacing a worn, cracked, or missing oil cap on a Volvo S60, XC70, or S80, this part number 31280 provides the correct style and sealing profile for the application.

This part cross-references Wix 46573 for the same application.

Common Issues This Part Can Address

• Broken or cracked oil filler cap housing
• Loose cap fit at the oil fill neck
• Missing or damaged gasket or seal
• Oil vapor escape from a poor cap seal
• Incorrect cap style on Volvo engine applications

Installation Notes and Tips

Before installation, verify the neck diameter, shell diameter, and twist-lock style against the original cap. Confirm the cap seats fully and locks into place without excessive force. Inspect the oil fill neck for debris or damage so the new cap can seal properly. This Gates 31280 cap is listed for multiple Volvo models and years, including 1984-2016 Volvo S60, V70, XC90, C30, C70, S40, S80, V40, S70, S90, V90, 850, 940, 960, 740, 760, 780, and 745 applications where the original oil filler cap matches the listed design.

Quality Assurance

Gates manufactures this oil filler cap with durable materials selected for engine bay use and OE-exact fitment. The included gasket or seal supports proper closure at the oil fill opening, and the cap is built to match the original style used across many Volvo engine applications.