Motorad MO158 Engine Oil Filler Cap

OE-Style Oil Filler Cap for Chrysler, Dodge, Jeep, Ram

The Motorad MO158 engine oil filler cap is built for direct replacement service on a wide range of Chrysler, Dodge, Jeep, Ram, and select Volkswagen and Mitsubishi applications. It uses a twist-lock mounting design with an included gasket or seal to help maintain a proper seal at the oil fill opening.

Designed to OEM specifications, this black oil filler cap is made from plastic and rubber for a secure fit and a clean engine bay appearance. The MO158 is a practical replacement for vehicles that need a reliable oil cap with the correct thread diameter and sealing profile.

Key Features

• Engine oil filler cap with twist-lock mounting type
• Includes gasket or seal for proper sealing at the oil fill opening
• Constructed from plastic and rubber
• Black finish for a factory-style appearance
• Designed to meet or exceed original equipment manufacturer specifications
• Non-vented design
• Motorad MO158 part number for direct identification

Detailed Description

The Motorad MO158 is an OE-style engine oil filler cap engineered for vehicles that use a twist-lock oil cap design. Its sealed construction helps reduce oil loss at the filler neck, while the included gasket or seal supports a tight, dependable closure. This cap is a direct-fit replacement for many Chrysler 300, Dodge Charger, Dodge Challenger, Jeep Grand Cherokee, and Ram 1500 applications, along with additional Ram ProMaster and Jeep models listed in the fitment data. The MO158 also cross-references Mopar 53022221AA for the same application.

With a compact black housing and OEM-spec fitment, the MO158 is suited for drivers replacing a damaged, missing, or worn oil filler cap on compatible 2007-2025 vehicles. It is also listed across multiple interchange numbers, making it easier to match the correct replacement during service.

Common Problems It Can Help Solve

• Oil cap that no longer seals properly at the filler opening
• Missing or damaged oil filler cap
• Oil seepage around the cap area
• Loose or worn twist-lock engagement
• Factory cap replacement after service or maintenance

Installation Notes and Tips

Before installation, confirm the existing cap uses a twist-lock style and matches the listed thread diameter and sealing design. Inspect the oil fill neck for debris or damage, then install the cap by aligning it and turning it until it seats securely. Verify the cap is fully locked in place after service.

Quality Assurance

Motorad manufactures this oil filler cap from quality components through an OE supplier process and designs it to meet OEM specifications. The MO158 is built for proper fit and sealing performance in compatible Chrysler, Dodge, Jeep, Ram, Volkswagen, and Mitsubishi applications.