Mobil 1 M1-115A Engine Oil Filter

Engine Oil Filter Overview

The Mobil 1 M1-115A is a spin-on engine oil filter built for a wide range of late-model GM applications. It uses an anti-drain back valve to help retain oil in the filter after shutdown, supporting quicker oil pressure on startup.

Compatible With Buick, Cadillac, Chevrolet, and GMC applications across 2019-2025 model years, including the Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac XT5. The Mobil 1 M1-115A is a fitment-based choice for drivers looking for a direct replacement engine oil filter with the correct thread size and dimensions.

Key Features

• Spin-on filter design for straightforward service replacement.
• Anti-drain back valve helps keep oil in the filter between starts.
• Bypass relief valve is not included in this design.
• Thread size: 1"-16.
• Outside diameter: 2.942 in. (74.7 mm); height: 3.11 in.

Detailed Description

This Mobil 1 oil filter, part number M1-115A, is engineered for GM vehicles that specify a spin-on filter with a 1"-16 thread. It is listed for applications such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac XT5, along with additional Buick, Cadillac, Chevrolet, and GMC models from 2019-2025. The anti-drain back valve helps maintain oil in the filter after the engine is shut off, which supports cleaner startup oil delivery. This part cross-references Wix WL10351 and Dayco 95146 for the same application.

Common Issues This Filter Can Address

• Oil filter replacement during routine maintenance intervals.
• Loss of oil retention in the filter after shutdown.
• Incorrect thread size or filter dimensions during service.
• Need for a spin-on filter specified for GM fitments.

Installation Notes and Tips

Verify the engine oil filter specification against the vehicle application before installation. Confirm the 1"-16 thread size, outside diameter, and height match the original filter requirements. Replace the filter during an oil service and follow the vehicle manufacturer’s torque and service procedures.

Quality Assurance

Mobil 1 part number M1-115A is cataloged with application-specific fitment data for confirmed vehicle coverage. Review the listed fitments to ensure the filter matches the exact engine and service specification for your vehicle.