Mobil 1 M1-601A Engine Oil Filter

Mobil 1 M1-601A Engine Oil Filter Overview

The Mobil 1 M1-601A is a spin-on engine oil filter built for select Ford heavy-duty gas applications. It uses a lathe-cut gasket and a 1 1/2"-16 UN-2B thread size, with an 8.02-inch height and 4.27-inch outside diameter for the listed applications.

Compatible With Ford E-350 Super Duty, Excursion, F-250 Super Duty, F-350 Super Duty, E-350 Econoline Club Wagon, E-350 Econoline, F-250 HD, F-350, and F-250 applications where this filter specification is required. The Mobil 1 M1-601A is also cross-referenced to Wix 51734 for the same application.

Key Features

• Spin-on lube filter design for engine oil filtration
• Lathe-cut gasket type for sealing at the mounting base
• Thread size: 1 1/2"-16 UN-2B
• Height: 8.02 in.
• Outside diameter: 4.27 in. (108 mm)
• Anti-drain back valve: No
• Bypass relief valve: No
• Duty type: LD

Detailed Description

The Mobil 1 M1-601A engine oil filter is a spin-on filter specified for a range of Ford trucks and vans, including the Ford E-350 Super Duty, Ford Excursion, Ford F-250 Super Duty, and Ford F-350 Super Duty. Its dimensions and thread specification are important for proper fitment, especially on applications that require the 1 1/2"-16 UN-2B mounting thread and the listed canister size.

This part number, M1-601A, is also referenced across multiple aftermarket catalogs, making it easier to match against existing service records or replacement part numbers. For buyers searching Ford E-350 Econoline Club Wagon oil filter, Ford F-350 oil filter, or Ford F-250 Super Duty spin-on oil filter, this listing provides the core dimensional and fitment details needed to confirm application.

Common Replacement Uses

• Replacing a worn or incorrect oil filter on listed Ford trucks and vans
• Addressing oil filtration service intervals on gas-powered heavy-duty applications
• Correcting fitment issues caused by mismatched thread size or gasket style
• Restoring proper sealing at the filter mount
• Matching service parts for Ford E-350 Super Duty and Ford F-350 Super Duty maintenance

Installation Notes and Tips

Verify the thread size, gasket contact surface, and overall filter dimensions before installation. Confirm the vehicle’s existing filter specification against the listed measurements for the Mobil 1 M1-601A, especially on Ford E-350, F-250, F-350, and Excursion applications. Clean the mounting surface thoroughly and follow the vehicle manufacturer’s oil filter service procedure.

Quality Assurance

Mobil 1 is a recognized automotive filtration brand, and this filter is cataloged with detailed dimensional and interchange data to support accurate part matching. Review the fitment list and cross-reference information before ordering to confirm the correct application.