Dorman 697-375 Differential Ring and Pinion - Rear

OE-Style Differential Ring and Pinion

Dorman 697-375 is a standard replacement differential ring and pinion for rear axle applications that use a 3.73 gear ratio. It directly replaces the original equipment setup on select Ford trucks, including Ford F-150, Ford F-150 Heritage, Ford F-250, Ford F-250 HD, and Ford F-350 applications with a 10.25 in. ring gear.

Use this Dorman 697-375 ring and pinion when servicing the rear differential on a Ford F-150 3.73 axle ratio application or a Ford F-350 rear axle with the same gear setup. The part number 697-375 is built for direct OE replacement use in the listed vehicles.

• Gear ratio: 3.73
• Standard replacement grade for differential service
• Rear axle application
• Package contents: ring gear and pinion gear
• Direct replacement for specific Ford truck rear differentials

Detailed Application Coverage

This differential ring and pinion is intended for rear axle service on 2000-2003 Ford F-150, 2004 Ford F-150 Heritage, 1985-1998 Ford F-250, 1997 Ford F-250 HD, and 1985-1997 Ford F-350 models with a 10.25 in. ring gear and 3.73 axle ratio. It also cross-references YG F10.25-373L and ZG F10.25-373L for the same application. If you are replacing worn gears in a Ford F-250 or Ford F-150 rear differential, 697-375 provides the correct gear ratio match for the listed fitments.

What It Helps Fix

• Worn or damaged differential gears
• Gear noise from ring and pinion wear
• Incorrect rear axle gear ratio after service
• Loss of smooth power transfer through the differential
• Need for OE-style replacement during differential rebuilds

Installation Notes and Tips

Installation requires differential setup and gear pattern adjustment by a qualified technician. Verify the axle housing, ring gear size, and 3.73 ratio before installation. Because no installation kit is included, reuse or source the required setup components separately as needed for the rebuild.

Quality Assurance

Dorman supplies this part as a standard replacement differential component for the listed Ford truck applications. Confirm fitment by year, make, model, rear position, and axle notes before ordering.