Dorman 697-139 rear differential ring and pinion for the 1964-1972 Chevrolet Impala and other vehicles replaces the gear pair that sends driveshaft power to the rear wheels. The Dorman differential ring and pinion is sold as one set, made up of a ring gear and a pinion gear.
- 3.9 gear ratio
- Ring gear and pinion gear supplied together as a set
- Addresses grinding and whining caused by failed original bearings
- Vehicle try-on testing and rigorous quality control measures
- Part of the Dorman OE Solutions line
Quick facts
- Part: Dorman 697-139 differential ring and pinion
- Fits: 1964-1972 Chevrolet Impala and other vehicles
- Position: Rear
- Condition: New
Grinding or whining from the rear axle can mean worn gears or bearings, though other causes are possible. Before replacing the set, look around the differential housing for fluid leaks with the engine off; a shop can run any test that needs the car moving. The rear axle takes one set.
Fits
It is listed for a wide range of Chevrolet, Buick and Pontiac models, including the 1969-1972 Chevrolet Camaro and the 1964-1972 Chevrolet Bel Air. It directly replaces the original equipment on those specific years, makes and models. Driving something else? Look it up in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: Rear
- Gear ratio: 3.9
- Quantity per vehicle: 1
Build and materials
- Type: ring gear and pinion gear set
- Item grade: Standard Replacement
- Condition: New
- Country of origin: India
In the box
A ring gear and a pinion gear. An installation kit is not included.
Interchange: ZG GM12P-390
Frequently Asked Questions
Is the Dorman 697-139 ring and pinion right for a 1964-1972 Chevrolet Impala?
Yes. Dorman 697-139 is a rear set listed for the 1964-1972 Chevrolet Impala, with the years alone deciding fit; for any other car, look in the "Vehicles it fits" section.
Does the Dorman 697-139 include an installation kit?
No. Dorman 697-139 contains a ring gear and a pinion gear, and an installation kit is not included.
What gear ratio is the Dorman 697-139 set?
The gear ratio is 3.9. Dorman 697-139 is a rear set with a ring gear and a pinion gear.
What noises can a worn rear ring and pinion make?
Grinding or whining from the rear axle can come from worn gears or failed bearings. Other parts can make similar noises, so a shop can diagnose it.
Does ZG GM12P-390 interchange with this ring and pinion?
Yes. ZG GM12P-390 is listed as an interchange number for Dorman 697-139.
