Dorman 697-721 Rear Differential Ring and Pinion Gear Set 78-10 Ford Mustang
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$282.87
Select your vehicle at the top of the page to check fitment.
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
This differential ring and pinion directly replaces the original equipment on specific vehicle years, makes and models.
- Direct replacement - this ring and pinion set matches the fit and function of the original components on certain vehicle applications
- Effective fix - eliminates grinding and whining from failed original bearings
- Thoroughly tested - vehicle try-on testing and rigorous quality control measures ensure longevity
- Trustworthy quality - backed by team of designers and engineers in the United States
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1990-1997 | Ford | Aerostar | Rear | 7.5 In. Ring Gear; w/2.73 Axle Ratio |
| 1984-1990 | Ford | Bronco II | Rear | 7.5 In. Ring Gear; w/2.73 Axle Ratio |
| 1991-1997 | Ford | Explorer | Rear | 7.5 In. Ring Gear; w/2.73 Axle Ratio |
| 1978-1983 | Ford | Fairmont | Rear | 7.5 In. Ring Gear; w/2.73 Axle Ratio |
| 1981-1982 | Ford | Granada | Rear | 7.5 In. Ring Gear; w/2.73 Axle Ratio |
| 1979-2010 | Ford | Mustang | Rear | 7.5 In. Ring Gear; w/2.73 Axle Ratio |
| 1983-2010 | Ford | Ranger | Rear | 7.5 In. Ring Gear; w/2.73 Axle Ratio |
| 1980-1997 | Ford | Thunderbird | Rear | 7.5 In. Ring Gear; w/2.73 Axle Ratio |
| 1984-1987 | Lincoln | Mark VII | Rear | 7.5 In. Ring Gear; w/2.73 Axle Ratio |
| 1986 | Mercury | Capri | Rear | 7.5 In. Ring Gear; w/2.73 Axle Ratio; 2.3L L4 |
| 1986 | Mercury | Capri | Rear | 7.5 In. Ring Gear; w/2.73 Axle Ratio; 3.8L V6 |
| 1979-1985 | Mercury | Capri | Rear | 7.5 In. Ring Gear; w/2.73 Axle Ratio |
| 1980-1997 | Mercury | Cougar | Rear | 7.5 In. Ring Gear; w/2.73 Axle Ratio |
| 1981-1986 | Mercury | Marquis | Rear | 7.5 In. Ring Gear; w/2.73 Axle Ratio |
| 1978-1983 | Mercury | Zephyr | Rear | 7.5 In. Ring Gear; w/2.73 Axle Ratio |
Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Dorman |
|---|---|
| Part Number | 697-721 |
| UPC | 037495174947 |
| Placement | Rear |
| Gear Ratio | 2.73 |
| Installation Kit Included | No |
| Item Grade | Standard Replacement |
| Package Contents | Ring Gear; Pinion Gear |
| Country of Origin | India |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| ZG F7.5-273 | Interchange |
|---|---|
| YG F7.5-273 | Interchange |