Select the year of your Ford Bronco:
EXCEL D44409R Differential Ring and Pinion
The EXCEL D44409R Differential Ring and Pinion delivers OEM-quality performance for Ford applications, specifically designed for Dana 44 differentials. With a gear ratio of 4.10, this reverse cut setup is ideal for those looking to enhance their driveline's efficiency and torque delivery.
Specifications
- Ring Gear Diameter: 8.5 inches
- Pinion Shaft Diameter: 1.376 inches
- Pinion Spline Count: 26
- Ring Gear Tooth Count: 41
- Pinion Gear Tooth Count: 10
- Ring Gear Rotation: Reverse
- Material: 8620 Steel
- Differential Carrier Break: 3.92 and Higher
- Differential Case Design Type: Dana 44
- Cover Bolt Quantity: 10
- Ring Gear Bolt Quantity: 10
Installation Notes
Designed for front axle applications, the D44409R is compatible with the following Ford models:
- Ford Bronco (1978-1996)
- Ford F-150 (1977-1996)
- Ford F-250 (1977-1988)
Important Information
This product is intended for use with Dana 44 differentials and is optimized for vehicles with a 3.92 ratio carrier or higher.
For optimal performance, ensure proper installation and alignment during setup.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
1978-1996 Ford Bronco |
Bronco | 1978-1996 |
|
1977-1996 Ford F-150 |
F-150 | 1977-1996 |
|
1977-1988 Ford F-250 |
F-250 | 1977-1988 |

Excel is a brand under Richmond that is best known for its high-quality drivetrain products for the automotive industry. They specialize in creating durable, high-quality differential components used both on the track and on the street. Today, they are the leading brand when it comes to differential components in the market.
Racer’s Brand Of ChoiceThe company offers premium differential kits and components that are used by many racers everywhere. Their rock-solid design aims to provide maximum performance and safety during extreme and tough driving conditions.
Your Drivetrain Component ExpertsFor more than 80 years, the company has provided quality aftermarket parts for different industries. It includes the agriculture, construction, marine, and automotive sector. They have a wide range of drivetrain products such as spools and mini spools, transmissions, ring and pinion gear, synthetic gear oils, and transmission fluids. They have a comprehensive list of products and even have parts for vehicles made from the 1940s up to the present.
State-of-the-Art FacilityTo ensure that all their products come out the way they designed them, the company utilizes the latest and most advanced equipment available in the market. It allows them to create parts with precision cuts with very minimal tolerances.
Purchase Excel Products At Vivid RacingIf you are in the market for quality drivetrain components for your vehicle, then Excel is the brand for you. Whether it is a classic car or a modern one, they would have the right set for you. To know more about Excel and what they can offer, visit Vivid Racing and check out their list of products that fit your specific needs.
Installation Instructions
Click to view the Installation Instructions here
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