FORD TRUCK Rear Ring Gear Pinion Axle 445-00145B Gear/pinion 9.75 1813786

( Brand: Ford Truck ), ( Part Type: Ring Pinion Gear Axle ), ( Genuine Oem: Yes ), ( Ipn: 445-00145b ), ( Year: 2012 ), ( Warranty: 90 Day )

Review FORD TRUCK Ring Gear/pinion Rear Axle 9.75 Inch Gear Fits Pickup fits F150 2011–2014

The Ford 445-00145B Ring Gear/Pinion Rear Axle is a critical component for the drivetrain system of certain Ford F-150 models from 2011 to 2014. This axle assembly comes with a 9.75 ring gear and a 11-inch diameter pinion, making it suitable for specific applications.

The ring gear, which is the larger ring-shaped component in the axle assembly, is designed to engage with the engine's crankshaft through the driveshaft. Its primary function is to transmit the engine's rotational energy to the pinion gear, which in turn drives the differential gears and ultimately, the wheels.

The pinion gear, which is the smaller, conical gear, meshes with the ring gear and drives the differential gears. The pinion gear is equipped with bearings on both ends to ensure smooth and efficient operation.

This ring gear/pinion assembly is manufactured to meet Ford's stringent quality standards, ensuring a reliable and long-lasting performance. It is engineered from high-strength steel and undergoes rigorous testing to ensure it can handle the heavy loads and torque requirements of the F-150.

The 9.75 ring gear diameter is designed for specific applications that require a higher torque capacity compared to the standard 9.25-inch ring gear. The 11-inch diameter pinion is also larger than the standard pinion size, which results in a lower gear ratio and increased torque at the wheels.

The Ford 445-00145B Ring Gear/Pinion Rear Axle is a direct replacement for the original equipment and is designed to fit and function seamlessly in the vehicle. Installation is straightforward and does not require any modifications to the vehicle. However, it is recommended to consult the vehicle's service manual or consult with a professional mechanic to ensure proper installation and to avoid any potential complications.

In summary, the Ford 445-00145B Ring Gear/Pinion Rear Axle is a high-performance component designed for specific Ford F-150 applications that require increased torque capacity. Manufactured from high-strength steel and tested to meet Ford's stringent quality standards, this axle assembly is a reliable and efficient solution for those seeking to upgrade their F-150's drivetrain system.

Pros and Cons of Buying Ford 445-00145B Ring Gear/Pinion Rear Axle for 9.75 Gear (11-14 F150)

The Ford 445-00145B Ring Gear/Pinion Rear Axle is a crucial component for vehicles with 9.75 gears and model years between 11 and 14 of the F-150 series. This part plays a significant role in the vehicle's drivetrain system, transmitting power from the engine to the wheels. In this analysis, we will discuss the advantages and disadvantages of purchasing this specific Ford ring gear/pinion rear axle.

1. Durability: This axle is manufactured by Ford, ensuring that it adheres to the company's high-quality standards. It is built to withstand the heavy-duty usage typical of F-150 trucks.

2. OEM (Original Equipment Manufacturer) Part: Using an OEM part guarantees a perfect fit and compatibility with the vehicle. There is no need for modifications or customization.

3. Reliability: As an OEM part, the ring gear/pinion rear axle is designed to function seamlessly with other components in the drivetrain system. This translates to improved reliability and reduced chances of future failures.

4. Warranty: Ford offers a warranty on this part, providing peace of mind to the consumer in case of any defects or issues.

1. Cost: Ford OEM parts, in general, tend to be more expensive compared to aftermarket alternatives. This may be a significant consideration for some consumers.

2. Limited Availability: Depending on the location and availability, it may be challenging to find this specific part from a local dealership or auto parts store. Online purchasing may be the most convenient option.

3. Longer Lead Time: Due to the manufacturing and shipping processes, it may take some time for the part to arrive, potentially causing a delay in repairs or installations.

The Ford 445-00145B Ring Gear/Pinion Rear Axle comes with several advantages, such as durability, OEM fitment, reliability, and a warranty. However, it also comes with disadvantages, such as cost, limited availability, and longer lead times. Ultimately, the decision to purchase this part depends on the individual's priorities, budget, and time constraints. If reliability, compatibility, and peace of mind are top priorities, then an OEM part like the Ford 445-00145B Ring Gear/Pinion Rear Axle is an excellent choice. If cost is a significant factor, then exploring aftermarket alternatives may be worth considering.

Details:

For more parts from this vehicle. See below for fitment information and any notes pertaining to this specific part. This part will only fit: FORD F150 PICKUP 11 Rear Axle; 9.75 ring gear, from 12/20/10, 3.31 ratio, 12-14 ratio. It is ready to ship and comes with a 90 day warranty.

Donor Vehicle. Year: 2012, model: F150, Stock #: V3947, Mileage: 84000.

part #: f150 prices

• $153.00-$656.83

specifications othellodrivetrain:

• for models: F150
• for makes: Ford
• for years: 2011-2014
• brand: Ford Truck
• part type: Ring Pinion Gear Axle
• genuine oem: Yes
• ipn: 445-00145b
• year: 2012
• warranty: 90 Day

offer othellodrivetrain:

• quantity: 1
• started: November 18, 2025
• sold: 0
• options: Ship-to-home
• best offers: True
• availability: In Stock

general othellodrivetrain:

• Transmission Drivetrain > Differentials, Assemblies Parts > Additional Differential Parts
• condition: Used

returns othellodrivetrain:

• policy: Returns Accepted
• time: 60 Days
• paid by: Seller

seller othellodrivetrain:

• # reviews: 14135
• rating: 98.7%
• city: Saint Johns, Michigan

shipping othellodrivetrain:

• service: Flat Rate Freight
• type: Fixed
• class: Freight
• cost: $0.00

payments othellodrivetrain:

• other
• credit card: Discover
• wallet: Paypal

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