YC3Z4851AA FORD TRUCKS Rear Differential Carrier Ring Gear

Review FORD TRUCKS Rear Differential Carrier Miles 3.31 Ratio 9.75 Ring Gear for EXPEDITION 2007–2014

Ford Expedition Rear Differential Carrier Assembly (YC3Z4851AA, 07-14 models, 137K, 3.31:1 Gear Ratio, 9.75-inch Ring Gear)

The Ford Expedition Rear Differential Carrier Assembly (YC3Z4851AA) is an essential component of the vehicle's powertrain system, specifically designed for Ford Expedition models from 2007 to 2014. This assembly is responsible for housing the differential gears and supporting the axle shafts.

The 137K carrier assembly is engineered for vehicles equipped with a 3.31:1 gear ratio, enabling the vehicle to deliver impressive torque and power for towing or off-road adventures. The 9.75-inch ring gear is a key feature of this component, ensuring efficient power transfer between the axle shafts and the wheels.

The differential carrier is manufactured to meet stringent Ford quality standards, ensuring a precise fit and superior performance. The durable design is built to withstand the demands of heavy-duty use, making it an ideal choice for those who require exceptional performance from their Ford Expedition.

This carrier assembly is an essential upgrade for Expedition owners looking to improve their vehicle's towing capacity, off-road capabilities, or simply seeking better overall performance. The YC3Z4851AA unit is a direct replacement for the original equipment, ensuring a seamless installation process and a perfect fit.

With the Ford Expedition Rear Differential Carrier Assembly, you can expect enhanced durability, increased torque, and improved overall performance from your vehicle. Whether you're towing a heavy load or tackling rugged terrain, this component is designed to deliver the power and reliability you need to get the job done right.

Pros and Cons of Buying a Ford YC3Z4851AA 07-14 Expedition Rear Differential Carrier with 137K 3.31 9.75 Ring Gear

a. Durability: This differential carrier is designed specifically for the Ford Expedition and is built to last, ensuring reliability and longevity.

b. Improved Performance: The 3.31 gear ratio provides better acceleration and towing capacity compared to the standard 3.73 ratio.

c. Enhanced Off-Road Capability: The 9.75 ring gear increases the torque capacity, improving the vehicle's off-road performance.

d. Easy Installation: The carrier comes pre-installed with the ring gear, making the installation process simpler and more straightforward.

a. Cost: This aftermarket differential carrier is more expensive than the OEM part, which may be a deterrent for some buyers.

b. Potential Compatibility Issues: It is essential to ensure that this carrier is compatible with any modifications or aftermarket parts that have been installed on the vehicle.

c. Increased Noise: The use of a heavier ring gear may result in increased differential noise during operation.

The decision to buy a Ford YC3Z4851AA 07-14 Expedition Rear Differential Carrier with 137K 3.31 9.75 Ring Gear ultimately depends on the individual's priorities and requirements. If improved performance, durability, and off-road capability are essential, then this aftermarket carrier may be a worthwhile investment. However, if cost is a significant concern or there are compatibility issues, it may be best to stick with the OEM part.

For those looking to enhance their Ford Expedition's off-road performance and towing capacity, as well as those who require a more robust and durable differential carrier, the Ford YC3Z4851AA 07-14 Expedition Rear Differential Carrier with 137K 3.31 9.75 Ring Gear is a solid choice. However, it is essential to carefully consider the potential cons and weigh them against the benefits before making a purchase.

Details:

Transfer motors if equipped, will not be warrantied and left on is for buyers convenience only. Model: Ford Expedition. Condition: 137k. Local delivery available to local businesses only.

Over 600,000 parts on inventory. Over 6,000 vehicles in the yard and more arriving daily. If listing states free shipping, shipping is within the 48 only. Redeliver, limited access fees.

specifications differentialsdepo:

• for models: Expedition
• for years: 2007–2014
• brand: Ford Trucks
• mpn: Yc3z4851aa
• placement on vehicle: Rear
• interchange: 440-135a
• type: Differential Housing Assembly
• year: 10
• gear ratio: 3.31
• id: 93a3b0c6-707c-4601-be62-4a434956171d
• country of origin: United States
• partout id: A-125659950

shipping differentialsdepo:

• service: standard
• transit: 12-19 days
• class: standard
• type: fixed

payments differentialsdepo:

• other
• wallet: apple-pay
• credit card: mastercard

offer differentialsdepo:

• prices: $196.83–$699.51
• item condition:
  • Used
  • New
• availability: in stock
• in stock #: 5
• sold #: 10
• started: may 2, 2026
• options: ship-to-home

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials > Assemblies

returns differentialsdepo:

• time: 30 days
• policy: returns accepted
• paid by: buyer

seller differentialsdepo:

• # reviews: 33954
• city: cochranton, pennsylvania
• rating: 99.9%