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SKU: YG F8.8R-331R / UPC: 883584243564
Yukon Gear Ring and Pinion Gear Set: Ford 8.8" Reverse Rotation, 3.31 Ratio
The Yukon Gear YG F8.8R-331R ring and pinion gear set, crafted specifically for Ford 8.8-inch reverse rotation differentials in a precise 3.31 gear ratio. This high-performance setup restores and enhances drivetrain efficiency, handling increased power demands from engine modifications or larger tires with consistent torque delivery and reduced noise. Built from premium high-grade steel using advanced heat treatment and precision machining, it provides smoother gear meshing and extended service life compared to factory components, ensuring your Ford 4x4 performs reliably across highways, trails, and heavy loads. Backed by Yukon's Y.E.S. Plan for lifetime coverage as long as you own the vehicle, this gear set stands as the reliable solution for maintaining forward momentum without compromise.
What's Included in Your Purchase
- One (1) ring gear (8.80-inch diameter)
- One (1) pinion gear (28-spline count)
- Complete ring and pinion gear set only—no additional install kit, shims, bearings, seals, or fluids included
Key Specifications
- Part Number: YG F8.8R-331R
- UPC: 883584243564
- Gear Ratio: 3.31:1
- Ring Gear Diameter: 8.80 inches
- Pinion Spline Count: 28
- Ring Gear Bolts: 10
- Cover Bolts: 10
- Pinion Shaft Diameter: 1.625 inches
- Differential Type: Ford 8.8-inch reverse rotation (front IFS applications)
- Material: High-grade steel alloy
- Part Weight: 19.23 lbs
Vehicle Fitment
Compatible with select 4-wheel-drive Ford F-150 and Expedition models equipped with the 8.8-inch independent front suspension (IFS) differential requiring reverse rotation gears. Verify your vehicle's axle configuration for exact match.
|
Year Range |
Make |
Model |
Submodels/Trims |
Engine Sizes |
Notes |
|
1997-2003 |
Ford |
Expedition |
Eddie Bauer, XLT |
4.6L, 5.4L |
4WD |
|
2004 |
Ford |
Expedition |
Eddie Bauer, NBX, XLS, XLT, XLT Sport |
4.6L, 5.4L |
4WD |
|
2005 |
Ford |
Expedition |
Eddie Bauer, Limited, XLS, XLT |
5.4L |
4WD |
|
2006 |
Ford |
Expedition |
Eddie Bauer, King Ranch, Limited, XLS, XLT, XLT Sport |
5.4L |
4WD |
|
2007 |
Ford |
Expedition |
Eddie Bauer, EL Eddie Bauer, EL Limited, EL XLT, King Ranch, Limited, XLT |
5.4L |
4WD |
|
2008 |
Ford |
Expedition |
Eddie Bauer, EL Eddie Bauer, EL King Ranch, EL Limited, EL XLT, Funkmaster Flex Edition, King Ranch, Limited, XLT |
5.4L |
4WD |
|
2009-2010 |
Ford |
Expedition |
Eddie Bauer, EL Eddie Bauer, EL King Ranch, EL Limited, EL XLT, King Ranch, Limited, XLT |
5.4L |
4WD |
|
2011-2014 |
Ford |
Expedition |
EL King Ranch, EL Limited, EL XL, EL XLT, King Ranch, Limited, XL, XLT |
5.4L |
4WD |
|
1997-2000 |
Ford |
F-150 |
Base, Lariat, XL, XLT |
4.2L, 4.6L, 5.4L |
4WD |
|
2001-2003 |
Ford |
F-150 |
King Ranch, Lariat, XL, XLT |
4.2L, 4.6L, 5.4L |
4WD |
|
2004 |
Ford |
F-150 |
FX4, Lariat, STX, XL, XLT |
4.2L, 4.6L, 5.4L |
4WD |
|
2005-2014 |
Ford |
F-150 |
FX4, King Ranch, Lariat, STX, XL, XLT (and additional trims) |
4.2L, 4.6L, 5.4L |
4WD; confirm extended years for specific configurations |
Shipping Details
- Product Weight: 19.23 lbs
- Shipping Box Dimensions: 16.00 in (L) x 12.00 in (W) x 6.00 in (D)
This Yukon Gear set integrates seamlessly with OEM dimensions for straightforward installation, delivering the power recovery and traction you need for your Ford's front differential. Choose YG F8.8R-331R to keep your truck geared for the long haul.
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