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1991 Ford F-150

1991 Ford F-150 Differential Cases

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Yukon replacement standard open carrier case for Dana 44, 3.92 & up
Part Number: YUKYCD706025
Guaranteed to Fit
$134.89
Vehicle Fitment
  • 1991 Ford F-150 Custom All Engines 4WD, Dana 44
  • 1991 Ford F-150 XL All Engines 4WD, Dana 44
  • 1991 Ford F-150 XLT Lariat All Engines 4WD, Dana 44
Product Details
Location : FrontAxle Type : Dana Spicer 44Spline Count : 30Gear Ratio : 3.92 and upProduct Fit : Direct FitRecommended Use : PerformanceWarranty : 1-year Yukon Gear and Axle Limited WarrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Yukon replacement standard open carrier case for Dana 44, 30 spline, 3.73 & down
Part Number: YUKYCD706024
Guaranteed to Fit
$189.89
Vehicle Fitment
  • 1991 Ford F-150 Custom All Engines 4WD, Dana 44
  • 1991 Ford F-150 XL All Engines 4WD, Dana 44
  • 1991 Ford F-150 XLT Lariat All Engines 4WD, Dana 44
Product Details
Location : FrontAxle Type : Dana Spicer 44Spline Count : 30Gear Ratio : 3.73 and belowProduct Fit : Direct FitRecommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Yukon standard open carrier case, Ford 8.8", 31 spline
Part Number: YUKYCF880502
Guaranteed to Fit
$228.89
Vehicle Fitment
  • 1991 Ford F-150 Custom All Engines 4WD, Ford 8.8 in.
  • 1991 Ford F-150 XL All Engines RWD, Ford 8.8 in.
  • 1991 Ford F-150 XLT Lariat All Engines 4WD, Ford 8.8 in.
Product Details
Location : RearNotes : This Case uses a 7/8 in. Diameter Cross Pin Shaft; If You Have the Older Design which used a 3/4 in. Cross Pin Shaft You will also Need to Purchase Spider Gear Set YPKF8.8-S-31Axle Type : Ford 8.8 in.Spline Count : 31Product Fit : Direct FitRecommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Yukon Dura Grip case for Ford 8.8", 31 spline
Part Number: YUKYCF88DG31
Guaranteed to Fit
$385.89
Vehicle Fitment
  • 1991 Ford F-150 Custom All Engines 4WD, Ford 8.8 in.
  • 1991 Ford F-150 XL All Engines RWD, Ford 8.8 in.
  • 1991 Ford F-150 XLT Lariat All Engines 4WD, Ford 8.8 in.
Product Details
Location : RearAxle Type : Ford 8.8 in.Spline Count : 31Product Fit : Direct FitRecommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Yukon Trac Loc positraction, Ford 8.8", 31 spline
Part Number: YUKYCF318
Guaranteed to Fit
$668.89
Vehicle Fitment
  • 1991 Ford F-150 Custom All Engines 4WD, Ford 8.8 in.
  • 1991 Ford F-150 XL All Engines RWD, Ford 8.8 in.
  • 1991 Ford F-150 XLT Lariat All Engines 4WD, Ford 8.8 in.
Product Details
Location : RearAxle Type : Ford 8.8 in.Spline Count : 31Product Fit : Direct FitRecommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Yukon standard open carrier case & spiders, Ford 8.8", 31 spline
Part Number: YUKYCF3180S
Guaranteed to Fit
$383.89
Vehicle Fitment
  • 1991 Ford F-150 Custom All Engines 4WD, Ford 8.8 in.
  • 1991 Ford F-150 XL All Engines RWD, Ford 8.8 in.
  • 1991 Ford F-150 XLT Lariat All Engines 4WD, Ford 8.8 in.
Product Details
Location : RearNotes : This Unit will Work in Vehicles with Independent Rear SuspensionsAxle Type : Ford 8.8 in.Spline Count : 31Product Fit : Direct FitRecommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Yukon replacement standard open carrier case for Dana 44, 3.92 & up, 30 spline
Part Number: YUKYCD706025X
Guaranteed to Fit
$178.89
Vehicle Fitment
  • 1991 Ford F-150 Custom All Engines 4WD, Dana 44
  • 1991 Ford F-150 XL All Engines 4WD, Dana 44
  • 1991 Ford F-150 XLT Lariat All Engines 4WD, Dana 44
Product Details
Location : FrontNotes : Includes Ring Gear Bolts, Carrier Bearings and Races, Carrier Shim Kit, Roll Pin and Cover GasketAxle Type : Dana Spicer 44Spline Count : 30Gear Ratio : 3.92 and upProduct Fit : Direct FitRecommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Yukon replacement standard open carrier case for Dana 44, 3.73-down, 30 spline
Part Number: YUKYCD706024X
Guaranteed to Fit
$197.89
Vehicle Fitment
  • 1991 Ford F-150 Custom All Engines 4WD, Dana 44
  • 1991 Ford F-150 XL All Engines 4WD, Dana 44
  • 1991 Ford F-150 XLT Lariat All Engines 4WD, Dana 44
Product Details
Location : FrontNotes : Includes Carrier Shims, Roll Pin, Ring Gear Bolts and a Cover GasketAxle Type : Dana Spicer 44Gear Ratio : 3.73 and belowProduct Fit : Direct FitRecommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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Product Questions & Answers

Q:will this rear carrier come with the clutch packs?
Jonatan G.
A:BEST ANSWERHi Jonathan, I'm glad to assist you. There is no mention of any clutch pack included as per our supplier's technical details (https://www.yukongear.com/shop/yc-f3180-s). If good. Grab our promo price, which has a 30-day post-purchase price match guarantee. Happy shopping! https://www.carparts.com/differential-case/yukon-gear-and-axle/yukycf3180s?can=cpje1043_CSQA_20230521 Show less
Jeonino E.
 
3 Questions, 1 AnswerView all Q&As >

Helpful Automotive Resources

Your Guide to How Spider Gears Work, Plus FAQs
Your Guide to How Spider Gears Work, Plus FAQsInside the differential case, there are two side gears and two pinion gears. The pinion gears are technically the spider gears, but many people simply refer to all four of the gears as spider gears. A spider gear is an example of a bevel gear that rotates around the differential case.