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1999 GMC Yukon
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1999 GMC Yukon

1999 GMC Yukon Differential Cases

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Yukon 30 spline standard open loaded carrier case, GM 8.6
Yukon Gear & Axle®
Yukon 30 spline standard open loaded carrier case, GM 8.6
Part Number: YUKYCG40048044
Guaranteed to Fit
$445.89
Vehicle Fitment
  • 1999 GMC Yukon SLT All Engines RWD, GM 8.6 in.
  • 1999 GMC Yukon Denali All Engines 4WD, GM 8.6 in.
  • 1999 GMC Yukon SLE All Engines RWD, GM 8.6 in.
Product Details
Location : RearAxle Type : GM 8.6 in.Product 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, GM 9.5" & 9.25" IFS, loaded
Yukon Gear & Axle®
Yukon standard open carrier case, GM 9.5" & 9.25" IFS, loaded
Part Number: YUKYCG40013506
Guaranteed to Fit
$527.89
Vehicle Fitment
  • 1999 GMC Yukon SLT All Engines RWD, GM 9.5 in.
  • 1999 GMC Yukon Denali All Engines 4WD, GM 9.5 in.
  • 1999 GMC Yukon SLE All Engines 4WD, GM 9.5 in.
Product Details
Location : RearNotes : Carriers in GM & Dodge 9.25 in. Fronts Have Same Deck Height; Dodge Housings Run a Thick Gear. If installed into a Dodge Housing with a GM Gear, Will Need Ring Gear Spacer MRG925AAxle Type : GM 9.25 in.Product 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, GM 8.5", 2.73 & up
Yukon Gear & Axle®
Yukon standard open carrier case, GM 8.5", 2.73 & up
Part Number: YUKYCG26010481
Guaranteed to Fit
$217.89
Vehicle Fitment
  • 1999 GMC Yukon SLT All Engines 4WD, GM 8.5 in.
  • 1999 GMC Yukon Denali All Engines 4WD, GM 8.5 in.
  • 1999 GMC Yukon SLE All Engines 4WD, GM 8.5 in.
Product Details
Location : RearAxle Type : GM 8.5 in.Spline Count : 28 or 30Gear Ratio : 2.73 and upProduct 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, GM 8.25" IFS 3.42 & Up
Yukon Gear & Axle®
Yukon standard open carrier case, GM 8.25" IFS 3.42 & Up
Part Number: YUKYCG26018131
Guaranteed to Fit
$270.89
Vehicle Fitment
  • 1999 GMC Yukon SLT All Engines 4WD, GM 8.25 in.
  • 1999 GMC Yukon Denali All Engines 4WD, GM 8.25 in.
  • 1999 GMC Yukon SLE All Engines 4WD, GM 8.25 in.
Product Details
Location : FrontAxle Type : GM 8.25 in.Gear Ratio : 3.42 and upProduct 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.

Differential Case - Direct Fit, Sold individually
Yukon Gear & Axle®
Differential Case - Direct Fit, Sold individually
Part Number: YUKYCGM85DG3
Guaranteed to Fit
$385.89
Vehicle Fitment
  • 1999 GMC Yukon SLT All Engines RWD, GM 8.6 in.
  • 1999 GMC Yukon Denali All Engines 4WD, GM 8.5 in., GM 8.6 in.
  • 1999 GMC Yukon SLE All Engines 4WD, GM 8.5 in., GM 8.6 in.
Product Details
Location : RearProduct Fit : Direct FitRecommended Use : OE ReplacementWarranty : 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, GM 8.25" IFS, loaded
Yukon Gear & Axle®
Yukon standard open carrier case, GM 8.25" IFS, loaded
Part Number: YUKYCG26067130
Guaranteed to Fit
$460.89
Vehicle Fitment
  • 1999 GMC Yukon SLT All Engines 4WD, GM 8.25 in.
  • 1999 GMC Yukon Denali All Engines 4WD, GM 8.25 in.
  • 1999 GMC Yukon SLE All Engines 4WD, GM 8.25 in.
Product Details
Location : FrontNotes : This Carrier will Not Work in All Wheel Drive ApplicationsAxle Type : GM 8.25 in.Gear Ratio : 3.42 and upProduct 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.

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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.