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1989 Ford Aerostar

1989 Ford Aerostar Differential Cases

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Yukon Replacement Standard Open Carrier Case for Dana 30 Diff, 3.73 & Up Ratio
Part Number: YUKYCD706008
Guaranteed to Fit
$148.89
Vehicle Fitment
  • 1989 Ford Aerostar Base All Engines RWD, Dana 30
  • 1989 Ford Aerostar XL Plus All Engines RWD, Dana 30
  • 1989 Ford Aerostar XLT Plus All Engines RWD, Dana 30
  • 1989 Ford Aerostar Eddie Bauer All Engines RWD, Dana 30
  • 1989 Ford Aerostar XLT All Engines RWD, Dana 30
  • 1989 Ford Aerostar XL All Engines RWD, Dana 30
Product Details
Location : RearAxle Type : Dana Spicer 30Gear Ratio : 3.73 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 replacement standard open carrier case for Dana 30, 3.54 & down
Part Number: YUKYCD706007
Guaranteed to Fit
$167.89
Vehicle Fitment
  • 1989 Ford Aerostar Base All Engines RWD, Dana 30
  • 1989 Ford Aerostar XL Plus All Engines RWD, Dana 30
  • 1989 Ford Aerostar XLT Plus All Engines RWD, Dana 30
  • 1989 Ford Aerostar Eddie Bauer All Engines RWD, Dana 30
  • 1989 Ford Aerostar XLT All Engines RWD, Dana 30
  • 1989 Ford Aerostar XL All Engines RWD, Dana 30
Product Details
Location : RearAxle Type : Dana Spicer 30Gear Ratio : 3.54 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 replacement standard open carrier case for Dana 30, 3.73 & up only
Part Number: YUKYCD706008X
Guaranteed to Fit
$199.89
Vehicle Fitment
  • 1989 Ford Aerostar Base All Engines RWD, Dana 30
  • 1989 Ford Aerostar XL All Engines RWD, Dana 30
  • 1989 Ford Aerostar XL Plus All Engines RWD, Dana 30
  • 1989 Ford Aerostar XLT Plus All Engines RWD, Dana 30
  • 1989 Ford Aerostar Eddie Bauer All Engines RWD, Dana 30
  • 1989 Ford Aerostar XLT All Engines RWD, Dana 30
Product Details
Location : RearNotes : Includes Ring Gear Bolts, Carrier Shim Kit, Roll Pin, and Cover GasketAxle Type : Dana Spicer 30Gear Ratio : 3.73 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.

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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.