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1988 Ford F-250

1988 Ford F-250 Differential Lockers

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Spartan Locker For Dana 44, (Not D44-Hd) 30 Spline Axles, With Cross Pin Shaft
Part Number: YSTSLD4430
Guaranteed to Fit
$537.49
Vehicle Fitment
  • 1988 Ford F-250 XL All Engines 4WD, Dana 44
  • 1988 Ford F-250 XLT Lariat All Engines 4WD, Dana 44
  • 1988 Ford F-250 Custom All Engines 4WD, Dana 44
Product Details
Location : FrontAxle Type : Dana Spicer 44Spline Count : 30Product Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 1 year USA Standard Gear limited warrantyProp 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.

Spartan Locker For Dana 60, 35 Spline Axles, Includes Heavy-Duty Cross Pin Shaft
Part Number: YSTSLD6035
Guaranteed to Fit
$713.99
Vehicle Fitment
  • 1988 Ford F-250 XL All Engines 4WD, DANA 60
  • 1988 Ford F-250 XLT Lariat All Engines 4WD, DANA 60
  • 1988 Ford F-250 Custom All Engines 4WD, DANA 60
Product Details
Location : FrontAxle Type : Dana Spicer 60Spline Count : 35Product Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 1 year USA Standard Gear limited warrantyProp 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.

Dana 50 Yukon Dura Grip Limited Slip, 30spl, IFS with YSPSPR-001 Spring Kit
Part Number: YUKYDGD50301
Guaranteed to Fit
$734.89
Vehicle Fitment
  • 1988 Ford F-250 XL All Engines 4WD
  • 1988 Ford F-250 XLT Lariat All Engines 4WD
  • 1988 Ford F-250 Custom All Engines 4WD
Product Details
Location : FrontNotes : Yukon Recommends the use of High Grade GL-5 Gear Oil and Yukon LSD (Limited Slip Differential) Additive for Long Life and Smooth OperationAxle Type : Dana Spicer 50Spline Count : 30Series : Yukon Gear Dura Grip Limited Slip SeriesProduct Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 1 year Yukon Gear & Axle limited warrantyProp 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.

Promotions : Yukon Ultimate Summer Rebate
Dana 44 3.92 & Up Dura Grip Limited Slip, 30spl, IFS w/ YSPSPR-001 Spring Kit
Part Number: YUKYDGD444301
Guaranteed to Fit
$792.89
Vehicle Fitment
  • 1988 Ford F-250 All Submodels All Engines
Product Details
Location : FrontNotes : Doubled Drilled for 7/16 in. and 1/2 in. Ring Gear Bolts; Must use YSPBLT-027 to Work with 3/8 in. Ring Gear Bolts; Recommend High Grade GL-5 Gear Oil and Yukon LSD AdditiveAxle Type : Dana Spicer 44Spline Count : 30Gear Ratio : 3.92 and upSeries : Yukon Gear Dura Grip Limited Slip SeriesProduct Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 1 year Yukon Gear & Axle limited warrantyProp 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.

Promotions : Yukon Ultimate Summer Rebate
Dana 44 3.73 & Down Dura Grip Limited, Slip 30spl, IFS w/ YSPSPR-001 Spring Kit
Part Number: YUKYDGD443301
Guaranteed to Fit
$799.89
Vehicle Fitment
  • 1988 Ford F-250 XL All Engines 4WD
  • 1988 Ford F-250 XLT Lariat All Engines 4WD
  • 1988 Ford F-250 Custom All Engines 4WD
Product Details
Location : FrontNotes : Doubled Drilled for 7/16 in. and 1/2 in. Ring Gear Bolts; Must use YSPBLT-027 to Work with 3/8 in. Ring Gear Bolts; Recommend High Grade GL-5 Gear Oil and Yukon LSD AdditiveAxle Type : Dana Spicer 44Spline Count : 30Gear Ratio : 3.73 and downSeries : Yukon Gear Dura Grip Limited Slip SeriesProduct Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 1 year Yukon Gear & Axle limited warrantyProp 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.

Promotions : Yukon Ultimate Summer Rebate
Yukon Grizzly locker, Dana 50, 30 spline.
Part Number: YUKYGLD5030
Guaranteed to Fit
$964.89
Vehicle Fitment
  • 1988 Ford F-250 XL All Engines 4WD, Dana 50
  • 1988 Ford F-250 XLT Lariat All Engines 4WD, Dana 50
  • 1988 Ford F-250 Custom All Engines 4WD, Dana 50
Product Details
Location : FrontNotes : Dana 50, 30 spline.Spline Count : 30Product Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 1 year Yukon Gear & Axle limited warrantyProp 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.

Promotions : Yukon Ultimate Summer Rebate
Dana 44 Grizzly Locker replacement
Part Number: YUKYGLD44430
Guaranteed to Fit
$966.89
Vehicle Fitment
  • 1988 Ford F-250 XL All Engines 4WD, Dana 44 IFS
  • 1988 Ford F-250 XLT Lariat All Engines 4WD, Dana 44 IFS
  • 1988 Ford F-250 Custom All Engines 4WD, Dana 44 IFS
Product Details
Location : FrontNotes : Will Not Work with Early Tapered Axle Designs that use Axle Spacer Button; Unit is Drilled for 7/16 in. Ring Gear Bolts; If using 3/8 in. Bolts, Purchase QTY 10 YSPBLT-027 SpacersSpline Count : 30Gear Ratio : 3.92 and upProduct Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 1 year Yukon Gear & Axle limited warrantyProp 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.

Promotions : Yukon Ultimate Summer Rebate
Yukon Grizzly locker, fits Dana 44, 30 spline, 3.73 & down.
Part Number: YUKYGLD44330
Guaranteed to Fit
$999.89
Vehicle Fitment
  • 1988 Ford F-250 XL All Engines 4WD, Dana 44 IFS
  • 1988 Ford F-250 XLT Lariat All Engines 4WD, Dana 44 IFS
  • 1988 Ford F-250 Custom All Engines 4WD, Dana 44 IFS
Product Details
Location : FrontNotes : Unit is Drilled for 7/16 in. Ring Gear Bolts; If using an Application which Has 3/8 in. Ring Gear Bolts, Purchase Qty 10 of Part # YSPBLT-027 to Sleeve the Ring Gear BoltsSpline Count : 30Gear Ratio : 3.73 and downProduct Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 1 year Yukon Gear & Axle limited warrantyProp 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.

Promotions : Yukon Ultimate Summer Rebate
Yukon Dura Grip Limited Slip Positraction, Ford 10.25” & 10.5” Diffs, 35 Spline
Part Number: YUKYDGF1025351
Guaranteed to Fit
$1,068.89
Vehicle Fitment
  • 1988 Ford F-250 XL All Engines RWD
  • 1988 Ford F-250 XLT Lariat All Engines 4WD
  • 1988 Ford F-250 Custom All Engines RWD
Product Details
Location : RearNotes : Yukon Recommends the use of High Grade GL-5 Gear Oil and Two Bottles of Yukon LSD (Limited Slip Differential) Additive for Long Life and Smooth OperationAxle Type : Ford 10.25 in., 10.5 in.Spline Count : 35Series : Yukon Gear Dura Grip Limited Slip SeriesProduct Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 1 year Yukon Gear & Axle limited warrantyProp 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.

Promotions : Yukon Ultimate Summer Rebate
Yukon Grizzly Locker for Dana 60, 4.10 & down, 40 spline
Part Number: YUKYGLD60340
Guaranteed to Fit
$1,085.89
Vehicle Fitment
  • 1988 Ford F-250 XL All Engines 4WD, DANA 60
  • 1988 Ford F-250 XLT Lariat All Engines 4WD, DANA 60
  • 1988 Ford F-250 Custom All Engines 4WD, DANA 60
Product Details
Location : FrontNotes : This Locker is Not Compatible with C-Clip AxlesSpline Count : 40Gear Ratio : 4.10 and downProduct Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 1 year Yukon Gear & Axle limited warrantyProp 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.

Promotions : Yukon Ultimate Summer Rebate
Yukon Grizzly Locker for Ford 10.25" & 10.5" Differentials, 35 Spline
Part Number: YUKYGLF102535
Guaranteed to Fit
$1,148.89
Vehicle Fitment
  • 1988 Ford F-250 XL All Engines RWD, Ford 10.25 in.
  • 1988 Ford F-250 XLT Lariat All Engines RWD, Ford 10.25 in.
  • 1988 Ford F-250 Custom All Engines RWD, Ford 10.25 in.
Product Details
Location : RearNotes : Ford 10.25" & 10.5" with 35 splines.Axle Type : Ford 10.25 in., 10.5 in.Spline Count : 35Product Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 1 year Yukon Gear & Axle limited warrantyProp 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.

Promotions : Yukon Ultimate Summer Rebate
Yukon Grizzly Locker for Dana 60, 4.56 & up, 40 spline
Part Number: YUKYGLD60440
Guaranteed to Fit
$1,161.89
Vehicle Fitment
  • 1988 Ford F-250 XL All Engines 4WD, DANA 60
  • 1988 Ford F-250 XLT Lariat All Engines 4WD, DANA 60
  • 1988 Ford F-250 Custom All Engines 4WD, DANA 60
Product Details
Location : FrontNotes : This Locker is Not Compatible with C-Clip AxlesSpline Count : 40Gear Ratio : 4.56 and upProduct Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 1 year Yukon Gear & Axle limited warrantyProp 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.

Promotions : Yukon Ultimate Summer Rebate
Yukon Zip Locker for Dana 44 with 30 spline axles, 3.92 & up
Part Number: YUKYZLD44430
Guaranteed to Fit
$1,245.89
Vehicle Fitment
  • 1988 Ford F-250 XL All Engines 4WD, Dana 44
  • 1988 Ford F-250 XLT Lariat All Engines 4WD, Dana 44
  • 1988 Ford F-250 Custom All Engines 4WD, Dana 44
Product Details
Location : FrontNotes : Drilled for 7/16 in. Ring Gear Bolts; If using 3/8 in. Ring Gear Bolts, Purchase Qty 10 of Part Number YSPBLT-027 to Sleeve the Ring Gear BoltsAxle Type : Dana Spicer 44Spline Count : 30Gear Ratio : 3.92 and upProduct Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 6-year Yukon Gear & Axle limited warrantyProp 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 Zip Locker for Dana 44 with 30 spline axles, 3.73 & down
Part Number: YUKYZLD44330
Guaranteed to Fit
$1,245.89
Vehicle Fitment
  • 1988 Ford F-250 XL All Engines 4WD, Dana 44
  • 1988 Ford F-250 XLT Lariat All Engines 4WD, Dana 44
  • 1988 Ford F-250 Custom All Engines 4WD, Dana 44
Product Details
Location : FrontNotes : Drilled for 7/16 in. Ring Gear Bolts; If using 3/8 in. Ring Gear Bolts, Purchase Qty 10 of Part Number YSPBLT-027 to Sleeve the Ring Gear BoltsAxle Type : Dana Spicer 44Spline Count : 30Gear Ratio : 3.73 and downProduct Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 6-year Yukon Gear & Axle limited warrantyProp 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 Zip Locker for Ford 10.25" & 10.5", full float only.
Part Number: YUKYZLF102535
Guaranteed to Fit
$1,399.89
Vehicle Fitment
  • 1988 Ford F-250 XL All Engines RWD, Ford 10.25 in.
  • 1988 Ford F-250 XLT Lariat All Engines RWD, Ford 10.25 in.
  • 1988 Ford F-250 Custom All Engines RWD, Ford 10.25 in.
Product Details
Location : RearNotes : This Unit is Designed for Full Float Applications Only; It Does Not Have Provisions for C/ClipsAxle Type : Ford 10.25 in., 10.5 in.Spline Count : 35Product Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 6-year Yukon Gear & Axle limited warrantyProp 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.

Page 1 of 2 | Showing 1 - 15 of 18 results

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Product Questions & Answers

Q:So this diff lock is optional like you can choose when it’s locked in or not? Show Less
Tyler
A:BEST ANSWERHi Tyler, I'm glad to assist you. Yes, that is its feature. If you're interested in this differential locker, you can click on the link below for direct ordering to take advantage of our limited stocks. I hope this helps, and happy shopping. https://www.carparts.com/differential-locker/yukon-gear-and-axle/yukyzld44330?can=CPAE1047_CSQA_20231009 Show less
Arnel E.
 
1 Question, 1 AnswerView all Q&As >