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Chevrolet Express 2500 Steering Gearboxes
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Part Number: A1278418
Vehicle Info Required to Guarantee Fit
$207.99
+ $126.36 Refundable Core Charge
Product Details
Notes : 0.66 in. Diameter Input Shaft; 1.25 in. Output Shaft Diameter; M18 x 1.5 Pressure Port Thread Size; M16 x 1.5 Return Port Thread Size; Double Flat Input Shaft Type; Standard Pump Rotation; 3.2 Total Turns Lock to LockWarranty : 3-year or 36,000-mile A1 Cardone limited warrantyQuantity Sold : Sold individuallyCondition : RemanufacturedSeries : Reman SeriesOperation : PowerRecommended Use : OE ReplacementProduct Fit : Direct Fit
Part Number: A1277587
Vehicle Info Required to Guarantee Fit
$202.99
+ $120.96 Refundable Core Charge
Product Details
Notes : 0.66 in. Diameter Input Shaft; 1.25 in. Output Shaft Diameter; M18 x 1.5 Pressure Port Thread Size; M16 x 1.5 Return Port Thread Size; Double Flat Input Shaft Type; Standard Pump Rotation; 3.3 Total Turns Lock to LockWarranty : 3-year or 36,000-mile A1 Cardone limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :
WARNING: 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.
Part Number: A1277555
Vehicle Info Required to Guarantee Fit
$146.99
+ $110.90 Refundable Core Charge
Product Details
Notes : 0.73 in. Dia and 25 + Flat & Groove Spline Count Input Shaft; 1.25 in. Output Shaft Dia; M18 x 1.5 Pressure Prt Thrd Size; M16 x 1.5 Return Prt Thrd Size; Splined, Single Flat Input Shaft Type; Reverse Pump Rotation; 2.6 to 3.3 Total Trns Lck-LckWarranty : 3-year or 36,000-mile A1 Cardone limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :
WARNING: 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.
Part Number: A1978418GB
Vehicle Info Required to Guarantee Fit
$364.99
Product Details
Warranty : Lifetime A1 Cardone limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :
WARNING: 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.
Part Number: A1277572
Vehicle Info Required to Guarantee Fit
$190.49
+ $135.00 Refundable Core Charge
Product Details
Notes : 0.73 in. Dia and 25 + Flat & Groove Spline Count Input Shaft; 1.25 in. Output Shaft Dia; M18 x 1.5 Pressure Prt Thrd Size; M16 x 1.5 Return Prt Thrd Size; Splined, Single Flat Input Shaft Type; Reverse Pump Rotation; 3.1 Total Trns Lck-LckWarranty : 3-year or 36,000-mile A1 Cardone limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :
WARNING: 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 gearbox #97-8418GB fit my 2003 GMC SIERRA 2500 HD SLE 6.6L DURAMAX? If not what is the issue that prevents the fitment? Also why is a seal kit in the description, how is a seal kit applicable? Show Less
Steve N.
A:BEST ANSWERHi , thank you for reaching out. No, this will not fit. We have two listed for that truck. You can use the link below to see both. Do not forget to read the vehicle fitment information as they differ in spline count and and the number of banks on the sector shaft. You will have to check which one you have. Have a good one!
https://www.carparts.com/search?q=Steering_Gearbox&vehicle[cylinders]=8&vehicle[liter]=6%2E6&vehicle[submodel]=SLE&vehicle[model]=Sierra_2500_HD&vehicle[make]=GMC&vehicle[year]=2003&filters[universal]=false&can=cpab2020_csqa_20220908 Show less
Andrew B.
1 Question, 1 AnswerView all Q&As >
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Helpful Automotive Resources
A Definitive Guide to Understanding Parallelogram Steering LinkagesIn a parallelogram steering system, the opposing sides are parallel at an equal distance, hence the name. The steering linkage has an idler arm on the right side and a pitman arm on the left. These two components help stabilize the center link, preventing it from bobbing up and down
A Handy Guide to Steering Box AdjustmentThe steering gear box is arguably the most important component of your vehicle’s steering system. It performs a variety of functions. For example, it allows you to control the angular turning of your vehicle’s wheels by simply rotating the steering wheel. This way, drivers have better control over their vehicles