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GMC Sierra 1500 HD Steering Gearboxes
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Part Number: A1277589
Vehicle Info Required to Guarantee Fit
$149.49
+ $66.98 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: 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: A1977589GB
Vehicle Info Required to Guarantee Fit
$347.99
Product Details
Warranty : 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
$358.99
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.
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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 >
Q:How do I know if this is the proper steering gear box for my truck?
John B.
A:BEST ANSWERHi John, I'm pleased to assist you. Tell us the vehicle information so we can verify the fitment of this part. You may also need to physically inspect the old part for reference. Should you need further assistance, feel free to call us at 1-866-529-0412. Take advantage of our 30-day price match guarantee. Click this link to order this part: https://www.carparts.com/steering-gearbox/a1-cardone/a1277587?can=CPAP3648
I hope this is helpful. Enjoy shopping at Carparts.com! Show less
Aldrin P.
4 Questions, 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