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GM 12552129 Timing Gear Set

1993-2007 GM

Customer Questions & Expert Answers (3)
12552129 GM Timing Gear Set Illustration 1 of 1
  • Part Description
    Sprocket, Engine Camshaft
  • Manufacturer
    General Motors
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12552129
    Part DescriptionTiming Gear Set; Sprocket, Engine Camshaft
    Item Dimensions6.8 x 6.5 x 4.5 inches
    Item Weight1.90 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12552129
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1999 Cadillac Escalade8 Cyl 5.7L1 TON CREW CAB, 3/4 TON, CREW CAB 1 TON, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, K2500 CREW CAB, K3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON
    1996-2000 Chevrolet C25008 Cyl 5.7LC2500 CREW CAB, C2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
    1996-2000 Chevrolet C35008 Cyl 5.7LC3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5, C3500 CREW CAB LONG WHEELBASE, C3500 CREW CAB SHORT WHEELBASE, C3500 EXTENDED CAB, C3500 REGULAR CAB
    1996-2002 Chevrolet Express8 Cyl 5.7L1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS
    1996-2000 Chevrolet K25008 Cyl 5.7LK2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB
    1996-2000 Chevrolet K35008 Cyl 5.7LK3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, K3500 CREW CAB LONG WHEELBASE, K3500 CREW CAB SHORT WHEELBASE, K3500 EXTENDED CAB, K3500 REGULAR CAB
    1996-1999 Chevrolet P308 Cyl 5.7LCHASSIS 1 TON MOTOR HOME HEAVY DUTY, CHASSIS DELIVERY, CHASSIS DELIVERY CUTAWAY, CHASSIS MOTOR HOME, CHASSIS MOTOR HOME CUTAWAY, MOTOR HOME CHASSIS 1 TON
    1993 Chevrolet S106 Cyl 4.3L2 DOOR
    2004-2007 Chevrolet Silverado3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 137.0
    1996-1999 Chevrolet Suburban8 Cyl 5.7L3/4 TON
    View More
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 12552129 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How do you remove the timing chain cover and the Variable Timing Sprocket for the 2007 Chevrolet Silverado? Posted by Vanesa R.
    A:
    To remove the timing chain cover, you need to follow these steps: 1. Disconnect the cable from the negative terminal of the battery. 2. Drain the cooling system. 3. Remove the cooling fan. 4. Take off the water pump. 5. Remove the drivebelt pulley. 6. Remove the vibration damper. 7. Remove the crankshaft position sensor and the wiring harness nut. 8. Remove the oil pan. 9. Disconnect the wiring harness clips from the front cover. 10. Remove the crankshaft position sensor and the camshaft position sensor with its jumper wiring harness. 11. Remove the cover bolts. 12. Separate the timing chain cover from the block. 13. Remove the crankshaft position sensor reluctor ring. 14. Measure the timing chain free play. 15. Replace the chain and sprockets if necessary. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jose / Jul 21, 2022
    Q:
    How do you remove the timing chain cover and the Variable Timing Sprocket for the 2007 GMC Sierra? Posted by Thravia C.
    A:
    To remove the timing chain cover, you need to follow these steps: 1. Disconnect the cable from the negative terminal of the battery. 2. Drain the cooling system. 3. Remove the cooling fan. 4. Take off the water pump. 5. Remove the drivebelt pulley. 6. Remove the vibration damper. 7. Remove the crankshaft position sensor and the wiring harness nut. 8. Remove the oil pan. 9. Disconnect the wiring harness clips from the front cover. 10. Remove the crankshaft position sensor and the camshaft position sensor with its jumper wiring harness. 11. Remove the cover bolts. 12. Separate the timing chain cover from the block. 13. Remove the crankshaft position sensor reluctor ring. 14. Measure the timing chain free play. 15. Replace the chain and sprockets if necessary. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Raul / Jan 23, 2024

Genuine GM Part 12552129, the Right Choice

To ensure reliability, purchase GM part # 12552129 Timing Gear Set. It is sometimes referred to as GM Cam Gear, GM Variable Timing Sprocket. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Cadillac Escalade models. It fits Chevrolet P30, S10, Silverado. It also fits GMC C2500, Sierra, Suburban.

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