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Pontiac 19420423 Crankshaft Balance

1994-2005 Pontiac

Customer Questions & Expert Answers (2)
19420423 GM Crankshaft Balance Illustration 1 of 1
  • Part Description
    Balancer, Engine Crankshaft And Camshaft Balancer
  • Replaces
    24504609
  • Manufacturer
    General Motors
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Pontiac
    Manufacturer Part Number19420423
    Part DescriptionCrankshaft Balance; Balancer, Engine Crankshaft And Camshaft Balancer
    ConditionNew
    Replaces24504609
    ManufacturerGeneral Motors
    SKU19420423
    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
    2001-2005 Pontiac Aztek6 Cyl 3.4LAZTEK, GT AWD
    1994-2005 Pontiac Grand Am6 Cyl 3.1L, 6 Cyl 3.4LGT 2 DOOR, GT 2 DOOR COUPE, GT 4 DOOR, GT1 2 DOOR, GT1 2 DOOR COUPE, GT1 4 DOOR, SE 2 DOOR, SE 4 DOOR, SE 4 DOOR SEDAN, SE1 2 DOOR, SE1 4 DOOR
    1994-2003 Pontiac Grand Prix6 Cyl 3.1L2 DOOR, 4 DOOR, GT 2 DOOR, GT 4 DOOR, GTP 2 DOOR, GTP 4 DOOR, SE 2 DOOR, SE 4 DOOR
    1999-2005 Pontiac Montana6 Cyl 3.4L2/SLIDING DOORS, AWD EXT 2/SLIDING DOORS, EXT, EXT 2/SLIDING DOORS, MONTANA, SPECIAL 2/SLIDING DOORS
    1996-1998 Pontiac Trans Sport6 Cyl 3.4L2/SLIDING DOORS, EXT, EXT 2/SLIDING DOORS, TRANS SPORT
  • 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 19420423 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How to remove the oil pan and properly install the Harmonic Balancer assembly in 2.5L four cylinder engine on Pontiac Grand Prix? Posted by Kodey L.
    A:
    The oil pan can be removed in the following manner, Bolts which hold the harmonic balancer assembly should be loosened first and then the assembly should be lowered gently. This is followed by rotating the engine so that either the number 1 or 4 cylinder is at the Top Dead Center. Place the balancer assembly with the balance weights at BOC with plus or minus one-half gear tooth acceptance. It is necessary that the end of the housing without the dowel pins comes into contact with the engine block surface; if it comes out of contact, then the gears will not engage and there could be defects. Next, replace the retaining bolts and one will tighten them in the pattern like an "X" crossover pattern after that; replace the oil pan.
    You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Oct 09, 2025

Genuine GM Part 19420423, the Right Choice

To ensure reliability, purchase GM part # 19420423 Crankshaft Balance. It is sometimes referred to as Pontiac Harmonic Balancer. 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 Pontiac Aztek, Grand Am, Grand Prix models.

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