Make sure this part fits

GM 10457989
Pulley

1984-1991 GM

Customer Questions & Expert Answers (1)
GM 10457989 Pulley
  • Part Description
    Pulley, Generator; Alternator Pulley
  • Replaces
    1978065, 10476394
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Vehicle Fitment

    Year Make Model Trim Engine
    1984-1987 Buick CenturyCustom, Estate Wagon, Limited, T-Type4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L DIESEL
    1985-1987 Buick ElectraLimited, Park Avenue, T-Type6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L DIESEL
    1985 Buick RivieraBase, Luxury, T-Type6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
    1984-1989 Buick SkyhawkCustom, Limited, SE, Sport, T-Type4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
    1984-1985 Buick SkylarkCustom, Limited, T-Type4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS
    1984 Cadillac CimarronBase4 Cyl 2.0 L GAS
    1984-1985 Cadillac EldoradoBase, Biarritz8 Cyl 4.1 L GAS, 8 Cyl 5.7 L DIESEL
    1985 Cadillac SevilleBase, Elegante8 Cyl 4.1 L GAS
    1985 Chevrolet AstroBase, CL, CS4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
    1987-1991 Chevrolet BlazerCustom Deluxe, Scottsdale, Silverado8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
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    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 10457989 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 10457989 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM Pulley 10457989 Designed for Proper Fit and Performance

Demand authentic OEM GM parts for the exceptional quality and performance requirements of your vehicle. The recommended part 10457989 Pulley is also referred to as GM Alternator Pulley. We distribute these components through all certified dealer networks operating across the United States. All products have a 12-month, 12,000-mile warranty. The performance of your vehicle requires original equipment manufacturer components for proper installation. This item fits the following: Chevrolet Impala, Caprice, Blazer. GMC Jimmy, Safari, G2500. Cadillac Eldorado, Cimarron, Seville. Buick Riviera, Skylark, Century.
Genuine GM releases this high-performance Part Number: 10457989 component that uniformly functions as a Pulley to optimize your electrical system operations. The part operates in New while functioning as a Direct Replacement means it delivers flawless compatibility to match your vehicle specifications. The alternator pulley is essential because it distributes power from the engine to the alternator for producing electrical energy that powers vehicle system functions. The development of this component moved from solid pulleys through oaps to include oads. Oaps contain internal one-way clutches which provide free rotation when applied in certain directions for engine shutdowns and quick decelerations but oads absorb vibrations by using springs to create a specific "spring feel" rotation. Different alternator pulleys have specific use requirements since they cannot work interchangeably. The alternator pulley from GM comes with a factory warranty to provide both reliable performance and operational integrity for your vehicle. To access our shipping policy and return policy please visit the pages under Shipping Policy and Return Policy. Your vehicle efficiency combined with reliability depends heavily on genuine GM parts because they help defend your electrical system from problems applied by substandard parts.
The ideal choice to make when wanting an assuring quality and a flawless performance is OEM parts. These items are checked closely in terms of quality and designed to fit perfectly into GM's specifications in terms of factory completion making it very easy to install the parts. We have a large stock of OEM GM components, which also come at highly competitive prices in the market. Just in case you need any new original GM parts please be assured that we would provide them to you at your doorstep within a short period of time. In addition to this, all our pieces are covered by the manufacturer's warranty.