3.4L 6-Cylinder Engine Assembly - GM (12491873)

3.4L 6-Cylinder Engine Assembly - GM (12491873)

  • MSRP: $2,643.74
  • Discount: $74.02
  • Sale Price: $2,569.72
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  • Genuine:
    Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • SKU: 12491873
  • Other Names: Engine
  • Description:

    Regardless of whether you drive an Alero, Monte Carlo or Grand Am, you rely on your vehicle for more than basic transportation. You need a car you can rely on, and this one has never let you down. Unfortunately, the miles are starting to add up. It won’t be long before you have to start spending money on maintenance or repairs. 

    If you aren’t ready to buy a new car, put a new engine into the one you have. Buy part #12491873 replacement motor for your GM. Exact fitments are listed below. This is a 3.4L V6 that replaces factory 3.1L and 3.4L engines.  You get the block, piston and rods, crankshaft, crankshaft bearings, rod bearings and the rear seal.

    If you have high mileage on your car, here are some symptoms of a failing engine:

    • - Knocking or tapping under the hood
    • - Oil in your air cleaner or radiator
    • - Excessive smoke from the exhaust

    This is replacement engine from General Motors and is tested to meet or exceed GM OEM standards. It comes with a warranty. We’ve been selling genuine OEM GM replacement motors for years here at GMPartsOnline.net, so we know our engines.  Our experienced parts staff can answer any questions you might have, so feel free to call us. You get free shipping on powertrain parts when you order from us. Enjoy your GM car for a few more years – order your 3.4L engine now.

  • Condition: New
  • Replaces: 88984288, 89017445
  • Sold In Quantity: 1

Vehicle Fitment

Vehicle Fitment
Year Make Model Body & Trim Engine & Transmission
2005 Pontiac Grand Am GT, GT1, SE 3.4L V6 - Gas
2004 Oldsmobile Alero GL, GLS 3.4L V6 - Gas
2004 Pontiac Grand Am GT, GT1, SE, SE1, SE2 3.4L V6 - Gas
2003 Chevrolet Impala Base 3.4L V6 - Gas
2003 Chevrolet Monte Carlo LS, LS Competition, LS Sport 3.4L V6 - Gas
2003 Oldsmobile Alero GL, GLS 3.4L V6 - Gas
2003 Pontiac Grand Am GT, GT1, SE, SE1, SE2 3.4L V6 - Gas
(72 more fitments)

Auto Parts Express

When it comes to serving our customers, our staff has over 250 years of combined GM parts experience to serve you. Whether you’re looking for a part for your new GM vehicle or a part for a discontinued brand like Pontiac or Saturn, we’ve got the expertise to find the part and get it ready to ship. If you purchase your 2003-2005 (12491873) from us, you are guaranteed to receive a genuine OEM part designed and manufactured by GM to fit your specific 2003-2005 vehicle. All of our parts and accessories are backed by GM's Part Warranty. If you have a question, a problem, or just need help looking up a part, please Contact Us and we will be happy to help.

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