No Image Available

Engine - GM (89017670)

  • $2,809.99
  • $78.68 (3% off)
  • $2,731.31
  • $200.00

No Image Available

Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 89017670
  • Engine
Manufacturer Warranty Minimum of 12 Months
Guaranteed Fitment Always the correct parts
Shop with Confidence Your information is safe
In-House Experts We know our products

Product Details

  • You enjoy driving your Buick LaCrosse or Pontiac Grand Prix. Either of these vehicles provides you with handling and performance that make your daily commute almost pleasant. When you start to notice wear from your engine, consider replacing the motor in your car. It’s less expensive than doing continuous repairs to a failing engine. Continue enjoying the ride, and replace your motor with part number 89017670. This genuine GM 3.8L V6 231 cu engine is a smart choice when you want to keep your vehicle.

    This GM 3.8L V6 231 replaces the original GM engine. It includes the block, pin and piston assembly, crankshaft bearings and the rear seal. It has a number of fitments without a supercharger, so check the list below for the exact model.

    If your engine has high miles on it, you may notice one of the following signs of engine trouble:

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

    Keep enjoying your Buick or Pontiac with a genuine OEM GM engine from All GM parts are exact fit replacement parts and are built to meet the high standards of GM. has been selling GM engines for years, and we have an experienced parts staff who can answer any of your engine questions. We offer free shipping on powertrain parts. Get years more use from your Pontiac. Order your new 3.8L V6 today.

  • Does Not Include: Engine Electrical Or Exhaust Manifolds.
  • 3.8L.
  • GM is one of the leaders when it comes to cranking out quality made cars, trucks and SUVs. None of that changes when it comes to OEM parts and accessories on GM Parts Online. Keep you car running GM new with OEM affordable parts and accessories with GM Parts Online. 

This Part Fits

Year Make Model Make Model Year Body & Trim Engine & Transmission
2005 Buick LaCrosse Buick LaCrosse 2005 CX, CXL 3.8L V6 - Gas
2005 Pontiac Grand Prix Pontiac Grand Prix 2005 Base, GT 3.8L V6 - Gas

GM Parts Online

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 radiator for your GMC pickup or a part for discontinued brands like Pontiac or Saturn, we’ve got the expertise to find the part and get it ready to ship. If you have a question, a problem, or just need help looking up a part, please call.

Read More about GM Parts Online