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Pontiac 12591866 Seal Assembly, Crankshaft Rear Oil

1987-2010 Pontiac

Customer Questions & Expert Answers (10)
GM 12591866 Seal Assembly, Crankshaft Rear Oil
GM 12591866 Seal Assembly, Crankshaft Rear Oil
GM 12591866 Seal Assembly, Crankshaft Rear Oil
GM 12591866 Seal Assembly, Crankshaft Rear Oil
  • Part Description
    SEAL, Engine Rear Main Bearing
  • Position
    Rear
  • Replaces
    90298408, 90325572, 90280462, 90354378
  • Manufacturer
    General Motors
Make sure this part fits
$14.65 MSRP: $36.43
You Save: $21.78 (60%)
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • Related Parts

    Shop for related parts for your vehicle

  • Product Specifications

    BrandGenuine Pontiac
    Manufacturer Part Number12591866
    Part DescriptionSEAL, Engine Rear Main Bearing
    Other NamesRear Main Seal
    Item Dimensions4.5 x 4.4 x 1.1 inches
    Item Weight0.30 Pounds
    PositionRear
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces90298408, 90325572, 90280462, 90354378
    ManufacturerGeneral Motors
    SKU12591866
    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
    2007-2010 Pontiac G54 Cyl 2.2L, 4 Cyl 2.4L2 DOOR, 4 DOOR, GT 2 DOOR, GT 4 DOOR, LS 2 DOOR, LS 4 DOOR, SE 2 DOOR, SE 4 DOOR, SPORT 2 DOOR, SPORT 4 DOOR
    2006-2010 Pontiac G64 Cyl 2.4LGT 2 DOOR CONVERTIBLE, GT 2 DOOR NOTCHBACK, GT 4 DOOR NOTCHBACK, GTP 2 DOOR CONVERTIBL, GTP 2 DOOR NOTCHBACK, GXP 2 DOOR NOTCHBACK, GXP 4 DOOR NOTCHBACK, SE 4 DOOR NOTCHBACK, SE1 2 DOOR NOTCHBACK, SE1 4 DOOR NOTCHBACK
    2002-2005, 1987-1989 Pontiac Grand Am4 Cyl 2.0L, 4 Cyl 2.2L2 DOOR, 4 DOOR, GT 2 DOOR, GT 2 DOOR COUPE, GT 4 DOOR, GT1 2 DOOR, GT1 2 DOOR COUPE, GT1 4 DOOR, LE 2 DOOR, LE 4 DOOR, SE 2 DOOR, SE 4 DOOR, SE 4 DOOR SEDAN, SE1 2 DOOR, SE1 4 DOOR
    1989-1990 Pontiac LeMans4 Cyl 2.0L2 DOOR, 4 DOOR
    2005-2006 Pontiac Pursuit4 Cyl 2.0L, 4 Cyl 2.2L, 4 Cyl 2.4L2 DOOR, 4 DOOR, LEVEL 4 PERFORMANCE (SS) 2 DOOR, LEVEL 4 PERFORMANCE/SC (SS) 2 DOOR, LEVEL ONE (LS) 2 DOOR, LEVEL ONE (LS) 4 DOOR, LEVEL THREE (SS) 2 DOOR, LEVEL THREE (SS) 4 DOOR, LEVEL TWO (LT) 2 DOOR, LEVEL TWO (LT) 4 DOOR
    2006-2010 Pontiac Solstice4 Cyl 2.0L, 4 Cyl 2.4L2 DOOR CONVERTIBLE, 2 DOOR COUPE(TARGA), TURBO 2 DOOR CONVERTIBLE
    1987-1994 Pontiac Sunbird4 Cyl 2.0L2 DOOR, 4 DOOR, CONVERTIBLE, GT 2 DOOR, GT 4 DOOR, GT CONVERTIBLE, LE 2 DOOR, LE 4 DOOR, LE CONVERTIBLE, SE 2 DOOR, SE 2 DOOR NOTCHBACK, SE 2 DOOR PLAINBACK HATCHBACK, SE 4 DOOR, SE CONVERTIBLE, SE STATION WAGON, STATION WAGON
    2002-2005 Pontiac Sunfire4 Cyl 2.2L2 DOOR, 4 DOOR, GT 2 DOOR

  • Customer Questions & Expert Answers

    Q:
    I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 12591866 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How to replace a one-piece rear main oil seal for Chevrolet Cobalt,HHR and Saturn ION? Posted by Customer
    A:
    The one-piece rear crankshaft seal is pressed into the engine block and the crankcase reinforcement section. Remove the transaxle, the clutch components, if equipped, and the flywheel. Pry out the old seal with a special seal removal tool or a flat-blade screwdriver. Caution: To prevent an oil leak after the new seal is installed, be very careful not to scratch or otherwise damage the crankshaft sealing surface or the bore in the engine block. Clean the crankshaft and seal bore in the block thoroughly and degrease these areas by wiping them with a rag soaked in lacquer thinner or acetone. Lubricate the lip of the new seal and the outer diameter of the crankshaft with engine oil. Position the new seal onto the crankshaft. Make sure the edges of the new oil seal are not rolled over. Note: When installing the new seal, if so marked, the words THIS SIDE OUT on the seal must face out, toward the rear of the engine. Use a special rear crankshaft seal installation tool or a socket with the exact diameter of the seal to drive the seal in place. Make sure the seal is not off-set; it must be flush along the entire circumference of the engine block and the crankcase reinforcement section. The remainder of installation is the reverse of removal.
    Posted by GMPartsGiant Specialist
    Q:
    How to remove and install a rear main oil seal for Saturn LS and LS1? Posted by Customer
    A:
    The one-piece rear crankshaft seal is pressed into the engine block and the crankcase reinforcement section. Remove the transaxle, the clutch components, if equipped, and the flywheel. Pry out the old seal with a special seal removal tool or a flat blade screwdriver. To prevent an oil leak after the new seal is installed, be very careful not to scratch or otherwise damage the crankshaft sealing surface or the bore in the engine block. Clean the crankshaft and seal bore in the block thoroughly and degrease these areas by wiping them with a rag soaked in lacquer thinner or acetone. Lubricate the lip of the new seal and the outer diameter of the crankshaft with engine oil. Position the new seal onto the crankshaft. Make sure the edges of the new oil seal are not rolled over. When installing the new seal, if so marked, the words THIS SIDE OUT on the seal must face out, toward the rear of the engine. Use a special rear crankshaft seal installation tool or a socket with the exact diameter of the seal to drive the seal in place. Make sure the seal is not off-set; it must be flush along the entire circumference of the engine block and the crankcase reinforcement section. The remainder of installation is the reverse of removal.
    Posted by GMPartsGiant Specialist
    Q:
    What are the final steps in the installation process for the 2007 Chevrolet Cobalt? Posted by Customer
    A:
    Install a new center bolt and tighten it to the specified torque. Ensure you use a new pulley bolt. The remainder of the installation is the reverse of the removal procedure. Finally, reconnect the battery.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    How should the 2007 Chevrolet HHR be prepared for this task? Posted by Customer
    A:
    To prepare the vehicle, raise it and support it securely on jackstands. Additionally, remove the splash shield from below the engine compartment by removing the splash shield mounting bolts.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What should be checked before installing the crankshaft pulley for the 2012 GMC Acadia? Posted by Customer
    A:
    Check the surface on the pulley hub that the oil seal rides on. If the surface has been grooved from long-time contact with the seal, the pulley should be replaced with a new one.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What needs to be removed before accessing the rear main oil seal for the 2011 GMC Acadia? Posted by Customer
    A:
    The driveplate and oil pan need to be removed.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    How is the crankshaft front oil seal removed for the 2000 Saturn LS? Posted by Customer
    A:
    Use a seal puller to remove the crankshaft front oil seal.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    How is the crankshaft pulley removed for the 2007 Saturn ION? Posted by Customer
    A:
    Use a breaker bar and socket to remove the crankshaft pulley center bolt. A large pin spanner can be used to prevent the pulley from rotating while the bolt is loosened. Discard the old bolt and obtain a new one for installation. It's necessary to lock the pulley in position using a strap wrench or a large pin spanner. Wrap a length of the old drivebelt around the pulley for a good grip if using a strap wrench. Slide the puller off the nose of the crankshaft. If the pulley is stuck, use a puller that bolts to the three threaded holes in the pulley hub. Additionally, use a spacer to avoid damaging the crankshaft.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    How should you secure the 2000 Saturn LS before working on it? Posted by Customer
    A:
    Raise the vehicle and support it securely on jackstands.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 12591866, the Right Choice

To ensure reliability, purchase GM part # 12591866 Seal Assembly, Crankshaft Rear Oil. It is sometimes referred to as Pontiac Crankshaft Seal. 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 G5, Grand Am, Pursuit models.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 12591866 Seal Assembly, Crankshaft Rear Oil. You're certainly in the right place if you're searching for the great cost-effective OEM GM parts. Look no further than our vast inventory of genuine GM parts offered at unbeatable online prices, all of which are backed by the manufacturer's warranty. Not to forget, our hassle-free return policy and quick delivery service ensure a smooth shopping experience for you. For detailed Pontiac parts information, click here.

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