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Chevrolet 12640448 Pump,Oil

2008-2024 Chevrolet

Customer Questions & Expert Answers (3)
GM 12640448 Pump,Oil
  • Part Description
    PUMP, Engine Oil Pump
  • Replaces
    12590152, 12584298, 12590016
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number12640448
    Part DescriptionPUMP, Engine Oil Pump
    Other NamesOil Pump, Water Pump
    Item Dimensions9.9 x 5.3 x 5.4 inches
    Item Weight3.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12590152, 12584298, 12590016
    ManufacturerGeneral Motors
    SKU12640448
    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
    2022-2024, 2010-2015 Chevrolet Camaro6 Cyl 3.6L, 8 Cyl 6.2L2 DOOR CONVERTIBLE, 2 DOOR CONVERTIBLE HI PERFORMANCE, 2 DOOR CONVERTIBLE HIGH PERFORMANCE, 2 DOOR COUPE, 2 DOOR COUPE HI PERFORMANCE, 2 DOOR COUPE HIGH PERFORMANCE, LS 2 DOOR COUPE, LT 2 DOOR CONVERTIBLE, LT 2 DOOR COUPE
    2012-2015 Chevrolet Captiva Sport6 Cyl 3.0LSPORT LT FWD
    2015-2016 Chevrolet Colorado6 Cyl 3.6LCREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB LS - 6'2" BOX, CREW CAB LT - 6'2" BOX, EXTENDED CAB - 6'2" BOX, LS CREW CAB - 5'2" BOX, LS EXTENDED CAB - 6'2" BOX, LT CREW CAB - 5'2" BOX, LT EXTENDED CAB - 6'2" BOX
    2008-2017 Chevrolet Equinox6 Cyl 3.0L, 6 Cyl 3.6LLT SUV, LTZ SUV, SS SUV AWD, SS SUV FWD, SUV AWD, SUV FWD, SUV LT AWD, SUV LT FWD
    2012-2020 Chevrolet Impala6 Cyl 3.6LLS, LS 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK, LTZ, LTZ 4 DOOR NOTCHBACK
    2008-2012 Chevrolet Malibu6 Cyl 3.6L4 DOOR HYBRID, LS 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK, LTZ 4 DOOR NOTCHBACK
    2009-2024 Chevrolet Traverse6 Cyl 3.6L1LT/2LT EXTENDED 4 DOOR SUV, 1LZ/2LZ EXTENDED 4 DOOR SUV, LS EXTENDED 4 DOOR SUV, LT EXTENDED 4 DOOR SUV, LTZ EXTENDED 4 DOOR SUV, SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD, SPORT UTILITY VEHICLE AWD
  • 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 12640448 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How to remove and reinstall the oil pump in an engine? Posted by Customer
    A:
    Remove the timing chains. After noting the installed position, remove the timing chain sprocket from the crankshaft. Remove the oil pump retaining bolts and slide the pump off the end of the crankshaft (Oil pump retaining bolts). Remove the timing chain guide from the oil pump housing then remove the oil pump cover and withdraw the rotors from the pump body. Remove the snap-ring from the side of the pump housing and withdraw the cap, spring and plunger from the oil pump housing. These components are the oil pressure relief valve assembly. Clean the components with solvent, dry them thoroughly and inspect for any obvious damage. Also check the bolt holes for damaged threads and the splined surfaces on the crankshaft sprocket for any apparent damage. If any of the components are scored, scratched or worn, replace the entire oil pump assembly. There are no serviceable parts currently available. If re-using the oil pump, assemble the pressure relief valve components and the rotors to the oil pump housing. Prior to installing the cover, prime the pump by pouring clean motor oil between the rotors. Install the cover and tighten the retaining bolts. Position the oil pump over the end of the crankshaft and align the flats on the crankshaft with the flats on the oil pump drive gear. Make sure the pump is fully seated against the block. Install the oil pump mounting bolts and tighten them to the torque. The remainder of installation is the reverse of removal. Add oil and coolant as necessary. Run the engine and check for oil and coolant leaks. Check the oil pressure.
    Posted by GMPartsGiant Specialist
    Q:
    Is there an o-ring at the back of the pump around the larger diameter hole? Posted by Customer: 2009 Buick Enclave (2WD)
    A:
    NO THERE IS NOT...
    Posted by GMPartsGiant Specialist 9/8/2023
    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 12640448, the Right Choice

To ensure reliability, purchase GM part # 12640448 Pump,Oil. It is sometimes referred to as Chevrolet Oil Pump. 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 Chevrolet Camaro, Equinox, Impala models.

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