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GM 12637617 Starter Asm

2010-2020 GM

Customer Questions & Expert Answers (11)
GM 12637617 Starter Asm
  • Part Description
    STARTER, Starter Motor
  • Manufacturer
    General Motors
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12637617
    Part DescriptionSTARTER, Starter Motor
    Other NamesStarter
    Item Dimensions8.2 x 20.8 x 11.6 inches
    Item Weight6.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12637617
    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
    2010-2013 Cadillac CTS8 Cyl 6.2LV 2 DOOR COUPE, V 4 DOOR, V 4 DOOR SEDAN, V 4 DOOR WAGON
    2014-2020 Chevrolet Express8 Cyl 6.0L, 8 Cyl 6.0L Flex1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS
    2015-2019, 2012-2013 Chevrolet Silverado8 Cyl 6.0L, 8 Cyl 6.0L Flex2500 CREW CAB STANDARD BOX, 2500 REGULAR (CAB ONLY), 2500 REGULAR CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR (CAB ONLY), 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5
    2016-2019, 2012-2013 Chevrolet Suburban8 Cyl 6.0L Flex3/4 TON, 3500 4 DOOR UTILITY
    2014-2020 GMC Savana8 Cyl 6.0L, 8 Cyl 6.0L Flex1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER SAVANA
    2015-2019, 2012-2013 GMC Sierra8 Cyl 6.0L, 8 Cyl 6.0L Flex1 TON CREW CAB, 2500 CREW CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5
    2012-2013 GMC Yukon8 Cyl 6.0L Flex3/4 TON
  • 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 12637617 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How to remove and install a starter motor on Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL? Posted by Customer
    A:
    First of all, you need to disconnect the starter motor cable from the negative battery terminal; then on V8 models you will have to loosen the right front wheel lug nuts and raise the front part of your car using jackstands. For V6 models remove oil pan skid plate in case it is equipped and on V8 models as well remove right front wheel well splash shield. Remove if applicable a starter motor heat shield respectively and separate starter control cable and battery cable from starter motor solenoid terminals. On V8 models take off transmission cover, finally unscrew the mounting bolts of a starting engine. To install a new starter, just reverse the order of these steps ensuring that bolts are tightened according to specifications for torque.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done after detaching the battery cable for the 2014 Cadillac CTS? Posted by Customer
    A:
    Raise the vehicle and support it securely on jackstands.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Starter
    Q:
    What should you do when suspecting a malfunction in the starting circuit, and why should you not immediately attribute it to a faulty starter for the 2009 Chevrolet Express? Posted by Customer
    A:
    When suspecting a malfunction in the starting circuit, it's essential not to immediately attribute it to a faulty starter. Instead, perform a systematic inspection of various components and connections to identify the root cause. This is because several factors other than the starter can contribute to starting issues, and diagnosing the actual problem is crucial.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Starter
    Q:
    What should be done during the installation of the starter motor for the 2011 Chevrolet Express? Posted by Customer
    A:
    During the installation of the starter motor for 4.3L V6 (2018 and later), 4.8L, 5.3L, and 6.0L V8 engines, you should proceed with the installation in reverse order, ensuring that the starter motor mounting bolts are tightened to the specified torque.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Starter
    Q:
    What should be done if the starter turns over slowly for the 2010 Chevrolet Suburban? Posted by Customer
    A:
    If the starter turns over slowly, the following steps should be taken: 1. Check the starter cranking voltage. 2. Check the current drawn from the battery. 3. If the starter cranking amp values are not within the correct range, replace the starter with a new unit.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Starter
    Q:
    What should be done if the starter turns over slowly for the 2007 Chevrolet Silverado? Posted by Customer
    A:
    If the starter turns over slowly, the following steps should be taken: 1. Check the starter cranking voltage. 2. Check the current drawn from the battery. 3. If the starter cranking amp values are not within the correct range, replace the starter with a new unit.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Starter
    Q:
    What should be done on the 2010 Chevrolet Silverado after disconnecting the cables? Posted by Customer
    A:
    Remove the transmission cover.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Starter
    Q:
    What should be done if the starter is receiving voltage but does not activate of the 2010 GMC Yukon? Posted by Customer
    A:
    If the starter is receiving voltage but does not activate, the following steps should be taken: 1. Remove and check the starter/solenoid assembly on the bench. 2. Ensure that the engine is not seized. 3. If the solenoid plunger extends and rotates the pinion drive, the starter/solenoid assembly is working properly.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Starter
    Q:
    What is the final step to remove the starter motor of the 2008 GMC Yukon? Posted by Customer
    A:
    Remove the starter motor mounting bolts and remove the starter motor.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Starter
    Q:
    What should be done if the starter turns over slowly for the 2011 GMC Sierra? Posted by Customer
    A:
    If the starter turns over slowly, the following steps should be taken: 1. Check the starter cranking voltage. 2. Check the current drawn from the battery. 3. If the starter cranking amp values are not within the correct range, replace the starter with a new unit.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Starter
    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 12637617, the Right Choice

To ensure reliability, purchase GM part # 12637617 Starter Asm. It is sometimes referred to as GM Starter. 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 Cadillac CTS models. It fits Chevrolet Express, Silverado, Suburban. It also fits GMC Savana, Sierra, Yukon.

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