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GM 9439879
Pinion Bearings

1984-2014 GM

Customer Questions & Expert Answers (20)
GM 9439879 Pinion Bearings
GM 9439879 Pinion Bearings
  • Part Description
    Bearingfrt Differential Drive Pinion Gear Inner; Differential Pinion Bearing; Axle Bearing
  • Position
    Front Inner
  • Manufacturer
    General Motors
Make sure this part fits
$35.47 MSRP: $105.01
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  • Vehicle Fitment

    Year Make Model Trim Engine
    2004-2007 Buick RainierCXL, CXL Plus6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
    1990-2005 Chevrolet AstroBase, CL, CS, LS, LT4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
    1995-2005 Chevrolet BlazerBase, LS, LT, Trailblazer, ZR26 Cyl 4.3 L GAS
    1984-1987 Chevrolet ChevetteBase, CS4 Cyl 1.6 L GAS, 4 Cyl 1.8 L DIESEL
    2003-2014 Chevrolet Express 1500Base, LS, LT6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2003-2014 Chevrolet Express 2500Base, LS, LT6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    2003-2014 Chevrolet Express 3500Base, LS, LT8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    1984-2004 Chevrolet S10Baja, Base, Durango, EL, LS, Sport, Tahoe, ZR2, ZR54 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
    1984-1994 Chevrolet S10 BlazerBase, High Country, LT, Sport, Tahoe, Tahoe LT4 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
    2002-2009 Chevrolet TrailblazerBase, LS, LT, LTZ, North Face, SS6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Hey, is 9439879 a good match for my vehicle? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 9439879 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What should be done after reaching the specified torque for the 2004 Buick Rainier? Posted by Customer
    A:
    Rotate the pinion several times to ensure proper seating of the bearings, then recheck the torque and adjust if necessary.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    How do you install the inner pinion bearing for the 2007 Buick Rainier? Posted by Customer
    A:
    Use J 24433 or J 36614 to install the inner pinion bearing until the cone seats on the pinion shim, then install a new collapsible spacer and lubricate the pinion bearings.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    What should be done with the selective shim thickness for the 2004 Chevrolet Express 1500? Posted by Customer
    A:
    Determine the thickness and place it between the inner pinion bearing and the gear shoulder.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    What is the first step to replace the drive pinion bearings for the 2004 Chevrolet Blazer? Posted by Customer
    A:
    Begin by raising the vehicle and removing the tire and wheel assemblies, followed by the brake calipers and rotors.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    How is the inner pinion bearing installed for the 2002 Chevrolet Astro? Posted by Customer
    A:
    Install the inner pinion bearing with the Pinion Bearing Race Installer (J 5590), pressing until the cone seats on the pinion shim.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    How do you remove the drive pinion from the axle for the 2008 Chevrolet Express 2500? Posted by Customer
    A:
    Press the bearing off using the Split-Plate Bearing Puller (J 22912-B).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    What tools are used for the installation of the inner pinion bearing cup for the 2007 Chevrolet Express 3500? Posted by Customer
    A:
    Use the J 45704 and J 8092 for the 9.75 inch axle or the J 44417 and J 8092 for the 10.5 inch axle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    What tools are needed for installing the outer pinion bearing cup for 8.6 inch axles for the 2004 Chevrolet S10? Posted by Customer
    A:
    Use the Rear Pinion Bearing Race Installer (J8611-01) along with the Driver Handle (J8092).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    How do you install the outer pinion bearing cup for the 2008 Chevrolet Trailblazer? Posted by Customer
    A:
    Use J 7817 for the 8.0-inch axle, J 8611-01 for the 8.6-inch axle, and J 7818 for the 9.5 LD inch axle, along with J 8092.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    How do you install a new pinion oil seal for the 2005 Chevrolet Trailblazer? Posted by Customer
    A:
    Use the Pinion Oil Seal Installer (J33782) for the 8.0-inch axle or the Extension Housing Oil Pump/Seal Installer (J38694) for the 8.6-inch axle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    What is the method for removing the inner pinion bearing cup for the 2004 GMC Envoy? Posted by Customer
    A:
    Use the same method as for the outer pinion bearing cup, with a hammer and brass drift.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    How do you install the inner pinion bearing cup for the 2009 Chevrolet Trailblazer? Posted by Customer
    A:
    Use the J 8608 and J 8092, with J 8608 for the 8.0/8.6 inch axles and J 22306 for the 9.5 LD inch axle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    How do you install the pinion yoke for the 2004 GMC Safari? Posted by Customer
    A:
    Apply sealant to the splines of the pinion yoke and install the yoke, aligning it with the marks made during removal. Seat the pinion yoke onto the pinion shaft by tapping it with a soft-faced hammer until a few threads show through the yoke, then install the washer and a new pinion nut.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    What should be done after achieving the specified torque for the 2003 Chevrolet Trailblazer? Posted by Customer
    A:
    Rotate the pinion several times to ensure proper seating of the bearings, recheck the torque, and adjust if needed.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    What should be measured with an inch-pound torque wrench for the 2009 GMC Savana 2500? Posted by Customer
    A:
    Measure the rotating torque.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    What should be done with the pinion nut for the 2007 GMC Savana 3500? Posted by Customer
    A:
    Install a new pinion nut, ensuring not to reuse the old one.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    What is the next step after installing the inner pinion bearing cup for the 2010 GMC Savana 1500? Posted by Customer
    A:
    Install the outer pinion bearing cup using the J 8608 installer and J 8092 driver.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    What tool is used to install the outer pinion bearing cup for the 2006 GMC Savana 3500? Posted by Customer
    A:
    The outer pinion bearing cup is installed using the Inner Bearing Race Installer (J7818) and the Universal Drive Handle - 3/4 in - 10 (J8092).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    Q:
    How do you install the inner pinion bearing cup for 7.6 inch axles for the 2004 GMC Sonoma? Posted by Customer
    A:
    Use the Rear Pinion Bearing Cup Installer (J29609) with the Driver Handle (J8092).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Pinion Bearing
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM Pinion Bearings 9439879 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 9439879 Pinion Bearings is available in the market under the name GM Pinion Bearing. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 9439879 Pinion Bearings fits certain Chevrolet S10, Blazer, Trailblazer models, as well as GMC Envoy, Sonoma, Typhoon. Additionally, it is compatible with Buick Rainier and Pontiac T1000 models.
The original GM component designated by manufacturer part number 9439879 maintains top performance when functioning as the Bearingfrt Differential Drive Pinion Gear Inner; Differential Pinion Bearing; Axle Bearing unit at its Front Inner. The component 9439879 is constructed from durable material and its dimensions span 3.2 x 3.1 x 1.1 inches while weighing 1.30 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Output Shaft Bearing; Rear Pinion Bearing; Inner & Outer Pinion Bearings; Differential Drive Pinion Assembly.. The part 9439879 has available replacement options. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
If you want to save money in the long run on maintenance and repairs, you should choose OEM products because they're of the top level of durability. Are you on the quest of finding GM parts, our site is worth a visit. We stock an endless selection of high-quality GM components including things like ignition coils all the way through to fan shrouds and all at prices that can not be matched. You have nothing to worry about because all our OEM parts are covered with a manufacturer warranty, which guarantees superior quality and value.