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GM 84394391
Caliper, Front Driver Side

2001-2020 GM

Customer Questions & Expert Answers (18)
GM 84394391 Caliper, Front Driver Side
  • Part Description
    Caliper Assembly-Front Brake (W/O Brake Pads & Bracket; Brake Caliper
  • Position
    Front Driver Side
  • Replaces
    18046219, 25846388
  • 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 GM
    Manufacturer Part Number84394391
    Part DescriptionCaliper Assembly-Front Brake (W/O Brake Pads & Bracket; Brake Caliper
    Other NamesCaliper, Wheel Brake Cylinder/Caliper
    Item Dimensions14.8 x 8.5 x 5.4 inches
    Item Weight15.90 Pounds
    PositionFront Driver Side
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces18046219, 25846388
    ManufacturerGeneral Motors
    SKU84394391
    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 Trim Engine
    2003-2020 Chevrolet Express 3500Base, LS, LT4 Cyl 2.8 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 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
    2007-2010 Chevrolet Silverado 2500 HDLT, LTZ, WT8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    2001-2006 Chevrolet Silverado 3500Base, LS, LT, WT8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
    2007 Chevrolet Silverado 3500 ClassicLS, LT, WT8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
    2007-2010 Chevrolet Silverado 3500 HDLT, LTZ, WT8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    2001-2005 Chevrolet Suburban 1500Base, LS, LT, Z718 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2001-2005 Chevrolet Suburban 2500Base, LS, LT8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
    2003-2020 GMC Savana 3500Base, LS, LT, SLE4 Cyl 2.8 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 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
    2007-2010 GMC Sierra 2500 HDSLE, SLT, WT8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    2001-2006 GMC Sierra 3500Base, SL, SLE, SLT, WT8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
    View More
  • Customer Questions & Expert Answers

    Q:
    Is 84394391 compatible with my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 84394391 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What is the first step to ensure safety when overhauling the front brake caliper for the 2003 Chevrolet Express 3500? Posted by Customer
    A:
    Avoid placing fingers in front of the piston when applying compressed air to prevent serious injury.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    What is the final step in the process for the 2007 Chevrolet Express 3500? Posted by Customer
    A:
    Bleed the hydraulic brake system, reinstall the tire and wheel assembly, lower the vehicle, and fill the master cylinder reservoir to the proper level with clean brake fluid.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    What is the next step after inspecting the fluid level for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Raise and support the vehicle, then remove the tire and wheel assembly.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    What should you do after compressing the brake caliper pistons for the 2002 Chevrolet Suburban 2500? Posted by Customer
    A:
    Remove the C-clamp.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    How do you handle worn mounting bracket bushings for the 2001 Chevrolet Suburban 1500? Posted by Customer
    A:
    Inspect the mounting bracket bushings for wear and replace them if needed by inserting a flat-bladed tool between the bushing flange and the mounting bracket to remove the old bushing, then installing a new one with a socket over the boot.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    What should be repeated for the remaining piston for the 2003 Chevrolet Suburban 1500? Posted by Customer
    A:
    The lubrication and installation process.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    What is the next step after installing the rubber cap or plug for the 2001 Chevrolet Suburban 1500? Posted by Customer
    A:
    Remove the brake hose to caliper bolt and detach the brake hose, discarding the 2 copper brake hose gaskets.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    How do you compress the brake caliper pistons for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Use 2 large C-clamps placed over the caliper housing against the back of the outboard pad, tightening them until the pistons are fully retracted.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    What is the next step after removing the brake hose for the 2004 Chevrolet Silverado 3500? Posted by Customer
    A:
    Remove the 2 brake caliper mounting bolts.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    What should you do to prevent fluid loss and contamination for the 2002 Chevrolet Suburban 2500? Posted by Customer
    A:
    Clean the brake hose end and install a rubber cap or plug on the exposed brake pipe fitting.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    What components should be removed after the piston for the 2003 GMC Savana 3500? Posted by Customer
    A:
    Take out the piston boot and piston seal, followed by the brake caliper bleed screw and its cap.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    What is the torque specification for the brake caliper bleed screw for the 2004 GMC Savana 3500? Posted by Customer
    A:
    Install the brake caliper bleed screw and tighten it to 12 Nm (106 inch lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    What are the final steps to complete the process for the 2005 GMC Sierra 3500? Posted by Customer
    A:
    Bleed the hydraulic brake system, reinstall the tire and wheel assembly, and fill the master cylinder reservoir with clean brake fluid as necessary.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    What should be done before removing the brake caliper for the 2005 GMC Sierra 3500? Posted by Customer
    A:
    Place a thin piece of wood in front of the piston to prevent damage.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    What should be done for the remaining piston for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Repeat the same process for the remaining piston.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    What is the procedure for installing the brake caliper for the 2006 GMC Savana 3500? Posted by Customer
    A:
    Install the brake caliper onto the mounting bracket, clean the threads of the caliper guide pin bolts, apply Threadlocker, and then install and tighten the guide pin bolts.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    Q:
    What is the torque specification for the mounting bolts for the 2003 GMC Savana 3500? Posted by Customer
    A:
    Tighten them to 108 Nm (80 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Calipers
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 84394391, Excellent Performance and Perfect Fitment

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