Enter Vehicle Year Make Model

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

2021 Western Star 4900SA Parts

What year is your
Free Same Day Shipping

2021 Western Star 4900SA

Filter Results
  • Notify When Available

    VIDEO

    Wiper Blade Set

    Replaces 2021 Western Star 4900SA 2 Piece 20in Wiper Blade Set TRQ WPB54566

    Brand: TRQ
    - WPB54566

    • Material: Silicone with Water Repellent Additive
    • Quantity: 2 Piece
    • Kit Includes: (2) Wiper Blades
    • Wiper Blade Length: 20in
    $34.95
    Save 30%
    List $49.95 Save $15.00

    Guaranteed to Fit 2021 Western Star 4900SA

    Guaranteed to Fit 2021 Western Star 4900SA

    Replaces 2021 Western Star 4900SA 2 Piece 20in Wiper Blade Set TRQ WPB54566

    VIDEO

    Wiper Blade Set
    Brand: TRQ - WPB54566
    • Material: Silicone with Water Repellent Additive
    • Quantity: 2 Piece
    • Kit Includes: (2) Wiper Blades
    • Wiper Blade Length: 20in
    $34.95
    Save 30%
    List $49.95 Save $15.00

    Guaranteed to Fit 2021 Western Star 4900SA

    Guaranteed to Fit 2021 Western Star 4900SA

  • Notify When Available

    VIDEO

    Inner Tie Rod Tool

    Heavy Duty Inner Tie Rod Tool

    196 reviews
    Brand: TRQ
    - TLK01002

    • Socket Drive: 3/8 in. Drive
    • Product Grade: Heavy Duty
    $23.95

    Heavy Duty Inner Tie Rod Tool

    VIDEO

    Inner Tie Rod Tool
    196 reviews
    Brand: TRQ - TLK01002
    • Socket Drive: 3/8 in. Drive
    • Product Grade: Heavy Duty
    $23.95
  • Notify When Available

    VIDEO

    Disc Brake Pad Spreader

    Disc Brake Pad Spreader

    174 reviews
    Brand: TRQ
    - TLK01003

    $15.95
    Save 31%
    List $22.95 Save $7.00

    Disc Brake Pad Spreader

    VIDEO

    Disc Brake Pad Spreader
    174 reviews
    Brand: TRQ - TLK01003
    $15.95
    Save 31%
    List $22.95 Save $7.00
  • Notify When Available

    VIDEO

    Interior Trim Removal Kit

    Interior Trim Removal Kit

    89 reviews
    Brand: TRQ
    - TLK01001
    $34.95
    Save 3%
    List $35.95 Save $1.00

    Interior Trim Removal Kit

    VIDEO

    Interior Trim Removal Kit
    89 reviews
    Brand: TRQ - TLK01001
    $34.95
    Save 3%
    List $35.95 Save $1.00
  • Notify When Available

    VIDEO

    Kit image

    Brake Caliper Service Kit

    1 reviews
    Brand: TRQ
    - KTA52070

    • Kit Includes: (1) Brake Bleeding Kit
    • Kit Includes: (1) Brake Cleaner & Fluid Kit
    $30.95
    Save 28%
    List $42.95 Save $12.00

    Brake Caliper Service Kit

    VIDEO

    Kit image
    1 reviews
    Brand: TRQ - KTA52070
    • Kit Includes: (1) Brake Bleeding Kit
    • Kit Includes: (1) Brake Cleaner & Fluid Kit
    $30.95
    Save 28%
    List $42.95 Save $12.00
  • Notify When Available

    VIDEO

    CV Axle Shaft Popper Tool

    CV Axle Shaft Popper Tool

    21 reviews
    Brand: TRQ
    - INA81819

    • Tool Length: 14 in
    • Includes: Shim Tool
    • Tool Capacity Range: 2 in
    $61.95
    Save 13%
    List $70.95 Save $9.00

    CV Axle Shaft Popper Tool

    VIDEO

    CV Axle Shaft Popper Tool
    21 reviews
    Brand: TRQ - INA81819
    • Tool Length: 14 in
    • Includes: Shim Tool
    • Tool Capacity Range: 2 in
    $61.95
    Save 13%
    List $70.95 Save $9.00
  • Notify When Available

    VIDEO

    Oxygen Sensor Install Socket

    Heavy Duty Oxygen Sensor Install Socket

    91 reviews
    Brand: TRQ
    - TLK01007

    • Socket Drive: 3/8 in. Drive
    • Product Grade: Heavy Duty
    • Socket Size: 7/8 in
    $16.95
    Save 6%
    List $17.95 Save $1.00

    Heavy Duty Oxygen Sensor Install Socket

    VIDEO

    Oxygen Sensor Install Socket
    91 reviews
    Brand: TRQ - TLK01007
    • Socket Drive: 3/8 in. Drive
    • Product Grade: Heavy Duty
    • Socket Size: 7/8 in
    $16.95
    Save 6%
    List $17.95 Save $1.00
  • Notify When Available
    Suspension Service Pickle Fork Set

    5 Piece Suspension Service Pickle Fork Set

    13 reviews
    Brand: TRQ
    - TLK12467

    • Includes: Tie Rod Spreader
    • Includes: Striking Handle
    • Includes: Ball Joint Spreader
    • Quantity: 5 Piece
    • Includes: Pitman Arm Wedge
    • Includes: Air Hammer Adapter
    $32.95
    Save 27%
    List $44.95 Save $12.00

    5 Piece Suspension Service Pickle Fork Set

    Suspension Service Pickle Fork Set
    13 reviews
    Brand: TRQ - TLK12467
    • Includes: Tie Rod Spreader
    • Includes: Striking Handle
    • Includes: Ball Joint Spreader
    • Quantity: 5 Piece
    • Includes: Pitman Arm Wedge
    • Includes: Air Hammer Adapter
    $32.95
    Save 27%
    List $44.95 Save $12.00
  • Notify When Available

    VIDEO

    Brake Caliper Piston Rewind Cube

    Brake Caliper Piston Rewind Cube

    24 reviews
    Brand: TRQ
    - TLK01017

    • Socket Drive: 3/8 in. Drive
    $12.95
    Save 7%
    List $13.95 Save $1.00

    Brake Caliper Piston Rewind Cube

    VIDEO

    Brake Caliper Piston Rewind Cube
    24 reviews
    Brand: TRQ - TLK01017
    • Socket Drive: 3/8 in. Drive
    $12.95
    Save 7%
    List $13.95 Save $1.00
  • Notify When Available

    VIDEO

    One Man Brake Bleeder Kit

    One Man Brake Bleeder Kit

    14 reviews
    Brand: TRQ
    - TLK01016

    • Kit Includes: Hoses, Fittings, & Collection Bottle
    $14.95
    Save 35%
    List $22.95 Save $8.00

    One Man Brake Bleeder Kit

    VIDEO

    One Man Brake Bleeder Kit
    14 reviews
    Brand: TRQ - TLK01016
    • Kit Includes: Hoses, Fittings, & Collection Bottle
    $14.95
    Save 35%
    List $22.95 Save $8.00
1

...

1 2 3 4 5

...

10
Close



Western Star is a registered trademark of Daimler Trucks North America LLC. 1A Auto is not affiliated with or sponsored by Western Star or Daimler Trucks North America LLC. See all trademarks.
Same Day Shipping

Need your part faster? Choose expedited shipping at checkout.

Guaranteed To Fit

Highest quality, direct fit replacement auto parts enforced to the strictest product standards.

USA Customer Support

Exceeding customers' expectations, our team of passionate auto enthusiasts are here to help.

Instructional Video Library

Thousands of how-to auto repair videos to guide you step-by-step through your repair.

Go To Top
Specify your vehicle

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

If your vehicle isn't listed, close the window to return to search.