2021 GMC Sierra 2500 HD Westin Parts

Choose your Submodel for your 2021 GMC Sierra 2500 HD


Showing 1 - 10 of 108 products
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Westin
  • Black Aluminum; 79 in. Length; Does Not Include Mount Kit; Vehicle Specific Mount Kit Must Be Purchased Separately Black~Requires Installation Kit 27-2255
  • Sure-Grip Running Boards; Black Aluminum; 79 in. Length; Does Not Include Mount Kit; Vehicle Specific Mount Kit Must Be Purchased Separately;
  • Sure-Grip Running Boards
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Cancer And Birth Defect
  • Features:
    • Vehicle Specific Mount Kit Required
    • Sold Separately
    • Corrosion Resistant Extruded Aluminum Board
    • Slip Resistant Textured Step Surface
    • Injection Molded Polymer End Caps
    • Rocker Panel Gap Strip Included For Finished Look
    • Optional Light Kit Available PN[27-6000]
  • Extruded aluminum. Slip resistant rubber step area. Molded end caps add unique style. Cradle mounted boards. 5 year warranty.

Additional Fitment Information:
Vehicle Sub Model Body
2021 - GMC Sierra 2500 HD SLE Extended Cab Pickup

Westin
  • Brushed Aluminum; 79 in. Length; Does Not Include Mount Kit; Vehicle Specific Mount Kit Must Be Purchased Separately Brushed~Requires Installation Kit 27-2255
  • Sure-Grip Running Boards; Brushed Aluminum; 79 in. Length; Does Not Include Mount Kit; Vehicle Specific Mount Kit Must Be Purchased Separately;
  • Sure-Grip Running Boards
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Cancer And Birth Defect
  • Features:
    • Vehicle Specific Mount Kit Required
    • Sold Separately
    • Corrosion Resistant Extruded Aluminum Board
    • Slip Resistant Textured Step Surface
    • Injection Molded Polymer End Caps
    • Rocker Panel Gap Strip Included For Finished Look
    • Optional Light Kit Available PN[27-6000]
  • Extruded aluminum. Slip resistant rubber step area. Molded end caps add unique style. Cradle mounted boards. 5 year warranty.

Additional Fitment Information:
Vehicle Sub Model Body
2021 - GMC Sierra 2500 HD SLE Extended Cab Pickup

Westin
  • Stainless Steel; Includes Mount Kit And Hardware
  • R7 Nerf Step Bars; Stainless Steel; Includes Mount Kit And Hardware;
  • R7 Nerf Step Bars
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Cancer And Birth Defect
    • Tube Shape: Rectangular
  • Features:
    • Mount Kit Included
    • OE Style
    • Recessed Board Design Conceals Brackets
    • Includes Molded Bracket Covers
  • Westin R7 Boards feature oversized step pads and OE style traction grooves. R7 Boards are sold in complete kits that include: Driver and passenger-side boards vehicle specific mount kit and come with injection molded bracket covers for an extra clean look. R7 Boards are available in polished stainless steel backed by a lifetime warranty and black powder coated aluminum backed by a 3-year warranty.

Additional Fitment Information:
Vehicle Block CC Engine Sub Model Body CID
2021 - GMC Sierra 2500 HD V 6571 8 Cyl 6.6L SLE Standard Cab Pickup 401

Westin
  • Stainless Steel; Mount Kit Included
  • R7 Nerf Step Bars; Stainless Steel; Mount Kit Included;
  • R7 Nerf Step Bars
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Cancer And Birth Defect
    • Tube Shape: Rectangular
  • Features:
    • Mount Kit Included
    • OE Style
    • Recessed Board Design Conceals Brackets
    • Includes Molded Bracket Covers
  • Westin R7 Boards feature oversized step pads and OE style traction grooves. R7 Boards are sold in complete kits that include: Driver and passenger-side boards vehicle specific mount kit and come with injection molded bracket covers for an extra clean look. R7 Boards are available in polished stainless steel backed by a lifetime warranty and black powder coated aluminum backed by a 3-year warranty.

Additional Fitment Information:
Vehicle Block CC Engine Sub Model Body CID
2021 - GMC Sierra 2500 HD V 6571 8 Cyl 6.6L AT4 Crew Cab Pickup 401

Westin
  • Black; Mount Kit Included
  • R7 Nerf Step Bars; Black; Mount Kit Included;
  • R7 Nerf Step Bars
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Cancer And Birth Defect
    • Tube Shape: Rectangular
  • Features:
    • Mount Kit Included
    • OE Style
    • Recessed Board Design Conceals Brackets
    • Includes Molded Bracket Covers
  • Westin R7 Boards feature oversized step pads and OE style traction grooves. R7 Boards are sold in complete kits that include: Driver and passenger-side boards vehicle specific mount kit and come with injection molded bracket covers for an extra clean look. R7 Boards are available in polished stainless steel backed by a lifetime warranty and black powder coated aluminum backed by a 3-year warranty.

Additional Fitment Information:
Vehicle Block CC Engine Sub Model Body CID
2021 - GMC Sierra 2500 HD V 6571 8 Cyl 6.6L AT4 Crew Cab Pickup 401

Westin
  • Black; Includes Mount Kit And Hardware
  • R7 Nerf Step Bars; Black; Includes Mount Kit And Hardware;
  • R7 Nerf Step Bars
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Cancer And Birth Defect
    • Tube Shape: Rectangular
  • Features:
    • Mount Kit Included
    • OE Style
    • Recessed Board Design Conceals Brackets
    • Includes Molded Bracket Covers
  • Westin R7 Boards feature oversized step pads and OE style traction grooves. R7 Boards are sold in complete kits that include: Driver and passenger-side boards vehicle specific mount kit and come with injection molded bracket covers for an extra clean look. R7 Boards are available in polished stainless steel backed by a lifetime warranty and black powder coated aluminum backed by a 3-year warranty.

Additional Fitment Information:
Vehicle Block CC Engine Sub Model Body CID
2021 - GMC Sierra 2500 HD V 6571 8 Cyl 6.6L SLE Standard Cab Pickup 401

Westin
  • Black
  • R7 Nerf Step Bars; Black;
  • R7 Nerf Step Bars
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Cancer And Birth Defect
    • Tube Shape: Rectangular
  • Features:
    • Mount Kit Included
    • OE Style
    • Recessed Board Design Conceals Brackets
    • Includes Molded Bracket Covers
  • Westin R7 Boards feature oversized step pads and OE style traction grooves. R7 Boards are sold in complete kits that include: Driver and passenger-side boards vehicle specific mount kit and come with injection molded bracket covers for an extra clean look. R7 Boards are available in polished stainless steel backed by a lifetime warranty and black powder coated aluminum backed by a 3-year warranty.

Additional Fitment Information:
Vehicle Block CC Engine Sub Model Body CID
2021 - GMC Sierra 2500 HD V 6571 8 Cyl 6.6L SLE Extended Cab Pickup 401

Westin
  • Textured Black
  • Thrasher Running Boards; Textured Black;
  • Thrasher Running Boards
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Cancer And Birth Defect
  • Features:
    • Mount Kit Included
    • Aggressive Chiseled Design
    • 1-Piece Stamped Steel Construction
    • Indented Louvers
    • Includes Injection Molded Bracket Covers
  • Westin Thrasher Boards are made of a 1-piece stamped steel construction. The boards are an aggressive Pre-Runner style and feature indented louvers along the step area. Thrasher Boards have a textured black powder coat finish and include injection molded bracket covers for a finished look.

Additional Fitment Information:
Vehicle Sub Model Body
2021 - GMC Sierra 2500 HD AT4 Crew Cab Pickup

Westin
  • Black; For Double Cab Black
  • Running Board Mount Kit; Black; For Double Cab;
  • Running Board Mount Kit
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Cancer And Birth Defect
  • Features:
    • Black Powder Coat Finish
    • E-Coated Steel
    • 3 Year Warranty
  • SG6 LED Running Boards are designed to be vehicle specific and require a mount kit (sold separately). Kit includes driver and passenger side e-coated steel mount brackets, complete with hardware and installation instruction sheet.

Additional Fitment Information:
Vehicle Body
2021 - GMC Sierra 2500 HD Crew Cab Pickup

Westin
  • Brite Aluminum; 79 in. Length; Does Not Include Mount Kit; Vehicle Specific Mount Kit Must Be Purchased Separately Brite~Requires Installation Kit 27-2255
  • Sure-Grip Running Boards; Brite Aluminum; 79 in. Length; Does Not Include Mount Kit; Vehicle Specific Mount Kit Must Be Purchased Separately;
  • Sure-Grip Running Boards
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Cancer And Birth Defect
  • Features:
    • Vehicle Specific Mount Kit Required
    • Sold Separately
    • Corrosion Resistant Extruded Aluminum Board
    • Slip Resistant Textured Step Surface
    • Injection Molded Polymer End Caps
    • Rocker Panel Gap Strip Included For Finished Look
    • Optional Light Kit Available PN[27-6000]
  • Extruded aluminum. Slip resistant rubber step area. Molded end caps add unique style. Cradle mounted boards. 5 year warranty.

Additional Fitment Information:
Vehicle Sub Model Body
2021 - GMC Sierra 2500 HD SLE Extended Cab Pickup
Showing 1 - 10 of 108 products

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