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Westin

Westin Platinum Series Oval Step Bars 21-3940 Bars, Nerf Bars, Series, Oval, Stainless Steel, Polished, 4 in. Diameter, Ford, Pair

SKU: WES21-3940

Running Boards, Nerf Bars and Rock Sliders
Westin Platinum Series Oval Step Bars 21-3940 Bars, Nerf Bars, Series, Oval, Stainless Steel, Polished, 4 in. Diameter, Ford, Pair

Westin

Westin Platinum Series Oval Step Bars 21-3940 Bars, Nerf Bars, Series, Oval, Stainless Steel, Polished, 4 in. Diameter, Ford, Pair

SKU: WES21-3940

Running Boards, Nerf Bars and Rock Sliders
A$1,701.04
BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.
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Description

Westin Platinum Series Oval step bars combine either a brilliant, chrome plated finish over stainless steel or a show-quality black powdercoated finish over e-coated mild steel construction. These step bars offer a lifetime of good looks and rust resistance, sturdy 4 in. diameter oval tubing, and a non-skid, recessed step area for sure footing in any type of weather. All necessary mounting hardware is included.

Part Type

Running Boards, Nerf Bars and Rock Sliders

Data: v4.2 - Upd: 2026-10-16 01:10:00

Specifications

Product Attributes - Brand
Westin Automotive
Product Attributes - Manufacturer's Part Number
21-3940
Product Attributes - Part Type
Running Boards, Nerf Bars and Rock Sliders
Product Attributes - Product Line
Westin Platinum Series Oval Step Bars
Product Attributes - UPC
707742064344
Product Attributes - Side Step Style
Nerf bar
Product Attributes - Material
Stainless steel
Product Attributes - Color
Polished
Product Attributes - Finish
Polished
Product Attributes - Powered
No
Product Attributes - Diameter (in.)
4.000 in.
Product Attributes - Side Step Position
Cab
Product Attributes - Total Step Pad Quantity
4
Product Attributes - Drilling Required
No
Product Attributes - Mounting Brackets and Hardware Included
Yes
Product Attributes - Lighted
No
Product Attributes - Door Switches Included
No
Product Attributes - Wiring Harness Included
No
Product Attributes - Quantity
Sold as a pair.

Reference Information

Brand Name/s Westin
StreetFX SKU wes21-3940
SFX Item ID 4907984
Supplier Item Code 4907984
Manufacturer SKU 21-3940
Manufacturer UPC 707742064344
Alternative References WSA-21-3940

Compatibility

Application Data
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2015
    Ending Year2020
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)67.1in, 170.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2015
    Ending Year2020
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)67.1in, 170.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2015
    Ending Year2020
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.9in, 200.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2015
    Ending Year2020
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.9in, 200.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2015
    Ending Year2023
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)67.1in, 170.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2015
    Ending Year2023
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.9in, 200.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2015
    Ending Year2025
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)67.1in, 170.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2015
    Ending Year2025
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.9in, 200.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2018
    Ending Year2020
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)67.1in, 170.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2018
    Ending Year2020
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.9in, 200.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2018
    Ending Year2021
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)67.1in, 170.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2018
    Ending Year2021
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.9in, 200.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2021
    Ending Year2021
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)67.1in, 170.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2021
    Ending Year2021
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.9in, 200.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2021
    Ending Year2023
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)67.1in, 170.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2021
    Ending Year2023
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.9in, 200.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2021
    Ending Year2024
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)67.1in, 170.4cm
  • MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2021
    Ending Year2024
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.9in, 200.4cm
  • MakeFORD
    ModelF-150
    SubmodelLARIAT
    Beginning Year2015
    Ending Year2020
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)67.1in, 170.4cm
  • MakeFORD
    ModelF-150
    SubmodelLARIAT
    Beginning Year2015
    Ending Year2020
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)67.1in, 170.4cm
  • MakeFORD
    ModelF-150
    SubmodelLARIAT
    Beginning Year2015
    Ending Year2020
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)67.1in, 170.4cm
  • MakeFORD
    ModelF-150
    SubmodelLARIAT
    Beginning Year2015
    Ending Year2020
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.9in, 200.4cm
  • MakeFORD
    ModelF-150
    SubmodelLARIAT
    Beginning Year2015
    Ending Year2020
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.9in, 200.4cm
  • MakeFORD
    ModelF-150
    SubmodelLARIAT
    Beginning Year2015
    Ending Year2020
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.9in, 200.4cm
  • MakeFORD
    ModelF-150
    SubmodelLARIAT
    Beginning Year2015
    Ending Year2020
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)97.6in, 247.9cm

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