Home / Shop / Westin 2019 Chevrolet Silverado/Sierra 1500 Crew Cab Platinum 4 Oval Nerf Step Bars - Black

Westin 2019 Chevrolet Silverado/Sierra 1500 Crew Cab Platinum 4 Oval Nerf Step Bars - Black

SKU: WES21-4135

Running Boards, Nerf Bars and Rock Sliders

WES Nerf Bars - Platinum 4

Westin

Westin 2019 Chevrolet Silverado/Sierra 1500 Crew Cab Platinum 4 Oval Nerf Step Bars - Black

SKU: WES21-4135

Running Boards, Nerf Bars and Rock Sliders

WES Nerf Bars - Platinum 4

LOW STOCK! Est Ship 3-5 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.

We accept

Description

Westins Platinum 4 Oval Nerf Step Bars feature OE styling and offer an alternative look and style to traditional round tube steps. Their larger size provides strength and confidence with a full 4in. wide recessed step area. Platinum 4 Oval Nerf Step Bars are vehicle specific applications that feature a no-drill installation.

Product Overview

Features and Benefits

90 Degree Mandrel Bends
Mount kit included
4 in. Wide Step Pad
4.25 in. Wide At Widest Dimension
Black Powdercoat E-Coat Mild Steel
3 Year Limited Warranty
OE style oval tube steps and mandrel bends
Protects vehicle rocker panels from potential damage
Injection molded polymer step pad, recessed step area
Bolt-on installation - no drilling required on most applications

Product Details

Year	Make
Bar Diameter (in.):	4" Oval
Bar Length:	Cab Length
Can Ship By Ground Delivery:	Yes
Color:	Black
Description:	Platinum 4 Oval Nerf Step Bars
Finish:	Powder Coated
Material:	Steel
Mounting Location:	Body Mount
Part Number:	wes21-4135
Prop 65:	Yes
Title:	Westin Platinum 4 Oval Nerf Step Bars 21-4135
Tube Shape:	Oval
WARNING CA Proposition 65 Message:	Cancer and Birth Defect
WARNING CA Proposition 65:	Yes

Application Summary

2019-2023 Chevrolet Silverado 1500 Crew Cab Pickup, 2019-2023 GMC Sierra 1500 Crew Cab Pickup

Part Type

Step Nerf Bar Kit

Data: v4.2 - Upd: 2026-10-11 13:50:55

Features

3 Year Limited Warranty
4 in. Wide Step Pad
4.25 in. Wide At Widest Dimension
90 Degree Mandrel Bends
Black Powdercoat E-Coat Mild Steel
Bolt-on installation - no drilling required on most applications
Injection molded polymer step pad, recessed step area
Mount kit included
OE style oval tube steps and mandrel bends
Protects vehicle rocker panels from potential damage

Specifications

Product Attributes - Brand: Westin Automotive
Product Attributes - Manufacturer's Part Number: 21-4135
Product Attributes - Part Type: Running Boards, Nerf Bars and Rock Sliders
Product Attributes - Product Line: Westin Platinum Series Oval Step Bars
Product Attributes - UPC: 707742090268
Product Attributes - Side Step Style: Nerf bar
Product Attributes - Material: Aluminum
Product Attributes - Color: Black
Product Attributes - Finish: Gloss
Product Attributes - Coating Type: E-coated
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	wes21-4135
SFX Item ID	4151916
Supplier Item Code	4151916
Manufacturer SKU	21-4135
Manufacturer UPC	707742090268
Alternative References	wsa-21-4135