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04-08 Ford F-150 Westin 21-2365 Platinum 4 Oval Nerf Bars Black Steel

The Westin Platinum 4 Oval Nerf Bars (21-2365) combine rugged durability, OE-inspired styling, and everyday convenience. Constructed from black powder-coated steel with extra-wide 4-inch oval tubing, these step bars provide secure vehicle access while helping protect rocker panels from damage. Vehicle-specific mounting and a no-drill design make installation quick and straightforward.

Top Features

  • 4-inch wide oval steel nerf bars
  • Durable black powder-coated finish
  • OE-style appearance
  • Injection-molded polymer step pads
  • Recessed step area for improved traction
  • Protects rocker panels from road hazards
  • Vehicle-specific mounting brackets included
  • Bolt-on installation
  • No drilling required on most applications
  • 3-Year Limited Warranty

Vehicle Fitment

  • 2004-2008 Ford F-150 SuperCrew Cab Pickup (4.2L V6, 4.6L V8, 5.4L V8)
  • 2006-2008 Lincoln Mark LT (5.4L V8)
Vendor: Westin
SKU: WES21-2365
Availability: 1 In Stock
$ 503.75 USD
On-Sale $ 503.75 USD
Normally $ 503.75 USD
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UPC: 707742014066
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Proposition65 Warning: Cancer and Reproductive Harm

Westin Platinum 4 Oval Nerf Bars Black Steel

Part Number: 21-2365

The Westin Platinum 4 Oval Nerf Bars are a premium upgrade designed to enhance both the appearance and functionality of the 2004-2008 Ford F-150 SuperCrew and 2006-2008 Lincoln Mark LT. Featuring an OE-inspired design with rugged black powder-coated steel construction, these cab-length step bars provide a bold, factory-style look while delivering dependable stepping assistance for everyday use. The extra-wide 4-inch oval profile creates a confident stepping surface, making vehicle entry and exit easier for drivers and passengers alike. In addition to improving accessibility, the bars help shield vulnerable rocker panels from road debris, parking lot hazards, and everyday wear. With vehicle-specific mounting brackets included and a no-drill bolt-on design for most applications, this upgrade delivers a clean installation and long-lasting durability that truck owners can trust.

Key Features

  • Vehicle-specific design for precise fitment
  • Durable black powder-coated e-coated steel construction
  • Wide 4-inch oval tube design for enhanced stepping comfort
  • OE-style appearance complements factory vehicle styling
  • Injection-molded polymer step pads for secure footing
  • Recessed step area for improved traction and stability
  • 90-degree mandrel-bent tubing for strength and clean lines
  • Helps protect rocker panels from road debris and minor impacts
  • Cab-length configuration for full passenger access
  • Mount kit included for installation
  • Bolt-on installation with no drilling required on most applications

Benefits

  • Provides safer and more convenient vehicle entry and exit
  • Enhances truck appearance with a rugged, premium look
  • Adds practical protection to rocker panels and lower body areas
  • Wide stepping surface inspires confidence in all weather conditions
  • Durable powder-coated finish helps resist corrosion and wear
  • Vehicle-specific engineering ensures proper fit and function
  • Ideal for lifted trucks or vehicles with larger tires
  • Backed by Westin's 3-Year Limited Warranty on black powder-coated steel models
  • Increases overall vehicle functionality while maintaining OE-inspired styling

Product Specs

  • Part Number: 21-2365
  • Product Type: Nerf Step Bars / Side Steps
  • Style: Platinum 4 Oval
  • Length: Cab Length
  • Step Width: 4 Inches
  • Width at Widest Point: Approximately 4.25 Inches
  • Color: Black
  • Finish: Powder Coated
  • Material: E-Coated Steel
  • Tube Shape: Oval
  • Bend Style: 90-Degree Mandrel Bent
  • Mounting Location: Rocker Panel
  • Step Pad Material: Injection-Molded Polymer
  • Installation Type: Bolt-On
  • Mount Kit Included: Yes
  • Drilling Required: No, on most applications

Install Difficulty Level
Easy

The Westin Platinum 4 Oval Nerf Bars are designed for a straightforward bolt-on installation using the included mounting hardware. Most applications require no drilling, allowing installation to be completed with common hand tools. Installation can typically be completed in as little as 30-60 minutes, making this an excellent upgrade for first-time installers and experienced DIY enthusiasts alike.

Vehicle Fitment

  • 2004 Ford F-150 SuperCrew Cab Pickup
    • 4.2L V6
    • 4.6L V8
    • 5.4L V8
  • 2005 Ford F-150 SuperCrew Cab Pickup
    • 4.2L V6
    • 4.6L V8
    • 5.4L V8
  • 2006 Ford F-150 SuperCrew Cab Pickup
    • 4.2L V6
    • 4.6L V8
    • 5.4L V8
  • 2007 Ford F-150 SuperCrew Cab Pickup
    • 4.2L V6
    • 4.6L V8
    • 5.4L V8
  • 2008 Ford F-150 SuperCrew Cab Pickup
    • 4.2L V6
    • 4.6L V8
    • 5.4L V8
  • 2006 Lincoln Mark LT
    • 5.4L V8
  • 2007 Lincoln Mark LT
    • 5.4L V8
  • 2008 Lincoln Mark LT
    • 5.4L V8

If there are any questions about this product or if a product description inaccuracy needs to be reported, contact the MPT Performance experts at (407) 636-7077 or by email for assistance.

Shipping Policy

MPT is proud to offer free shipping on most orders over $149.

  • Free shipping applies only to the contiguous United States. Shipping and handling charges will apply to orders outside the contiguous US, and the buyer is responsible for any duty fees or taxes their home country may charge to import goods.
  • With free shipping, we will choose the best shipping method for your order. We use all major carriers, including USPS, FedEx, UPS, and DHL.

Turnaround Times:

  • MPT Tunes have a standard turnaround time of 2-3 business days, beginning once we receive your MPT Tune Form.
  • We do not process orders on weekends or observed holidays, which do not count as business days.
  • Physical items that are in stock at MPT and ordered by 4PM EST will be shipped the same day. Orders placed after 4PM EST will be processed on the following business day.

Special Considerations:

  • Items not stocked at our location will follow the same processing times but may experience lead-time delays and could incur additional charges. Shipping methods may vary for these items based on what was paid and the requested delivery speed. If you need an item by a specific deadline, please contact an MPT Expert.
  • SCT Tuner Orders with the Prioritized Order option must have their tune forms submitted by 3PM EST to be completed the same day. Forms submitted after this time will be processed the next business day.
  • Orders will ship to the billing address listed on your order. If paying by credit or debit card, we can only ship to the billing address. Contact an MPT Expert for assistance if you need a different shipping address.

MPT Performance Returns and Refund Policy

A Return Authorization Number is required for all returns. Please contact an MPT Expert to obtain an RA # before sending anything back to us for any reason.

MPT tuning charges and license fees are Non-Refundable. The sale is final when MPT has sent the tune file over email. This includes both new tune purchases and tune updates.

Products other than MPT tunes, digital products, and MPT decals may be returned within 30 days for any reason, provided that the product has not been installed and is in brand new, unused condition with the original packaging. Once a product has been installed it is non-refundable. We reserve the right to deny the return, should the product be received and it display signs of installation or unmentioned damage.

For vehicle programmers/tuners, the vehicle must be returned to stock if a program was installed. If a tuning device is returned and has not been returned to stock, a refund will not be issued, and your tuner will not be sent back without a shipping and handling fee.

The customer is responsible for all shipping charges incurred during the return process.

Amount Refunded:
•Returns post marked before 30 days from the date the item was received will be refunded the purchase price, minus a 25% restocking fee and the cost of shipping.
After 30 days, all sales are Final.
•Shipping charges along with any package insurance are non-refundable. If your purchase was shipped with our Free Shipping option, the cost of the shipping will be subtracted from the total refund amount.

HP Tuners Credits are assigned to the HP Tuners product with the submitted serial number and cannot be transferred. Once you load a tune to your vehicle with the RTD, these credits are Non-Refundable.

Digital products and files that have no ability to be taken back physically, such as an SCT Tuner Unlock, are Non-Refundable.

nGauge Tune License Fee is included in your initial purchase of MPT tunes for the nGauge. This fee is factored into the price of the tunes and becomes Non-Refundable when the stock file has been emailed to MPT.

MPT Decals are Non-Refundable, once they have been received by the customer.

Year Make Model Submodel
2007-2008 Ford F-150 FX2
2004-2008 Ford F-150 FX4
2007-2008 Ford F-150 Harley-Davidson Edition
2005-2008 Ford F-150 King Ranch
2004-2008 Ford F-150 Lariat
2008 Ford F-150 Limited
2005 Ford F-150 STX
2008 Ford F-150 THE 60TH ANNIVERSARY EDITION
2004,2008 Ford F-150 XL
2004-2008 Ford F-150 XLT
2006-2008 Lincoln Mark LT Base

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