15-25 Ford F-150 Westin 21-3945 SuperCrew Platinum 4 Oval Nerf Step Bars - Black

Westin Platinum 4 Oval Nerf Step Bars – Part #21-3945

This heavy-duty step bar set is designed to elevate both the look and functionality of compatible Ford trucks. With OE-inspired styling and a recessed 4‑inch wide polymer step pad, these bars offer solid footing and protect rocker panels from road debris. No-drill, bolt-on installation ensures a clean fit, enhancing the truck’s appeal while delivering reliable performance on and off the road.

Key Features

• OE-style 4″ oval tube with mandrel bends for superior strength

• 4″ wide recessed polymer step pad for confident footing

• Full-length vehicle-specific design enhances B-pillar protection

• Mounting kit included; no drilling required on most models

• Black powder-coat finish resists corrosion and abrasion

• Mandrel-welded end caps ensure structural integrity

Benefits

• Enhances ease of access to cab and bed for all vehicle occupants

• Safeguards rocker panels from impact and road debris

• Vehicle-specific brackets guarantee perfect alignment

• Durable powder-coat finish delivers long-lasting appearance

• Peace of mind with a 3-year warranty on black finish

• Polished stainless option carries a lifetime warranty, catering to varied preferences

• Warranty covers defects in materials and workmanship (excludes damage from misuse, road hazards)

Product Specs

• Size: 4″ oval tubes, 4″ step pad width

• Finish: Black powder-coated e-coated steel

• Material: E-coated steel tubing

• Warranty: 3 years (black); lifetime (polished stainless upgrade) Mounting: Vehicle-specific bolt-on hardware

• Installation: No drilling required on most vehicles

Install Difficulty Level

Installation is straightforward and user-friendly. Most owners report a completion time of 30–60 minutes for the full set. This makes it an easy weekend upgrade with basic tools.

Vehicle Fitment

Designed specifically for the following vehicles:

• 2015–2025 Ford F-150 SuperCrew Cab Pickup

• 2022–2025 Ford F-150 Lightning SuperCrew Cab Pickup

• 2017–2025 Ford F-250, F-350, F-450, and F-550 Super Duty Crew Cab Pickups/Chassis with compatible engine options

Vehicle fit is accurate and ensured by Westin’s vehicle-specific bracket system.

For questions or to report inaccuracies in this product description, contact the MPT Performance experts at (407) 636‑7077 or by email.