Built for the TrailFX A4004B 4-Inch Trapezoidal Straight Nerf Bar Side Step with Black Titanium Powder Coated Finish for Ford F-150 and Super Duty Models, this TrailFX component delivers rugged durability, precise fitment, and trail-ready performance. Engineered for serious off-road use while maintaining everyday drivability.
Enhance your truck's functionality and style with the TrailFX A4004B Nerf Bar Side Step. Crafted from durable steel with a sleek black titanium powder-coated finish, this trapezoidal straight step bar offers a sturdy and corrosion-resistant solution for your Ford F-150 and Super Duty trucks. Designed for rocker panel mounting, it provides easy access to your vehicle's cabin while protecting the sides from debris and minor impacts. The step bar features two rubber step pads per side, ensuring a secure footing even in wet conditions, and the 4-inch diameter tube offers a robust yet streamlined appearance.
The TrailFX A4004B is a direct-fit, bolt-on installation with included mounting hardware and steel brackets, eliminating the need for drilling. Its matte finish complements the rugged look of your vehicle, while the plastic end caps provide a clean, finished appearance. With a weight capacity of 300 pounds, this step bar is built to support both work and leisure activities, whether loading cargo or stepping into your truck.
Designed to fit select model years of the Ford F-150, F-250, and F-350 Super Duty trucks from 2015 through 2018, this nerf bar seamlessly integrates with your vehicle’s existing aesthetics. Not only does it enhance accessibility, but it also adds a protective element, reducing damage from road debris. The TrailFX A4004B nerf bar is an excellent upgrade for drivers seeking durability, style, and convenience in a single, reliable product.
Features:
- Material: Steel with a durable black titanium powder-coated finish for corrosion resistance
- Design: Trapezoidal straight shape with a matte sheen for a rugged appearance
- Diameter: 4-inch tube providing strength and an aesthetic appeal
- Step Pads: Rubber pads with two per bar for secure footing in all weather conditions
- Mounting: Rocker panel mounts with included steel brackets for easy bolt-on installation
- End Caps: Plastic end caps for a clean, finished look
- Weight Capacity: Supports up to 300 pounds for safety and durability
- Compatibility: Fits 2015-2018 Ford F-150, F-250, and F-350 Super Duty models
- Installation: No drilling required, hardware included for straightforward setup
Fitment:
Ford F-150 2015
Ford F-150 2016
Ford F-150 2017
Ford F-150 2018
Ford F-150 2019
Ford F-150 2020
Ford F-150 2021
Ford F-150 2022
Ford F-150 2023
Ford F-150 2024
Ford F-150 2025
Ford F-150 Lightning 2022
Ford F-150 Lightning 2023
Ford F-150 Lightning 2024
Ford F-250 Super Duty 2017
Ford F-250 Super Duty 2018
Ford F-250 Super Duty 2019
Ford F-250 Super Duty 2020
Ford F-250 Super Duty 2021
Ford F-250 Super Duty 2022
Ford F-250 Super Duty 2023
Ford F-250 Super Duty 2024
Ford F-350 Super Duty 2017
Ford F-350 Super Duty 2018
Ford F-350 Super Duty 2019
Ford F-350 Super Duty 2020
Ford F-350 Super Duty 2021
Ford F-350 Super Duty 2022
Ford F-350 Super Duty 2023
Ford F-350 Super Duty 2024
Currently, we do not have an installation guide available for this product. Please contact support for assistance.
At KOVA OFFROAD, we aim to get your order to you as quickly as possible.
Most orders ship within 3-5 business days. For backordered items, please allow 2-3 weeks.
If you need your product urgently, our support team is ready to assist you.
Enjoy free shipping on orders over $200, and track your order in real-time once it’s on the way.
Returns & Exchanges
- All returns must be authorized by KOVA Offroad before an item is shipped back.
- Return eligibility and timeframes may vary by manufacturer and product.
- Products must generally be unused, uninstalled, in new and resellable condition, and returned with all original packaging, hardware, and documentation.
- Original shipping charges are non-refundable unless the return is the result of an error or a confirmed defective product.
- Customers may be responsible for return shipping and any manufacturer or supplier restocking fees that apply.
- Do not ship a return to KOVA Offroad or directly to a manufacturer without receiving return authorization and return instructions from us first.
Obtaining Return Authorization
- Contact KOVA Offroad at sales@kovaoffroad.com with your order number, product information, and reason for the return.
- We will provide the appropriate return instructions and shipping location after the return has been approved.
- Returns sent without authorization may be refused or delayed.
Warranty & Defective Products
- Product warranties are provided by the individual manufacturer and vary by brand and product.
- KOVA Offroad does not independently manufacture or warrant third-party products, but we will assist customers with the warranty claim process whenever possible.
- If you believe a product is defective, contact us with your order number, a description of the issue, and photos or video if applicable.
- Warranty approval, replacement, repair, shipping costs, and claim requirements are subject to the manufacturer’s warranty policy.
- Do not return a defective product until return or warranty instructions have been provided.
Order Cancellations & Changes
- Contact us as soon as possible if you need to change or cancel an order.
- Once an order has entered processing or shipped, cancellation may no longer be possible.
- Special-order, custom, made-to-order, clearance, or certain manufacturer-direct products may not be cancellable or returnable.
- Any applicable cancellation or restocking fees will be communicated before the return or cancellation is completed.
Fitment
- Customers are responsible for reviewing the listed vehicle fitment before purchasing.
- If a customer is unsure whether a product fits their vehicle, they should contact KOVA Offroad before ordering, and we will help verify compatibility.
Questions?
Call us at (800) 507-0672 or email sales@kovaoffroad.com.


