N-Fab F9984CC Nerf Bar Step System 1999–2016 Ford F450/F550 Super Duty Crew Cab

N-Fab F9984CC Cab Length Nerf Bar – Rugged Side Steps with Built-In Muscle

If your truck’s your workhorse, you need steps that can take a beating—and N-Fab’s Nerf Bar delivers. Built for hard use with a tight-fitting, rugged profile, this ain’t just a pretty upgrade. It’s a nerf bar with real backbone and side steps that hold steady when it’s time to climb in or haul out. Crafted with patented drop-down step styling, these bars stay tucked up high for a clean look while still offering truck step bars that make getting in and out feel like second nature. Whether you’re rocking a flatbed, camper, or just want sharp, functional steps, this setup’s got the grit to match your grind.

Elevate your Ford F450/F550 Superduty with these Best Truck Step Bars from N-Fab!

• Patented Drop Step Design- Easy access with smart geometry—these nerf step bars give you grip where you need it, with no compromise on clearance or body lines.
• Rocker Panel Mount – No Drilling Required- Built to bolt on strong without cutting or drilling. That means faster install and zero damage to your truck’s frame.
• Solid One-Piece Steel Construction- This ain’t no modular setup. It’s a fully welded, .084-inch wall steel tube—ready to hold up to 465 lbs. without flexing.
• Clean High-and-Tight Fitment- Hugs the rocker for a tight, factory-style install that keeps debris out and toughness in. Protects from road grime and rocks while looking mean.
• Black Finish That Lasts- Zinc coating underneath, glossy black on top. Won't rust or fade.

Why is this Nerf Step Bar the Right Choice for Your Ford F450/F550 Super Duty?

Whether you're wrangling gear, hauling up tools, or just want a safer climb into your cab, the N-Fab Cab Length Nerf Bar offers the perfect combo of form and function. With its hoop-style side steps, high-clearance fitment, and bolt-on simplicity, it’s built for trucks that don’t sit pretty—they work.

Don’t just add steps—bolt on some backbone. Get N-Fab side steps for trucks and step up your ride with confidence.

Custom Bumper Tips

Always do your homework before you buy a bumper! Below you can find everything you need to know about bumpers’ weight, thickness, selection, and more.To help your decision, we’ve compiled a full list of all the bumpers we carry. Compare them by look, function, and price.

Everyone wants to know about the weight of steel bumpers and we’re here to help you out. In this blog, you can find every answer to any question you could have about it.

What’s the right thickness for a bumper? Find out with our guide to bumper thickness.

• Free Shipping Policy: Click to review
• Ships directly from N-Fab
• Return Policy:  30-Day Money-Back Guarantee Details
• Warranty: 

   

  Lifetime Manufacturer's Warranty: Covers broken, stressed, and/or defective welds on Nerf-Steps, Pre-Runner's, DRP Light Cages, Rear-Runner's, Harley Bars, and Light Bars as well as their brackets. All warranty claims must be presented by the original purchaser with original POP.

  Lifetime Stainless corrosion protection warranty for any rusting issues or product manufacture defects.

  5 Year powder coated Finish Warranty: Covers corrosion issues, bubbling, cracking to the powder coated finish whether it is standard high gloss black, textured black or custom color matched powder coat. Doesn't cover scraped or abuse do to usage that subsequently caused related damage or issues to the finish.

  1 Year 2 Stage Paint finish Warranty: Covers bubbling, cracking, and/or any imperfection in automotive 2 stage color matches on Nerf-Steps, Pre-Runner's, DRP Light Cages, Rear-Runner's, Light Bars, Harley Bars.

We work hard to ensure that the prices of our aftermarket truck bumpers are the best available online. That’s why we guarantee that you’ll get the lowest price on all of our bumpers and accessories. Here’s how it works:

• We guarantee that the price of our aftermarket truck bumpers is the best available online. If you find an online store that offers a specific model at a lower price, let us know and we’ll match their price for your purchase.
• If you find that the exact bumper at an even lower price online within 6 months after your purchase, we will refund you the difference. Simply send a price difference refund request to support@bumperonly.com. This applies even to the prices from our own store at BumperOnly.com
• The competitor must be an online retailer with no physical stores and they must be an authorized dealer of the bumpers or accessories in question. The competing online store must also have the product in stock on their website for our price match guarantee to apply.
• The price match guarantee does not apply to online marketplaces such as Amazon, eBay, Overstock or any other similar websites. The competitor must be selling the item directly on their own online store.
• Additional promos cannot be applied in addition to the price match guarantee. For example, the free gift promo cannot be added on top of the price match guarantee. Only one promotion can be applied per purchase.

Once we confirm that your order is eligible for our price match guarantee, you can be confident that you’re getting the very best deal online.

Whether you’re looking for heavy-duty truck bumpers by Ranch Hand, a winch bumper by Fab Fours, or any other aftermarket truck bumper, if you shop with BumperOnly, you’ll never have to worry about buyer’s remorse.

For any questions about our price match guarantee, feel free to get in touch.

Shop without fear. Let BumperOnly take care of the rest.