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LUVERNE Grip Step wheel-to-wheel running boards equip your pickup truck for whatever job lies ahead. They offer easier truck bed access, fleet-level safety, a highly rust-free construction and a custom fit for your truck and lifestyle. Grip Step wheel-to-wheel steps are the ideal solution for better truck bed access. Whether you need to reach a truck tool box, ladder rack or some cargo in the truck bed, the wheel-to-wheel steps are extra-long, providing a convenient step up for reaching into the truck bed. Grip Step running boards are also built for hard work, featuring expanded metal treads that offer fleet-approved safety. The open treads ensure maximum traction for your boots -- whether rain or shine -- and they also help keep your truck's interior clean by allowing dirt, snow and debris to pass through the boards. For superior resistance to the elements, Grip Step wheel-to-wheel running boards are made from aluminum alloy. They're strong, lightweight and highly corrosion-resistant. To maximize this corrosion resistance, the running boards and brackets are both shielded in a durable black powder coat finish. The running boards also feature hardened plastic end caps that eliminate sharp corners and add a professional touch. All LUVERNE Grip Step wheel-to-wheel steps are designed for vehicle-specific applications. This ensures a custom fit and the easiest possible installation. The running boards mount with vehicle-specific brackets and use pre-existing mounting points to avoid difficult modifications. This particular set of wheel-to-wheel running boards is designed to fit specific years of the Chevy Silverado 1500, 2500 HD or 3500 HD and GMC Sierra 1500, 2500 HD or 3500 HD (see application information to verify fitment; brackets included but shipped separately).
Grip Step wheel-to-wheel running boards are designed to be the best running boards for work trucks, featuring a unique expanded metal tread pattern for superior traction and a 7" width for reliable footing.

LUVERNE has manufactured truck accessories in the United States since 1963, specialising in grille guards, running boards, side steps and mud guards for pickups, commercial vans and SUVs. Products are built primarily from stainless steel, aluminium and mild steel, with model-specific mounting kits that use existing frame locations for a bolt-on installation.
LUVERNE has been manufacturing automotive accessories in the United States since 1963, and six decades of continuous production have made it a nationally recognised name in the truck accessory market. Now a Lippert brand, it concentrates on a defined set of products rather than spreading across the whole aftermarket: front-end protection, step access and spray protection for pickup trucks, commercial vans and sport utility vehicles.
Step products are the largest part of the catalog and the range is unusually deep, because the right step depends on the vehicle's ride height, the width of the rocker panel and how often people get in and out. The O-Mega II six-inch oval steps give a wide, flat standing surface in polished stainless or black powder coat, while the Regal 7 seven-inch oval steps go wider still for full-size crew cabs and lifted trucks. The broader running board and side bar range covers round tube, oval and boxed profiles across cab configurations, with treads positioned at the door openings where they are used.
Grille guards protect the front end against impacts, brush and road debris, built in tubular stainless or steel with model-specific brackets that tie into factory frame mounting points. Because the fit is engineered per vehicle, installation is a bolt-on job that does not require drilling or cutting on most applications.
Rounding out the line, LUVERNE mud guards and mud flaps shield rocker panels, paint and following vehicles from stones and road spray, in widths matched to the tyre and fender they sit behind. Material choice runs through everything the brand does: stainless steel where appearance and corrosion resistance matter most, aluminium where weight is the priority, and mild steel with protective coating where strength and value lead. Customers include contractors, fleet operators, van upfitters and truck owners.
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2 compatible vehicles
| Year | Make & Model | Style | Bed | Notes |
|---|---|---|---|---|
| 2014 - 2018 | Chevrolet Silverado 1500 | Crew Cab Pickup | 6'7" Bed | — |
| 2014 - 2018 | GMC Sierra 1500 | Crew Cab Pickup | 6'7" Bed | — |
Yes, the LUVERNE Grip Step 7" x 114" Aluminum W2W Running Boards, Select Silverado, Sierra 415114-401447 (Part #FTNF415114-401447) is designed to fit the 2014-2018 Chevrolet Silverado 1500.
The LUVERNE Grip Step 7" x 114" Aluminum W2W Running Boards, Select Silverado, Sierra 415114-401447 (Part #FTNF415114-401447) fits the following vehicles: 2014-2018 Chevrolet Silverado 1500; 2015-2019 Chevrolet Silverado 2500 HD; 2015-2019 Chevrolet Silverado 3500 HD; 2014-2018 GMC Sierra 1500; 2015-2019 GMC Sierra 2500 HD; 2015-2019 GMC Sierra 3500 HD. Always verify your specific year, make, and model before ordering.
The LUVERNE Grip Step 7" x 114" Aluminum W2W Running Boards, Select Silverado, Sierra 415114-401447 (Part #FTNF415114-401447) fits 2014-2018 Chevrolet Silverado 1500 models. The 2019 model year is the last year covered by this part number. For newer models, check for an updated version.
The LUVERNE Grip Step 7" x 114" Aluminum W2W Running Boards, Select Silverado, Sierra 415114-401447 (Part #FTNF415114-401447) fits both short bed and long bed configurations. Check the fitment chart for your specific Chevrolet Silverado 1500 configuration.
The LUVERNE Grip Step 7" x 114" Aluminum W2W Running Boards, Select Silverado, Sierra 415114-401447 (Part #FTNF415114-401447) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
Yes, the Model 401447 is designed for 2014 GM Silverado and Sierra pickups in Regular, Double, and Crew Cab configurations. Verify your truck matches one of these cab styles and model year before purchasing.
The bracket package includes: 3 right-hand mounting brackets (552725), 3 left-hand mounting brackets (552726), 12 M8 × 30 × 1.25 stainless steel screws (100180), 12 5/16" flat washers (106998), 6 5/16" × 1.00" zinc-plated screws (100647), 6 M8 flanged nuts (105859), 6 5/16"-18 U-nuts (105541), 6 pinch weld support brackets (551666), 4 1/2" washers (100118), 2 3/8"-16 nylock nuts (102381), 2 3/8"-16 × 2.00" bolts (101326), 4 3/8" washers (100062), 2 outboard spring hanger mounting brackets (552735), and 2 inboard spring hanger mounting brackets (551806).
No. All fasteners required for bracket installation are included in the package. However, you will need to review the separate step assembly installation instructions, which may require additional parts not listed here.
Yes. Some vehicles have threaded inserts in the rocker panels and will not require U-nut installation. If your vehicle has threaded inserts, you will use a black M8 × 30 mm screw (item #3) instead of the 5/16"-18 × 1.0" screw (item #5) at the upper mounting bracket holes. Check your rocker panel before starting installation.
1. Attach the top of the mounting brackets (items #1 and #2) to the vehicle. 2. Insert 5/16" U-nuts (item #7) into the upper rocker panel holes (unless your vehicle has threaded inserts). 3. Attach the top of the brackets using 5/16"-18 × 1.0" screws and flat washers (items #5 and #4), hand-tightened only. If your vehicle has threaded inserts, use M8 × 30 mm screws (item #3) instead. 4. Install the M8-1.25 screw (item #3) and washer (item #4) at the pinch weld, place the pinch weld support bracket (item #8) above the pinch weld, and install the M8 flange nut (item #6). Tighten all fasteners to 19 lb-ft.
1. Loosen the spring hanger bolt just enough to slide the inboard spring hanger mounting bracket (item #14) up behind the bolt flange. Position it with the channel open to the outboard side. 2. Install the outboard spring hanger mounting bracket (item #13) so its inboard vertical portion fits inside the channel of the inboard bracket. 3. Use a 3/8" zinc-plated bolt (item #11), 3/8" washer (item #12), 1/2" washer (item #9), and 3/8" nylock nut (item #10) to connect them. Do not tighten these bolts until the bracket is attached to the step assembly. 4. After the step assembly is attached, tighten the spring hanger bolt per the vehicle manufacturer's specifications.
All fasteners on the mounting brackets (items #1 and #2) must be tightened to 19 lb-ft. This includes the upper bracket fasteners and the pinch weld support bracket fasteners. The spring hanger bolt must be tightened per the vehicle manufacturer's specifications, which are not provided in this manual.
Yes. When attaching the top of the brackets with 5/16"-18 × 1.0" screws and flat washers (or M8 × 30 mm screws if your vehicle has threaded inserts), hand-tighten only. After all fasteners are installed and the pinch weld support bracket is in place, tighten all fasteners to 19 lb-ft.
Do not tighten the bolts connecting the inboard and outboard spring hanger mounting brackets (items #13 and #14) until the bracket is attached to the step assembly. After the step assembly is installed, tighten the spring hanger bolt per the vehicle manufacturer's specifications.
CURT Group recommends regular inspection and maintenance of the leaf spring attachment point per GM Technical Service Bulletin 09-03-09-001E: Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts) for 2007-2017 Chevrolet and GMC trucks. Failure to regularly inspect and maintain factory-recommended torque values may result in damage to the vehicle.
Yes, the 401447 is designed for 2014 GM Silverado and Sierra in Regular, Double, and Crew Cab configurations.
Yes, all bracket fasteners are included. You will need to review the separate step assembly instructions for any additional parts required.
No. If your vehicle has threaded inserts in the rocker panels, use M8 × 30 mm screws (item #3) instead of 5/16"-18 × 1.0" screws and do not install U-nuts.
Tighten all mounting bracket fasteners to 19 lb-ft after hand-tightening the upper fasteners.
Do not tighten them until the bracket is attached to the step assembly. Then tighten the spring hanger bolt per the vehicle manufacturer's specifications.
Regularly inspect and maintain the leaf spring attachment point per GM Technical Service Bulletin 09-03-09-001E to prevent damage to the vehicle.
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