1. Product Overview
The MaxMate 4-inch Nerf Bars (Model WB2D42027) are designed to provide a secure step for easier entry and exit from your truck. These side steps are constructed from heavy-duty polished stainless steel, offering durability and resistance to rust and corrosion. They feature UV-resistant, non-slip wide step pads for enhanced safety.
2. Compatibility
These nerf bars are compatible with the following vehicle:
- 2019-2026 Ram 1500 Quad Cab
Important Compatibility Notes:
- Only fits Quad Cabs, which have 2 full-size front doors and 2 narrower rear doors.
- NOT compatible with Crew Cab or Mega Cab models.
- NOT compatible with 2019-2024 Ram 1500 Classic models (old body style).

Figure 2.1: Ram 1500 Classic vs. Standard Fitment Guide. Verify your vehicle's emblem to ensure compatibility. The product does not fit models with "Classic" below the side emblem.

Figure 2.2: Cab Size Compatibility Guide. This product is designed for Quad Cab models only, featuring two full-size front doors and two narrower rear doors. It is not suitable for Crew Cab or Mega Cab configurations.
3. What's in the Box
The package includes the following components:
- Driver side step bar (1)
- Passenger side step bar (1)
- Mounting brackets (6, universal)
- All necessary hardware (bolts, nuts, washers)

Figure 3.1: Packaged Product. The MaxMate Nerf Bars are shipped securely in a branded box, including all components for installation.
4. Setup (Installation)
Installation of the MaxMate Nerf Bars is designed to be straightforward and typically takes approximately 20 minutes per side. No drilling is required as the steps mount directly onto the vehicle's rocker panel using existing factory mounting points.
Required Tools:
- Ratchet
- 13mm socket
- 1/2 inch deep well socket (or 1 inch socket for die)
- Optional: Thread cleaning die (e.g., 25mm) for cleaning paint from factory bolts.
- Optional: Wire brush or Dremel with steel wire brush attachment for thread cleaning.
Installation Steps:
- Prepare Mounting Points: Locate the factory mounting bolts on the vehicle's rocker panel. These bolts may have paint or primer covering the threads from the factory. It is recommended to clean these threads before installation to prevent cross-threading.
- Optional: Use a thread cleaning die (e.g., 25mm) with a 1-inch socket to gently remove paint from all 18 bolts (9 per side). Alternatively, use a wire brush or Dremel with a steel wire brush attachment. Exercise caution to avoid damaging the threads.
- Attach Brackets: Install the six universal mounting brackets to the cleaned factory bolts using the 13mm socket. Leave the bolts slightly loose so the brackets can wobble. This allows for easier alignment in subsequent steps.
- Position Step Bar: Take one step bar and lay it onto the installed brackets for one side of the vehicle.
- Initial Fastening: Align the center hole of the step bar with the corresponding bracket. Insert a bolt into this center hole. Then, loosely insert all other bolts to connect the step bar to the remaining brackets. The step bar will still have some movement.
- Adjust and Tighten: Adjust the step bar's position and level as desired. Once satisfied with the alignment, progressively tighten all bolts and nuts securely.
- Repeat for Other Side: Follow the same steps for the opposite side of the vehicle.
Caution: Do not fully tighten any fasteners until all components are loosely assembled and properly aligned. This prevents misalignment and potential damage.
5. Operating Instructions
The MaxMate Nerf Bars provide a stable and secure stepping surface for entering and exiting your vehicle.
- Step onto the wide, non-slip step pads when entering or exiting the vehicle.
- Ensure your footing is secure before applying full weight.
- The step bars are designed to support a maximum weight capacity of 500 lbs (226 kg). Do not exceed this weight limit.

Figure 5.1: Non-Slip Step Pad Detail. The step pads are designed with a textured surface for secure footing and are UV-resistant for durability.

Figure 5.2: Installed Nerf Bar. The step bar provides a convenient and stable platform for vehicle access.
6. Maintenance
To ensure the longevity and appearance of your MaxMate Nerf Bars, follow these maintenance guidelines:
- Regular Cleaning: Clean the step bars regularly with mild soap and water to remove dirt, road grime, and salt. Rinse thoroughly and dry with a soft cloth to prevent water spots.
- Avoid Harsh Chemicals: Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the polished stainless steel finish and the UV-resistant step pads.
- Inspect Fasteners: Periodically check all mounting bolts and nuts to ensure they remain tight. Re-tighten if necessary to maintain structural integrity.
- Inspect Step Pads: Examine the non-slip step pads for any signs of wear, cracking, or damage. Replace if necessary to maintain safe footing.
7. Troubleshooting
This section addresses common issues you might encounter during installation or use.
| Problem | Possible Cause | Solution |
|---|---|---|
| Difficulty threading bolts during installation. | Factory paint or primer on vehicle's mounting bolt threads. | Clean threads using a thread cleaning die or a wire brush before attempting to install brackets. Ensure bolts are started by hand to avoid cross-threading. |
| Step bars appear loose or wobble after installation. | Mounting bolts or nuts are not fully tightened. | Ensure all mounting bolts and nuts connecting the brackets to the vehicle and the step bars to the brackets are securely tightened. |
| Step bars are not level. | Improper adjustment during installation. | Loosen the bolts connecting the step bars to the brackets, adjust the level, and then re-tighten all fasteners. |
| Corrosion or rust spots appear on the finish. | Exposure to harsh elements, lack of regular cleaning, or use of abrasive cleaners. | Clean regularly with mild soap and water. Avoid harsh chemicals. For minor spots, use a non-abrasive stainless steel cleaner. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | WB2D42027 |
| Brand | MaxMate |
| Material | Carbon Steel, Stainless Steel |
| Exterior Finish | Polished Stainless Steel |
| Step Pad Width | 4 inches |
| Weight Limit | 500 Pounds (226 kg) |
| Item Weight | 46.8 pounds (21.2 kg) |
| Package Dimensions | 78.5 x 14.96 x 7.64 inches (199.4 x 38 x 19.4 cm) |
| Installation Type | No-drill, rocker panel mount |
9. Warranty and Support
MaxMate provides a 5-year warranty against manufacturer defects for US customers.
For warranty claims, technical assistance, or any product-related inquiries, please contact MaxMate customer support directly. Refer to your purchase documentation or the official MaxMate website for current contact information.