AMP Research PowerStep™ | Automatic Electric Running Boards | 2020–2022 Ford Super Duty P558 | SKU: 76236-01A

Brand: AMP Research | SKU: 76236-01A | Material: Die-Cast Aluminum (Anodized & PTFE Coated) | Application: Automatic Electric Deploy | Platform: Ford Super Duty P558 (2020–2022) | Free Shipping, Lower 48 | Affirm & Afterpay Available

You Run a Super Duty That Works. Don't Compromise on Access.

Factory rocker panels on 2020–2022 Ford Super Duty (F-250, F-350 SRW, F-450) trucks sit a punishing 18–22 inches off the pavement. Whether your heavy-duty rig operates in High-Mercury job sites where ground temperatures radiate past 145°F, or Alpine routes where sub-zero mountain passes subject the chassis to immediate ice locking, cab entry is an exhausting physical strain. Commercial operators, hotshot haulers, and service professionals compound this liability dozens of times a day when stepping in to access gear.

Traditional stationary running boards permanently rob your heavy-duty rig of nearly eight inches of true underbody clearance, acting as a permanent trail obstacle. Worse yet, stationary steps act like a collection funnel, tracking slick winter slush, mud, and raw gravel directly onto your boots and into the interior carpet.

Cheap imitation electric steps fail under real work loads. Low-grade step motors lag under structural weight, freeze solid when winter road brine seeps into unshielded pivot links, and warp along plastic component seams during extreme temperature swings.

The AMP Research PowerStep (SKU: 76236-01A) is the permanent, industrial-grade fix. Engineered exclusively for 2020–2022 Ford Super Duty P558 platform Crew Cab and SuperCab trucks, this system features smart, weather-sealed electric motors that instantly drop a full-length, high-traction step down 8 inches when a door swings open. On door closure, the step retracts completely flush beneath the rocker panels—protecting the mechanical linkages, maximizing aerodynamics, and maintaining your underbody ground clearance.

The Obsidian Take

Engineering for Extreme Temperature Envelopes

The Ford Super Duty P558 platform (2020–2022) operates across the most demanding thermal and mechanical underbody environments in commercial trucking. The 76236-01A is an ultra-specific, high-demand kit geometrically mapped to match the precise rocker profiles, cab mount tracks, and electrical configurations unique to this specific generation of Ford heavy-duty trucks.

High-Mercury Durability: Anodized Aluminum + PTFE Finish

In high-heat regions, intense UV exposure chalks, fades, and warps budget steps within a single season. These premium steps are crafted from high-tensile die-cast aluminum coated in a military-grade Type III anodized finish and a PTFE non-stick corrosion shield. Anodizing creates a permanent oxide barrier that becomes part of the metallurgy itself, resisting rock chips and salt pitting. The embedded PTFE layer ensures non-slip traction on freezing mornings and prevents road tar, salt crystallization, or liquid mud from sticking to the tread.

The Motor: Single Per Side, Weather-Sealed

Driven by a single weather-sealed high-torque electric motor per side, the control module reads door switches directly through the vehicle's computer network and drops both boards fluidly in approximately 1 to 1.5 seconds. The motor assembly utilizes stainless steel fasteners, gasket-sealed electrical connections, and an internal epoxy conformal coating on the circuit boards to protect against thermal loading. This system safely supports an unyielding 600 lbs per side static load capacity—handling heavy contractors loading themselves plus tools without flex or binding.

P558 vs. P702 Platform: Why Generation Matters

Ford completely redesigned the Super Duty platform, separating these vehicles by distinct structural eras:

• P558 Platform (2020–2022): Original cab generation, electrical node mapping, and rocker panel geometry covered by this SKU.

• P702 Platform (2023–2026): Complete structural overhaul. Features entirely revised rocker mounting angles, updated CAN-bus data architecture, and different door-trigger harness pinning configuration.

Attempting to force-install a P558-specific kit onto a 2023 or newer P702 truck will result in immediate physical bracket misalignment and non-functional electrical gateway errors.

⚠️ CRITICAL COMPATIBILITY WARNINGS — Read Before Ordering

• [LOCKOUT 1 — P558 PLATFORM ONLY (NOT P702)]: This kit is engineered exclusively for Ford Super Duty P558 platform trucks (2020–2022). It will NOT communicate with or bolt onto 2023–2026 P702 next-generation trucks due to comprehensive changes in Ford's body styling and digital body control infrastructure.

• [LOCKOUT 2 — CREW CAB & SUPERCAB ONLY]: Fits 4-door Crew Cabs and 4-door SuperCabs with rear-hinged doors only. This SKU is entirely incompatible with 2-door Regular Cabs or specific commercial fleet variants with customized extended front door profiles.

• [LOCKOUT 3 — COMMERCIAL CHASSIS & F-450 CAB-OVER EXCLUSIONS]: This kit fits standard under-bed pickup configurations. Commercial F-450/F-550 Chassis Cabs, flatbed upfits, and cab-over vocational builds utilize completely separate rocker height panels and mounting geometry and are entirely locked out.

• [LOCKOUT 4 — ACCESS HARDWARE CONFLICTS]: The PowerStep linkage arms require clean, exclusive access to the underbody rocker seams. This system is completely incompatible with frame-mounted rock sliders, body nerf bars, or heavy custom fender flares that cross into the step traveling arc.

Confirmed Fitment (OFAS Standard)

• [Platform Note]: This kit interfaces purely with 2020–2022 P558 heavy-duty architecture. Next-generation 2023+ P702 models are entirely locked out.

• [Cab Configuration Note]: Crew Cab variants are a direct bolt-on. SuperCab models utilize the identical front latch pathways. Regular cabs are incompatible.

• [F-450 / Commercial Note]: Standard pickup F-450 models proceed normally. Cab-over, commercial service bodies, and bare chassis-cab trucks are incompatible.

Technical Specifications

Before You Order — 4 Fitment Checkpoints

1. Platform Identification (CRITICAL — P558 vs. P702): Verify your truck model year. This kit fits 2020, 2021, and 2022 platforms only. If your Super Duty is a 2023, 2024, 2025, or 2026 next-generation truck, do not buy this kit. The mounting brackets will not align, and the electrical data streams are completely incompatible.

2. Cab Configuration Verification: Check your door profile. This kit fits 4-door Crew Cabs and SuperCabs only. If you own a 2-door Regular Cab or a commercial cab layout with custom structural alterations, you are locked out of this SKU.

3. F-450 & Commercial Body Audit: Check your rear bed. This kit is built strictly for standard pickup truck boxes. If your F-350 or F-450 is a Chassis Cab, a commercial service box upfit, or a vocational cab-over build, your custom rocker dimensions will cause immediate bracket mismatch.

4. Underbody Side Armor Check: Look beneath your rocker panels. Any existing frame-mounted rock sliders, body nerf bars, or step bars must be completely unbolted and removed prior to installation. The PowerStep deployment brackets require clean, exclusive access to those factory body tracks.

Professional Installation & Mechanical Notes

Main Power Routing Strategy

Unlike low-draw accessories, this high-torque motor harness requires a dedicated heavy-gauge circuit routed entirely through the firewall grommet directly to the primary engine bay battery terminals via an integrated 30-amp fused inline trunk. Under-dash circuit tracks cannot deliver the sustained 15-amp draw the step motors require during simultaneous deployment.

• Step 1: Locate your positive battery terminal in the engine bay and route the provided 10-gauge red insulated wire through the main firewall grommet.

• Step 2: Feed the wire paths into the cabin interior and connect directly to the main PowerStep harness using the provided marine-grade heat-shrink terminal blocks. Connect the primary 10-gauge black ground wire to an unpainted, bare metal chassis frame point.

• Step 3: Connect the plug-and-play pass-through wiring links directly to your factory door latch connectors inside the doors. Test the system prior to final bracket torque to ensure smooth motor cycling (~1 to 1.5 seconds). Weak battery voltage (<11.2V) will slow deployment speed and stress internal gears.

Rocker Panel Mounting & Fastener Torque

The step brackets mount entirely to the body rocker panel tracks using the factory reinforcement locations.

• Step 1: Align the heavy aluminum brackets against the pre-drilled rocker holes and install all fasteners loosely hand-tight.

• Step 2: Manually cycle the linkage arms 3–4 times without power hooked up to verify a smooth traveling arc with zero bind or friction scrape.

• Step 3: Torque all mounting hardware in a diagonal cross pattern to exact AMP factory specifications using a calibrated torque wrench. Never over-torque, or you risk twisting the bracket tracks and causing premature motor strain.

• Pro Tip: On the driver side underbody routing, NEVER zip-tie the wire harness to the factory brake lines. Secure all lines at least 2 inches away from moving or vibrating fluid components.

AMP RESEARCH POLICY NOTE: Due to the vehicle-specific software programming loaded into the plug-and-play diagnostic gateway box, once this wiring network has been connected to vehicle power, the system is non-returnable. Double-check all vehicle configurations prior to unboxing electrical sub-assemblies.

Questions We Get Asked

How do the running boards know exactly when to deploy and retract? The system includes a plug-and-play door-trigger harness that interfaces directly with your OEM door latch connectors inside the door panels. It reads the digital door open and close signals directly from your truck's onboard computer network and instantly routes 12V power to the weather-sealed step motors. Both sides deploy simultaneously when any door opens.

What is the functional difference between this standard PowerStep and the PowerStep XL? The standard PowerStep (this kit) drops 8 inches below the rocker panels and retracts completely hidden and flush beneath the lower body lines for a clean OEM look. The PowerStep XL integrates a permanent structural rocker guard housing, and the step drops an additional 2 to 3 inches lower, making it ideal for highly lifted heavy-duty trucks.

Will an aftermarket suspension lift kit interfere with the step linkages? No. Because the mounting links anchor directly to the rocker panel sheet metal rather than the frame rails, suspension lifts between 2 and 6 inches have zero effect on installation geometry. However, body lifts greater than 3 inches space the cab plane away from the frame, altering ground clearance.

Why won't this kit handshake with a 2023 or newer Ford Super Duty? Ford completely overhauled its vehicle electrical infrastructure for the 2023 model year launch, moving to a secured digital gateway architecture. The OBD data protocols and rocker panel mount matrices share zero crossover layout with the 2020–2022 P558 systems.

Why Buy From Obsidian Forged Auto Supply

• Authorized AMP Research Dealer — Full manufacturer warranty validation (5-year motor, 3-year finish) with factory-direct tracking.

• Free Shipping, Lower 48 — Rapid large-parcel ground delivery shipped directly from our closest regional distribution warehouse.

• Real Fitment Verification — Text (469) 407-7538 (SMS only) with your Super Duty’s VIN, cab profile, and bed setup. An Obsidian specialist will audit your factory build sheet for a 100% certified fit confirmation before shipping.

• Premium Financing Available — Safe, secure checkout flexibility via Affirm and Afterpay on qualifying orders.

Disclaimer

The technical and product information presented above is compiled from data provided directly by the component manufacturer. Obsidian Forged Auto Supply maintains a rigorous engineering audit workflow to ensure vehicle fitment compatibility; however, we are not responsible or liable for sudden manufacturer-driven specification updates, raw metadata changes, or accuracy discrepancies in the foundational data sheets provided by the manufacturer.

2020–2022 Ford Super Duty (P558 platform). F-250, F-350 Pickups, and F-450 Pickups. Crew Cab and SuperCab. Clear the underbody entry safely. Add to cart.

Unsure if your heavy-duty Ford's exact model year split, custom service bed, or negative wheel offset will clear this automatic step geometry? Text your build specs to (469) 407-7538 and an Obsidian technician will verify it.