AMP Research

AMP PowerStep XL for 2021-2025 Ford Bronco 4-Door

Name: AMP PowerStep XL for 2021-2025 Ford Bronco 4-Door
Brand: AMP Research
SKU: 77140-01A
Price: 2299.99 USD
Availability: BackOrder

$2,299.99 USD

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SKU:77140-01A

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Key Features

Extends about 3 inches lower than the standard PowerStep for easy entry on lifted and leveled trucks
Auto-deploys the instant a door opens and retracts flush under the rocker when the doors close
6-inch wide, cab-length aluminum step with non-slip tread, rated to support 600 lb per side
Anodized, military-grade PTFE (Teflon)-coated aluminum with stainless steel pivot pins resist corrosion
Integrated LED step lights illuminate the step area at night
Complete two-side kit with vehicle-specific brackets, hardware, and wiring; backed by AMP's 5-year limited warranty

The AMP Research PowerStep XL (77140-01A) is a complete pair of electric retractable running boards for the 2021-2025 Ford Bronco 4-Door. It extends about 3 inches lower than the standard PowerStep for easier entry into a lifted Bronco, then retracts flush under the rocker off-road.

Why owners choose it

Extends about 3 inches lower than the standard PowerStep, so stepping into a lifted or leveled truck takes far less of a climb.
Auto-deploys the instant a door opens, then retracts flush under the rocker a few seconds after the doors close — hidden and out of the way when not in use.
6-inch wide, cab-length aluminum step board with a non-slip tread, rated to support 600 lb per side.
Anodized aluminum with a military-grade PTFE (Teflon) coating and stainless steel pivot pins resists corrosion.
Integrated LED step lights illuminate the step area at night.
Retracts flush for full ground clearance and a clean factory look.

What's included

Sold as a complete kit for both sides of the truck. Includes the driver- and passenger-side PowerStep XL assemblies with motors, vehicle-specific mounting brackets and hardware, a wiring harness, integrated LED step lights, and an installation guide. AMP recommends professional installation.

Specifications

Type: Electric retractable running boards, PowerStep XL (sold as a pair)
Extra drop: About 3 in. lower than the standard PowerStep
Step: 6 in. wide, cab-length aluminum with non-slip tread
Load rating: 600 lb per side
Coating: Anodized aluminum with military-grade PTFE (Teflon) coating; stainless steel pivot pins
Motors: Single-motor design (one per side)
Lighting: Integrated LED step lights
Warranty: 5-year limited manufacturer warranty

Fitment

Fits 2021-2025 Ford Bronco 4-Door only. Does not fit the 2-door Bronco, the Bronco Raptor, or the unibody Bronco Sport.

How the PowerStep XL differs

The XL adds about 3 inches of extra drop for lifted and leveled Broncos. It is cut for the 4-door body only — the 2-door Bronco and the Bronco Sport are different vehicles and use different applications.

FAQ

Does the 77140-01A fit a Bronco Sport?

No. It fits the body-on-frame Ford Bronco 4-Door only, not the unibody Bronco Sport, the 2-door Bronco, or the Bronco Raptor.

What is the difference between the PowerStep XL and the standard PowerStep?

The PowerStep XL extends about 3 inches lower than the standard PowerStep, making a lifted or leveled truck easier to climb into. Both use the same 6-inch aluminum step, 600 lb-per-side rating, integrated LED lights, and auto deploy/retract; the XL just drops farther.

Is the PowerStep XL sold as a pair?

Yes. This part number is a complete two-side kit with both the driver- and passenger-side PowerStep XL assemblies.

What warranty does AMP Research provide?

AMP backs the PowerStep with a 5-year limited warranty against defects in materials and workmanship.