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Grimm OffRoad 2021+ Ford Bronco ARB Twin Compressor Mounting Bracket Kit
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- Description
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- Complete bracket kit for exterior mounting of ARB's Twin Compressor
- Mounts one ARB Twin Compressor
- Places compressor in engine bay
- Comes with brackets, wiring, hose, air fittings, and hardware
- Backed by a limited lifetime warranty
- Made in the USA
Bracket Kit for Engine Bay Mounting an ARB Twin Compressor
Grimm OffRoad’s compact mounting bracket kit solidly mounts ARB's Twin Air Compressor under the hood of your 2021+ Ford Bronco. This is the most functional and integrated kit on the market. The included wiring harness allows convenient access to the on/off switch and air chuck on the right front fender and by tucking the air compressor vertically inside the inner fender, it is kept away from the elements while keeping the noise where it belongs: outside.
Includes Durable Steel Brackets, Lines, and Wiring
The Grimm OffRoad bracket kit includes four steel brackets, a new air line and fittings, and a wiring extender that connects to the compressor's standard harness. Each bracket is made out of steel with a black powder coat finish to protect against corrosion. The larger brackets mount the compressor itself inside your Bronco's inner fender, while the smaller brackets support and stabilize the compressor. The compressor is oriented with the two inlet air filters at the top of the engine compartment. The kit comes with a new braided stainless steel hose that runs to the included bulkhead fitting for attaching an air coupling like the one included in ARB's 171302 Pump Up Kit. Each kit comes with all the necessary fittings, hardware and instructions you need to get it installed on your Bronco.
- Easy to access air for airing up tires or setting up air lockers
- Much quieter than cabin-mounted air compressors
- Precision-cut, high-strength steel mounting brackets
- All hoses, fittings, and hardware required for installation are included
- Mounts ARB Twin Compressor above RH inner fender liner away from mud and water
- Locates compressor intake filters at the top of the engine compartment
- Simplifies the ARB wiring harness installation
- Limited Lifetime Warranty
- Made in the USA
Fitment:
- 2021+ Ford Bronco
- This bracket kit is only compatible out of the box with ARB's Twin Air Compressor (ARB Part# CKMTA12). We cannot guarantee the fitment of other air compressor systems.
- Compatible with ARB's 171503 Compressor Manifold for installing additional accessories or air lockers.
- Does not fit the Bronco Raptor
Shipping Policy
Shipping Policy
Free Shipping Over $250
OffRoadSpecialty.com offers free standard shipping on all orders over $250 within the contiguous United States.
Restrictions:
Free shipping does not apply to oversized items, freight shipments, or deliveries to Alaska, Hawaii, or U.S. territories. Additional shipping charges may apply for certain products based on size, weight, or delivery location.
Additional Terms:
This offer cannot be combined with any other promotion, discount, or coupon code. When multiple discounts or promotions are available, the best eligible discount will be automatically applied at checkout.
Delivery Timeframes
- Standard Shipping: 3–7 business days after order processing.
- Expedited Shipping: 2-day and next-day air options are available at checkout for an additional cost. Delivery times are estimates and may vary based on your location and carrier performance.
- Order Processing: Orders placed before 12 PM CST on in-stock items typically ship the same business day. Exceptions may apply based on supplier processing times or carrier delays.
Oversized Items
Some items, such as wheels, tires, bumpers, racks, full suspension kits, and campers, may require additional handling charges due to size, weight, or truck freight requirements.
Oversized item fees include:
- Tents: $200
- Bumpers & Racks: $100
- Magpak Camper: $300
These charges will be clearly displayed during checkout before you complete your order.
Additional Notes
- Free shipping offer may not apply to all product categories.
- Delivery times for expedited options are estimates and may vary based on your location.
Fulfillment Notice
Off-Road Specialty operates as a dropshipping business. Products are shipped directly from our suppliers to your door. Shipping times may vary depending on the supplier’s location and availability. We work only with trusted partners to ensure timely and secure delivery.
Lost or Damaged Shipments
If your order arrives damaged or is lost in transit, please contact us at sales@offroadspecialty.com within 48 hours of delivery (or expected delivery date). For freight shipments, note any visible damage on the Bill of Lading (BOL) before signing.
Refund Policy
We accept returns within 30 days of delivery for new, unused items in original packaging.
To start a return, email sales@offroadspecialty.com with your order number and reason for return. If approved, we’ll issue a prepaid return label (or you may use your own carrier, depending on the item).
Refunds: Issued to the original payment method within 5–10 business days after inspection.
Exceptions:
- Custom or special-order items
- Installed or used items
- Items without original packaging
For freight shipments, note delivery damage on the BOL and contact us within 48 hours.
You can always contact us for any return question at sales@offroadspecialty.com.








