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🧾 Overview
The Grimm OffRoad ARB Twin Compressor Mounting Bracket Kit is a purpose-built engine bay mounting solution designed specifically for the 2021–Present Ford Bronco. This system securely mounts the ARB Twin Air Compressor (CKMTA12) vertically inside the passenger-side inner fender for a clean, protected, and highly integrated installation.
By relocating the compressor under the hood, this kit keeps the intake filters positioned at the top of the engine compartment, away from mud and water intrusion, while also keeping compressor noise outside of the cabin. The included wiring extender and braided stainless air line provide convenient access to the switch and air chuck at the right front fender for easy tire inflation or air locker operation.
This bracket kit is designed exclusively for the ARB Twin Compressor (CKMTA12) and is not guaranteed to fit other compressor systems.
✔ Engine bay mounting solution for ARB Twin Compressor
✔ Cleaner, quieter setup vs. cabin mounting
✔ Precision-cut steel brackets with black powder coat finish
✔ Includes wiring extender, air line, and fittings
✔ Made in the USA
🛠 Installation
- 100% bolt-on installation using factory mounting locations in the engine bay.
- No cutting or welding required.
- Electrical wiring must be routed properly and secured away from heat sources.
📌 Specs
- Key Features & Benefits
- Engine Bay Integration – Mounts compressor above the passenger-side inner fender liner
- Vertical Compressor Orientation – Intake filters positioned high in engine compartment
- Noise Reduction – Keeps compressor noise outside the cabin
- Protected Placement – Keeps compressor away from mud and water exposure
- Precision Steel Brackets – High-strength, powder-coated construction
- Simplified Wiring – Includes harness extender for easier switch and power routing
- Braided Stainless Air Line – Durable, heat-resistant connection to bulkhead fitting
- Convenient Air Access – Ideal for tire inflation and air locker operation
- Made in the USA – High-quality domestic manufacturing
- Limited Lifetime Warranty
📘 Specifications
- Brand: Grimm OffRoad
- Product Type: Compressor Mounting Bracket Kit
- Vehicle Platform: Ford Bronco
- Model Years: 2021–Present
- Compressor Compatibility: ARB Twin Compressor (CKMTA12)
- Mount Location: Passenger-Side Inner Fender (Engine Bay)
- Bracket Material: Steel
- Finish: Black Powder Coat
- Air Line Type: Braided Stainless Steel
- Country of Origin: USA
📦 What’s Included (What’s in the Box)
- Mounting Components
- (4) Powder-coated steel mounting brackets
- Bracket mounting hardware
- Air System Components
- Braided stainless steel air hose
- Bulkhead fitting
- Required air fittings
- Electrical Components
- Wiring extender harness for ARB Twin Compressor
- Documentation
- Installation instructions
- ⚠️ Note: ARB Twin Compressor (CKMTA12) is NOT included.
- ⚠️ ARB 171302 Pump Up Kit air coupling not included (referenced for compatibility only).
🛡 Warranty
- Limited Lifetime Warranty provided by Grimm OffRoad.
⚠️ Fitment Notes
- Ford Bronco (2021–Present)
- All trims except Bronco Raptor
⚠️ Fitment Notes
- Compatible only with ARB Twin Compressor (ARB Part #CKMTA12).
- Compatible with ARB 171503 Compressor Manifold for expanded air system setups.
- Not compatible with Bronco Raptor.
- Does not guarantee fitment with other air compressor brands or models.
- Professional installation recommended.