2007-2025 JEEP WRANGLER JLU and JKU HIGH PERFORMANCE ONBOARD AIR SYSTEM

2007-2025 Jeep Wrangler JKU & JLU (4-Door Only)

(Excludes 2 Dr, Diesel, Hybrid & Models equipped with driver side skid plate)

The JL-JK-OBA Onboard Air system was designed to perform in under the vehicle conditions. Each system is 100% Bolt-On and features the heavy-duty Kleinn model 6450RC WATERPROOF air compressor with a 2.8-gallon air tank mounted on a custom designed, mounting bracket. NO Cutting, Drilling or Modifications are necessary.  These Direct Fit systems include all the necessary air line, hardware, fittings and wiring kit with 30-amp relay.The JL-JK-OBA is built rugged with a steel cage and integral skid plate for protection with no loss of ground clearance. The 6450RC compressor is fully submersible so water crossings are no problem. The JL-JK-OBA is capable of inflating 37” tires with ease. System provides an air source for air lockers, small air tools and of course, your Kleinn Air Horn. Each JL-JK-OBA includes a remote mount tire inflator with locking air chuck, digital gauge with pressure relief and storage bag.Available Train Air Horn Options - Add the Model JK220 or the JL220 Dual Train Horn to let them know you are coming over the top. Kit includes a custom designed direct fit mounting bracket and model 220 dual train horn that produces a locomotive style blast outperforming off brand knock offs. Kit is 100% bolt-on and requires no drilling. The JK220 and the JL220 are both designed to work with the JL-JK-OBA. The JK-6450 upgrade adds another 6450RC compressor to the system for inflation in double time! The JK6450 includes wiring, fittings, plus an additional INF-1 inflator kit to allow front and rear quick connections providing powerful. efficient tire inflation.

JL-JK-OBA Installation Instructions

JK220 Installation Instructions

JL220 Installation Instructions

​Don’t Get Stranded — Add a Kleinn Onboard Air Station

Upgrade your vehicle with a Kleinn Onboard Air System and gain a powerful, reliable air source without sacrificing your spare tire. A Kleinn system transforms your truck or SUV into a fully capable onboard air station, perfect for everyday convenience, off‑road adventures, and emergency situations.

A Complete Onboard Air Solution for Any Situation

A Kleinn onboard air system gives you the versatility and power to handle a wide range of tasks, including:

• Supporting compact air horns and full‑size train horns

• Inflating tires with the included tire inflation kit

• Filling rafts, air mattresses, and recreational gear

• Powering small pneumatic tools for roadside repairs

• Cleaning your cab with an optional air blow gun or air‑powered cleaning tools

• Supporting air bag suspension systems

Whether you're off‑roading, towing, or simply want the convenience of onboard air, this system has you covered.

Unmatched Power & Premium Components

At the core of every Kleinn Beast system is a 100% duty‑cycle waterproof air compressor paired with a high‑capacity, anti‑corrosion‑coated steel air tank built for long‑term durability. This combination delivers consistent, reliable air output for horns, tools, tires, and more.

True Direct‑Fit Installation

Every component mounts cleanly under your vehicle using precision‑engineered, powder‑coated steel brackets that bolt directly to factory locations. That means:

• No drilling

• No guesswork

• No cutting

• OEM‑clean fitment

Just a stealthy, rock‑solid installation that performs flawlessly and stays out of sight.

Built for Long‑Term Performance

Kleinn systems are engineered to last. Every hose, fitting, and accessory is designed for long‑term punishment and minimal maintenance. Each complete onboard air kit includes:

• Heavy‑duty air hose

• Quick‑connect fittings

• Glow‑in‑the‑dark inflator gauge

• All wiring and hardware required

Everything you need for a complete onboard air and train horn setup comes in the box.

YouTube Installation Overview

Check out the installation video showing component placement and mounting. Don’t forget to subscribe to our channel for more product walkthroughs and updates:

https://www.youtube.com/watch?v=LbvNUH9R0uM​

System Highlights

• Direct‑Fit 100% Bolt‑On Installation

• No Drilling, Welding or Modifications Required

• Model 6450RC 150/200 PSI Waterproof Air Compressor — 100% Duty Cycle

• Panel‑Mounted 160 PSI Gauge with ON/OFF Rocker Switch

• 3‑Gallon Inner‑Coated Steel Air Tank

• Remote‑Mount Quick‑Connect Tire Inflator, Air Hose & Storage Bag

• All Fittings, Wiring, Air Lines & Hardware Included                                                                                                                                                                                                      

• Kleinn Juice‑1 Thread Sealant

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