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KL JL-JK-OBA
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(Excludes 2 Dr, Diesel, Hybrid, 392, & 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

$899.95
Kleinn Automotive Accessories stands behind the quality and craftsmanship of our products. Our products are covered against defects in materials and workmanship when properly installed and used under normal operating conditions, subject to the terms below.
Unless otherwise specified, Kleinn Automotive Accessories products are covered by a 1-year limited warranty from the original date of purchase.
This warranty applies to the original purchaser and covers defects in materials and workmanship under normal use.
If a product is determined to have a covered warranty defect, Kleinn Automotive Accessories will, at its discretion, repair or replace the defective product or component.
This warranty does not cover damage or failure resulting from:
Kleinn Automotive Accessories is not responsible for installation or removal charges, diagnostic fees, labor costs, vehicle downtime, loss of use, or other incidental or consequential expenses associated with warranty service.
To request warranty service, email warranty@kleinn.com with the following information:
A Kleinn representative will review your claim and may first attempt to resolve the issue through technical support.
If the product needs to be returned for inspection, Kleinn will provide a Return Authorization (RA) number and return instructions. Products should not be returned without prior authorization.
Once received, the product will be inspected to determine whether the issue is covered under warranty. If a covered defect in materials or workmanship is confirmed, Kleinn will, at its discretion, repair or replace the defective product or component.
If inspection determines that the product does not have a covered warranty defect, the product may be returned to the customer, and the customer will be responsible for applicable return shipping costs.
This limited warranty gives you specific legal rights. You may also have other rights, which vary from state to state.
Your item must be in its original unused condition to be returned, unless there is a manufacturer defect. You must return the item within 30 days of your purchase.
1. Please email support@kleinn.com to request a refund and we will assign you a Return Authorization #.
2. Mail your returned item to:
Kleinn Automotive Accessories
Returns Department
4045 N Highway Drive
Tucson, AZ 85705
3. Include in your package a signed letter stating the reason for your return and the original receipt.
Merchandise that has been worn, used, or altered will not be accepted for return or exchange.
All returns are subject to a 15% restocking fee, which will be deducted from your refund. If shipping and handling fees were applied to your order, they are non-refundable.