Kleinn Air Horns · New

Kleinn HK3 Complete Set of Fittings

Name: Kleinn HK3 Complete Set of Fittings
Brand: Kleinn Air Horns
SKU: kleFIT34
Price: 84.44 USD

MPN FIT34 · Store SKU kleFIT34

$84.44

CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 1:45:46 PM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

Shipping & returns ↗This policy does not limit rights required by law.

Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

Equip your vehicle's air horn installation with the Kleinn FIT34 complete plumbing and fitting kit, specifically engineered to contain all the essential airline fittings utilized in HK2, HK2-1, HK3, and HK3-1 ProBlaster horn systems. Engineered for universal application and maximum pneumatic reliability, this premium component package includes a comprehensive set of heavy-duty 1/4-inch NPT brass fittings to ensure a leak-free setup under high pressure. The high-performance kit comes equipped with a part number 2131 130 PSI automatic pressure switch, a part number 52155 155 PSI safety relief valve, a part number 52835 air tank drain cock, and a 51414L elbow compression fitting to streamline your airline routing. Designed for a clean, professional, and comprehensive installation, this complete package also includes a part number 318-BK black momentary horn push-button switch alongside a vial of Kleinn's exclusive Juice-1 liquid thread sealant, providing everything needed to service, upgrade, or finish your onboard air system right out of the box. Kleinn Model FIT34 Complete Fitting Kit - Fits Kleinn Universal HK3 through HK4 kits Model FIT34 Complete Fitting Kit - Fits Kleinn Universal HK3 through HK4 kits

Manufacturer fitment & guides

Check FIT34 against the manufacturer’s application information below.

Installation Instructions ↗

Part-specific notes

California Proposition 65: Y

Manufacturer documents

Installation Instructions

Two green Ford Mustangs with their hoods open in a track paddock

JUICEBUILT PERFORMANCE PARTS

THE NEXT PART
OF YOUR BUILD.

From the fuel system to the finish line. Find the hardware for your next move, with a real performance shop behind it.

Find your next part ↗Talk about your build ↗

BUILT IN THE SHOP.PROVEN AT THE TRACK.

01 / PERFORMANCE

MORE PARTS. LESS SHIPPING.

Free shipping on $100+ orders.

On eligible parts orders. Oversized and freight items excluded.

See shipping details ↗

See availability before you buildClear supplier stock and dealer-order labels.

A real shop behind your partsGet help with the right combination for your car.

THE PARTS BEHIND THE POWER

Build with the right brands.

Explore featured brands. Swipe or use the arrows.

YOUR BUILD STARTS HERE

Find your next upgrade.

JuiceBuilt kits & merchandise ↗

BEFORE YOU ORDER

A few things to know.

How do I order these parts?

Add your exact parts and delivery details, then continue to payment. Eligible orders show the final parts, shipping and tax total and a PayPal button here after automatic checks. Freight, oversized, custom and uncertain items go to JuiceBuilt for a quote. You are charged only after approving PayPal; supplier orders are submitted separately after verified payment.

Does a part number guarantee vehicle fitment?

No. Product descriptions are supplied by the manufacturer. Check the manufacturer application information for your exact vehicle, engine and supporting modifications. Online checkout requires your exact-part fitment acknowledgment. Contact JuiceBuilt before ordering if you need fitment help.

Is the stock shown reserved for me?

No. Availability is a dated supplier snapshot. Inventory can change, and adding a part to your build does not reserve it. Availability and delivery are checked again before payment. A supplier order is confirmed separately after payment.

What about shipping?

Eligible standard-size parts orders with a parts subtotal of $100 or more receive free standard shipping.

The same $100 minimum applies to all brands, including Aerospace Components.

Oversized and freight items are excluded from free shipping at every subtotal, including carbon doors, hoods, trunks and similar large panels. Their shipping charge is quoted separately before payment.

Shipping for orders below $100 is quoted in your reviewed estimate before payment.

Online checkout is initially available for US delivery addresses. For other countries, contact JuiceBuilt for a manual quote before payment.

Read shipping & returns ↗

What is the return policy?

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

The customer pays return shipping for a change-of-mind return.

Any actual supplier restocking charge is disclosed before purchase.

Clearance and scratch-and-dent parts are final sale. No returns or refunds.

Read the full shipping & returns policy ↗

This policy does not limit rights required by law.

Kleinn HK3 Complete Set of Fittings

Product details

Manufacturer fitment & guides

Part-specific notes

Manufacturer documents

THE NEXT PART
OF YOUR BUILD.

Free shipping on $100+ orders.

Build with the right brands.

Find your next upgrade.

Make the whole setup work.

A few things to know.

Your build.

Delivery & checkout

Delivery address