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COMPLETE MASTER INSTALLATION PLUMBING HARNESSES
Building your own custom train horn configuration or piecing together a heavy-duty pneumatic network à la carte? Skip the guesswork and plumbing run-around with genuine Kleinn Air Fitting Installation Kits. These master hardware assortments are comprehensively bundled to include every necessary structural connection point, manifold junction, and plumbing hardware piece required to wire and plumb your specific onboard air loop from scratch. Engineered to withstand extreme operating pressures, these application-matched packages bring clean, leak-free execution to any custom system build.
PRO-TIER ALL-IN-ONE ASSORTMENTS
Every professional-grade fitting kit is heavily curated with essential electrical and pneumatic baseline items. Each package comes fully loaded with application-specific brass NPT compression adapters, an industrial system automated pressure switch, a dashboard-mount horn activation push button, and a precision applicator vial of genuine Kleinn JUICE Premium Thread Sealant to establish permanent high-pressure structural integrity.
THE VERDICT: The most secure foundation for any custom onboard air system. By marrying industrial-grade brass fittings with vital control modules, these comprehensive kits ensure your custom plumbing layout handles continuous heavy high-pressure loads seamlessly.
VARIATION SELECTION GUIDE
Review the listing package options below to select the precise fitting array required for your direct horn kit architecture:
| Fitting Kit Model | Direct Horn System Compatibility Matrix |
|---|---|
| FIT12 | Designed for Kleinn Horn Kits: HK1, HK2, and HK2-1 |
| FIT34 | Designed for Kleinn Horn Kits: HK3, HK3-1, HK4, and HK4-1 |
| FIT56 | Designed for Kleinn Horn Kits: HK5 and HK6 |
| FIT7 | Designed for Kleinn Horn Kit: HK7 |
| FIT89 | Designed for Kleinn Horn Kits: HK8 and HK9 |
| FIT9-SLIMLINE | Designed for Kleinn Horn Kit: HK9-Slimline |
Each variant kit is configured to contain all the exact structural air line fittings, electrical activation mechanisms, and tank safety hardware required to fully plumb your matching Problaster Horn Kit architecture:
🔴 PRO TIP: Complete your electrical infrastructure seamlessly. Do not forget to pair your new fitting installation array with a dedicated compressor wiring kit. Part #6852 (Standard Wiring Kit) integrates perfectly with any of these fitting variants. If your specific vehicle layout requires an extended structural compressor power line run along the frame rails, upgrade directly to our Part #6858 (Extended Wiring Kit).
INSTALLATION LINKS
Free Canadian shipping on qualifying orders $399+, with no duties or brokerage. Special order and made-to-order items can't be cancelled or refunded once ordered. Oversized items may carry a handling fee depending on your location; pickup in Mississauga has no fee.
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We carry 750,000+ parts, so we can probably still get it. Check the spelling, try the part number, or ask us.
Request this part Text us (833) 691-5717