Kleinn HK9 Complete Set of Fittings

The Kleinn FIT9-SLIM installation kit contains all the essential air line fittings utilized in an HK9-SLIMLINE Problaster Horn Kit, providing a comprehensive hardware solution for a clean setup. This premium kit includes high-quality 1/4" NPT fittings such as a P/N 2151 145 PSI pressure switch, a P/N 52175 175 PSI safety valve, a P/N 52835 drain cock, a P/N 51238 compression fitting, and a P/N 50040 hex plug. For a complete installation, the package also comes equipped with a P/N 318-BK momentary push button horn switch and a vial of high-performance Juice-1 Thread Sealant to ensure entirely leak-free connections throughout your air system, making it the ultimate all-in-one upgrade to ensure your horn system operates at peak performance and reliability.

Additional Information

Complete set of fittings for a Kleinn HK9Slimline Problaster Horn Kit.

Part Type

Air Horn Fitting

• 2151 145 PSI
• 318-BK momentary push button
• 50040 hex plug
• 51238 compression fitting
• 52175 175 PSI safety valve
• 52835 drain cock
• Juice-1 Thread Sealant

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Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Fittings, Complete set of fittings for a Kleinn HK9-SLIMLINE Problaster Horn Kit