Kleinn Hex Adapter - 1/8In F NPT to 1/4In M NPT

The Kleinn Model 51418R is a heavy-duty pneumatic hex reducer engineered to provide a secure, leak-free transition between different thread sizes within your high-pressure onboard air system. Featuring a premium, corrosion-resistant brass construction built to withstand demanding automotive environments, this universal component is designed with a 1/8" Female NPT threaded opening on one side and a 1/4" Male NPT threaded end on the other. This compact fitting allows you to easily adapt smaller gauge lines, pressure switches, or accessories into standard 1/4" tank ports, maximizing plumbing efficiency and ensuring a reliable air path for your air horns and onboard accessories.

Additional Information

Kleinn Model 51418R Hex reducer - 1/8" F NPT to 1/4" M NPT

Part Type

Tube Fitting

• 1/8" F NPT to 1/4" M NPT
• 1/8" Female NPT - Receives 1/4" Male NPT
• Brass construction

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

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

Air Compressor Components, Hex reducer - 1/8" F NPT to 1/4" M NPT