Kleinn Air Horns · New
Kleinn Hex Adapter - 1/8In F NPT to 1/4In M NPT
MPN 51418R · Store SKU kle51418R
Supplier stock checked 11/8/2026, 4:37:40 AM UTC. Adding a part does not reserve it.
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Product details
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. Kleinn Model 51418R Hex reducer - 1/8" F NPT to 1/4" M NPT
Manufacturer fitment & guides
Check 51418R against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y