Kleinn Air Horns · New
Kleinn Hex Adapter 1/4In F NPT to 1/8In M NPT
MPN 51418A · Store SKU kle51418A
Supplier stock checked 11/7/2026, 1:45:46 PM UTC. Adding a part does not reserve it.
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Product details
The Kleinn Model 51418A is a heavy-duty pneumatic hex adapter 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 1/4" Female NPT threaded opening on one side and a 1/8" Male NPT threaded end on the other. This compact fitting allows you to easily adapt larger lines or accessories into smaller gauge ports, maximizing plumbing efficiency and ensuring a reliable air path for your air horns and onboard accessories. Kleinn Model 51418A - Hex Adapter 1/4" Female NPT to 1/8" Male NPT
Manufacturer fitment & guides
Check 51418A against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y