Kleinn Air Horns · New
Kleinn Hex Adapter - 3/8In F NPT to 1/4In M NPT
MPN 53814A · Store SKU kle53814A
Supplier stock checked 11/7/2026, 5:45:40 AM UTC. Adding a part does not reserve it.
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Product details
The Kleinn Model 53814R 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 1/4" Female NPT threaded opening on one side and a 3/8" Male NPT threaded end on the other. This compact fitting allows you to easily adapt smaller lines, pressure switches, or accessories into standard 3/8" tank ports or manifolds, maximizing plumbing efficiency and ensuring a reliable air path for your air horns and onboard accessories. Kleinn Model 53814A - Hex Reducer 3/8" Female - 1/4" Male NPT
Manufacturer fitment & guides
Check 53814A against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
