Kleinn Air Horns · New
Kleinn Hex Male Nipple Adapter - 3/8In M NPT to 1/4In M NPT
MPN 53814N · Store SKU kle53814N
Supplier stock checked 11/7/2026, 11:52:30 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
The Kleinn Model 53814N is a premium hex male nipple adapter engineered to provide a secure, leak-free transition between different thread sizes within your high-pressure onboard air system. Featuring a heavy-duty, corrosion-resistant solid brass construction built to withstand demanding automotive environments, this universal plumbing component allows you to seamlessly couple a 3/8" Female NPT port to a 1/4" Female NPT port. Its integrated hex-nut center provides a solid gripping surface for wrenches during installation, ensuring you can easily achieve a tight, airtight seal while maximizing plumbing efficiency for your air horns and onboard accessories. Hex male adapter - 3/8" M NPT to 1/4" M NPT.
Manufacturer fitment & guides
Check 53814N against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y