Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / Kleinn Air Horns / New

Kleinn Barbed Fitting - 1/8In M NPT to 3/8In OD Tubing

Kleinn Air Horns · New

Kleinn Barbed Fitting - 1/8In M NPT to 3/8In OD Tubing

MPN 53818B · Store SKU kle53818B

$4.28
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 7:11:19 PM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

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 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. Model 53818B - Barbed Fitting - 1/8" M NPT to 3/8" O.D Air Line

Manufacturer fitment & guides

Check 53818B against the manufacturer’s application information below.

Part-specific notes

  • California Proposition 65: Y

Manufacturer documents

More from Kleinn Air Horns ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your cart.