Kleinn Air Horns · New
Kleinn 1/2In OD Tubing 3/8In M NPT Straight Compression Fitting
MPN 51238 · Store SKU kle51238
Supplier stock checked 11/7/2026, 10:00:22 PM 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 51238 is a premium straight compression fitting engineered to establish a secure, leak-free connection within your high-pressure onboard air system. Featuring a heavy-duty, corrosion-resistant brass construction built to withstand demanding automotive environments, this universal pneumatic component is designed with a 3/8" Male NPT threaded end on one side and a 1/2" air line compression fitting on the other. Perfect for maximizing pneumatic efficiency, it allows you to cleanly route oversized 1/2" OD air lines directly from your air tank, compressor, or solenoid valves to deliver an increased volume of air and boost the overall performance of your air horns and accessories. Kleinn Model 51238 3/8" M NPT Straight Compression Fitting for 1/2" OD Tubing
Manufacturer fitment & guides
Check 51238 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
