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  • 1/8NPT Male Hose Coupler Pneumatic Fitting
  • 1/8NPT Male Hose Coupler Pneumatic Fitting

1/8NPT Male Hose Coupler Pneumatic Fitting

$3.25
$3.25 $4.00
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1/8 NPT Male Hose Coupler Pneumatic Fitting

The right connection makes or breaks a clean turbo build — and this compact 1/8 NPT male hose coupler fitting from BSI Inc. keeps your boost and pneumatic lines exactly where they need to be.

Why Builders Reach for This Fitting

  • Precise 1/8 NPT Male Thread — A standard taper thread that creates a reliable, leak-resistant seal when used with thread sealant tape, making it a natural choice for pressure-side and vacuum-side applications alike.
  • Boost & Pneumatic Ready — Sized and rated for the low-volume, high-stakes lines running to boost controllers, wastegate actuators, and pneumatic accessories across all kinds of turbo builds.
  • Compact Profile — Its small footprint slips into tight engine bay corners without fighting you for clearance, keeping your routing tidy whether you're working on a built gas engine or a diesel truck.
  • Broad Compatibility — Works with common silicone and rubber boost hose; pairs seamlessly with boost control solenoids and wastegate line setups on street builds, race applications, and everything in between.
  • Reusable & Straightforward — Unthread, clean, reseal, and reuse — no single-use gimmicks here. A sensible pit-bag essential to keep on hand for the next build or revision.
  • No-Hassle Grab-and-Go Pricing — A low-cost accessory that fills a critical gap in your plumbing kit without padding your parts budget.

Pick up a few extras while you're at it — at this price point, there's no reason to be one fitting short on build day.

FAQ

What is this 1/8 NPT male hose coupler fitting used for?

It is used for boost and pneumatic lines in turbo builds, including lines running to boost controllers, wastegate actuators, and pneumatic accessories.

How does the 1/8 NPT male thread help seal the connection?

The 1/8 NPT male thread is a standard taper thread that creates a reliable, leak-resistant seal when used with thread sealant tape.

Will this fitting work with silicone or rubber boost hose?

Yes. It works with common silicone and rubber boost hose and pairs with boost control solenoids and wastegate line setups.

Can this pneumatic fitting be reused?

Yes. It can be unthreaded, cleaned, resealed, and reused.