Model 53818B: Barbed Fitting for 3/8" Outer Diameter Airline | 1/8" Male NPT

  • Barbed fitting - 1/8" M NPT to 3/8" O.D. tube - Kleinn Automotive Accessories - KL 53818B

KL 53818B

$3.29
$3.29 $3.29

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PROP 65 WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

MODEL 53818B: BARBED FITTING FOR 3/8" O.D. AIRLINE | 1/8" MALE NPT

DEPENDABLE HIGH-PRESSURE PNEUMATIC HOSE INTEGRATION

Establish a secure and highly reliable hose connection within your onboard air distribution loop with the premium Kleinn Model 53818B Barbed Hose Fitting. Precision-engineered to handle transitions from solid threaded infrastructure to flexible lines, this commercial-grade plumbing component adapts standard 3/8" Outside Diameter (O.D.) flexible hose lines directly to a compact 1/8" NPT port. It serves as an essential interface for routing pneumatic lines to custom upfitter manifolds, auxiliary distribution blocks, air horns, and pressure control setups.

HIGH-GRIP BARBED ARCHITECTURE & LEAK-FREE COUPLING

The Model 53818B features a precision-machined single or multi-barb profile engineered to bite firmly into the inner lining of your flexible tubing, preventing high-pressure line blowouts or slow drop-offs. Outfitted with a standard 1/8" Male NPT thread configuration on one side and a rugged push-on barb on the other, it allows for clean, low-profile plumbing inside cramped engine bays, vehicle dashboards, or chassis frame rails. Built entirely from industrial-grade brass, it withstands aggressive automotive vibrations and severe environmental conditions with absolute consistency.

Why Choose the 53818B Barbed Fitting?

  • Heavy-Duty Barbed Grip: Deep mechanical barbs bite aggressively into flexible 3/8" O.D. tubing to create an unyielding connection capable of handling demanding PSI cycles.
  • Compact Sizing Adapter: Transitions standard 3/8" hose pathways straight into compact 1/8" Female NPT ports without stacking bulky adapter fittings or extension bushings.
  • Industrial Solid Brass Integrity: Precision-machined metal housing provides outstanding resistance to corrosion, high-pressure fatigue, and under-chassis road grime.
  • Vibration Resistant Fit: Deep, clean NPT thread cut ensures a permanent mechanical bond that stands up to rugged off-road trail use and continuous highway movement.

THE VERDICT: The definitive barbed adapter for flexible hose integration. The Model 53818B pairs a rugged, high-grip barbed profile with a low-profile 1/8" Male NPT footprint to guarantee your custom air system lines remain completely secure and leak-free.

What's Included in the Box

  • Barbed Adapter Fitting: One (1) Model 53818B 1/8" Male NPT Threaded to 3/8" O.D. Hose Barb Solid Brass Fitting.

🔴 PRO TIP: Lock down an absolute, blowout-safe connection on your air system lines. When pushing your 3/8" O.D. flexible tubing onto the barbed end, slide it completely flush against the hex shoulder, and always secure it with a matching hose clamp or crimp ferrule for total peace of mind. Apply a few drops of liquid anaerobic thread sealant compound like our genuine Kleinn JUICE exclusively across the 1/8" Male NPT threads to completely prevent slow, phantom pressure leaks.

PRODUCT SPECIFICATIONS

Feature Details
Part Number 53818B
Fitting Interface Type Threaded Male Hex Nipple to Hose Barb Adapter
Male Thread Connection Size 1/8" Male NPT (National Pipe Thread)
Compatible Hose Sizing 3/8" O.D. (Outer Diameter) Flexible Air / Pneumatic Tubing
Material Composition Precision Industrial-Grade Solid Brass Construction
Primary Functional Utility Adapting flexible 3/8" lines to 1/8" NPT ports on solenoids, air horns, upfitter manifolds, and gauges
Component Weight 0.05 lbs
Model 53818B: Barbed Fitting for 3/8" Outer Diameter Airline | 1/8" Male NPT

$3.29

Does it come with a warranty?

Kleinn Automotive Accessories Limited Warranty

Kleinn Automotive Accessories stands behind the quality and craftsmanship of our products. Our products are covered against defects in materials and workmanship when properly installed and used under normal operating conditions, subject to the terms below.

One-Year Limited Warranty

Unless otherwise specified, Kleinn Automotive Accessories products are covered by a 1-year limited warranty from the original date of purchase.

This warranty applies to the original purchaser and covers defects in materials and workmanship under normal use.

If a product is determined to have a covered warranty defect, Kleinn Automotive Accessories will, at its discretion, repair or replace the defective product or component.

What Is Not Covered

This warranty does not cover damage or failure resulting from:

  • Improper installation
  • Misuse, abuse, or improper operation
  • Use outside the product's intended application or specifications
  • Modification or alteration of the product
  • Accidents or physical damage
  • Electrical damage
  • Environmental damage or exposure
  • Normal wear and tear

Kleinn Automotive Accessories is not responsible for installation or removal charges, diagnostic fees, labor costs, vehicle downtime, loss of use, or other incidental or consequential expenses associated with warranty service.

Warranty Claims

To request warranty service, email warranty@kleinn.com with the following information:

  • A copy of your original sales receipt or proof of purchase
  • Your full name
  • Email address
  • Telephone number
  • A brief description of the issue

A Kleinn representative will review your claim and may first attempt to resolve the issue through technical support.

If the product needs to be returned for inspection, Kleinn will provide a Return Authorization (RA) number and return instructions. Products should not be returned without prior authorization.

Once received, the product will be inspected to determine whether the issue is covered under warranty. If a covered defect in materials or workmanship is confirmed, Kleinn will, at its discretion, repair or replace the defective product or component.

If inspection determines that the product does not have a covered warranty defect, the product may be returned to the customer, and the customer will be responsible for applicable return shipping costs.

This limited warranty gives you specific legal rights. You may also have other rights, which vary from state to state.

Kleinn Automotive Accessories
4045 N. Highway Drive, Tucson, AZ 85705
Tel (520) 579-1531

What's the returns policy?

How To Return An Item

Your item must be in its original unused condition to be returned, unless there is a manufacturer defect. You must return the item within 30 days of your purchase.

1. Please email support@kleinn.com to request a refund and we will assign you a Return Authorization #.

2. Mail your returned item to:
Kleinn Automotive Accessories
Returns Department
4045 N Highway Drive
Tucson, AZ 85705

3. Include in your package a signed letter stating the reason for your return and the original receipt.

Return Non-Exceptions

Merchandise that has been worn, used, or altered will not be accepted for return or exchange.

Restocking Fee

All returns are subject to a 15% restocking fee, which will be deducted from your refund. If shipping and handling fees were applied to your order, they are non-refundable.

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