Model 51214L: Elbow Compression Fitting for 1/2" O.D. Air Line | 1/4" M NPT

KL 51214L

$10.95
$10.95 $10.95

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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 51214L: 1/4" MALE NPT ELBOW COMPRESSION FITTING FOR 1/2" O.D. AIR LINE

PREMIUM 90-DEGREE HIGH-VOLUME TRANSITION ADAPTER

Maximize the pneumatic delivery of your onboard air loop with the premium Kleinn Model 51214L 90-Degree Elbow Compression Fitting. This specialized, high-volume plumbing interface is custom-engineered to adapt a large-diameter 1/2" air line down to a standard 1/4" NPT port, making it an essential hardware solution for custom builders looking to optimize airflow delivery without losing clearance. By routing a massive, unhindered fluid path directly to your supply lines, it effectively prevents air starvation to your heavy-duty tools or high-velocity train horns.

CLEAN, LOW-PROFILE MECHANICS & AIRTIGHT COUPLING

The Model 51214L features a right-angle layout that simplifies your plumbing configurations, ensuring a clean and efficient routing path around sharp obstacles like chassis frame rails or crowded engine bays. Outfitted with precision-cut 1/4" Male NPT threads on one side, the opposite end utilizes a heavy-duty compression nut and ferrule sleeve system to form a permanent mechanical grip on standard 1/2" Outside Diameter (O.D.) tubing—requiring absolutely no specialized pipe-flaring tools. This robust structure handles intense vibrations and extreme pressure demands with ease.

Why Choose the 51214L Elbow Compression Fitting?

  • Space-Saving 90-Degree Bend: Ideal for routing large, high-capacity 1/2" air lines in cramped locations where a standard straight fitting won't clear.
  • High-Volume Compatibility: Transitions standard 1/4" Male NPT receiver ports directly to 1/2" O.D. tubing, maximizing air delivery for larger systems.
  • Leak-Proof Compression Seal: Heavy-duty internal nut and ferrule assembly grips the tubing securely, holding an airtight seal under intense vibration and high pressure.
  • Industrial Grade Build: Precision-machined for superior structural durability, long-term corrosion resistance, and high-pressure fatigue life in under-vehicle environments.

THE VERDICT: The definitive right-angle adapter for large-to-small line integration. The Model 51214L marries a robust mechanical compression sleeve with a space-saving 90-degree configuration to guarantee your high-capacity air lines remain completely secure and kink-free.

What's Included in the Box

  • Elbow Fitting: One (1) Model 51214L 90° Elbow 1/4" Male NPT to 1/2" O.D. Tube adapter body.
  • Locking Hardware: One (1) pre-matched compression nut and sleeve ferrule pack.

🔴 PRO TIP: Ensure a permanent, zero-leak lock on your air lines. Before snugging down the compression nut with your standard service wrenches, use a dedicated pneumatic hose cutter to ensure your 1/2" O.D. high-pressure line is sliced completely square and smooth. Always add a few drops of liquid anaerobic compound like our genuine Kleinn JUICE to the Male NPT threads to completely insulate against slow, phantom pressure leaks.

PRODUCT SPECIFICATIONS

Feature Details
Part Number KL 51214L (51214L)
Fitting Type 90° Right Angle Elbow Mechanical Compression
Thread Connection Size 1/4" Male NPT (National Pipe Thread)
Compatible Tube Sizing 1/2" O.D. (Outer Diameter) High-Pressure Tubing
Installation Hardware Integrated Compression Ferrule Sleeve & Threaded Locking Nut 
Primary Utility Application Adapting 1/2" O.D. air lines to standard 1/4" NPT ports while clearing sharp angles without kinks
Component Weight 0.3 lbs
Model 51214L: Elbow Compression Fitting for 1/2" O.D. Air Line | 1/4" M NPT

$10.95

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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