Model 51238: Straight Compression Fitting for 1/2" Outer Diameter Tube | 3/8" Male NPT

KL 51238

$8.69
$8.69 $8.69

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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 51238: 3/8" MALE NPT STRAIGHT COMPRESSION FITTING FOR 1/2" O.D. TUBE

HIGH-FLOW INLINE TRANSITION FOR MAXIMUM AIRFLOW VELOCITY

Unleash the full, structural performance of your extreme-duty pneumatic network with the premium Kleinn Model 51238 Straight Compression Fitting. Specifically engineered to bypass standard plumbing restrictions, this heavy-duty hardware component bridges the gap between high-volume delivery loops and specialized solenoid boundaries. By adapting an oversized 1/2" Outside Diameter (O.D.) primary air run down to a standard 3/8" NPT port, it acts as a critical interface for maintaining an unhindered volume of airflow throughout your custom vehicle system layout.

THE ESSENTIAL DEMON™ 730 HORN INFRASTRUCTURE LINK

The Model 51238 is the specialized mechanical component required to plumb the flagship VX6003 Solenoid Valve included inside our legendary Demon™ 730 Train Horn Kits. Feeding this high-capacity valve using a restrictive lower-tier line starves your acoustic chambers of fluid transit. Threading this 3/8" Male NPT nipple straight into your horn solenoid allows you to deliver a massive, unhindered blast of air directly from your storage reservoir, allowing your air horns to achieve their full, earth-shaking volume potential.

Why Choose the 51238 High-Flow Compression Fitting?

  • Flagship Demon™ 730 System Match: Explicitly tailored to thread directly into the factory VX6003 solenoid block, enabling tool-free delivery loops straight from the air tank reservoir.
  • Maximum Volumetric Efficiency: Eliminates system backpressure bottlenecks by cleanly adapting a high-capacity 1/2" O.D. tube path straight into a 3/8" NPT fluid entry port.
  • Heavy-Duty Mechanical Ferrule: Pre-matched nut and compression sleeve ferrule lock down onto raw high-pressure plastic lines, forming an airtight barrier that won't release under continuous highway vibration.
  • Industrial Solid Brass Integrity: Precision-machined entirely from premium brass to handle heavy cyclic fatigue, high-temperature loops, and environmental under-chassis grime.

THE VERDICT: The definitive straight inline fitting for max-volume train horn architectures. The Model 51238 combines unyielding industrial brass integrity with an optimized high-flow path to guarantee your high-output train horns receive the rapid, explosive CFM they need to perform at peak capacity.

What's Included in the Box

  • Compression Fitting: One (1) Model 51238 Straight 3/8" Male NPT to 1/2" O.D. Tube adapter body.
  • Locking Hardware: One (1) pre-matched 1/2" compression nut and structural sleeve ferrule kit.

🔴 PRO TIP: Establish a flawless, zero-leak lock on your flagship horn setup. Before snugging down the compression nut with your standard shop tools, use a dedicated pneumatic hose cutter to slice your thick-walled 1/2" O.D. air line perfectly square and clean. Always apply a few drops of liquid thread sealant compound like our genuine Kleinn JUICE across the 3/8" Male NPT threads to seal out slow, phantom reservoir pressure drops.

PRODUCT SPECIFICATIONS

Feature Details
Part Number KL 51238 (51238)
Fitting Interface Type Straight Inline High-Flow Mechanical Compression Fitting
Thread Connection Sizing 3/8" Male NPT (National Pipe Thread)
Compatible Tube Sizing 1/2" O.D. (Outer Diameter) High-Pressure Tubing
Material Composition Precision-Machined Commercial Industrial Solid Brass Architecture
Core System Target Directly hooks 1/2" O.D. primary lines to the VX6003 Solenoid on Beast 230 and Demon™ 730 Horn Systems
Component Weight 0.15 lbs

 

Model 51238: Straight Compression Fitting for 1/2" Outer Diameter Tube | 3/8" Male NPT

$8.69

Does it come with a warranty?

One-Year Limited Defect Warranty for Kleinn Automotive Accessories:

Kleinn Automotive Accessories is committed to delivering high-quality products to our customers. We stand behind the craftsmanship and materials of our products by offering a comprehensive one-year limited warranty. This warranty is extended to the original purchaser, ensuring that when our products are installed properly and used under standard conditions, they will be free from defects in workmanship and materials for a period of one year from the original date of purchase.

This warranty encompasses a promise that the product you have purchased will perform as expected under normal use conditions and will not suffer from flaws in materials or craftsmanship. However, it is important to note that this warranty does not cover any damage that results from abusive use, operation that is not in line with the product’s intended purpose, or harm resulting from exposure to harsh environmental conditions. In the event that a product is found to be defective within the warranty period following a thorough inspection, Kleinn Automotive Accessories reserves the right to either repair or replace the defective item at no additional charge to the purchaser. It is our goal to ensure that our products meet the high standards that our customers expect, but we also want to clarify that Kleinn is not responsible for covering any costs related to the installation of our products, nor are we liable for any loss or damage that may occur as a result of the repair or replacement process of any product under warranty.

Extended Two-Year Warranty for Select Products:

Understanding the specific needs of our customers and the demands placed on certain products, Kleinn Automotive Accessories is pleased to offer an exclusive extended two-year warranty for our 6450/6650 Compressors and 730 Horns. This special warranty extension reflects our confidence in these products’ durability and performance. Eligible products under this extended warranty will enjoy all the benefits of our standard one-year warranty with an additional year of protection, totaling two years from the date of purchase. This extended warranty coverage ensures that these specific models, recognized for their robustness and reliability, receive the extra assurance customers desire for these critical components.

Detailed Warranty Return Procedure:

Should you need to initiate a return under the warranty, we have a straightforward process designed to make it as convenient as possible for our valued customers. To start, you will need to email a copy of your sales receipt, which must be dated within the past year for standard warranty claims or within the past two years for claims under the extended warranty for the 6450 Compressors and 730 Horns. This email should be directed to our Warranty Manager and include your full name, email address, telephone number, and a concise description of the problem you are experiencing.

Upon receipt of your email, a dedicated representative from Kleinn Automotive Accessories will reach out to you directly. Our first step will always be to attempt to resolve the issue through technical support, aiming to provide a quick and effective solution. If the problem cannot be addressed remotely, our representative will issue a Return Authorization number. This number is crucial as it will identify your return throughout the inspection process. You are then required to send the product back to Kleinn Automotive Accessories for a comprehensive physical inspection.

Upon inspection, if the product is determined to be defective due to issues in workmanship or materials, Kleinn will undertake to either repair or replace the product at our discretion. We are committed to ensuring that our customers receive products that meet our high-quality standards, and we will make every effort to resolve warranty claims to your satisfaction. However, if the inspection reveals that the product does not have a material defect, we will return the unit to the customer. In such cases, the shipping costs for the return will be the responsibility of the customer.

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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