---
product_id: 479855064
title: "LNG-TU-15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15, M10 x 1.25 mm"
brand: "besttruck"
price: "£20.85"
currency: GBP
in_stock: true
category: "Besttruck"
url: https://www.desertcart.co.uk/products/479855064-lng-tu-15-38-diesel-compression-test-adapter-for-6
store_origin: GB
region: United Kingdom
---

# Duramax 6.6L engine compatible Precision M10 x 1.25 thread fit Heat-treated steel & copper durability LNG-TU-15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15, M10 x 1.25 mm

**Brand:** besttruck
**Price:** £20.85
**Availability:** ✅ In Stock

## Summary

> 🛠️ Nail your diesel diagnostics with precision and durability!

## Quick Answers

- **What is this?** LNG-TU-15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15, M10 x 1.25 mm by besttruck
- **How much does it cost?** £20.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/479855064-lng-tu-15-38-diesel-compression-test-adapter-for-6)

## Best For

- besttruck enthusiasts

## Why This Product

- Trusted besttruck brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Crafted from heat-treated steel and copper with black oxidation for superior rust resistance.
- • **Risk-Free Purchase:** Backed by a 30-day return policy and a 1-year warranty for total peace of mind.
- • **Engineered for Precision:** M10 x 1.25 mm threaded adapter ensures a secure, leak-free connection every time.
- • **Optimized for TU-15 Tester:** Specifically designed to work flawlessly with the Diesel Compression Tester TU-15.
- • **Perfect Fit for Duramax Engines:** Seamlessly fits 6.6L Duramax glow plug holes for accurate compression readings.

## Overview

The LNG-TU-15-38 Diesel Compression Test Adapter is a high-quality, heat-treated steel and copper tool designed for 6.6L Duramax diesel engines (2005+). It features an M10 x 1.25 mm threaded fit for the glow plug hole, ensuring accurate compression pressure measurement when used with the TU-15 Diesel Compression Tester. Its black oxidation surface treatment prevents rust, guaranteeing long-lasting performance, and it comes with a 30-day return and 1-year warranty for customer satisfaction.

## Description

Buy LNG-TU-15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15, M10 x 1.25 mm: Compression Gauges - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Function – This test adapter used with diesel compression tester TU-15, mainly used to measure the maximum pressure generated in the compression stroke of the diesel engine cylinder. Specially designed to check the compression pressure of gas in the cylinder.
- Application – It used with diesel compression tester TU-15. Insert the M10-1.25 threaded adapter quick disconnect screws into the glow plug hole in the head of the engine. Fits for 6.6L Diesel Duramax engines, 2005 to present.
- Material – It is made of high quality steel and copper, advanced heat treatment process, ensure maximum strength and durability for long lasting usage. Its surface is treated with black oxidation, so that a layer of oxide film is formed on the metal surface to isolate the air and achieve the purpose of rust prevention.
- Advantage – This compression test adapter perfectly fits for the glow plug hole on the engine head, so you don’t have to worry about the wrong size that will affect the result of the measurement.
- Satisfaction Guarantee - Besttruck values customers shopping experience and provides customers with a good shopping environment. If you are not satisfied with the product when you receive, you can choose to return it within 30 days, we provide a one-year warranty, or you can feel free to contact us.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B79ML3T4 |
| Best Sellers Rank | #1,036,374 in Automotive ( See Top 100 in Automotive ) #150 in Engine Compression Gauges |
| Brand | besttruck |
| Date First Available | July 22, 2022 |
| Item Weight | 0.1 ounces |
| Item dimensions L x W x H | 4.69 x 3.94 inches |
| Item model number | LNG-TU-15-38 |
| Manufacturer | besttruck |
| Material | Alloy Steel |
| Thread Type | Metric |

## Product Details

- **Brand:** besttruck
- **Item Weight:** 0.1 Ounces
- **Item dimensions L x W x H:** 4.69 x 3.94 inches
- **Material:** Alloy Steel
- **Thread Type:** Metric

## Images

![LNG-TU-15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15, M10 x 1.25 mm - Image 1](https://m.media-amazon.com/images/I/61QqGFA+G9L.jpg)

## Frequently Bought Together

- TU15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15
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**Shop now:** [https://www.desertcart.co.uk/products/479855064-lng-tu-15-38-diesel-compression-test-adapter-for-6](https://www.desertcart.co.uk/products/479855064-lng-tu-15-38-diesel-compression-test-adapter-for-6)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-16*