---
product_id: 642404944
title: "TU15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15"
brand: "besttruck"
price: "32.83 OMR"
currency: OMR
in_stock: false
url: https://www.desertcart.com.om/products/642404944-tu15-38-diesel-compression-test-adapter-for-6-6l-duramax
store_origin: OM
region: Oman
---

# Compatible with 2005+ 6.6L Duramax Precision M10-1.25 thread fit High-strength steel & copper build TU15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15

**Brand:** besttruck
**Price:** 32.83 OMR
**Availability:** ❌ Out of Stock

## Summary

> 🛠️ Nail Your Diesel Diagnostics with Precision and Power!

## Quick Answers

- **What is this?** TU15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15 by besttruck
- **How much does it cost?** 32.83 OMR with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/642404944-tu15-38-diesel-compression-test-adapter-for-6-6l-duramax)

## 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

- • **Risk-Free Confidence:** Backed by a 30-day full refund and one-year warranty, ensuring your investment is protected and satisfaction guaranteed.
- • **Engineered for Endurance:** Crafted from premium steel and copper with advanced heat treatment and black oxidation for superior rust resistance and durability.
- • **Seamless TU-15 Integration:** Works exclusively with the TU-15 diesel compression tester to deliver precise maximum cylinder pressure measurements every time.
- • **Perfect Fit, Zero Guesswork:** Tailored M10-1.25 threaded adapter ensures flawless installation in glow plug holes for accurate compression readings.
- • **Optimized for Duramax Powerhouses:** Specifically designed for 6.6L Duramax diesel engines (2005 to present), guaranteeing compatibility and reliable performance.

## Overview

The TU15-38 Diesel Compression Test Adapter is a precision-engineered tool designed exclusively for 6.6L Duramax diesel engines from 2005 onward. Made from high-quality steel and copper with advanced heat treatment and rust-resistant black oxidation, it ensures durability and accurate compression pressure readings when used with the TU-15 diesel compression tester. Its perfect M10-1.25 threaded fit eliminates guesswork, delivering reliable diagnostics backed by a 30-day refund and one-year warranty.

## Description



## Features

- 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.
- 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.
- 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 customer shopping experience and provides customers with a good shopping environment. If you are not satisfied with the product, you can choose to return it, we support a 30-day full refund and a one-year warranty.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | besttruck |
| Manufacturer | besttruck |
| Country of Origin | USA |
| Model number | LNG-TU-15-38 |
| Number of Memory Sticks | 1 |
| Item Weight | 2.83 g |
| Item model number | LNG-TU-15-38 |
| Item Width | 3.94 Inches |
| Are batteries included? | No |

## Product Details

- **Brand:** besttruck
- **Material:** Alloy Steel
- **Item dimensions L x W x H:** 11.9 x 10 Centimeters
- **Item Weight:** 0.1 Ounces
- **Manufacturer:** besttruck

## Images

![TU15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15 - Image 1](https://m.media-amazon.com/images/I/61QqGFA+G9L.jpg)
![TU15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15 - Image 2](https://m.media-amazon.com/images/I/71F+BmoZKKL.jpg)
![TU15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15 - Image 3](https://m.media-amazon.com/images/I/715eSGF79dL.jpg)
![TU15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15 - Image 4](https://m.media-amazon.com/images/I/71d6p6sgxJL.jpg)
![TU15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15 - Image 5](https://m.media-amazon.com/images/I/71zsgc1tUzL.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.com.om/products/642404944-tu15-38-diesel-compression-test-adapter-for-6-6l-duramax](https://www.desertcart.com.om/products/642404944-tu15-38-diesel-compression-test-adapter-for-6-6l-duramax)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-01-25*