--- product_id: 479670624 title: "TU15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15" brand: "besttruck" price: "€ 62.03" currency: EUR in_stock: true url: https://www.desertcart.be/products/479670624-tu15-38-diesel-compression-test-adapter-for-6-6l-duramax store_origin: BE region: Belgium --- # Precision M10-1.25 thread fit High-strength alloy steel & copper Black oxidation rust-proof finish TU15-38 Diesel Compression Test Adapter for 6.6L Duramax Engines Used with Diesel Compression Tester TU-15 **Brand:** besttruck **Price:** € 62.03 **Availability:** ✅ In Stock ## Summary > 🛠️ Nail your diesel diagnostics with precision and durability! ## 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?** € 62.03 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/479670624-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 Purchase:** Backed by a 30-day full refund and one-year warranty—confidence in every test, peace of mind in every purchase. - • **Durability Meets Precision:** Crafted with heat-treated alloy steel and copper for long-lasting strength and reliable performance under pressure. - • **Optimized for TU-15 Tester:** Designed exclusively for use with the TU-15 diesel compression tester, guaranteeing compatibility and accuracy. - • **Perfect Fit for 6.6L Duramax:** Engineered to seamlessly fit glow plug holes from 2005+ models, ensuring flawless compression readings. - • **Rust-Resistant Black Oxide Coating:** Advanced surface treatment prevents corrosion, keeping your tool pristine and accurate over time. ## Overview The TU15-38 Diesel Compression Test Adapter is a precision-engineered tool designed for 6.6L Duramax engines (2005+). Made from heat-treated alloy steel and copper with a rust-resistant black oxide finish, it ensures accurate compression pressure readings when used with the TU-15 diesel compression tester. Its perfect M10-1.25 threaded fit guarantees reliable, repeatable results, backed by a 30-day refund and one-year warranty for professional-grade confidence. ## 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 | |---------------|-------| | Manufacturer | besttruck | | Part number | LTU1538 | | Item Weight | 2.83 g | | Item model number | LNG-TU-15-38 | | Material | Alloy Steel | | Batteries included? | No | | Batteries Required? | No | ## Product Details - **Brand:** besttruck - **Material:** Alloy Steel - **Item dimensions L x W x H:** 11.9 x 10 centimetres - **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 - RELD Cylinder Head Gasket Tester Kit CO2 Combustion Leak Gas Test Universal for All Cars and Motorcycles Petrol Diesel Block Rapid Engine Leak Detector for 50 Tests - GOTLUCK 28PCS Cooling System Radiator Pressure Tester Kit,Vacuum Type Cooling System Kit,Universal Radiator Pressure Tester Kit --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/479670624-tu15-38-diesel-compression-test-adapter-for-6-6l-duramax](https://www.desertcart.be/products/479670624-tu15-38-diesel-compression-test-adapter-for-6-6l-duramax) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-29*