LNG-TU-15-38 Diesel Compression Test Adapt Adapter for Duramax M10 x 1.25 mm

【Perfect Fit】 Diesel Compression Test Adapt Adapter uses with STAR Diesel Compression Tester TU-15. Compatible with GM: Duramax 6.6L Turbo Diesel (2005-present). Also works on a Duramax LML engine. Compatible withGM: Duramax 6.6L Turbo Diesel (2005-present).