Product Description:     【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.     【Perfect Design】 M10-1.25 thread adapter with quick disconnect screws into the head of the engine in the glow plug hole. Manufactured to specific thread tolerance standards.     .

Brand: Unbranded
Type: TU-15-38 Diesel Compression Test Adapter
Engine Type: Diesel
Fitment: For Duramax 6.6L Turbo Diesel 2005-present
Manufacturer Warranty: 1 Year