6 Liter (1.5 Gal) capacity. Used once to extract fluid out of a Ski-do engine - and it worked Great! Long pump travel for a quick vacuum. We want you to be happy and satisfied. Actual Images of item are shown above.
TU-15-38 Diesel Compression Test Adapter For 6.6L Duramax TU-15 M10 x 1.25 mm
Diesel Compression Test Adapter TU-15-38 TU-15 For Duramax M10 x 1.25 mm 6.6L
M10 x 1.25 mm Diesel Compression Tester Adapter LNG-TU-15-38 for Duramax 6.6L