Overview Reviews Product Description Sinister Diesel 01-05 GM Duramax 6.6L LB7 LLY Welded Water Pump Sinister Diesel SD-WWP-01 Product Videos Custom Field Product Reviews Write a Review Write a Review × Sinister Diesel Sinister Diesel 01-05 GM Duramax 6.6L LB7 LLY Welded Water Pump Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *