customer service/ parts Not the greatest customer service. Had to call twice for order issues. First time I called they were rude second time I called was better. Parts I ordered had no real change in performance. More for just color and look under the hood.

Great quality products at clove itompetitive… Great quality products at competitive prices

Great customer service Great customer service. Received part in a timely manner in good conditions. Core return was posted sooner than expected

My experience with sinesterdiesel was a… My experience with sinesterdiesel was a positive experience highlighting their attentiveness, quick delivery, and helpful service.Only issue/problem I had was with the clap that came with my cold charge pipe. It doesn’t stay around to lock.

Quick shipping good price Quick shipping on my egr and cooler kit. Kit saved me about 800$ over mechanics sourcing of parts.