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Sinister Diesel 01-05 GM Duramax 6.6L LB7/LLY Welded Water Pump
Sinister Diesel
Proper heat management from the cooling system is crucial on modified engines when you want trouble-free and reliable performance. The... -
Sinister Diesel 11-15 Chevy Duramax LML Intake Bridge
Sinister Diesel
This part may require a lead time when selecting the bung option, NOT FOR SALE IN THE STATE OF CALIFORNIA... -
Sinister Diesel 01-10 Chevy/GMC Duramax Coolant Filtration System
Sinister Diesel
Add years of life to your diesel engine with this Coolant Filter Bypass System. Removing contaminates such as the casting... -
Sinister Diesel 01-15 Chevy Duramax CAT Filter Adapter
Sinister Diesel
If you want to ensure maximum protection for your GM diesel engine's fuel system, then be sure to check out... -
Sinister Diesel Cold Air Intake 13-16 Chevy / GMC Duramax 6.6L LML
Sinister Diesel
Q: I know it is stronger and looks better, but doesn't aluminum conduct more heat than plastic? A: On a... -
Sinister Diesel Cold Air Intake 11-12 Chevy / GMC Duramax 6.6L LML
Sinister Diesel
Q: I know it is stronger and looks better, but doesn't aluminum conduct more heat than plastic? A: On a...
