2020-2021 Duramax Coolant Filtration System (SD-CF-L5P-20)

Fits

Remove contaminates like casting sand & metal shavings all while adding a few more years to your diesel's water pump, EGR cooler & oil cooler with Sinister's Coolant Filter bypass system. 

Part Number: SD-CF-L5P-20

• 6061 Aluminum Filter Block, Silicone Hose
• CNC Machined 6061 Aluminum, Anodized in Sinister Blue
• Cleaner coolant for longer engine life
• 2 threaded inlet ports and 1 outlet port

Includes:

• Genuine WIX Coolant Filter
• Filter Block
• Mounting Bracket
• Installation Hardware

• Recommended Tools: 9/16”, 13/16” wrench, 8mm socket, 3/8” 12 point socket or 5/16” combination wrench, large adjustable wrench, regular screwdriver, utility knife, diagonal cutters
• This item will not fit trucks that have dual alternators
• The replacement of the first filter at 500 miles with the replacement of the second and third filters is at 3,000 miles each. After 3 changes, filter replacement can be done once a year.