
Ensure optimal engine performance and protection with the Fleece Coolant Bypass Kit for the 2006-2007 5.9 Cummins. Engineered to prevent critical cooling system pressure issues, this kit guarantees consistent coolant temperatures across all cylinders, enhancing both performance and longevity.
Key Features:
- Efficient Cooling: Prevents excessive cooling system pressure and maintains stable coolant temperatures even under high stress.
- Engine Protection: Reduces the risk of engine damage by ensuring an even flow of coolant, preventing hotspots and overheating.
- Easy Installation: Designed for a straightforward installation with no drilling or cutting required—simply bolt it on and go.
- Durable Construction: Available with your choice of braided black nylon or stainless steel hose, both offering superior durability and a sleek look.
- Warranty Coverage: Backed by a 1-year limited warranty for peace of mind and reliable performance.
Upgrade your cooling system with the Fleece Coolant Bypass Kit and keep your 5.9 Cummins running smoothly and efficiently.

Ensure optimal engine performance and protection with the Fleece Coolant Bypass Kit for the 2006-2007 5.9 Cummins. Engineered to prevent critical cooling system pressure issues, this kit guarantees consistent coolant temperatures across all cylinders, enhancing both performance and longevity.
Key Features:
Efficient Cooling: Prevents excessive cooling system pressure and maintains stable coolant temperatures even under high stress.
Engine Protection: Reduces the risk of engine damage by ensuring an even flow of coolant, preventing hotspots and overheating.
Easy Installation: Designed for a straightforward installation with no drilling or cutting required—simply bolt it on and go.
Durable Construction: Available with your choice of braided black nylon or stainless steel hose, both offering superior durability and a sleek look.
Warranty Coverage: Backed by a 1-year limited warranty for peace of mind and reliable performance.
Upgrade your cooling system with the Fleece Coolant Bypass Kit and keep your 5.9 Cummins running smoothly and efficiently.[...]
Ensure optimal engine performance and protection with the Fleece Coolant Bypass Kit for the 2006-2007 5.9 Cummins. Engineered to prevent critical cooling system pressure issues, this kit guarantees consistent coolant temperatures across all cylinders, enhancing both performance and longevity.
Key Features:
- Efficient Cooling: Prevents excessive cooling system pressure and maintains stable coolant temperatures even under high stress.
- Engine Protection: Reduces the risk of engine damage by ensuring an even flow of coolant, preventing hotspots and overheating.
- Easy Installation: Designed for a straightforward installation with no drilling or cutting required—simply bolt it on and go.
- Durable Construction: Available with your choice of braided black nylon or stainless steel hose, both offering superior durability and a sleek look.
- Warranty Coverage: Backed by a 1-year limited warranty for peace of mind and reliable performance.
Upgrade your cooling system with the Fleece Coolant Bypass Kit and keep your 5.9 Cummins running smoothly and efficiently.