Coolant Reservoirs

The factory plastic GM Coolant Heater Core Firewall Fitting is a common failure point on Duramax trucks and other GM vehicles. Our made in the USA, billet aluminum direct-fit replacement is more resistant to heat and vibration. Prevent leaks with this...

Coolant Overflow Tank: 1.25 qrt, Rectangular, Polished, Alumium, 3/8 " NPT Inlet, 1/2" NPT Outlet. Length: 3.00" (76.2mm), Width: 4.50" (114.3mm), Height: 7.00" (178mm) Includes Billet Neck and Cap with 1/4" nipple.

Although it's often overlooked, a durable coolant overflow tank is a crucial component of any cooling system. Leaks within the overflow system can result in air entry into your coolant, which ultimately leads to overheating. Upgrade your plastic overflow...

Although it's often overlooked, a durable coolant overflow tank is a crucial component of any cooling system. Leaks within the overflow system can result in air entry into your coolant, which ultimately leads to overheating. Upgrade your plastic overflow...

Coolant Expansion Tank: 2.50 qrt, Rectangular, Polished, Alumium, 3/8 " NPT Inlet, 1/2" NPT Outlet. Length: 4.00" (101.6mm), Width: 4.50" (114.3mm), Height: 9.50" (241.3mm); Note: Tank Accepts Standard Radiator Cap.

Coolant Expansion Tank: 1.25 qrt, Rectangular, Polished, Alumium, 3/8 " NPT Inlet, 1/2" NPT Outlet. Length: 3.00" (76.2mm), Width: 4.50" (114.3mm), Height: 7.00" (178mm); Note: Tank Accepts Standard Radiator Cap.

Weapon R 24 fl oz Polished Coolant Reserve w/ Bottom Inlet and View Tube

Sinister Diesel Chevy Duramax L5P Coolant Reservoir Cap

Weapon R Universal Catch Tank 18 fl oz (Stealth Black) Top Outlet Aluminum Coolant Overflow Tank

Weapon R Honda Ruckus (no view tube) Aluminum Coolant Overflow Tank

Weapon R Honda Ruckus (w/ View Tube) Aluminum Coolant Overflow Tank

Weapon R Universal Reserve 24 fl oz (Stealth Black) Bottom Outlet Aluminum Coolant Overflow Tank