The popular Mr. Gasket GM LS water necks are now available in black or a polished aluminum finish. The mounting holes on these water necks are slotted to fit all model years of the GM LS Series engines. Choose from the 30 degree swivel style or a...

Genuine GM 12608814 LS Engine Coolant Temperature Sensor LS1 LS2 LS3 L98 L77 L76 Fittment Gen III/IV LS engines: LS1 LS2 LS3 LS6 L98 L77 L76 LSA Gen V LT engines: LT1 LT4 L83 L86 GM Part Number: 12608814 / ACDelco Part Number: 213-4333  

Thermostat, 160º Thermostat, CHECK APPLICATION BELOW 2.20" upper outer diameter (without gasket)  2.34" upper outer diameter (with gasket) 2.71" overall length   These low-temp thermostats dramatically reduce operating...

Utilizes a brass-plated thermistor to measure engine coolant temperature. As the engine operating temperature increases, the resistance in the thermistor decreases, informing the ECU to adjust fueling.

Chevrolet Performance Engine Coolant Drain Port Plug 97-15 Gen III/IV LS Engines This coolant plug for the GM LS-Family (1997-2015) of engines allows you to plug the coolant path on the right bank of cylinders (driver's side) when deleting the factory...

CHEVROLET PERFORMANCE CYLINDER HEAD COOLANT BLOCK OFF PLUG- Gen III/Gen IV LS 1 QTY