Water Pump for 2018 Chevrolet Express 2500
Water Pump Assembly
2018-20. Express, savana. Silverado, sierra. 4.3L. Thoroughly tested for reliable, leak-resistant performance Uniform wall sections and smooth coolant-flow cavities for efficient operation Coated seals with a stainless steel spring for durability Manufactured to GM OE specification for fit, form, and function
Water Pump Assembly Gasket
2018-20. 5.3, 6.2L. 6.6L gas. Express, savana. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 4.3L. May be made from fiber or a rubberized composite material This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Water Pump Assembly Bolt
2018-20. 5.3, 6.2L. 6.6L gas. 4.3L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Water Pump Assembly Retainer
2018-20. 6.6L gas. 1.6L. 2.7L turbo. 4.3L. 6.2L supercharged. Without powertrain cooling. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Water Pump Assembly Sleeve
2018-20. 5.3, 6.2L. Primary, 6.6L gas. Auxiliary, 6.6L gas. 4.3L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors .
Temp Sensor
Helps keep engine running at proper temperature Alerts vehicle operator of high engine temperature conditions
Thermostat
Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
Thermostat Seal
Helps close and prevent coolant from leaking out of your vehicle's cooling system components to maintain the proper engine temperature This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Water Inlet
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type

Block Heater
Express, savana. 5.3, 6.2L, engine block. Silverado, sierra. CTS. Malibu. 2.7L turbo, engine block. 4.3L, engine block. 3.0L diesel, engine block. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
2018-20. Express, savana. Lightweight; the radiators have a positive heat transfer to weight ratio Corrosion-resistant aluminum designed core helps optimize the radiators long lasting service life This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Upper Hose
2018-20. Express, savana. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Lower Hose
2018-20. Express, savana. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Reservoir
4.8, 5.3, & 6.0L. 2018-20, without teather. Express, savana. Without cap tether. Helps maintain optimal engine operating temperatures Designed to store heated coolant when pressures in the system rise and reintroduce it when cooled This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Reservoir
2018-20, with teather. Express, savana. With cap tether. Helps maintain optimal engine operating temperatures Designed to store heated coolant when pressures in the system rise and reintroduce it when cooled This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Reservoir Cap
Helps keep coolant from flowing out of your vehicle's engine coolant recovery tank Helps keep coolant pressure at required level
Reservoir Cap
2018-20, with teather. Express, savana. With cap tether. Helps keep coolant from flowing out of your vehicle's engine coolant recovery tank Helps keep coolant pressure at required level
Thermostat
Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
Water Inlet
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
Water Pump
2018-20. Express, savana. Silverado, sierra. 4.3L. Thoroughly tested for reliable, leak-resistant performance Uniform wall sections and smooth coolant-flow cavities for efficient operation Coated seals with a stainless steel spring for durability Manufactured to GM OE specification for fit, form, and function
Gasket
2018-20. 5.3, 6.2L. 6.6L gas. Express, savana. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 4.3L. May be made from fiber or a rubberized composite material This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fan Blade
2018-20. Express, savana. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fan Clutch
2018-20. Express, savana. Quiets noisy cooling fans with stuck fan clutches, restores fuel economy
Fan Shroud
2018-20. Express, savana. Front. Upper. Helps regulate engine temperature Houses cooling fans Helps optimize airflow This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors .
Fan Shroud
2018-20. Express, savana. Rear. Helps regulate engine temperature Houses cooling fans Helps optimize airflow This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors .