Radiator & Components for 2018 Cadillac CTS
Upper Bracket
2.0L turbo. Helps align and secure your vehicle's radiator mount 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 Collision parts are designed to help promote proper and safe repair
Lower Insulator, Right
Coupe, 2.0L turbo. 2.0L turbo, main. 3.6L, main. Coupe, 3.6L. Sedan, 2.5L. Sedan, 3.6L twin-turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Drain Plug
6.2L, main. Sedan, 2.0L turbo. 2.0L turbo, main. 3.6L, main. 6.2L supercharged. Sedan, 2.5L. Coupe, 2.0L turbo. Coupe, 3.6L. Sedan, 3.6L. Helps maintain optimal temperatures Designed to withstand high temperatures This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Lower Baffle
2.0L turbo, without extra capacity. Helps properly direct airflow This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Lower Baffle
2.0L turbo, with extra capacity. Helps properly direct airflow This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Lower Baffle Lower Retainer
4.3, 4.8, 5.3, & 6.0L gas. 6.6L diesel. 6.2L, main. Sedan, 2.0L turbo. 2.0L turbo, main. Sedan, 2.5L. 6.2L supercharged, front. Coupe, 2.0L turbo. 3.6L. Lower baffle,lower retainer. Used to secure multiple components This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Lower Baffle Retainer Nut
2.0L turbo. 3.6L, main. Coupe, 3.6L twin-turbo. 6.2L supercharged. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Side Baffle, Right
2.0L turbo. 3.6L. Side baffle. Helps properly direct airflow This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Side Baffle, Left
2.0L turbo. 3.6L. Side baffle. Helps properly direct airflow This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Side Baffle Retainer, Right
Used to secure multiple components This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Collision parts are designed to help promote proper and safe repair
Upper Hose Clamp
Helps prevent leaks This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Upper Hose Clamp
2.5L, reservoir & hoses. With high output, rear. 1.5L turbo, rear. 1.4L, reservoir and hoses. 3.6L, front. 1.5L, reservoir & hoses, front. 1.6L, reservoir & hoses. 2016-18, front section, with hybrid. 2.0L. 2.5L main. rear. Helps prevent leaks This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Reservoir Tank
ATS. Coupe, 2.0L turbo. 2.0L turbo, without heavy duty cooling. 3.6L, with heavy duty cooling. Camaro. 6.2L, with supercharger. CTS-v. 6.2L supercharged. Coupe, 3.6L twin-turbo. Sedan, 2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Reservoir Tank Insulator
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Reservoir Cap
Helps seal and maintain pressure in your vehicle's cooling system for vehicle safety
Access Cover
Sedan, 2.0L turbo. 2.0L turbo, with heavy duty cooling. 6.2L, with supercharger. Sedan, 2.5L. Coupe, 2.0L turbo. 3.6L. Access cover. Helps keep coolant from flowing out of your vehicle's engine coolant recovery tank Helps keep coolant pressure at required level
Inlet Hose Clamp
Helps prevent leaks This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Radiator Coolant Hose, Upper
2.5L. ATS. Inlet, pipe to engine. Heavy Duty Cooling. Primary Radiator. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Radiator Shutter Assembly
Without CTS V 2016-19. Helps properly direct air flow
Helps keep your vehicle's engine operating at its optimal temperature
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
Collision parts are designed to help promote proper and safe repair
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
Control Module
CTS. ATS. Sedan, 2.0L turbo. Coupe, 3.6L. Sedan, 2.5L. Coupe, 2.0L turbo. Controls fan speed\
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
Camaro. CTS. Without vsport. With track perf. pkg. (y4q). ATS. Without v-series. 2.0L turbo, main, auto trans. 3.6L, main, manual trans, with hvy duty clng. 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
Lower Hose
CTS. 2.0L turbo, without heavy duty cooling. ATS. Camaro. Helps maintain optimal temperatures Designed to withstand high temperatures This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Reservoir
ATS. Coupe, 2.0L turbo. 2.0L turbo, without heavy duty cooling. 3.6L, with heavy duty cooling. Camaro. 6.2L, with supercharger. CTS-v. 6.2L supercharged. Coupe, 3.6L twin-turbo. Sedan, 2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Cap
Helps seal and maintain pressure in your vehicle's cooling system for vehicle safety
Thermostat Housing
Repairs leaking thermostat housings Manufactured to GM OE specification for fit, form, and function
Canyon, Colorado. ATS. CTS. Coupe, 2.0L turbo. Camaro. CT6. Sedan, 2.5L. 2016-18. Manufactured to GM OE specification for fit, form, and function
Gasket
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
Gasket
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
Gasket
2014-2017, #1. 2.0L turbo, #2. 2016-18, #1. 2.5L, square. Sedan, 2.5L, #1. 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