2021 Alfa Romeo Giulia Cooling System Parts

This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator. Read more

14 Coolant / Antifreeze parts for the 2021 Alfa Romeo Giulia come from 6 brands — PRESTONE, PEAK, VALVOLINE and 3 other brands. The "Popular" part is FVP MV5050GAL. Every part fits both the 2.0L L4 Turbocharged and the 2.9L V6 Turbocharged.

In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.

The Economy section lists 4 options from FVP, PEAK, PRESTONE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

In the Heavy Duty grade, VALVOLINE supplies 1 part: rated for severe service. A representative part number is VALVOLINE ZXG051.

In the Premium grade, PRESTONE and PEAK supply 4 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, AISIN, MOPAR, PEAK and 1 other brand supply 4 parts: built to original-equipment specification. A representative part number is AISIN ACE009.

This table covers the hard pipes and extra hoses in the coolant circuit. Read more

10 Coolant Hose / Pipe parts for the 2021 Alfa Romeo Giulia come from MOPAR.

This table covers the overflow / expansion tanks that hold extra coolant. Read more

MOPAR supplies the 3 Coolant Reservoir parts for the 2021 Alfa Romeo Giulia. 1 part fits every engine; the other 2 are engine-specific.

Part numbers include MOPAR 68300859AA, MOPAR 68401836AA and MOPAR 68300497AA.

This table covers the caps on the overflow / expansion tank. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

One part is listed for the 2021 Alfa Romeo Giulia — CALORSTAT RC0144.

This table covers the Hose clamps. Read more

7 Hose Clamp parts for the 2021 Alfa Romeo Giulia come from MOPAR.

This group includes MOPAR 68250728AA, MOPAR 68268886AA and MOPAR 68337086AA and the remaining parts above.

This table covers the intercoolers that cool turbo or supercharger charge air. Read more

2 Intercooler parts for the 2021 Alfa Romeo Giulia come from MOPAR.

This group includes MOPAR 68301387AA and MOPAR 68301388AA.

This table covers the Intercooler Air Hose pipes. Read more

7 Intercooler Air Hose / Pipe parts for the 2021 Alfa Romeo Giulia come from MOPAR.

Part numbers include MOPAR 5281393AD, MOPAR 5281505AD and MOPAR 5281935AE, among others listed above.

This table covers the radiators that dump engine heat to airflow through the core. Typical signs include overheating in traffic, a wet core, or coolant that disappears with no puddle. Replace the cap if it cannot hold the rated pressure, and bleed the system after the swap. Read more

4 Radiator parts for the 2021 Alfa Romeo Giulia come from 2 brands — MOPAR and NISSENS. 2 parts fit every engine; the other 2 are engine-specific.

Listed part numbers: MOPAR 68300963AA, MOPAR 68472913AA and MOPAR 68472914AA, plus the other parts above.

This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator. Read more

4 Radiator Fan Assembly parts are listed for the 2021 Alfa Romeo Giulia, from TECHPRO and MOPAR. 1 part fits every engine; the other 3 are engine-specific.

Economy: 2 parts, from TECHPRO. A representative part number is TECHPRO AR3115100.

The Standard Replacement section: 2 options from MOPAR. MOPAR 68462477AA is listed in this group.

This group includes TECHPRO AR3115100, TECHPRO AR3115102 and MOPAR 68462477AA and the remaining parts above.

This table covers the shrouds that duct air through the fan and radiator. Read more

3 Radiator Fan Shroud parts for the 2021 Alfa Romeo Giulia come from MOPAR.

Part numbers include MOPAR 68353896AA, MOPAR 68353988AA and MOPAR 68361437AA.

This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

MOPAR supplies the 10 Radiator Hose parts for the 2021 Alfa Romeo Giulia.

This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender. Read more

6 Temperature Sender / Sensor parts for the 2021 Alfa Romeo Giulia come from 5 brands — MOPAR, HOLSTEIN, UNITED MOTOR PRODUCTS and 2 other brands. The "Popular" part is WALKER PRODUCTS 2111043. 4 parts fit every engine; the other 2 are engine-specific.

The Economy section: 2 options from HOLSTEIN and UNITED MOTOR PRODUCTS. HOLSTEIN 2CTS0262 is listed in this group.

Standard Replacement: 4 parts, from MOPAR, WALKER PRODUCTS and WELLS. A representative part number is WALKER PRODUCTS 2111043.

This group includes WALKER PRODUCTS 2111043, HOLSTEIN 2CTS0262 and UNITED MOTOR PRODUCTS CTS225 and the remaining parts above.

This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part. Read more

2 Thermostat parts are listed for the 2021 Alfa Romeo Giulia, from MOPAR and MOTORAD.

Listed part numbers: MOPAR 68438298AA and MOTORAD 1325000.

This table covers the seals at the thermostat housing and water outlet. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

2 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 Alfa Romeo Giulia come from MOPAR.

Listed part numbers: MOPAR 68311942AA and MOPAR 68348929AA.

This table covers the housings and outlets the thermostat sits in. Read more

2 Thermostat Housing / Water Outlet parts are listed for the 2021 Alfa Romeo Giulia, from MOPAR and MOTORAD.

This group includes MOPAR 68438301AA and MOTORAD CH3101.

This table covers the pumps that circulate coolant through the block and radiator. Typical signs include coolant at the weep hole, pulley play, or a growl from the front of the engine. Replace the thermostat and refill with the specified coolant whenever the pump comes off. Read more

MOPAR supplies the 4 Water Pump parts for the 2021 Alfa Romeo Giulia. 1 part fits every engine; the other 3 are engine-specific.

This group includes MOPAR 5048124AC, MOPAR 5048124AG and MOPAR 68377701AA and the remaining parts above.

This table covers the gaskets between the water pump and the block or housing. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

3 Water Pump Gasket parts for the 2021 Alfa Romeo Giulia come from 3 brands — ELRING, FEL-PRO and MOPAR.

Listed part numbers: ELRING 107880, FEL-PRO 36177 and MOPAR 4893666AA.