2021 Chevrolet Express Cargo 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

10 Coolant / Antifreeze parts are listed for the 2021 Chevrolet Express Cargo, from PRESTONE, PEAK, VALVOLINE and 1 other brand. PRESTONE AF3100 carries the "Popular" badge. All of them fit every engine offered in the 2021 Express Cargo.

The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.

In the Economy grade, PRESTONE, PEAK and VALVOLINE supply 3 parts: the catalog's value-priced group. A representative part number is PRESTONE AF3100.

The Heavy Duty section lists 1 option from PRESTONE — rated for severe service. PRESTONE AFC12100 is listed in this group.

The Premium section lists 4 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.

The Standard Replacement section lists 1 option from AISIN — built to original-equipment specification. AISIN ACD005 is listed in this group.

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

2 Coolant Reservoir parts for the 2021 Chevrolet Express Cargo come from 2 brands — DORMAN and GPD. Every part fits both the 4.3L V6 and the 6.6L V8.

This group includes DORMAN 603078 and GPD 2411182.

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

2 Coolant Reservoir Cap parts for the 2021 Chevrolet Express Cargo come from 2 brands — DORMAN and SKP.

Part numbers include DORMAN 54218 and SKP SK54218.

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

One part is listed for the 2021 Chevrolet Express Cargo — SPECTRA PREMIUM CU13867.

This table covers the caps that hold system pressure at the radiator or reservoir neck. 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 Chevrolet Express Cargo — GATES 31532.

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

2 Temperature Sender / Sensor parts are listed for the 2021 Chevrolet Express Cargo, from GPD and WELLS. All of them fit every engine offered in the 2021 Express Cargo.

Economy: 1 part, from GPD. A representative part number is GPD 1712496.

The Standard Replacement section: 1 option from WELLS. WELLS 5S13427 is listed in this group.

This group includes GPD 1712496 and WELLS 5S13427.

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

3 Thermostat parts for the 2021 Chevrolet Express Cargo come from 3 brands — AUTOTECNICA, DORMAN and GATES. 2 parts fit every engine; the other 1 is engine-specific.

The Economy section: 2 options from AUTOTECNICA and DORMAN. AUTOTECNICA GM0718523 is listed in this group.

Standard Replacement: 1 part, from GATES. A representative part number is GATES 34198.

This group includes AUTOTECNICA GM0718523, DORMAN 9022981 and GATES 34198.

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

This group shows a single part: DORMAN 9022081.

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

This group shows a single part: GATES 45073.