2019 Cadillac XT4 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

17 Coolant / Antifreeze parts are listed for the 2019 Cadillac XT4, from PRESTONE, PEAK, VALVOLINE and 3 other brands. FVP MV5050GAL carries the "Popular" badge.

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, FVP, PEAK, PRESTONE and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.

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 7 options from VALVOLINE, PRESTONE, ACDELCO and 2 other brands — built to original-equipment specification. ACDELCO 105027 is listed in this group.

This table covers the Coolant Air Bleed Hose pipes. Read more

GM GENUINE supplies the 3 Coolant Air Bleed Hose / Pipe parts for the 2019 Cadillac XT4.

Part numbers include GM GENUINE 55487843, GM GENUINE 55487839 and GM GENUINE 85165347.

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

GM GENUINE supplies the 4 Coolant Hose / Pipe parts for the 2019 Cadillac XT4.

Part numbers include GM GENUINE 55509175, GM GENUINE 55487844 and GM GENUINE 12745005, among others listed above.

This table covers the seals at the Coolant Hose / Pipe. 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

This group shows a single part: GM GENUINE 12669556.

This table covers the Coolant Hose retainers and clips. Read more

One part is listed for the 2019 Cadillac XT4 — GM GENUINE 11548672.

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

7 Coolant Reservoir parts for the 2019 Cadillac XT4 come from 6 brands — TECHPRO, DORMAN, GM GENUINE and 3 other brands. The "Popular" part is DORMAN 603861.

Listed part numbers: DORMAN 603861, GM GENUINE 23386455 and GPD 2411160, plus the other parts above.

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

6 Coolant Reservoir Cap parts for the 2019 Cadillac XT4 come from 6 brands — DORMAN, SKP, AUTOTECNICA and 3 other brands. The "Popular" part is DORMAN 54218.

Listed part numbers: DORMAN 54218, SKP SK54218 and AUTOTECNICA GM0714619, plus the other parts above.

This table covers the adapters used to pressure-test this cooling system. Read more

MOTORAD supplies both parts for the 2019 Cadillac XT4.

Listed part numbers: MOTORAD 3128 and MOTORAD 3127.

This table covers the Hose clamps. Read more

GM GENUINE supplies the 11 Hose Clamp parts for the 2019 Cadillac XT4. GM GENUINE 11570871 carries the "Popular" badge.

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

4 Intercooler parts are listed for the 2019 Cadillac XT4, from TECHPRO, GM GENUINE, GPD and 1 other brand.

Economy: 1 part, from TECHPRO. A representative part number is TECHPRO GM3012128.

The Standard Replacement section: 1 option from GM GENUINE. GM GENUINE 85606128 is listed in this group.

2 ungrouped parts are not assigned to a grade, with the same engine-level match.

This group includes TECHPRO GM3012128, GM GENUINE 85606128 and GPD 2711568 and the remaining parts above.

This table covers the Intercooler Air Hose pipes. Read more

One part is listed for the 2019 Cadillac XT4 — GM GENUINE 23273935.

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

5 Radiator parts are listed for the 2019 Cadillac XT4, from GPD, TECHPRO, GM GENUINE and 2 other brands. GM GENUINE 85141935 carries the "Popular" badge.

Economy: 2 parts, from GPD and TECHPRO. A representative part number is GPD 13860C.

The Standard Replacement section: 3 options from GM GENUINE, OSC and UAC. GM GENUINE 85141935 is listed in this group.

Part numbers include GM GENUINE 85141935, GPD 13860C and TECHPRO GM3010617, among others listed above.

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

2 Radiator Cap parts are listed for the 2019 Cadillac XT4, from ACDELCO and PROFESSIONAL PARTS SWEDEN.

Part numbers include ACDELCO RC124 and PROFESSIONAL PARTS SWEDEN 21342353.

This table covers the petcocks used to drain the radiator. Read more

2 Radiator Drain Petcock parts for the 2019 Cadillac XT4 come from 2 brands — ACDELCO and DORMAN.

Listed part numbers: ACDELCO 22985584 and DORMAN 61134.

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

8 Radiator Fan Assembly parts for the 2019 Cadillac XT4 come from 4 brands — TECHPRO, GM GENUINE, AGILITY and 1 other brand. The "Popular" part is AGILITY 6010538.

The Economy section: 3 options from TECHPRO. TECHPRO GM3115329 is listed in this group.

Standard Replacement: 5 parts, from GM GENUINE, AGILITY and UAC. A representative part number is AGILITY 6010538.

Part numbers include AGILITY 6010538, TECHPRO GM3115329 and TECHPRO GM3115317, among others listed above.

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

3 Radiator Hose parts for the 2019 Cadillac XT4 come from ACDELCO.

This group includes ACDELCO 55487848, ACDELCO 85151094 and ACDELCO 85165353.

This table covers the Radiator Upper Air Baffle retainers and clips. Read more

3 Radiator Upper Air Baffle Retainer / Clip parts for the 2019 Cadillac XT4 come from DORMAN.

Part numbers include DORMAN 700365, DORMAN 961364 and DORMAN 963058.

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

14 Temperature Sender / Sensor parts are listed for the 2019 Cadillac XT4, from GM GENUINE, GPD, HOLSTEIN and 4 other brands. GM GENUINE 55497116 carries the "Popular" badge.

Economy: 4 parts, from GPD and HOLSTEIN. A representative part number is GPD 1814555.

The Standard Replacement section: 10 options from GM GENUINE, WALKER PRODUCTS, STANDARD MOTOR PRODUCTS and 2 other brands. GM GENUINE 55497116 is listed in this group.

This table covers the Temperature Sender / Sensor clips. Read more

One part is listed for the 2019 Cadillac XT4 — DORMAN 66264.

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

4 Thermostat parts for the 2019 Cadillac XT4 come from 2 brands — MOTORAD and FOUR SEASONS.

Part numbers include FOUR SEASONS 86363, MOTORAD 922182 and MOTORAD 922195, among others listed above.

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

2 Thermostat Housing / Water Outlet parts for the 2019 Cadillac XT4 come from 2 brands — SKP and MOTORAD.

The Economy section: 1 option from SKP. SKP SKCH1111 is listed in this group.

Standard Replacement: 1 part, from MOTORAD. A representative part number is MOTORAD CH1111.

This group includes SKP SKCH1111 and MOTORAD CH1111.

This table covers the gaskets that seal the Water Inlet. 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

One part is listed for the 2019 Cadillac XT4 — GM GENUINE 55504553.

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

3 Water Pump parts for the 2019 Cadillac XT4 come from 3 brands — GM GENUINE, GMB and FVP.

The High Volume / Pressure section lists 1 option from GM GENUINE — grouped under the catalog's "High Volume / Pressure" designation — the notes column spells out what sets them apart. GM GENUINE 12738953 is listed in this group.

Standard Replacement: 1 part, from GMB. A representative part number is GMB 1309080.

1 further part sits outside the graded sections, with the same engine-level match.

Listed part numbers: GM GENUINE 12738953 and GMB 1309080, plus the other parts above.

This table covers the brackets that mount the Water Pump. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

This group shows a single part: GM GENUINE 55497659.