76 Cooling system parts are listed for the 2024 Cadillac XT4, in 17 part types, covering the 2.0L L4 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The cooling system system on the 2024 Cadillac XT4 keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. The largest groups are Coolant / Antifreeze (15 parts), Hose Clamp (11 parts) and Temperature Sender / Sensor (10 parts). The other 14 part types cover the remaining 40 parts.
The 2024 Cadillac XT4 came with a single engine, the 2.0L L4 Turbocharged, and every part is verified against it.
21 brands supply cooling system parts for the 2024 Cadillac XT4, led by GM GENUINE (28 parts), PRESTONE (7 parts) and TECHPRO (6 parts), plus 18 more brands. Quality grades include Standard Replacement, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2024 Cadillac XT4. 12 parts have it, including PRESTONE AF2100 (Coolant / Antifreeze) and DORMAN 603861 (Coolant Reservoir). Each part number opens a page with every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3055 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| PRESTONE | AF3100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE | 719009 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AFC12100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Global Lifetime1 Gallon | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 105027 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | DEX-Cool Extended LifeDexcool (with DE-Ionized Water) (with Bitterant) 1 Gallon | View on Amazon |
| VALVOLINE Popular | ZXEL1 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Dex-Cool Orange1 Gallon | View on Amazon |
| AISIN | ACD005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OrangeOAT | View on Amazon |
| PRESTONE | AF3400 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Prime OrangeOrange Compatible | View on Amazon |
| PRESTONE | AF850 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | DEX-Cool Extended Life1 Gallon | View on Amazon |
| VALVOLINE | 888374 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | American Vehicle Orange1 Gallon | View on Amazon |
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.
15 Coolant / Antifreeze parts are listed for the 2024 Cadillac XT4, from PRESTONE, PEAK, VALVOLINE and 2 other brands. PRESTONE AF2100 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, PEAK, PRESTONE and VALVOLINE supply 3 parts: the catalog's value-priced group. A representative part number is PEAK BQA1GAL.
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 6 options from VALVOLINE, PRESTONE, ACDELCO and 1 other brand — built to original-equipment specification. ACDELCO 105027 is listed in this group.
Coolant Air Bleed Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 55487843 | 🇺🇸 US 🇨🇦 CA | without ClampPart Of Engine Oil Cooler Coolant Inlet Hose Assembly | View on Amazon |
| GM GENUINE | 55487839 | 🇺🇸 US 🇨🇦 CA | For Transversal Engine PositionP/O Engine Assembly | View on Amazon |
| GM GENUINE | 85165347 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Coolant Air Bleed Hose pipes.
GM GENUINE supplies the 3 Coolant Air Bleed Hose / Pipe parts for the 2024 Cadillac XT4.
Listed part numbers: GM GENUINE 55487843, GM GENUINE 55487839 and GM GENUINE 85165347.
Coolant Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 55509175 | 🇺🇸 US 🇨🇦 CA | Thermostat To PipeJapan WLTP Emission System (NM9), Tier 3 Federal Emission System (NTB), SULEV30 California Emissions (NUG), SULEV30 Korean Emissions (NUL), Euro 6D Emission System (NCL) | View on Amazon |
| GM GENUINE | 55487844 | 🇺🇸 US 🇨🇦 CA | Thermostat To PipeJapan WLTP Emission System (NM9), Tier 3 Federal Emission System (NTB), SULEV30 California Emissions (NUG), SULEV30 Korean Emissions (NUL), Euro 6D Emission System (NCL) | View on Amazon |
| GM GENUINE | 12745005 | 🇺🇸 US 🇨🇦 CA | PipeMounting Bracket Included: YES | View on Amazon |
| GM GENUINE | 55487351 | 🇺🇸 US 🇨🇦 CA | Oil Cooler Inletwith Connector and Clamp | View on Amazon |
This table covers the hard pipes and extra hoses in the coolant circuit.
GM GENUINE supplies the 4 Coolant Hose / Pipe parts for the 2024 Cadillac XT4.
This group includes GM GENUINE 55509175, GM GENUINE 55487844 and GM GENUINE 12745005 and the remaining parts above.
Coolant Hose Retainer / Clip
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 11548672 | 🇺🇸 US 🇨🇦 CA | InletClip-Routing, Holds 37-43MM Tube, Plastic Tree Fits 6.35MM Hole | View on Amazon |
This table covers the Coolant Hose retainers and clips.
One part is listed for the 2024 Cadillac XT4 — GM GENUINE 11548672.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 603861 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| GM GENUINE Popular | 23386455 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GPD | 2411160 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| MAHLE / CLEVITE | CRT315000S | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Plastic | View on Amazon |
| TECHPRO | GM3014175 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TECHPRO | GM3014176 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes Cap | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
6 Coolant Reservoir parts for the 2024 Cadillac XT4 come from 5 brands — TECHPRO, DORMAN, GM GENUINE and 2 other brands. The "Popular" part is DORMAN 603861.
Part numbers include DORMAN 603861, GM GENUINE 23386455 and GPD 2411160, among others listed above.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 54218 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| CALORSTAT | RC0144 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Maximum Pressure Rating: 20.0 PS | View on Amazon |
| GATES | 31569 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Type | View on Amazon |
| MOTORAD | T62 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Standard | View on Amazon |
| SKP | SK54218 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
5 Coolant Reservoir Cap parts for the 2024 Cadillac XT4 come from 5 brands — DORMAN, CALORSTAT, GATES and 2 other brands. The "Popular" part is DORMAN 54218.
Part numbers include DORMAN 54218, CALORSTAT RC0144 and GATES 31569, among others listed above.
Hose Clamp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 90572594 | 🇺🇸 US 🇨🇦 CA | Single Use27 Diameter | View on Amazon |
| GM GENUINE Popular | 13162312 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Popular | 90530642 | 🇺🇸 US 🇨🇦 CA | Single UseClamp-Sprindband, 14X12, Double Band | View on Amazon |
| GM GENUINE | 11548826 | 🇺🇸 US 🇨🇦 CA | StandardSingle Use | View on Amazon |
| GM GENUINE | 55510135 | 🇺🇸 US 🇨🇦 CA | Single Use25-28 ID, 9 Wide | View on Amazon |
| GM GENUINE | 11549305 | 🇺🇸 US 🇨🇦 CA | BlackSteel | View on Amazon |
| GM GENUINE | 55510134 | 🇺🇸 US 🇨🇦 CA | Single Use21-24 ID, 9 Wide | View on Amazon |
| GM GENUINE | 11548976 | 🇺🇸 US 🇨🇦 CA | Fits Lower48 Diameter | View on Amazon |
| GM GENUINE | 13360912 | 🇺🇸 US 🇨🇦 CA | At EXH Pipe15.7 Diameter X 7 Width | View on Amazon |
| GM GENUINE | 13162322 | 🇺🇸 US 🇨🇦 CA | Single UseClamp | View on Amazon |
| GM GENUINE | 11611503 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the Hose clamps.
GM GENUINE supplies the 11 Hose Clamp parts for the 2024 Cadillac XT4. GM GENUINE 90572594 carries the "Popular" badge.
Intercooler
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO | GM3012128 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 85606128 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: YES | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 2711568 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| TYC | 18138 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the intercoolers that cool turbo or supercharger charge air.
4 Intercooler parts are listed for the 2024 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.
Part numbers include TECHPRO GM3012128, GM GENUINE 85606128 and GPD 2711568, among others listed above.
Intercooler Air Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 23273935 | 🇺🇸 US 🇨🇦 CA | Air Outlet | View on Amazon |
This table covers the Intercooler Air Hose pipes.
One part is listed for the 2024 Cadillac XT4 — GM GENUINE 23273935.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 13860C | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| TECHPRO | GM3010617 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 85141935 | 🇺🇸 US 🇨🇦 CA | Down Flow Or Cross Flow Type: CROSS Flow | View on Amazon |
| OSC | 13860 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| UAC | RA13860C | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Downflow | View on Amazon |
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.
5 Radiator parts are listed for the 2024 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.
This group includes GM GENUINE 85141935, GPD 13860C and TECHPRO GM3010617 and the remaining parts above.
Radiator Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | RC124 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
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.
One part is listed for the 2024 Cadillac XT4 — ACDELCO RC124.
Radiator Drain Petcock
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 22985584 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
This table covers the petcocks used to drain the radiator.
This group shows a single part: ACDELCO 22985584.
Radiator Fan Assembly
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO | GM3115343 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Heavy Duty Cooling2nd Design | View on Amazon |
| TECHPRO | GM3115352 | 🇺🇸 US 🇨🇦 CA | Standard Duty Cooling | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84897501 | 🇺🇸 US 🇨🇦 CA | Exc. Heavy Duty Cooling (V08)500W | View on Amazon |
| GM GENUINE | 84897502 | 🇺🇸 US 🇨🇦 CA | Heavy Duty Cooling (V08)850W | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
4 Radiator Fan Assembly parts for the 2024 Cadillac XT4 come from 2 brands — TECHPRO and GM GENUINE.
The Economy section: 2 options from TECHPRO. TECHPRO GM3115343 is listed in this group.
Standard Replacement: 2 parts, from GM GENUINE. A representative part number is GM GENUINE 84897501.
Part numbers include TECHPRO GM3115343, TECHPRO GM3115352 and GM GENUINE 84897501, among others listed above.
Radiator Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 85151094 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| ACDELCO | 85165353 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
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.
2 Radiator Hose parts for the 2024 Cadillac XT4 come from ACDELCO.
Part numbers include ACDELCO 85151094 and ACDELCO 85165353.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 1814558 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Located on Radiator | View on Amazon |
| HOLSTEIN | 2CTS0330 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Engine Block | View on Amazon |
| HOLSTEIN | 2CTS0334 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RADIATOR | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 55488246 | 🇺🇸 US 🇨🇦 CA | without Sealwithout Gasket | View on Amazon |
| GM GENUINE Popular | 55497116 | 🇺🇸 US 🇨🇦 CA | Includes Gasket | View on Amazon |
| GM GENUINE | 55489870 | 🇺🇸 US 🇨🇦 CA | with Sealwithout Gasket | View on Amazon |
| STANDARD MOTOR PRODUCTS | TX541 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mounted to Thermostat Housing | View on Amazon |
| STANDARD MOTOR PRODUCTS | TX375 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Located on Radiator | View on Amazon |
| WELLS | 5S17529 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Located at Engine | View on Amazon |
| WELLS | 5S17528 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Located on Radiator | View on Amazon |
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.
10 Temperature Sender / Sensor parts are listed for the 2024 Cadillac XT4, from GM GENUINE, HOLSTEIN, STANDARD MOTOR PRODUCTS and 2 other brands. GM GENUINE 55488246 carries the "Popular" badge.
Economy: 3 parts, from HOLSTEIN and GPD. A representative part number is GPD 1814558.
The Standard Replacement section: 7 options from GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS. GM GENUINE 55488246 is listed in this group.
Thermostat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS | 86363 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| MOTORAD | TA9127 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Control ValveIncludes housings, sensors and seal | View on Amazon |
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.
2 Thermostat parts for the 2024 Cadillac XT4 come from 2 brands — FOUR SEASONS and MOTORAD.
Part numbers include FOUR SEASONS 86363 and MOTORAD TA9127.
Thermostat Housing / Water Outlet
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP | SKCH1111 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Thermostat Housing | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
This group shows a single part: SKP SKCH1111.
Buying Cooling System Parts for a 2024 Cadillac XT4
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Confirm you have the 2.0L L4 Turbocharged engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Coolant / Antifreeze and Hose Clamp .
Frequently Asked Questions
How many cooling system parts fit the 2024 Cadillac XT4?
Our catalog currently lists 76 cooling system parts for the 2024 Cadillac XT4 across 17 subcategories and 21 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2024 Cadillac XT4?
Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2024 Cadillac XT4 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2024 Cadillac XT4?
Every part on this page is matched to the 2.0L L4 Turbocharged engine. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2024 Cadillac XT4
Cooling System Parts for Other Cadillac XT4 Years
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