2019 Buick Enclave 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 for the 2019 Buick Enclave come from 6 brands — PRESTONE, PEAK, VALVOLINE and 3 other brands. The "Popular" part is FVP MV5050GAL.

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, PRESTONE supplies 1 part: rated for severe service. A representative part number is PRESTONE AFC12100.

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, VALVOLINE, PRESTONE, ACDELCO and 2 other brands supply 7 parts: built to original-equipment specification. A representative part number is ACDELCO 105027.

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

This group shows a single part: GM GENUINE 12717154.

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

3 Coolant Hose / Pipe parts for the 2019 Buick Enclave come from GM GENUINE.

Listed part numbers: GM GENUINE 84819079, GM GENUINE 84819082 and GM GENUINE 84819078.

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

One part is listed for the 2019 Buick Enclave — ELRING 943630.

This table covers the seals at the Coolant Hose Connector / Flange. 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

One part is listed for the 2019 Buick Enclave — ELRING 943020.

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

This group shows a single part: GM GENUINE 11547445.

This table covers the gaskets that seal the Coolant Pipe. 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 Buick Enclave — AJUSA 01154600.

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

4 Coolant Reservoir parts are listed for the 2019 Buick Enclave, from TECHPRO, GM GENUINE and GPD.

This group includes GM GENUINE 84403735, GPD 2411288 and TECHPRO GM3014197 and the remaining 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

7 Coolant Reservoir Cap parts are listed for the 2019 Buick Enclave, from DORMAN, SKP, AUTOTECNICA and 3 other brands. DORMAN 54218 carries the "Popular" badge.

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

This table covers the Coolant Reservoir clamps. Read more

This group shows a single part: GM GENUINE 90572587.

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

2 Cooling System Tester Adapter parts for the 2019 Buick Enclave come from MOTORAD.

Part numbers include MOTORAD 3128 and MOTORAD 3127.

This table covers the Hose clamps. Read more

5 Hose Clamp parts for the 2019 Buick Enclave come from GM GENUINE. The "Popular" part is GM GENUINE 90572594.

Part numbers include GM GENUINE 90572594, GM GENUINE 11547681 and GM GENUINE 90572587, 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

8 Radiator parts for the 2019 Buick Enclave come from 7 brands — GM GENUINE, SPECTRA PREMIUM, TYC and 4 other brands. The "Popular" part is SPECTRA PREMIUM CU13758.

Listed part numbers: SPECTRA PREMIUM CU13758, TYC 13688 and AGILITY 8013688, plus the other parts 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 for the 2019 Buick Enclave come from 2 brands — ACDELCO and PROFESSIONAL PARTS SWEDEN.

This group includes ACDELCO RC124 and PROFESSIONAL PARTS SWEDEN 21342353.

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

One part is listed for the 2019 Buick Enclave — GM GENUINE 23444086.

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

7 Radiator Fan Assembly parts are listed for the 2019 Buick Enclave, from GM GENUINE, VARIOUS MFR, FOUR SEASONS and 3 other brands. GM GENUINE 84725046 carries the "Popular" badge.

Economy: 1 part, from VARIOUS MFR. A representative part number is VARIOUS MFR GM3115313.

The Standard Replacement section: 5 options from GM GENUINE, FOUR SEASONS, TYC and 1 other brand. GM GENUINE 84725046 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Listed part numbers: GM GENUINE 84725046, VARIOUS MFR GM3115313 and GM GENUINE 84725045, plus the other parts 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

5 Radiator Hose parts are listed for the 2019 Buick Enclave, from ACDELCO, GATES and CONTINENTAL. CONTINENTAL 66271 carries the "Popular" badge.

Listed part numbers: CONTINENTAL 66271, ACDELCO 84819090 and ACDELCO 84819088, plus the other parts above.

This table covers the seals at the Radiator. 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

GM GENUINE supplies both parts for the 2019 Buick Enclave.

Listed part numbers: GM GENUINE 23204611 and GM GENUINE 84211463.

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

15 Temperature Sender / Sensor parts for the 2019 Buick Enclave come from 13 brands — STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, DORMAN and 10 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TX89T.

The Economy section: 5 options from STANDARD MOTOR PRODUCTS, DORMAN, GPD and 2 other brands. STANDARD MOTOR PRODUCTS TX89T is listed in this group.

The Full Service Kit section lists 1 option from WALKER PRODUCTS — grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. WALKER PRODUCTS 21191118 is listed in this group.

Standard Replacement: 9 parts, from GM GENUINE, STANDARD MOTOR PRODUCTS, BECK/ARNLEY and 6 other brands. A representative part number is GM GENUINE 2134333.

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

One part is listed for the 2019 Buick Enclave — MOTORAD 1103180.

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

17 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2019 Buick Enclave come from 7 brands — FEL-PRO, GM GENUINE, MAHLE / CLEVITE and 4 other brands. The "Popular" part is FEL-PRO 35855.

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

4 Thermostat Housing / Water Outlet parts are listed for the 2019 Buick Enclave, from GM GENUINE, GATES and MOTORAD.

This group includes GATES CO34997, GM GENUINE 1511055 and GM GENUINE 1581920 and the remaining parts above.

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

13 Water Pump parts are listed for the 2019 Buick Enclave, from GM GENUINE, BECK/ARNLEY, SKP and 9 other brands. BECK/ARNLEY 1312378 carries the "Popular" badge.

Economy: 6 parts, from BECK/ARNLEY, SKP, CARTER and 3 other brands. A representative part number is BECK/ARNLEY 1312378.

The Standard Replacement section: 7 options from GM GENUINE, ACDELCO, AISIN and 3 other brands. GM GENUINE 12739553 is listed in this group.

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

6 Water Pump Gasket parts for the 2019 Buick Enclave come from 6 brands — FEL-PRO, GM GENUINE, APEX and 3 other brands. The "Popular" part is FEL-PRO 35859.

Part numbers include FEL-PRO 35859, GM GENUINE 2512052 and APEX AWP3231, among others listed above.

This table covers the Water Pump pulleys. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

This group shows a single part: GM GENUINE 12611587.

This table covers the Water Pump Seal O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

One part is listed for the 2019 Buick Enclave — GM GENUINE 12691259.