2018 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 are listed for the 2018 Buick Enclave, 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

One part is listed for the 2018 Buick Enclave — GM GENUINE 12717154.

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

GM GENUINE supplies the 3 Coolant Hose / Pipe parts for the 2018 Buick Enclave.

This group includes 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

This group shows a single part: 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

This group shows a single part: ELRING 943020.

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

One part is listed for the 2018 Buick Enclave — 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

This group shows a single part: AJUSA 01154600.

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

4 Coolant Reservoir parts for the 2018 Buick Enclave come from 3 brands — TECHPRO, GM GENUINE and GPD.

Part numbers include GM GENUINE 84403735, GPD 2411288 and TECHPRO GM3014197, among others listed 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 2018 Buick Enclave come from 6 brands — DORMAN, SKP, AUTOTECNICA and 3 other brands. The "Popular" part is DORMAN 54218.

Part numbers include DORMAN 54218, SKP SK54218 and AUTOTECNICA GM0714619, among others listed above.

This table covers the Coolant Reservoir clamps. Read more

One part is listed for the 2018 Buick Enclave — GM GENUINE 90572587.

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

3 Cooling System Tester Adapter parts are listed for the 2018 Buick Enclave, from MOTORAD and GATES.

Listed part numbers: GATES 31391, MOTORAD 3128 and MOTORAD 3127.

This table covers the Hose clamps. Read more

GM GENUINE supplies the 5 Hose Clamp parts for the 2018 Buick Enclave. GM GENUINE 90572594 carries the "Popular" badge.

Listed part numbers: GM GENUINE 90572594, GM GENUINE 11602217 and GM GENUINE 11547681, plus the other parts 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 are listed for the 2018 Buick Enclave, from GM GENUINE, SPECTRA PREMIUM, TYC and 4 other brands. SPECTRA PREMIUM CU13758 carries the "Popular" badge.

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 are listed for the 2018 Buick Enclave, from ACDELCO and PROFESSIONAL PARTS SWEDEN.

Listed part numbers: ACDELCO RC124 and PROFESSIONAL PARTS SWEDEN 21342353.

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

This group shows a single part: 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 for the 2018 Buick Enclave come from 6 brands — GM GENUINE, VARIOUS MFR, FOUR SEASONS and 3 other brands. The "Popular" part is GM GENUINE 84725046.

The Economy section: 1 option from VARIOUS MFR. VARIOUS MFR GM3115313 is listed in this group.

Standard Replacement: 5 parts, from GM GENUINE, FOUR SEASONS, TYC and 1 other brand. A representative part number is GM GENUINE 84725046.

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

This group includes GM GENUINE 84725046, VARIOUS MFR GM3115313 and GM GENUINE 84725045 and the remaining 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 for the 2018 Buick Enclave come from 3 brands — ACDELCO, GATES and CONTINENTAL. The "Popular" part is CONTINENTAL 66271.

Part numbers include CONTINENTAL 66271, ACDELCO 84819090 and ACDELCO 84819088, among others listed 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

2 Radiator Seal parts for the 2018 Buick Enclave come from GM GENUINE.

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 are listed for the 2018 Buick Enclave, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, DORMAN and 10 other brands. STANDARD MOTOR PRODUCTS TX89T carries the "Popular" badge.

Economy: 5 parts, from STANDARD MOTOR PRODUCTS, DORMAN, GPD and 2 other brands. A representative part number is STANDARD MOTOR PRODUCTS TX89T.

In the Full Service Kit grade, WALKER PRODUCTS supplies 1 part: grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. A representative part number is WALKER PRODUCTS 21191118.

The Standard Replacement section: 9 options from GM GENUINE, STANDARD MOTOR PRODUCTS, BECK/ARNLEY and 6 other brands. GM GENUINE 2134333 is listed in this group.

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

This group shows a single part: 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 are listed for the 2018 Buick Enclave, from FEL-PRO, GM GENUINE, MAHLE / CLEVITE and 4 other brands. FEL-PRO 35855 carries the "Popular" badge.

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

4 Thermostat Housing / Water Outlet parts for the 2018 Buick Enclave come from 3 brands — GM GENUINE, GATES and MOTORAD.

Listed part numbers: GATES CO34997, GM GENUINE 1511055 and GM GENUINE 1581920, plus the other 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 for the 2018 Buick Enclave come from 12 brands — GM GENUINE, BECK/ARNLEY, SKP and 9 other brands. The "Popular" part is BECK/ARNLEY 1312378.

The Economy section: 6 options from BECK/ARNLEY, SKP, CARTER and 3 other brands. BECK/ARNLEY 1312378 is listed in this group.

Standard Replacement: 7 parts, from GM GENUINE, ACDELCO, AISIN and 3 other brands. A representative part number is GM GENUINE 12739553.

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 are listed for the 2018 Buick Enclave, from FEL-PRO, GM GENUINE, APEX and 3 other brands. FEL-PRO 35859 carries the "Popular" badge.

This group includes FEL-PRO 35859, GM GENUINE 2512052 and APEX AWP3231 and the remaining parts 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

One part is listed for the 2018 Buick Enclave — 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

This group shows a single part: GM GENUINE 12691259.