2021 Buick Encore 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 2021 Buick Encore, from PRESTONE, PEAK, VALVOLINE and 3 other brands. FVP MV5050GAL carries the "Popular" badge. 13 parts fit every engine; the other 4 are engine-specific.

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 5 Coolant Air Bleed Hose / Pipe parts for the 2021 Buick Encore.

Part numbers include GM GENUINE 42869227, GM GENUINE 42869226 and GM GENUINE 12650443, among others listed above.

This table covers the bleeders used to purge air from the coolant circuit. Read more

This group shows a single part: GM GENUINE 95018159.

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

16 Coolant Hose / Pipe parts are listed for the 2021 Buick Encore, from GM GENUINE, ACDELCO, CONTINENTAL and 2 other brands. GM GENUINE 55596898 carries the "Popular" badge.

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

7 Coolant Hose / Pipe Seal parts for the 2021 Buick Encore come from 4 brands — GM GENUINE, ELRING, FEL-PRO and 1 other brand.

Part numbers include ELRING 112770, FEL-PRO 36247 and GM GENUINE 84958003, among others listed above.

This table covers the Coolant Hose Connector flanges. Read more

GM GENUINE supplies the 5 Coolant Hose Connector / Flange parts for the 2021 Buick Encore. GM GENUINE 95128280 carries the "Popular" badge.

Part numbers include GM GENUINE 95128280, GM GENUINE 96958229 and GM GENUINE 95493441, among others listed above.

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

GM GENUINE supplies the 3 Coolant Hose Retainer / Clip parts for the 2021 Buick Encore.

Listed part numbers: GM GENUINE 42732057, GM GENUINE 42755861 and GM GENUINE 95128279.

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: ELRING 112820.

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

13 Coolant Reservoir parts for the 2021 Buick Encore come from 9 brands — TECHPRO, GM GENUINE, GPD and 6 other brands. The "Popular" part is AUTOTECNICA GM0719394.

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

4 Coolant Reservoir Cap parts for the 2021 Buick Encore come from 4 brands — AUTOTECNICA, CALORSTAT, GATES and 1 other brand. 3 parts fit every engine; the other 1 is engine-specific.

Part numbers include AUTOTECNICA GM0714619, CALORSTAT RC0144 and GATES 31569, among others listed above.

This table covers the Cooling Fan control modules. Read more

This group shows a single part: GM GENUINE 42845589.

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

MOTORAD supplies both parts for the 2021 Buick Encore. All of them fit every engine offered in the 2021 Encore.

Part numbers include MOTORAD 3128 and MOTORAD 3127.

This table covers the Hose clamps. Read more

GM GENUINE supplies the 10 Hose Clamp parts for the 2021 Buick Encore. GM GENUINE 13162312 carries the "Popular" badge. 3 parts fit every engine; the other 7 are engine-specific.

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

11 Intercooler parts are listed for the 2021 Buick Encore, from GM GENUINE, TYC, GPD and 2 other brands. GM GENUINE 95406939 carries the "Popular" badge.

Economy: 1 part, from TECHPRO. A representative part number is TECHPRO GM3012127.

The Standard Replacement section: 1 option from GM GENUINE. GM GENUINE 42805212 is listed in this group.

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

This table covers the Intercooler Air Hose pipes. Read more

9 Intercooler Air Hose / Pipe parts are listed for the 2021 Buick Encore, from GM GENUINE and GATES. GM GENUINE 42731155 carries the "Popular" badge.

Listed part numbers: GM GENUINE 42731155, GATES 26578 and GM GENUINE 60008604, plus the other parts above.

This table covers the Intercooler Hose / Pipe clamps. Read more

This group shows a single part: GM GENUINE 42651298.

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

21 Radiator parts are listed for the 2021 Buick Encore, from GM GENUINE, CSF, TYC and 7 other brands. CSF 3956 carries the "Popular" badge.

Economy: 2 parts, from GPD. A representative part number is GPD 13877C.

The Standard Replacement section: 8 options from CSF, GM GENUINE, KOYORAD and 1 other brand. CSF 3956 is listed in this group.

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

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 2021 Buick Encore, from ACDELCO and PROFESSIONAL PARTS SWEDEN. All of them fit every engine offered in the 2021 Encore.

Listed part numbers: ACDELCO 13544913 and PROFESSIONAL PARTS SWEDEN 21342353.

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

2 Radiator Drain Petcock parts for the 2021 Buick Encore come from GM GENUINE.

Part numbers include GM GENUINE 22790134 and GM GENUINE 95018158.

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

15 Radiator Fan Assembly parts for the 2021 Buick Encore come from 8 brands — GM GENUINE, TECHPRO, TYC and 5 other brands. The "Popular" part is DORMAN 621566.

The Economy section: 6 options from TECHPRO, DORMAN, SKP and 1 other brand. DORMAN 621566 is listed in this group.

Standard Replacement: 9 parts, from GM GENUINE, TYC, UAC and 1 other brand. A representative part number is GM GENUINE 60008467.

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

15 Radiator Hose parts for the 2021 Buick Encore come from 3 brands — ACDELCO, GATES and DAYCO. The "Popular" part is ACDELCO 96968500.

This table covers the Radiator insulators. Read more

This group shows a single part: GM GENUINE 13306606.

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

3 Radiator Seal parts for the 2021 Buick Encore come from GM GENUINE.

Listed part numbers: GM GENUINE 42589938, GM GENUINE 95081732 and GM GENUINE 95032259.

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

30 Temperature Sender / Sensor parts are listed for the 2021 Buick Encore, from GM GENUINE, HOLSTEIN, STANDARD MOTOR PRODUCTS and 9 other brands. GM GENUINE 12641073 carries the "Popular" badge. Grades run from Economy through Standard Replacement; Standard Replacement is the most populated section, led by GM GENUINE, WALKER PRODUCTS, WELLS and 6 other brands.

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

One part is listed for the 2021 Buick Encore — 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

17 Thermostat parts for the 2021 Buick Encore come from 10 brands — MOTORAD, DORMAN, SKP and 7 other brands. The "Popular" part is DORMAN 902808.

The Economy section: 6 options from DORMAN, SKP, AUTOTECNICA and 1 other brand. DORMAN 902808 is listed in this group.

Standard Replacement: 9 parts, from FOUR SEASONS, GATES, MOTORAD and 3 other brands. A representative part number is FOUR SEASONS 85993.

2 further parts sit outside the graded sections, with the same engine-level match.

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

18 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2021 Buick Encore, from GM GENUINE, MAHLE / CLEVITE, FEL-PRO and 3 other brands. FEL-PRO 35979 carries the "Popular" badge.