The 1997 Buick Century has 147 cooling system parts with verified fitment on this page — 24 part types and 44 brands, covering the 3.1L V6 engine. Each part includes a manufacturer part number and application notes.
The cooling system system on the 1997 Buick Century 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 Temperature Sender / Sensor (22 parts), Thermostat (19 parts) and Coolant / Antifreeze (16 parts). The other 21 part types cover the remaining 90 parts.
Every part on this page is matched to the 3.1L V6 — the only engine offered in the 1997 Buick Century.
The most listed brands for 1997 Buick Century cooling system parts are MOTORAD (15 parts), GATES (10 parts) and ACDELCO (9 parts), plus 41 more brands. Quality grades include Standard Replacement, Economy and Premium.
32 parts on this 1997 Buick Century page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FVP MV5050GAL (Coolant / Antifreeze) and ACDELCO 14156S (Coolant Hose / Pipe). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3055 | 🇺🇸 US 🇨🇦 CA | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | MV5050GAL | 🇺🇸 US 🇨🇦 CA | Extended LifeAll Makes / All Models | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| PRESTONE | AF3100 | 🇺🇸 US 🇨🇦 CA | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE | 719009 | 🇺🇸 US 🇨🇦 CA | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US 🇨🇦 CA | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇺🇸 US 🇨🇦 CA | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US 🇨🇦 CA | 1 GallonGlobal Lifetime | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US 🇨🇦 CA | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 105027 | 🇺🇸 US 🇨🇦 CA | DEX-Cool Extended LifeDexcool (with DE-Ionized Water) (with Bitterant) 1 Gallon | View on Amazon |
| VALVOLINE Popular | ZXEL1 | 🇺🇸 US 🇨🇦 CA | Dex-Cool Orange1 Gallon | View on Amazon |
| AISIN | ACD005 | 🇺🇸 US 🇨🇦 CA | OrangeOAT | View on Amazon |
| FVP | DEX5050GAL | 🇺🇸 US 🇨🇦 CA | Extended Life Blend1 Gallon | View on Amazon |
| PRESTONE | AF3400 | 🇺🇸 US 🇨🇦 CA | Prime OrangeOrange Compatible | View on Amazon |
| PRESTONE | AF850 | 🇺🇸 US 🇨🇦 CA | DEX-Cool Extended Life1 Gallon | View on Amazon |
| VALVOLINE | 888374 | 🇺🇸 US 🇨🇦 CA | 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.
16 Coolant / Antifreeze parts for the 1997 Buick Century 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 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.
Coolant Air Bleeder
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 902112 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the bleeders used to purge air from the coolant circuit.
One part is listed for the 1997 Buick Century — DORMAN 902112.
Coolant Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 14156S | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| GATES Popular | 19026 | 🇺🇸 US 🇨🇦 CA | Molded19/32" x 6" | View on Amazon |
| CONTINENTAL | 63121 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| DAYCO | 71692 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| GM GENUINE | 10182356 | 🇺🇸 US 🇨🇦 CA | Thermostat To Pipe | View on Amazon |
| GM GENUINE | 12590279 | 🇺🇸 US 🇨🇦 CA | Part of Lower IntakeUse Sealant 19332211 (USA) or 10953488 (Canada) | View on Amazon |
This table covers the hard pipes and extra hoses in the coolant circuit.
6 Coolant Hose / Pipe parts for the 1997 Buick Century come from 5 brands — GM GENUINE, ACDELCO, GATES and 2 other brands. The "Popular" part is ACDELCO 14156S.
Part numbers include ACDELCO 14156S, GATES 19026 and CONTINENTAL 63121, among others listed above.
Coolant Hose / Pipe Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | C31326 | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
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.
One part is listed for the 1997 Buick Century — MAHLE / CLEVITE C31326.
Coolant Level Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2CTS0221 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Popular | 1712532 | 🇺🇸 US 🇨🇦 CA | Engine Coolant Level Sensor | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Popular | 5S1449 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AUTOTECNICA | GM1317731 | 🇺🇸 US 🇨🇦 CA | Module - Mounted on Radiator | View on Amazon |
| NTK | EE0017 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | FLS24 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 5S1449 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: No | View on Amazon |
This table covers the Coolant Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
7 Coolant Level Sensor parts for the 1997 Buick Century come from 7 brands — HOLSTEIN, GPD, ULTRA-POWER and 4 other brands. The "Popular" part is GPD 1712532.
The Economy section: 1 option from HOLSTEIN. HOLSTEIN 2CTS0221 is listed in this group.
Standard Replacement: 1 part, from GPD. A representative part number is GPD 1712532.
5 further parts sit outside the graded sections, with the same engine-level match.
This group includes GPD 1712532, HOLSTEIN 2CTS0221 and ULTRA-POWER 5S1449 and the remaining parts above.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO | GM3014112 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
One part is listed for the 1997 Buick Century — TECHPRO GM3014112.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 54217 | 🇺🇸 US 🇨🇦 CA | 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.
One part is listed for the 1997 Buick Century — DORMAN 54217.
Cooling Fan Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| US MOTOR WORKS | 16789 | 🇺🇸 US 🇨🇦 CA | Better Control | View on Amazon |
| US MOTOR WORKS | 16795 | 🇺🇸 US 🇨🇦 CA | Best Control | View on Amazon |
This table covers the Cooling Fan control modules.
US MOTOR WORKS supplies both parts for the 1997 Buick Century.
Part numbers include US MOTOR WORKS 16789 and US MOTOR WORKS 16795.
Cooling System Tester Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 12A01 | 🇺🇸 US 🇨🇦 CA | ProfessionalIncluded In Tester | View on Amazon |
| GATES | 31413 | 🇺🇸 US 🇨🇦 CA | Cooling System PressureRadiator Cap | View on Amazon |
| MOTORAD | 3003 | 🇺🇸 US 🇨🇦 CA | StandardIncluded In Tester Kit | View on Amazon |
This table covers the adapters used to pressure-test this cooling system.
3 Cooling System Tester Adapter parts for the 1997 Buick Century come from 3 brands — ACDELCO, GATES and MOTORAD.
Listed part numbers: ACDELCO 12A01, GATES 31413 and MOTORAD 3003.
Radiator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KOYORAD Popular | A1889 | 🇺🇸 US 🇨🇦 CA | without Supercharger | View on Amazon |
| TYC Popular | 1889 | 🇺🇸 US 🇨🇦 CA | PRIMARY | View on Amazon |
| AGILITY | 8011889 | 🇺🇸 US 🇨🇦 CA | with 5/8 inch Core Depth | View on Amazon |
| DENSO | 2219007 | 🇺🇸 US 🇨🇦 CA | 5/8 IN Core Depth | View on Amazon |
| FVP | RAD1889 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| OSC | 1889 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SPECTRA PREMIUM | CU1889 | 🇺🇸 US 🇨🇦 CA | 0.625 IN Core Thickness | View on Amazon |
| UAC | RA1889C | 🇺🇸 US 🇨🇦 CA | with 5/8 Core | 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.
8 Radiator parts for the 1997 Buick Century come from 8 brands — KOYORAD, TYC, AGILITY and 5 other brands. The "Popular" part is KOYORAD A1889.
This group includes KOYORAD A1889, TYC 1889 and AGILITY 8011889 and the remaining parts above.
Radiator Cap
Locking Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES | 31516 | 🇺🇸 US 🇨🇦 CA | Safety Release Radiator Cap | View on Amazon |
| MOTORAD | ST16V | 🇺🇸 US 🇨🇦 CA | Safety Lever | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | RC27 | 🇺🇸 US 🇨🇦 CA | GM Original Equipmentwith Handle, with Turning Ears | View on Amazon |
| GATES Popular | 31523 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| CALORSTAT | RC0061 | 🇺🇸 US 🇨🇦 CA | Includes 2 sealsMetallic | View on Amazon |
| MOTORAD | T16V | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| SKP | SK10231 | 🇺🇸 US 🇨🇦 CA | Pressure Rating 16 psi | 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.
7 Radiator Cap parts for the 1997 Buick Century come from 5 brands — GATES, MOTORAD, ACDELCO and 2 other brands. The "Popular" part is ACDELCO RC27.
In the Locking Replacement grade, GATES and MOTORAD supply 2 parts: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is GATES 31516.
Standard Replacement: 5 parts, from ACDELCO, GATES, CALORSTAT and 2 other brands. A representative part number is ACDELCO RC27.
Part numbers include ACDELCO RC27, GATES 31516 and MOTORAD ST16V, among others listed above.
Radiator Drain Petcock
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 61133 | 🇺🇸 US 🇨🇦 CA | Push-in twist lock | View on Amazon |
| GM GENUINE | 88927326 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the petcocks used to drain the radiator.
2 Radiator Drain Petcock parts are listed for the 1997 Buick Century, from DORMAN and GM GENUINE.
This group includes DORMAN 61133 and GM GENUINE 88927326.
Radiator Fan Assembly
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 620601 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
| ULTRA-POWER Popular | 620601 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
| ULTRA-POWER | 620604 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AGILITY | 6031104 | 🇺🇸 US 🇨🇦 CA | Fan AssemblyWithout Shroud | View on Amazon |
| FOUR SEASONS | 75551 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
| VDO / CONTINENTAL | FA70487 | 🇺🇸 US 🇨🇦 CA | Passenger Side | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
6 Radiator Fan Assembly parts are listed for the 1997 Buick Century, from ULTRA-POWER, DORMAN, AGILITY and 2 other brands. DORMAN 620601 carries the "Popular" badge.
Economy: 3 parts, from ULTRA-POWER and DORMAN. A representative part number is DORMAN 620601.
The Standard Replacement section: 3 options from AGILITY, FOUR SEASONS and VDO / CONTINENTAL. AGILITY 6031104 is listed in this group.
Part numbers include DORMAN 620601 and ULTRA-POWER 620604, among others listed above.
Radiator Fan Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TYC Popular | 630070 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
| GPD | 2311415 | 🇺🇸 US 🇨🇦 CA | RH | View on Amazon |
| VDO / CONTINENTAL | PM540 | 🇺🇸 US 🇨🇦 CA | Mounting Method: Flange MountedRotation: Clockwise (Right) | View on Amazon |
| VDO / CONTINENTAL | PM538 | 🇺🇸 US 🇨🇦 CA | Motor Diameter: 3.250 In | View on Amazon |
| VDO / CONTINENTAL | PM544 | 🇺🇸 US 🇨🇦 CA | Driver Side | View on Amazon |
This table covers the Radiator Fan motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
5 Radiator Fan Motor parts for the 1997 Buick Century come from 3 brands — VDO / CONTINENTAL, TYC and GPD. The "Popular" part is TYC 630070.
Part numbers include TYC 630070, GPD 2311415 and VDO / CONTINENTAL PM540, among others listed above.
Radiator Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Popular | 71850 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| GATES Popular | 22344 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| ACDELCO | 24377L | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| ACDELCO | 22584M | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| ACDELCO | 26346X | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| CONTINENTAL | 62549 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| CONTINENTAL | 62088 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| DAYCO | 71586 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| GATES | 23228 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| GATES | 22345 | 🇺🇸 US 🇨🇦 CA | Molded | 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.
10 Radiator Hose parts are listed for the 1997 Buick Century, from GATES, ACDELCO, DAYCO and 1 other brand. DAYCO 71850 carries the "Popular" badge.
Radiator Upper Air Baffle Retainer / Clip
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 45814 | 🇺🇸 US 🇨🇦 CA | UpperRadiator Seal | View on Amazon |
This table covers the Radiator Upper Air Baffle retainers and clips.
One part is listed for the 1997 Buick Century — DORMAN 45814.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NTK Popular | EF0008 | 🇺🇸 US 🇨🇦 CA | Sensor OnlyOval Connector | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | TX3T | 🇺🇸 US 🇨🇦 CA | T-SeriesRound Connector | View on Amazon |
| GPD | 1711697 | 🇺🇸 US 🇨🇦 CA | with Oval Connectorwith 2 Terminal(s) | View on Amazon |
| HOLSTEIN | 2CTS0002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP | SKTX3 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | TX66T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| ULTRA-POWER | 5S1018 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| UNITED MOTOR PRODUCTS | CTS3 | 🇺🇸 US 🇨🇦 CA | Sender | View on Amazon |
Full Service Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS | 21191039 | 🇺🇸 US 🇨🇦 CA | Full Service KitConnector Shape: Circle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 1551107 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| NTK Popular | EF0074 | 🇺🇸 US 🇨🇦 CA | with Mating Connector | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | TX3 | 🇺🇸 US 🇨🇦 CA | Round Connector | View on Amazon |
| BECK/ARNLEY | 1580743 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DELPHI | TS10032 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FOUR SEASONS | 36403 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE | 213815 | 🇺🇸 US 🇨🇦 CA | 3 blade terminalwith Indicator Switch | View on Amazon |
| ROSTRA | 680014 | 🇺🇸 US 🇨🇦 CA | Sender | View on Amazon |
| STANDARD MOTOR PRODUCTS | TX66 | 🇺🇸 US 🇨🇦 CA | with 3 Blade Terminals | View on Amazon |
| WALKER PRODUCTS | 2111039 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS | 5S1018 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Oval | View on Amazon |
| WELLS | 1T1043 | 🇺🇸 US 🇨🇦 CA | with 3 Blade Terminalswith Gauge | View on Amazon |
| WELLS | 5S1474 | 🇺🇸 US 🇨🇦 CA | with Mating Connector | 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.
22 Temperature Sender / Sensor parts for the 1997 Buick Century come from 15 brands — STANDARD MOTOR PRODUCTS, WELLS, NTK and 12 other brands. The "Popular" part is NTK EF0008.
The Economy section: 8 options from STANDARD MOTOR PRODUCTS, NTK, GPD and 4 other brands. NTK EF0008 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 21191039 is listed in this group.
Standard Replacement: 13 parts, from WELLS, STANDARD MOTOR PRODUCTS, ACDELCO and 7 other brands. A representative part number is ACDELCO 1551107.
Thermostat
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | 5267195 | 🇺🇸 US 🇨🇦 CA | Ultra StatIncludes seal | View on Amazon |
| MOTORAD | 5166KTUS | 🇺🇸 US 🇨🇦 CA | Includes housing, Ultra Stat thermostat and sealKit | View on Amazon |
Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | 2067180 | 🇺🇸 US 🇨🇦 CA | High FlowIncludes seal | View on Amazon |
| MOTORAD | 2067195 | 🇺🇸 US 🇨🇦 CA | High FlowIncludes seal | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | 7267195 | 🇺🇸 US 🇨🇦 CA | Fail-SafeIncludes seal | View on Amazon |
| MOTORAD | 7267180 | 🇺🇸 US 🇨🇦 CA | Fail-SafeIncludes seal | View on Amazon |
| MOTORAD | 5166KTFS | 🇺🇸 US 🇨🇦 CA | Fail-SafeIncludes Housing, and Seal | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular | 33329 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| MOTORAD Popular | 267180 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| MOTORAD Popular | 267195 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| MOTORAD Popular | 267160 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| AISIN | THRGM0004 | 🇺🇸 US 🇨🇦 CA | Includes Thermostat Seal | View on Amazon |
| CALORSTAT | TH647091J | 🇺🇸 US 🇨🇦 CA | Includes 1 Rubber Gasket | View on Amazon |
| CALORSTAT | TH647071J | 🇺🇸 US 🇨🇦 CA | PerformanceIncludes 1 Rubber Gasket | View on Amazon |
| CALORSTAT | TH647091 | 🇺🇸 US 🇨🇦 CA | with by-pass valveHeight: 2.12 In | View on Amazon |
| GM GENUINE | 131204 | 🇺🇸 US 🇨🇦 CA | 195 Degree, with Seal | View on Amazon |
| GM GENUINE | 131124 | 🇺🇸 US 🇨🇦 CA | OE Temperature | View on Amazon |
| MAHLE / CLEVITE | TX34590D | 🇺🇸 US 🇨🇦 CA | Includes Gasket or Seal | View on Amazon |
| MOTORAD | 5166KT | 🇺🇸 US 🇨🇦 CA | Includes Housing, Thermostat and SealKit | 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.
19 Thermostat parts are listed for the 1997 Buick Century, from MOTORAD, CALORSTAT, GM GENUINE and 3 other brands. GATES 33329 carries the "Popular" badge.
The Heavy Duty section lists 2 options from MOTORAD — rated for severe service. MOTORAD 5267195 is listed in this group.
In the Performance grade, MOTORAD supplies 2 parts: engineered beyond original-equipment specification. A representative part number is MOTORAD 2067180.
The Premium section: 3 options from MOTORAD. MOTORAD 7267195 is listed in this group.
The Standard Replacement section: 12 options from MOTORAD, CALORSTAT, GM GENUINE and 3 other brands. GATES 33329 is listed in this group.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular | 35614 | 🇺🇸 US 🇨🇦 CA | Water Outlet Seal | View on Amazon |
| GATES Popular | 33611 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal - 1 23/32" x 1 59/64" x 1/8" (Grooved, Chamfered I.D.) | View on Amazon |
| APEX | AWO2041 | 🇺🇸 US 🇨🇦 CA | O-RingWater Outlet Seal | View on Amazon |
| GM GENUINE | 10226107 | 🇺🇸 US 🇨🇦 CA | with Lip, 46.80MM ODThermostat Seal | View on Amazon |
| MAHLE / CLEVITE | C31156 | 🇺🇸 US 🇨🇦 CA | Molded Rubber | View on Amazon |
| MAHLE / CLEVITE | C31301 | 🇺🇸 US 🇨🇦 CA | Molded Rubber | View on Amazon |
| VICTOR REINZ | 711355100 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
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.
7 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 1997 Buick Century come from 6 brands — MAHLE / CLEVITE, FEL-PRO, GATES and 3 other brands. The "Popular" part is FEL-PRO 35614.
This group includes FEL-PRO 35614, GATES 33611 and APEX AWO2041 and the remaining parts above.
Thermostat Housing / Water Outlet
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 9022004 | 🇺🇸 US 🇨🇦 CA | Thermostat Housing | View on Amazon |
| FAMOUS BRAND | 85166 | 🇺🇸 US 🇨🇦 CA | Water Outlet HousingOutlet | View on Amazon |
| GPD | 8241408 | 🇺🇸 US 🇨🇦 CA | Water Outlet | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Popular | CH5166 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| FOUR SEASONS | 85166 | 🇺🇸 US 🇨🇦 CA | Aluminum | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
5 Thermostat Housing / Water Outlet parts are listed for the 1997 Buick Century, from DORMAN, FAMOUS BRAND, GPD and 2 other brands. MOTORAD CH5166 carries the "Popular" badge.
Economy: 3 parts, from DORMAN, FAMOUS BRAND and GPD. A representative part number is DORMAN 9022004.
The Standard Replacement section: 2 options from MOTORAD and FOUR SEASONS. MOTORAD CH5166 is listed in this group.
Listed part numbers: MOTORAD CH5166, DORMAN 9022004 and FAMOUS BRAND 85166, plus the other parts above.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | US5033 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP | SK1301480 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| US MOTOR WORKS | US5033 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WJB / INMOTION PARTS | WU5033 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 252721 | 🇺🇸 US 🇨🇦 CA | GoldDoes Not Include Mount Bolts | View on Amazon |
| GATES Popular | 41020 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AISIN | WPGM613V | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DAYCO | DP960 | 🇺🇸 US 🇨🇦 CA | Serpentine Belt Driven | View on Amazon |
| GM GENUINE | 251671 | 🇺🇸 US 🇨🇦 CA | with Gasket | View on Amazon |
| GMB | 1301480 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
10 Water Pump parts are listed for the 1997 Buick Century, from FVP, SKP, US MOTOR WORKS and 7 other brands. ACDELCO 252721 carries the "Popular" badge.
Economy: 4 parts, from FVP, SKP, US MOTOR WORKS and 1 other brand. A representative part number is FVP US5033.
The Standard Replacement section: 6 options from ACDELCO, GATES, AISIN and 3 other brands. ACDELCO 252721 is listed in this group.
Water Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular | 35403 | 🇺🇸 US 🇨🇦 CA | To Block | View on Amazon |
| APEX | AWP3010 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE | 2512018 | 🇺🇸 US 🇨🇦 CA | (OEM Design) | View on Amazon |
| MAHLE / CLEVITE | K30946 | 🇺🇸 US 🇨🇦 CA | Paper | View on Amazon |
| VICTOR REINZ | 711467600 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
5 Water Pump Gasket parts for the 1997 Buick Century come from 5 brands — FEL-PRO, APEX, GM GENUINE and 2 other brands. The "Popular" part is FEL-PRO 35403.
Part numbers include FEL-PRO 35403, APEX AWP3010 and GM GENUINE 2512018, among others listed above.
Water Pump Pulley
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 300933 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
This group shows a single part: DORMAN 300933.
Water Pump Stud Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 902806 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Water Pump Stud kits.
One part is listed for the 1997 Buick Century — DORMAN 902806.
Buying Cooling System Parts for a 1997 Buick Century
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 3.1L V6 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: Temperature Sender / Sensor and Thermostat .
Frequently Asked Questions
How many cooling system parts fit the 1997 Buick Century?
Our catalog currently lists 147 cooling system parts for the 1997 Buick Century across 24 subcategories and 44 brands, covering the 3.1L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 1997 Buick Century?
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 1997 Buick Century 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 1997 Buick Century?
Every part on this page is matched to the 3.1L V6 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 1997 Buick Century
Cooling System Parts for Other Buick Century Years
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