1997 Buick Regal Cooling System Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

This page lists 154 cooling system parts for the 1997 Buick Regal, across 24 part types, covering both the 3.8L V6 and the 3.8L V6 Supercharged. Every part shows its brand, manufacturer part number and fitment notes.

The cooling system system on the 1997 Buick Regal 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 (16 parts), Radiator (15 parts) and Thermostat / Thermostat Housing / Water Outlet Seal (15 parts). The other 21 part types cover the remaining 108 parts.

Coolant / Antifreeze

Compatible With All Colors

Brand Part Number Markets Notes Buy
PRESTONE Fits: all 1997 Regal engines AF3055
🇺🇸 US 🇨🇦 CA
Prime YellowAll Vehicles
Fitment notes — PRESTONE AF3055
Prime YellowAll VehiclesExtended Life55 GAL DrumConcentratePrime® Extended Life All Makes All Models
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Economy

Brand Part Number Markets Notes Buy
FVP Popular Fits: all 1997 Regal engines MV5050GAL
🇺🇸 US 🇨🇦 CA
Extended LifeAll Makes / All Models
Fitment notes — FVP MV5050GAL
Extended LifeAll Makes / All Models1 Gallon
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PEAK Fits: all 1997 Regal engines BQA1GAL
🇺🇸 US 🇨🇦 CA
Blue Mountain Long LifeAll Vehicle
Fitment notes — PEAK BQA1GAL
Blue Mountain Long LifeAll Vehicle1 Gallon
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PRESTONE Fits: all 1997 Regal engines AF3100
🇺🇸 US 🇨🇦 CA
Prime Yellow - All VehiclesExtended Life
Fitment notes — PRESTONE AF3100
Prime Yellow - All VehiclesExtended Life1 Gallon
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VALVOLINE Fits: all 1997 Regal engines 719009
🇺🇸 US 🇨🇦 CA
Multi-Vehicle Yellow1 Gallon
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Premium

Brand Part Number Markets Notes Buy
PRESTONE Popular Fits: all 1997 Regal engines AF2100
🇺🇸 US 🇨🇦 CA
All Vehicles10yr/300k mi
Fitment notes — PRESTONE AF2100
All Vehicles10yr/300k mi1 GallonExtended Life
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PEAK Fits: all 1997 Regal engines PKP1GAL
🇺🇸 US 🇨🇦 CA
All Vehicles Antifreeze1 Gallon
Fitment notes — PEAK PKP1GAL
All Vehicles Antifreeze1 GallonPREMIUM1 GALLON10X MORE SCALE FIGHTING INHIBITORS10 YEAR/300K MILES
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PEAK Fits: all 1997 Regal engines PXA1GAL
🇺🇸 US 🇨🇦 CA
1 GallonGlobal Lifetime
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PRESTONE Fits: all 1997 Regal engines AFMAX
🇺🇸 US 🇨🇦 CA
Max Universal1 Gallon
Fitment notes — PRESTONE AFMAX
Max Universal1 Gallon15 Year/350k Miles
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Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: all 1997 Regal engines 105027
🇺🇸 US 🇨🇦 CA
DEX-Cool Extended LifeDexcool (with DE-Ionized Water) (with Bitterant) 1 Gallon
Fitment notes — ACDELCO 105027
DEX-Cool Extended LifeDexcool (with DE-Ionized Water) (with Bitterant) 1 GallonPremix1 Gallon GM Original EquipmentOrange
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VALVOLINE Popular Fits: all 1997 Regal engines ZXEL1
🇺🇸 US 🇨🇦 CA
Dex-Cool Orange1 Gallon
Fitment notes — VALVOLINE ZXEL1
Dex-Cool Orange1 GallonOAT
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AISIN Fits: all 1997 Regal engines ACD005
🇺🇸 US 🇨🇦 CA
OrangeOAT
Fitment notes — AISIN ACD005
OrangeOAT
(Type: Prediluted)
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FVP Fits: all 1997 Regal engines DEX5050GAL
🇺🇸 US 🇨🇦 CA
Extended Life Blend1 Gallon
Fitment notes — FVP DEX5050GAL
Extended Life Blend1 GallonOrangeOAT
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PRESTONE Fits: all 1997 Regal engines AF3400
🇺🇸 US 🇨🇦 CA
Prime OrangeOrange Compatible
Fitment notes — PRESTONE AF3400
Prime OrangeOrange CompatibleExtended Life1 Gallon ConcentrateOAT
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PRESTONE Fits: all 1997 Regal engines AF850
🇺🇸 US 🇨🇦 CA
DEX-Cool Extended Life1 Gallon
Fitment notes — PRESTONE AF850
DEX-Cool Extended Life1 GallonOrangeOAT
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VALVOLINE Fits: all 1997 Regal engines 888374
🇺🇸 US 🇨🇦 CA
American Vehicle Orange1 Gallon
Fitment notes — VALVOLINE 888374
American Vehicle Orange1 Gallon
(Type: Prediluted)
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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.

Coolant Air Bleeder

Brand Part Number Markets Notes Buy
DORMAN Fits: all 1997 Regal engines 902112
🇺🇸 US 🇨🇦 CA
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This table covers the bleeders used to purge air from the coolant circuit.

Coolant Hose / Pipe

Brand Part Number Markets Notes Buy
CONTINENTAL Fits: all 1997 Regal engines 63043
🇺🇸 US 🇨🇦 CA
Molded
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GM GENUINE Fits: all 1997 Regal engines 24503423
🇺🇸 US 🇨🇦 CA
to lower intake manifold.Thermostat Bypass
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This table covers the hard pipes and extra hoses in the coolant circuit.

Coolant Hose / Pipe Seal

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: all 1997 Regal engines 1534066
🇺🇸 US 🇨🇦 CA
0.674" Diameter
Fitment notes — GM GENUINE 1534066
0.674" Diameter
Teflon Coated0.674 I.D.Thermostat Bypass Pipe Seal
Fits:
Teflon Coated0.674 I.D.Bypass Lin
or:
Teflon Coated0.674 I.D.Thermostat Bypass Pipe Seal
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FEL-PRO Fits: all 1997 Regal engines 36021
🇺🇸 US 🇨🇦 CA
Water Bypass Seal
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GM GENUINE Fits: all 1997 Regal engines 24502846
🇺🇸 US 🇨🇦 CA
Elbow to Front CoverThermostat Bypass Pipe Seal
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GM GENUINE Fits: 3.8L V6 Supercharged 24501563
🇺🇸 US 🇨🇦 CA
Fits OutletThrottle Body Heater Hos
Fitment notes — GM GENUINE 24501563
Fits:
OutletThrottle Body Heater Hos
or:
InletThrottle Body Heater Hose
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MAHLE / CLEVITE Fits: all 1997 Regal engines C31274
🇺🇸 US 🇨🇦 CA
Paper
Fitment notes — MAHLE / CLEVITE C31274
Paper
Water Bypass Seal
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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.

Coolant Hose Connector / Flange

Brand Part Number Markets Notes Buy
FOUR SEASONS Fits: all 1997 Regal engines 86500
🇺🇸 US 🇨🇦 CA
Coolant Coupling
Fitment notes — FOUR SEASONS 86500
Coolant Coupling
Coolant Coupling
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This table covers the Coolant Hose Connector flanges.

Coolant Level Sensor

Economy

Brand Part Number Markets Notes Buy
HOLSTEIN Fits: all 1997 Regal engines 2CTS0221
🇺🇸 US 🇨🇦 CA
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Standard Replacement

Brand Part Number Markets Notes Buy
GPD Popular Fits: all 1997 Regal engines 1712532
🇺🇸 US 🇨🇦 CA
Engine Coolant Level Sensor
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Brand Part Number Markets Notes Buy
ULTRA-POWER Popular Fits: all 1997 Regal engines 5S1449
🇺🇸 US 🇨🇦 CA
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AUTOTECNICA Fits: all 1997 Regal engines GM1317731
🇺🇸 US 🇨🇦 CA
Module - Mounted on Radiator
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NTK Fits: all 1997 Regal engines EE0017
🇺🇸 US 🇨🇦 CA
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STANDARD MOTOR PRODUCTS Fits: all 1997 Regal engines FLS24
🇺🇸 US 🇨🇦 CA
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WELLS Fits: all 1997 Regal engines 5S1449
🇺🇸 US 🇨🇦 CA
Mounting Hardware Included: No
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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.

Coolant Reservoir

Brand Part Number Markets Notes Buy
TECHPRO Fits: all 1997 Regal engines GM3014112
🇺🇸 US 🇨🇦 CA
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This table covers the overflow / expansion tanks that hold extra coolant.

Coolant Reservoir Cap

Brand Part Number Markets Notes Buy
DORMAN Fits: all 1997 Regal engines 54217
🇺🇸 US 🇨🇦 CA
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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.

Cooling Fan Control Module

Brand Part Number Markets Notes Buy
US MOTOR WORKS Fits: all 1997 Regal engines 16749
🇺🇸 US 🇨🇦 CA
Econo Control
Fitment notes — US MOTOR WORKS 16749
Econo Control
Requires 16763 Single Relay Harness
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US MOTOR WORKS Fits: all 1997 Regal engines 16789
🇺🇸 US 🇨🇦 CA
Better Control
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US MOTOR WORKS Fits: all 1997 Regal engines 16795
🇺🇸 US 🇨🇦 CA
Best Control
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This table covers the Cooling Fan control modules.

Cooling System Tester Adapter

Brand Part Number Markets Notes Buy
ACDELCO Fits: all 1997 Regal engines 12A01
🇺🇸 US 🇨🇦 CA
ProfessionalIncluded In Tester
Fitment notes — ACDELCO 12A01
ProfessionalIncluded In Tester
Cooling System PressureRadiator Cap Adapter
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GATES Fits: all 1997 Regal engines 31413
🇺🇸 US 🇨🇦 CA
Cooling System PressureRadiator Cap
Fitment notes — GATES 31413
Cooling System PressureRadiator CapSystem Adapter on Tester
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MOTORAD Fits: all 1997 Regal engines 3003
🇺🇸 US 🇨🇦 CA
StandardIncluded In Tester Kit
Fitment notes — MOTORAD 3003
StandardIncluded In Tester KitRadiator Cap Adapter
Cooling System PressureRadiator Cap Adapter
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This table covers the adapters used to pressure-test this cooling system.

Radiator

Economy

Brand Part Number Markets Notes Buy
GPD Fits: all 1997 Regal engines 1890C
🇺🇸 US 🇨🇦 CA
1" Core Thickness
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GPD Fits: 3.8L V6 Supercharged 1889C
🇺🇸 US 🇨🇦 CA
5/8" Core Thickness
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Standard Replacement

Brand Part Number Markets Notes Buy
KOYORAD Popular Fits: all 1997 Regal engines A1889
🇺🇸 US 🇨🇦 CA
without Supercharger
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SPECTRA PREMIUM Popular Fits: 3.8L V6 Supercharged CU1890
🇺🇸 US 🇨🇦 CA
1In Core Thickness
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TYC Popular Fits: 3.8L V6 1889
🇺🇸 US 🇨🇦 CA
PRIMARY
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AGILITY Fits: all 1997 Regal engines 8011889
🇺🇸 US 🇨🇦 CA
with 5/8 inch Core Depth
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AGILITY Fits: 3.8L V6 Supercharged 8011890
🇺🇸 US 🇨🇦 CA
with 1 inch Core Depth
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DENSO Fits: 3.8L V6 2219007
🇺🇸 US 🇨🇦 CA
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FVP Fits: 3.8L V6 RAD1889
🇺🇸 US 🇨🇦 CA
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FVP Fits: 3.8L V6 Supercharged RAD1890
🇺🇸 US 🇨🇦 CA
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OSC Fits: 3.8L V6 1889
🇺🇸 US 🇨🇦 CA
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OSC Fits: 3.8L V6 Supercharged 1890
🇺🇸 US 🇨🇦 CA
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SPECTRA PREMIUM Fits: 3.8L V6 CU1889
🇺🇸 US 🇨🇦 CA
0.625 IN Core Thickness
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UAC Fits: all 1997 Regal engines RA1889C
🇺🇸 US 🇨🇦 CA
with 5/8 Core
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UAC Fits: all 1997 Regal engines RA1888C
🇺🇸 US 🇨🇦 CA
with 1 Core
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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.

Radiator Cap

Locking Replacement

Brand Part Number Markets Notes Buy
CALORSTAT Fits: all 1997 Regal engines RC0214
🇺🇸 US 🇨🇦 CA
PerformanceIncludes 2 seals
Fitment notes — CALORSTAT RC0214
PerformanceIncludes 2 sealsLever OpeningMetallic
with A 59 mm (2.32") DiameterPSI - 20.0without Coolant Recovery System
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CALORSTAT Fits: all 1997 Regal engines RC0217
🇺🇸 US 🇨🇦 CA
PerformanceIncludes 2 seals
Fitment notes — CALORSTAT RC0217
PerformanceIncludes 2 sealsLever OpeningMetallic
PSI - 20.0with Coolant Recovery System
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GATES Fits: all 1997 Regal engines 31516
🇺🇸 US 🇨🇦 CA
Safety Release Radiator Cap
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MOTORAD Fits: all 1997 Regal engines ST16V
🇺🇸 US 🇨🇦 CA
Safety Lever
Fitment notes — MOTORAD ST16V
Safety Lever
Relief Pressure 16 lbs
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Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: all 1997 Regal engines RC27
🇺🇸 US 🇨🇦 CA
GM Original Equipmentwith Handle, with Turning Ears
Fitment notes — ACDELCO RC27
GM Original Equipmentwith Handle, with Turning EarsCould be plastic or metal construction
without DEX-Cool LABEL15 LBSMetalBlack
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GATES Popular Fits: all 1997 Regal engines 31523
🇺🇸 US 🇨🇦 CA
OE Type
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CALORSTAT Fits: all 1997 Regal engines RC0061
🇺🇸 US 🇨🇦 CA
Includes 2 sealsMetallic
Fitment notes — CALORSTAT RC0061
Includes 2 sealsMetallic
PSI - 15.0
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MOTORAD Fits: all 1997 Regal engines T16V
🇺🇸 US 🇨🇦 CA
Standard
Fitment notes — MOTORAD T16V
Standard
Relief Pressure 16 lbs
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SKP Fits: all 1997 Regal engines SK10231
🇺🇸 US 🇨🇦 CA
Pressure Rating 16 psi
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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.

Radiator Drain Petcock

Brand Part Number Markets Notes Buy
DORMAN Fits: all 1997 Regal engines 61133
🇺🇸 US 🇨🇦 CA
Push-in twist lock
Fitment notes — DORMAN 61133
Push-in twist lock
Push-In Twist Lock
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GM GENUINE Fits: all 1997 Regal engines 88927326
🇺🇸 US 🇨🇦 CA
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This table covers the petcocks used to drain the radiator.

Radiator Fan Assembly

Economy

Brand Part Number Markets Notes Buy
GPD Fits: all 1997 Regal engines 2811270
🇺🇸 US 🇨🇦 CA
LeftRadiator Side
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TECHPRO Fits: all 1997 Regal engines GM3115118
🇺🇸 US 🇨🇦 CA
Left
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TECHPRO Fits: all 1997 Regal engines GM3115164
🇺🇸 US 🇨🇦 CA
Rightfan/motor/bracket
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Standard Replacement

Brand Part Number Markets Notes Buy
AGILITY Popular Fits: all 1997 Regal engines 6031104
🇺🇸 US 🇨🇦 CA
Fan AssemblyWithout Shroud
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VDO / CONTINENTAL Popular Fits: all 1997 Regal engines FA70487
🇺🇸 US 🇨🇦 CA
Passenger Side
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UAC Fits: all 1997 Regal engines FA50092C
🇺🇸 US 🇨🇦 CA
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UAC Fits: all 1997 Regal engines FA50517C
🇺🇸 US 🇨🇦 CA
Radiator-Condenser Fan Assembly
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VDO / CONTINENTAL Fits: all 1997 Regal engines FA70608
🇺🇸 US 🇨🇦 CA
Blade & Motor
Fitment notes — VDO / CONTINENTAL FA70608
Blade & Motor
Passenger Side
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This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.

Radiator Fan Motor

Brand Part Number Markets Notes Buy
TYC Popular Fits: all 1997 Regal engines 630070
🇺🇸 US 🇨🇦 CA
Right
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FOUR SEASONS Fits: all 1997 Regal engines 35102
🇺🇸 US 🇨🇦 CA
Right
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GPD Fits: all 1997 Regal engines 2312105
🇺🇸 US 🇨🇦 CA
RH
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VDO / CONTINENTAL Fits: all 1997 Regal engines PM545
🇺🇸 US 🇨🇦 CA
Driver Side
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VDO / CONTINENTAL Fits: all 1997 Regal engines PM9075
🇺🇸 US 🇨🇦 CA
Passenger Side
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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.

Radiator Hose

Brand Part Number Markets Notes Buy
GATES Popular Fits: all 1997 Regal engines 22344
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — GATES 22344
Molded
Upper
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GATES Popular Fits: all 1997 Regal engines 22373
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — GATES 22373
Molded
Lower
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ACDELCO Fits: all 1997 Regal engines 26346X
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
Fitment notes — ACDELCO 26346X
Professional / GoldMolded
Upper
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ACDELCO Fits: all 1997 Regal engines 26354X
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
Fitment notes — ACDELCO 26354X
Professional / GoldMolded
Lower
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CONTINENTAL Fits: all 1997 Regal engines 62483
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 62483
Molded
LowerPrimary # 1
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CONTINENTAL Fits: all 1997 Regal engines 62088
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 62088
Molded
Upper
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DAYCO Fits: all 1997 Regal engines 71700
🇺🇸 US 🇨🇦 CA
Curved
Fitment notes — DAYCO 71700
Curved
Lower
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DAYCO Fits: all 1997 Regal engines 71850
🇺🇸 US 🇨🇦 CA
Curved
Fitment notes — DAYCO 71850
Curved
Upper
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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.

Radiator Upper Air Baffle Retainer / Clip

Brand Part Number Markets Notes Buy
DORMAN Fits: all 1997 Regal engines 45814
🇺🇸 US 🇨🇦 CA
UpperRadiator Seal
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This table covers the Radiator Upper Air Baffle retainers and clips.

Shroud Trim Retainer / Clip

Brand Part Number Markets Notes Buy
DORMAN Fits: all 1997 Regal engines 961364
🇺🇸 US 🇨🇦 CA
Air Box Clip
Fitment notes — DORMAN 961364
Air Box Clip
Heat shield
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This table covers the Shroud Trim retainers and clips.

Temperature Sender / Sensor

Economy

Brand Part Number Markets Notes Buy
UNITED MOTOR PRODUCTS Popular Fits: all 1997 Regal engines CTS3
🇺🇸 US 🇨🇦 CA
Sender
Fitment notes — UNITED MOTOR PRODUCTS CTS3
Sender
with 2 Pin Terminals
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HOLSTEIN Fits: all 1997 Regal engines 2CTS0002
🇺🇸 US 🇨🇦 CA
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STANDARD MOTOR PRODUCTS Fits: all 1997 Regal engines TX66T
🇺🇸 US 🇨🇦 CA
T-Series
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UNITED MOTOR PRODUCTS Fits: all 1997 Regal engines CTS43
🇺🇸 US 🇨🇦 CA
with 3 Pin Terminals
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Full Service Kit

Brand Part Number Markets Notes Buy
WALKER PRODUCTS Fits: all 1997 Regal engines 21191039
🇺🇸 US 🇨🇦 CA
Full Service KitConnector Shape: Circle
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Standard Replacement

Brand Part Number Markets Notes Buy
FOUR SEASONS Popular Fits: all 1997 Regal engines 36445
🇺🇸 US 🇨🇦 CA
Round Connector
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GM GENUINE Popular Fits: all 1997 Regal engines 213815
🇺🇸 US 🇨🇦 CA
3 blade terminalwith Indicator Switch
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BECK/ARNLEY Fits: all 1997 Regal engines 1580743
🇺🇸 US 🇨🇦 CA
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DELPHI Fits: all 1997 Regal engines TS10032
🇺🇸 US 🇨🇦 CA
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NTK Fits: all 1997 Regal engines EF0004
🇺🇸 US 🇨🇦 CA
Sensor Only
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ROSTRA Fits: all 1997 Regal engines 680014
🇺🇸 US 🇨🇦 CA
Sender
Fitment notes — ROSTRA 680014
Sender
with gaugewith 3 blade terminals
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STANDARD MOTOR PRODUCTS Fits: all 1997 Regal engines TX66
🇺🇸 US 🇨🇦 CA
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WALKER PRODUCTS Fits: all 1997 Regal engines 2111039
🇺🇸 US 🇨🇦 CA
Sensor Only
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WELLS Fits: all 1997 Regal engines 1T1043
🇺🇸 US 🇨🇦 CA
with 3 Blade Terminalswith Gauge
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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.

Thermostat

Heavy Duty

Brand Part Number Markets Notes Buy
MOTORAD Popular Fits: all 1997 Regal engines 5239192
🇺🇸 US 🇨🇦 CA
Ultra Stat
Fitment notes — MOTORAD 5239192
Ultra Stat
192 Degrees FOE Specified Temperature
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MOTORAD Fits: all 1997 Regal engines 5167KTUS
🇺🇸 US 🇨🇦 CA
Includes housing, Ultra Stat thermostat and sealKit
Fitment notes — MOTORAD 5167KTUS
Includes housing, Ultra Stat thermostat and sealKitUltra Stat
192 Degrees FOE Specified Temperature
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Premium

Brand Part Number Markets Notes Buy
MOTORAD Fits: all 1997 Regal engines 7239192
🇺🇸 US 🇨🇦 CA
Fail-Safe
Fitment notes — MOTORAD 7239192
Fail-Safe
192 Degrees FOE Specified Temperature
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MOTORAD Fits: all 1997 Regal engines 7239180
🇺🇸 US 🇨🇦 CA
Fail-Safe
Fitment notes — MOTORAD 7239180
Fail-Safe
180 Degrees FAlternate Temperature Option
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MOTORAD Fits: all 1997 Regal engines 5167KTFS
🇺🇸 US 🇨🇦 CA
Fail-SafeIncludes Housing, Gasket and Seal
Fitment notes — MOTORAD 5167KTFS
Fail-SafeIncludes Housing, Gasket and SealKit
192 Degrees FOE Specified Temperature
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Standard Replacement

Brand Part Number Markets Notes Buy
GATES Popular Fits: all 1997 Regal engines 33429
🇺🇸 US 🇨🇦 CA
OE Type
Fitment notes — GATES 33429
OE Type
195 DegreeOE Temperature
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GM GENUINE Popular Fits: all 1997 Regal engines 131115
🇺🇸 US 🇨🇦 CA
Includes GasketOE Temperature
Fitment notes — GM GENUINE 131115
Includes GasketOE Temperature
with Gasket195 Degree
with GasketLow Leak195 Degree
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AISIN Fits: all 1997 Regal engines THRGM0006
🇺🇸 US 🇨🇦 CA
Includes Thermostat Seal
Fitment notes — AISIN THRGM0006
Includes Thermostat Seal
91°
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CALORSTAT Fits: all 1997 Regal engines TH332882
🇺🇸 US 🇨🇦 CA
PerformanceDoes Not Include Seal
Fitment notes — CALORSTAT TH332882
PerformanceDoes Not Include Seal
180.0 F Degreeswith Narrower Main ValveOff-Set Valve Seat
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MOTORAD Fits: all 1997 Regal engines 239180
🇺🇸 US 🇨🇦 CA
Standard
Fitment notes — MOTORAD 239180
Standard
180 Degrees FAlternate Temperature Option
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MOTORAD Fits: all 1997 Regal engines 239192
🇺🇸 US 🇨🇦 CA
Standard
Fitment notes — MOTORAD 239192
Standard
192 Degrees FOE Specified Temperature
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MOTORAD Fits: all 1997 Regal engines 5167KT
🇺🇸 US 🇨🇦 CA
Includes Housing, Thermostat, Gasket and SealKit
Fitment notes — MOTORAD 5167KT
Includes Housing, Thermostat, Gasket and SealKit
192 Degrees FOE Specified Temperature
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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.

Thermostat / Thermostat Housing / Water Outlet Seal

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: all 1997 Regal engines 35666
🇺🇸 US 🇨🇦 CA
1.560 (In) Inside DiameterThermostat Seal
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GM GENUINE Popular Fits: all 1997 Regal engines 24506985
🇺🇸 US 🇨🇦 CA
Outside Diameter 1.84"Thermostat Seal
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MAHLE / CLEVITE Popular Fits: 3.8L V6 C31349
🇺🇸 US 🇨🇦 CA
Beaded Paper
Fitment notes — MAHLE / CLEVITE C31349
Beaded Paper
Water Outlet Seal
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MOTORAD Popular Fits: all 1997 Regal engines MG183
🇺🇸 US 🇨🇦 CA
Thermostat Seal
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APEX Fits: all 1997 Regal engines AWO2069
🇺🇸 US 🇨🇦 CA
Thermostat HousingThermostat Seal
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APEX Fits: all 1997 Regal engines AWO2055
🇺🇸 US 🇨🇦 CA
Thermostat Seal
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FEL-PRO Fits: all 1997 Regal engines 35595
🇺🇸 US 🇨🇦 CA
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GATES Fits: all 1997 Regal engines 33609
🇺🇸 US 🇨🇦 CA
Thermostat Seal - 1 9/16" x 1 41/64" x 17/64" (Grooved, Molded)
Fitment notes — GATES 33609
Thermostat Seal - 1 9/16" x 1 41/64" x 17/64" (Grooved, Molded)
Thermostat Seal
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GATES Fits: 3.8L V6 Supercharged 33643
🇺🇸 US 🇨🇦 CA
Thermostat Gasket - 1 19/32"
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MAHLE / CLEVITE Fits: all 1997 Regal engines C31227
🇺🇸 US 🇨🇦 CA
Molded Rubber
Fitment notes — MAHLE / CLEVITE C31227
Molded Rubber
Thermostat Housing O-Ring
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MAHLE / CLEVITE Fits: 3.8L V6 Supercharged C31271
🇺🇸 US 🇨🇦 CA
Beaded Paper
Fitment notes — MAHLE / CLEVITE C31271
Beaded Paper
Water Outlet Seal
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MOTORAD Fits: all 1997 Regal engines MG366
🇺🇸 US 🇨🇦 CA
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VICTOR REINZ Fits: all 1997 Regal engines 711355600
🇺🇸 US 🇨🇦 CA
Fiber
Fitment notes — VICTOR REINZ 711355600
Fiber
with 2 Bolt HolesThermostat Seal
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VICTOR REINZ Fits: all 1997 Regal engines 711354900
🇺🇸 US 🇨🇦 CA
Improved Design
Fitment notes — VICTOR REINZ 711354900
Improved Design
O-Ring TypeRubberThermostat Seal
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VICTOR REINZ Fits: all 1997 Regal engines 711424100
🇺🇸 US 🇨🇦 CA
Water Bypass
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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.

Thermostat Housing / Water Outlet

Economy

Brand Part Number Markets Notes Buy
DORMAN Fits: all 1997 Regal engines 9022001
🇺🇸 US 🇨🇦 CA
Thermostat Housing
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GPD Fits: all 1997 Regal engines 8241409
🇺🇸 US 🇨🇦 CA
Water Outlet
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Standard Replacement

Brand Part Number Markets Notes Buy
FOUR SEASONS Fits: all 1997 Regal engines 85167
🇺🇸 US 🇨🇦 CA
Water Outlet
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MOTORAD Fits: all 1997 Regal engines CH5167
🇺🇸 US 🇨🇦 CA
Includes Gasket
Fitment notes — MOTORAD CH5167
Includes Gasket
Water Outlet
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This table covers the housings and outlets the thermostat sits in.

Water Pump

Economy

Brand Part Number Markets Notes Buy
US MOTOR WORKS Popular Fits: all 1997 Regal engines US5075
🇺🇸 US 🇨🇦 CA
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FVP Fits: all 1997 Regal engines US5075
🇺🇸 US 🇨🇦 CA
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SKP Fits: all 1997 Regal engines SK1301780
🇺🇸 US 🇨🇦 CA
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WJB / INMOTION PARTS Fits: all 1997 Regal engines WU5075
🇺🇸 US 🇨🇦 CA
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Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: all 1997 Regal engines 252693
🇺🇸 US 🇨🇦 CA
GoldDoes Not Include Mount Bolts
Fitment notes — ACDELCO 252693
GoldDoes Not Include Mount BoltsAftermarket Design
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GMB Popular Fits: all 1997 Regal engines 1301780
🇺🇸 US 🇨🇦 CA
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AISIN Fits: all 1997 Regal engines WPGM607V
🇺🇸 US 🇨🇦 CA
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DAYCO Fits: all 1997 Regal engines DP1927
🇺🇸 US 🇨🇦 CA
Standard Gasket
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DAYCO Fits: all 1997 Regal engines DP961
🇺🇸 US 🇨🇦 CA
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GATES Fits: all 1997 Regal engines 42097
🇺🇸 US 🇨🇦 CA
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GM GENUINE Fits: all 1997 Regal engines 251718
🇺🇸 US 🇨🇦 CA
with Gasket
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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.

Water Pump Gasket

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: all 1997 Regal engines 35351
🇺🇸 US 🇨🇦 CA
To BlockExcept Pump Stamped Metal Gasket Only
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FEL-PRO Popular Fits: all 1997 Regal engines 35804
🇺🇸 US 🇨🇦 CA
To BlockPump stamped "Metal gasket only"
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APEX Fits: all 1997 Regal engines AWP3003
🇺🇸 US 🇨🇦 CA
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APEX Fits: all 1997 Regal engines AWP3146
🇺🇸 US 🇨🇦 CA
Pump Stamped "Metal Gasket. Only"
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GM GENUINE Fits: all 1997 Regal engines 2512047
🇺🇸 US 🇨🇦 CA
with Pump Casting 125869482nd Design
Fitment notes — GM GENUINE 2512047
with Pump Casting 125869482nd DesignCover
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MAHLE / CLEVITE Fits: all 1997 Regal engines K30793
🇺🇸 US 🇨🇦 CA
Paper
Fitment notes — MAHLE / CLEVITE K30793
Paper
Water Pump Mounting Gasket
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MAHLE / CLEVITE Fits: all 1997 Regal engines K32493
🇺🇸 US 🇨🇦 CA
Molded Rubber
Fitment notes — MAHLE / CLEVITE K32493
Molded Rubber
Water Pump Mounting Gasket
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VICTOR REINZ Fits: all 1997 Regal engines 711467500
🇺🇸 US 🇨🇦 CA
Paper
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VICTOR REINZ Fits: all 1997 Regal engines 711470000
🇺🇸 US 🇨🇦 CA
Pump Stamped "Metal Gasket Only"Metal
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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.

Buying Cooling System Parts for a 1997 Buick Regal

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.

  • Match the engine first. Some cooling system parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
  • 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 Radiator .

Frequently Asked Questions

How many cooling system parts fit the 1997 Buick Regal?

Our catalog currently lists 154 cooling system parts for the 1997 Buick Regal across 24 subcategories and 43 brands, covering both the 3.8L V6 and the 3.8L V6 Supercharged. Each part is matched to the engine(s) it fits.

Do cooling system parts differ between 1997 Buick Regal engines?

Some do. 140 parts fit every engine; the other 14 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of cooling system problems on a 1997 Buick Regal?

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 Regal 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 Regal?

First match the engine — each row shows which engine(s) the part fits. 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 Regal

Cooling System Parts for Other Buick Regal Years

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