1997 Buick Riviera Cooling System Parts

Engine:

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

This page lists 130 cooling system parts for the 1997 Buick Riviera, across 20 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 Riviera 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 (15 parts), Temperature Sender / Sensor (15 parts) and Thermostat / Thermostat Housing / Water Outlet Seal (15 parts). The other 17 part types cover the remaining 85 parts.

Coolant / Antifreeze

Compatible With All Colors

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

Economy

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

Premium

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

Standard Replacement

Brand Part Number Markets Notes Buy
VALVOLINE Popular Fits: all 1997 Riviera engines ZXEL1
🇺🇸 US 🇨🇦 CA
Dex-Cool Orange1 Gallon
Fitment notes — VALVOLINE ZXEL1
Dex-Cool Orange1 GallonOAT
View on
Amazon
ACDELCO Fits: all 1997 Riviera 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
View on
Amazon
AISIN Fits: all 1997 Riviera engines ACD005
🇺🇸 US 🇨🇦 CA
OrangeOAT
Fitment notes — AISIN ACD005
OrangeOAT
(Type: Prediluted)
View on
Amazon
FVP Fits: all 1997 Riviera engines DEX5050GAL
🇺🇸 US 🇨🇦 CA
Extended Life Blend1 Gallon
Fitment notes — FVP DEX5050GAL
Extended Life Blend1 GallonOrangeOAT
View on
Amazon
PRESTONE Fits: all 1997 Riviera engines AF3400
🇺🇸 US 🇨🇦 CA
Prime OrangeOrange Compatible
Fitment notes — PRESTONE AF3400
Prime OrangeOrange CompatibleExtended Life1 Gallon ConcentrateOAT
View on
Amazon
PRESTONE Fits: all 1997 Riviera engines AF850
🇺🇸 US 🇨🇦 CA
DEX-Cool Extended Life1 Gallon
Fitment notes — PRESTONE AF850
DEX-Cool Extended Life1 GallonOrangeOAT
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.

Coolant Hose / Pipe

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 1997 Riviera engines 24503423
🇺🇸 US 🇨🇦 CA
to lower intake manifold.Thermostat Bypass
View on
Amazon

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

Coolant Hose / Pipe Seal

Brand Part Number Markets Notes Buy
FEL-PRO Fits: all 1997 Riviera engines 36021
🇺🇸 US 🇨🇦 CA
Water Bypass Seal
View on
Amazon
GM GENUINE Fits: all 1997 Riviera engines 1534066
🇺🇸 US 🇨🇦 CA
0.674" Diameter
Fitment notes — GM GENUINE 1534066
0.674" Diameter
Teflon Coated0.674 I.D.Bypass Line
View on
Amazon
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
View on
Amazon
MAHLE / CLEVITE Fits: all 1997 Riviera engines C31274
🇺🇸 US 🇨🇦 CA
Paper
Fitment notes — MAHLE / CLEVITE C31274
Paper
Water Bypass Seal
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.

Coolant Hose Connector / Flange

Brand Part Number Markets Notes Buy
FOUR SEASONS Fits: all 1997 Riviera engines 86500
🇺🇸 US 🇨🇦 CA
Coolant Coupling
Fitment notes — FOUR SEASONS 86500
Coolant Coupling
Coolant Coupling
View on
Amazon

This table covers the Coolant Hose Connector flanges.

Coolant Hose Retainer / Clip

Brand Part Number Markets Notes Buy
DORMAN Fits: all 1997 Riviera engines 961364
🇺🇸 US 🇨🇦 CA
Air Box Clip
Fitment notes — DORMAN 961364
Air Box Clip
RESERVOIR HOSE
View on
Amazon

This table covers the Coolant Hose retainers and clips.

Coolant Level Sensor

Brand Part Number Markets Notes Buy
FAMOUS BRAND Fits: all 1997 Riviera engines SBA3759
🇺🇸 US 🇨🇦 CA
View on
Amazon
GPD Fits: all 1997 Riviera engines 1712533
🇺🇸 US 🇨🇦 CA
Engine Coolant Level Sensor
View on
Amazon
STANDARD MOTOR PRODUCTS Fits: all 1997 Riviera engines FLS17
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS Fits: all 1997 Riviera engines 5S1453
🇺🇸 US 🇨🇦 CA
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.

Coolant Reservoir Cap

Brand Part Number Markets Notes Buy
DORMAN Fits: all 1997 Riviera engines 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.

Cooling Fan Control Module

Brand Part Number Markets Notes Buy
US MOTOR WORKS Fits: all 1997 Riviera engines 16789
🇺🇸 US 🇨🇦 CA
Better Control
View on
Amazon
US MOTOR WORKS Fits: all 1997 Riviera engines 16795
🇺🇸 US 🇨🇦 CA
Best Control
View on
Amazon

This table covers the Cooling Fan control modules.

Cooling System Tester Adapter

Brand Part Number Markets Notes Buy
ACDELCO Fits: all 1997 Riviera engines 12A01
🇺🇸 US 🇨🇦 CA
ProfessionalIncluded In Tester
Fitment notes — ACDELCO 12A01
ProfessionalIncluded In Tester
Cooling System PressureRadiator Cap Adapter
View on
Amazon
GATES Fits: all 1997 Riviera engines 31413
🇺🇸 US 🇨🇦 CA
Cooling System PressureRadiator Cap
Fitment notes — GATES 31413
Cooling System PressureRadiator CapSystem Adapter on Tester
View on
Amazon
MOTORAD Fits: all 1997 Riviera engines 3003
🇺🇸 US 🇨🇦 CA
StandardIncluded In Tester Kit
Fitment notes — MOTORAD 3003
StandardIncluded In Tester KitRadiator Cap Adapter
Cooling System PressureRadiator Cap Adapter
View on
Amazon

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

Radiator

Economy

Brand Part Number Markets Notes Buy
GPD Fits: all 1997 Riviera engines 1777C
🇺🇸 US 🇨🇦 CA
View on
Amazon
TECHPRO Fits: all 1997 Riviera engines GM3010135
🇺🇸 US 🇨🇦 CA
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
AGILITY Popular Fits: all 1997 Riviera engines 8012536
🇺🇸 US 🇨🇦 CA
View on
Amazon
FVP Fits: all 1997 Riviera engines RAD2536
🇺🇸 US 🇨🇦 CA
View on
Amazon
OSC Fits: all 1997 Riviera engines 2536
🇺🇸 US 🇨🇦 CA
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.

Radiator Cap

Locking Replacement

Brand Part Number Markets Notes Buy
CALORSTAT Fits: all 1997 Riviera 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
View on
Amazon
CALORSTAT Fits: all 1997 Riviera engines RC0217
🇺🇸 US 🇨🇦 CA
PerformanceIncludes 2 seals
Fitment notes — CALORSTAT RC0217
PerformanceIncludes 2 sealsLever OpeningMetallic
PSI - 20.0with Coolant Recovery System
View on
Amazon
GATES Fits: all 1997 Riviera engines 31516
🇺🇸 US 🇨🇦 CA
Safety Release Radiator Cap
View on
Amazon
MOTORAD Fits: all 1997 Riviera engines ST16V
🇺🇸 US 🇨🇦 CA
Safety Lever
Fitment notes — MOTORAD ST16V
Safety Lever
Relief Pressure 16 lbs
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: all 1997 Riviera 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
View on
Amazon
GATES Popular Fits: all 1997 Riviera engines 31523
🇺🇸 US 🇨🇦 CA
OE Type
View on
Amazon
CALORSTAT Fits: all 1997 Riviera engines RC0061
🇺🇸 US 🇨🇦 CA
Includes 2 sealsMetallic
Fitment notes — CALORSTAT RC0061
Includes 2 sealsMetallic
PSI - 15.0
View on
Amazon
MOTORAD Fits: all 1997 Riviera engines T16V
🇺🇸 US 🇨🇦 CA
Standard
Fitment notes — MOTORAD T16V
Standard
Relief Pressure 16 lbs
View on
Amazon
SKP Fits: all 1997 Riviera engines 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.

Radiator Fan Assembly

Economy

Brand Part Number Markets Notes Buy
TECHPRO Fits: all 1997 Riviera engines GM3115149
🇺🇸 US 🇨🇦 CA
Left
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
UAC Fits: all 1997 Riviera engines FA50310C
🇺🇸 US 🇨🇦 CA
View on
Amazon

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
FOUR SEASONS Popular Fits: all 1997 Riviera engines 35656
🇺🇸 US 🇨🇦 CA
Left
View on
Amazon
FOUR SEASONS Popular Fits: all 1997 Riviera engines 35380
🇺🇸 US 🇨🇦 CA
Right
View on
Amazon
ACDELCO Fits: all 1997 Riviera engines 1580033
🇺🇸 US 🇨🇦 CA
Gold
Fitment notes — ACDELCO 1580033
Gold
Right
View on
Amazon
GPD Fits: all 1997 Riviera engines 2311414
🇺🇸 US 🇨🇦 CA
RH
View on
Amazon
GPD Fits: all 1997 Riviera engines 2311317
🇺🇸 US 🇨🇦 CA
Driver Side
View on
Amazon
TYC Fits: all 1997 Riviera engines 630070
🇺🇸 US 🇨🇦 CA
Right
View on
Amazon
VDO / CONTINENTAL Fits: all 1997 Riviera engines PM517
🇺🇸 US 🇨🇦 CA
Passenger Side
View on
Amazon
VDO / CONTINENTAL Fits: all 1997 Riviera engines PM538
🇺🇸 US 🇨🇦 CA
Motor Diameter: 3.250 In
Fitment notes — VDO / CONTINENTAL PM538
Motor Diameter: 3.250 In
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.

Radiator Hose

Brand Part Number Markets Notes Buy
DAYCO Popular Fits: all 1997 Riviera engines 71852
🇺🇸 US 🇨🇦 CA
Curved
Fitment notes — DAYCO 71852
Curved
Lower
View on
Amazon
GATES Popular Fits: all 1997 Riviera engines 21361
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — GATES 21361
Molded
UPPERCUT TO FIT
View on
Amazon
ACDELCO Fits: all 1997 Riviera engines 24142L
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
Fitment notes — ACDELCO 24142L
Professional / GoldMolded
UPPERCUT TO FIT
View on
Amazon
ACDELCO Fits: all 1997 Riviera engines 24326L
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
Fitment notes — ACDELCO 24326L
Professional / GoldMolded
LowerCut to fit
View on
Amazon
CONTINENTAL Fits: all 1997 Riviera engines 61692
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 61692
Molded
Upper
View on
Amazon
CONTINENTAL Fits: all 1997 Riviera engines 62152
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 62152
Molded
Lower
View on
Amazon
DAYCO Fits: all 1997 Riviera engines 71851
🇺🇸 US 🇨🇦 CA
Curved
Fitment notes — DAYCO 71851
Curved
Upper
View on
Amazon
GATES Fits: all 1997 Riviera engines 22154
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — GATES 22154
Molded
LowerCut to fit
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.

Temperature Sender / Sensor

Economy

Brand Part Number Markets Notes Buy
HOLSTEIN Fits: all 1997 Riviera engines 2CTS0002
🇺🇸 US 🇨🇦 CA
View on
Amazon
STANDARD MOTOR PRODUCTS Fits: all 1997 Riviera engines TX66T
🇺🇸 US 🇨🇦 CA
T-Series
View on
Amazon
UNITED MOTOR PRODUCTS Fits: all 1997 Riviera engines CTS43
🇺🇸 US 🇨🇦 CA
with 3 Pin Terminals
View on
Amazon

Full Service Kit

Brand Part Number Markets Notes Buy
WALKER PRODUCTS Fits: all 1997 Riviera engines 21191039
🇺🇸 US 🇨🇦 CA
Full Service KitConnector Shape: Circle
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 3.8L V6 Supercharged 1551107
🇺🇸 US 🇨🇦 CA
Gold
View on
Amazon
FOUR SEASONS Popular Fits: 3.8L V6 36445
🇺🇸 US 🇨🇦 CA
Round Connector
View on
Amazon
FOUR SEASONS Popular Fits: 3.8L V6 Supercharged 36403
🇺🇸 US 🇨🇦 CA
View on
Amazon
GM GENUINE Popular Fits: all 1997 Riviera engines 213815
🇺🇸 US 🇨🇦 CA
3 blade terminalwith Indicator Switch
View on
Amazon
STANDARD MOTOR PRODUCTS Popular Fits: all 1997 Riviera engines TX66
🇺🇸 US 🇨🇦 CA
View on
Amazon
BECK/ARNLEY Fits: all 1997 Riviera engines 1580743
🇺🇸 US 🇨🇦 CA
View on
Amazon
DELPHI Fits: all 1997 Riviera engines TS10032
🇺🇸 US 🇨🇦 CA
View on
Amazon
NTK Fits: all 1997 Riviera engines EF0004
🇺🇸 US 🇨🇦 CA
Sensor Only
View on
Amazon
ROSTRA Fits: all 1997 Riviera engines 680014
🇺🇸 US 🇨🇦 CA
Sender
Fitment notes — ROSTRA 680014
Sender
with gaugewith 3 blade terminals
View on
Amazon
WALKER PRODUCTS Fits: all 1997 Riviera engines 2111039
🇺🇸 US 🇨🇦 CA
Sensor Only
View on
Amazon
WELLS Fits: all 1997 Riviera engines 1T1043
🇺🇸 US 🇨🇦 CA
with 3 Blade Terminalswith Gauge
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.

Thermostat

Heavy Duty

Brand Part Number Markets Notes Buy
MOTORAD Popular Fits: all 1997 Riviera engines 5239192
🇺🇸 US 🇨🇦 CA
Ultra Stat
Fitment notes — MOTORAD 5239192
Ultra Stat
192 Degrees FOE Specified Temperature
View on
Amazon
MOTORAD Fits: all 1997 Riviera 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
View on
Amazon

Premium

Brand Part Number Markets Notes Buy
MOTORAD Fits: all 1997 Riviera engines 7239192
🇺🇸 US 🇨🇦 CA
Fail-Safe
Fitment notes — MOTORAD 7239192
Fail-Safe
192 Degrees FOE Specified Temperature
View on
Amazon
MOTORAD Fits: all 1997 Riviera engines 7239180
🇺🇸 US 🇨🇦 CA
Fail-Safe
Fitment notes — MOTORAD 7239180
Fail-Safe
180 Degrees FAlternate Temperature Option
View on
Amazon
MOTORAD Fits: all 1997 Riviera 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
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
GATES Popular Fits: all 1997 Riviera engines 33429
🇺🇸 US 🇨🇦 CA
OE Type
Fitment notes — GATES 33429
OE Type
195 DegreeOE Temperature
View on
Amazon
GM GENUINE Popular Fits: all 1997 Riviera engines 131115
🇺🇸 US 🇨🇦 CA
Includes GasketOE Temperature
Fitment notes — GM GENUINE 131115
Includes GasketOE Temperature
with Gasket195 Degree
View on
Amazon
AISIN Fits: all 1997 Riviera engines THRGM0006
🇺🇸 US 🇨🇦 CA
Includes Thermostat Seal
Fitment notes — AISIN THRGM0006
Includes Thermostat Seal
91°
View on
Amazon
CALORSTAT Fits: all 1997 Riviera 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
View on
Amazon
MOTORAD Fits: all 1997 Riviera engines 239180
🇺🇸 US 🇨🇦 CA
Standard
Fitment notes — MOTORAD 239180
Standard
180 Degrees FAlternate Temperature Option
View on
Amazon
MOTORAD Fits: all 1997 Riviera engines 239192
🇺🇸 US 🇨🇦 CA
Standard
Fitment notes — MOTORAD 239192
Standard
192 Degrees FOE Specified Temperature
View on
Amazon
MOTORAD Fits: all 1997 Riviera 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
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.

Thermostat / Thermostat Housing / Water Outlet Seal

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

Thermostat Housing / Water Outlet

Economy

Brand Part Number Markets Notes Buy
DORMAN Fits: all 1997 Riviera engines 9022001
🇺🇸 US 🇨🇦 CA
Thermostat Housing
View on
Amazon
GPD Fits: all 1997 Riviera engines 8241409
🇺🇸 US 🇨🇦 CA
Water Outlet
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
FOUR SEASONS Fits: all 1997 Riviera engines 85167
🇺🇸 US 🇨🇦 CA
Water Outlet
View on
Amazon
MOTORAD Fits: all 1997 Riviera engines CH5167
🇺🇸 US 🇨🇦 CA
Includes Gasket
Fitment notes — MOTORAD CH5167
Includes Gasket
Water Outlet
View on
Amazon

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 Riviera engines US5075
🇺🇸 US 🇨🇦 CA
View on
Amazon
FVP Fits: all 1997 Riviera engines US5075
🇺🇸 US 🇨🇦 CA
View on
Amazon
SKP Fits: all 1997 Riviera engines SK1301780
🇺🇸 US 🇨🇦 CA
View on
Amazon
WJB / INMOTION PARTS Fits: all 1997 Riviera engines WU5075
🇺🇸 US 🇨🇦 CA
View on
Amazon

Standard Replacement

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

Water Pump Gasket

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

Buying Cooling System Parts for a 1997 Buick Riviera

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 Temperature Sender / Sensor .

Frequently Asked Questions

How many cooling system parts fit the 1997 Buick Riviera?

Our catalog currently lists 130 cooling system parts for the 1997 Buick Riviera across 20 subcategories and 39 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 Riviera engines?

Some do. 123 parts fit every engine; the other 7 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 Riviera?

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 Riviera 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 Riviera?

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 Riviera

Cooling System Parts for Other Buick Riviera Years

Switch vehicle or jump to a subcategory

Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.