1995 Buick Riviera Cooling System Parts

Engine:

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

The 1995 Buick Riviera has 146 cooling system parts with verified fitment on this page — 22 part types and 42 brands, covering both the 3.8L V6 and the 3.8L V6 Supercharged. Each part includes a manufacturer part number and application notes.

The cooling system system on the 1995 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 Temperature Sender / Sensor (21 parts), Coolant / Antifreeze (20 parts) and Thermostat (17 parts). The other 19 part types cover the remaining 88 parts.

Coolant / Antifreeze

Compatible With All Colors

Brand Part Number Markets Notes Buy
PRESTONE Fits: 3.8L V6 Supercharged 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: 3.8L V6 Supercharged MV5050GAL
🇺🇸 US 🇨🇦 CA
Extended LifeAll Makes / All Models
Fitment notes — FVP MV5050GAL
Extended LifeAll Makes / All Models1 Gallon
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PEAK Fits: 3.8L V6 Supercharged BQA1GAL
🇺🇸 US 🇨🇦 CA
Blue Mountain Long LifeAll Vehicle
Fitment notes — PEAK BQA1GAL
Blue Mountain Long LifeAll Vehicle1 Gallon
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PRESTONE Fits: 3.8L V6 Supercharged AF3100
🇺🇸 US 🇨🇦 CA
Prime Yellow - All VehiclesExtended Life
Fitment notes — PRESTONE AF3100
Prime Yellow - All VehiclesExtended Life1 Gallon
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VALVOLINE Fits: 3.8L V6 Supercharged 719009
🇺🇸 US 🇨🇦 CA
Multi-Vehicle Yellow1 Gallon
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Premium

Brand Part Number Markets Notes Buy
PRESTONE Popular Fits: 3.8L V6 Supercharged AF2100
🇺🇸 US 🇨🇦 CA
All Vehicles10yr/300k mi
Fitment notes — PRESTONE AF2100
All Vehicles10yr/300k mi1 GallonExtended Life
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PEAK Fits: 3.8L V6 Supercharged 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: 3.8L V6 Supercharged PXA1GAL
🇺🇸 US 🇨🇦 CA
1 GallonGlobal Lifetime
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PRESTONE Fits: 3.8L V6 Supercharged 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: 3.8L V6 Supercharged 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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PRESTONE Popular Fits: 3.8L V6 Supercharged AF3400
🇺🇸 US 🇨🇦 CA
Prime OrangeOrange Compatible
Fitment notes — PRESTONE AF3400
Prime OrangeOrange CompatibleExtended Life1 Gallon ConcentrateOAT
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AISIN Fits: 3.8L V6 Supercharged ACD005
🇺🇸 US 🇨🇦 CA
OrangeOAT
Fitment notes — AISIN ACD005
OrangeOAT
(Type: Prediluted)
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FVP Fits: 3.8L V6 Supercharged DEX5050GAL
🇺🇸 US 🇨🇦 CA
Extended Life Blend1 Gallon
Fitment notes — FVP DEX5050GAL
Extended Life Blend1 GallonOrangeOAT
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PEAK Fits: 3.8L V6 Supercharged BMA1GAL
🇺🇸 US 🇨🇦 CA
Blue Mountain Conventional Green1 Gallon
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PEAK Fits: 3.8L V6 Supercharged RUA1GAL
🇺🇸 US 🇨🇦 CA
Conventional Green1 Gallon
Fitment notes — PEAK RUA1GAL
Conventional Green1 GallonBlue MountainConventional GreenOlder Vehicle
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PEAK Fits: 3.8L V6 Supercharged FFA1GAL
🇺🇸 US 🇨🇦 CA
Full Force Conventional Green1 Gallon
Fitment notes — PEAK FFA1GAL
Full Force Conventional Green1 GallonFULL FORCE CONVENTIONAL GREEN 1 Gallon
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PEAK Fits: 3.8L V6 Supercharged PDC1GAL
🇺🇸 US 🇨🇦 CA
GM DEX-Cool1 Gallon
Fitment notes — PEAK PDC1GAL
GM DEX-Cool1 GallonGM APPROVED DEX-COOL 1 GALLON
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PEAK Fits: 3.8L V6 Supercharged SEP1GAL
🇺🇸 US 🇨🇦 CA
Sierra Conventional Green Concentrate Low Toxic Option1 Gallon
Fitment notes — PEAK SEP1GAL
Sierra Conventional Green Concentrate Low Toxic Option1 GallonPropylene Glycol (PG) Antifreeze1 Gallon
(Type: Concentrated)
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PRESTONE Fits: 3.8L V6 Supercharged AF850
🇺🇸 US 🇨🇦 CA
DEX-Cool Extended Life1 Gallon
Fitment notes — PRESTONE AF850
DEX-Cool Extended Life1 GallonOrangeOAT
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VALVOLINE Fits: 3.8L V6 Supercharged ZX001
🇺🇸 US 🇨🇦 CA
Original Green1 Gallon
Fitment notes — VALVOLINE ZX001
Original Green1 GallonLow-SilicateIAT
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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 Hose / Pipe

Brand Part Number Markets Notes Buy
GATES Popular Fits: 3.8L V6 Supercharged 18801
🇺🇸 US 🇨🇦 CA
Molded5/8" x 7 1/2"
Fitment notes — GATES 18801
Molded5/8" x 7 1/2"
Cut to fit
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ACDELCO Fits: 3.8L V6 Supercharged 14108S
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
Fitment notes — ACDELCO 14108S
Professional / GoldMolded5/8" x 7 1/2"
Cut to fit
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CONTINENTAL Fits: 3.8L V6 Supercharged 63043
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 63043
Molded
Cut to fit
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DAYCO Fits: 3.8L V6 Supercharged 71624
🇺🇸 US 🇨🇦 CA
Curved
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GM GENUINE Fits: 3.8L V6 Supercharged 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 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: 3.8L V6 Supercharged 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: 3.8L V6 Supercharged 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 Hose Retainer / Clip

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.8L V6 Supercharged 961364
🇺🇸 US 🇨🇦 CA
Air Box Clip
Fitment notes — DORMAN 961364
Air Box Clip
RESERVOIR HOSE
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This table covers the Coolant Hose retainers and clips.

Coolant Level Sensor

Brand Part Number Markets Notes Buy
GPD Fits: 3.8L V6 Supercharged 1712532
🇺🇸 US 🇨🇦 CA
Engine Coolant Level Sensor
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 Supercharged FLS15
🇺🇸 US 🇨🇦 CA
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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 Cap

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.8L V6 Supercharged 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: 3.8L V6 Supercharged 16789
🇺🇸 US 🇨🇦 CA
Better Control
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US MOTOR WORKS Fits: 3.8L V6 Supercharged 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: 3.8L V6 Supercharged 12A01
🇺🇸 US 🇨🇦 CA
ProfessionalIncluded In Tester
Fitment notes — ACDELCO 12A01
ProfessionalIncluded In Tester
Cooling System PressureRadiator Cap Adapter
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GATES Fits: 3.8L V6 Supercharged 31413
🇺🇸 US 🇨🇦 CA
Cooling System PressureRadiator Cap
Fitment notes — GATES 31413
Cooling System PressureRadiator CapSystem Adapter on Tester
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MOTORAD Fits: 3.8L V6 Supercharged 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: 3.8L V6 Supercharged 1777C
🇺🇸 US 🇨🇦 CA
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TECHPRO Fits: 3.8L V6 Supercharged GM3010133
🇺🇸 US 🇨🇦 CA
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Standard Replacement

Brand Part Number Markets Notes Buy
AGILITY Popular Fits: 3.8L V6 Supercharged 8011777
🇺🇸 US 🇨🇦 CA
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FVP Fits: 3.8L V6 Supercharged RAD1777
🇺🇸 US 🇨🇦 CA
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OSC Fits: 3.8L V6 Supercharged 1777
🇺🇸 US 🇨🇦 CA
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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: 3.8L V6 Supercharged 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: 3.8L V6 Supercharged 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: 3.8L V6 Supercharged 31516
🇺🇸 US 🇨🇦 CA
Safety Release Radiator Cap
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MOTORAD Fits: 3.8L V6 Supercharged 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: 3.8L V6 Supercharged 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: 3.8L V6 Supercharged 31523
🇺🇸 US 🇨🇦 CA
OE Type
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CALORSTAT Fits: 3.8L V6 Supercharged RC0061
🇺🇸 US 🇨🇦 CA
Includes 2 sealsMetallic
Fitment notes — CALORSTAT RC0061
Includes 2 sealsMetallic
PSI - 15.0
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MOTORAD Fits: 3.8L V6 Supercharged T16V
🇺🇸 US 🇨🇦 CA
Standard
Fitment notes — MOTORAD T16V
Standard
Relief Pressure 16 lbs
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SKP Fits: 3.8L V6 Supercharged 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 Fan Assembly

Economy

Brand Part Number Markets Notes Buy
TECHPRO Fits: 3.8L V6 Supercharged GM3115149
🇺🇸 US 🇨🇦 CA
Left
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Standard Replacement

Brand Part Number Markets Notes Buy
UAC Fits: 3.8L V6 Supercharged FA50092C
🇺🇸 US 🇨🇦 CA
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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
FOUR SEASONS Popular Fits: 3.8L V6 Supercharged 35656
🇺🇸 US 🇨🇦 CA
Left
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FOUR SEASONS Popular Fits: 3.8L V6 Supercharged 35380
🇺🇸 US 🇨🇦 CA
Right
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ACDELCO Fits: 3.8L V6 Supercharged 1580033
🇺🇸 US 🇨🇦 CA
Gold
Fitment notes — ACDELCO 1580033
Gold
Right
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GPD Fits: 3.8L V6 Supercharged 2311414
🇺🇸 US 🇨🇦 CA
RH
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GPD Fits: 3.8L V6 Supercharged 2311317
🇺🇸 US 🇨🇦 CA
Driver Side
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TYC Fits: 3.8L V6 Supercharged 630070
🇺🇸 US 🇨🇦 CA
Fits Right
Fitment notes — TYC 630070
Fits:
Right
or:
Left
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VDO / CONTINENTAL Fits: 3.8L V6 Supercharged PM517
🇺🇸 US 🇨🇦 CA
Passenger Side
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VDO / CONTINENTAL Fits: 3.8L V6 Supercharged PM538
🇺🇸 US 🇨🇦 CA
Motor Diameter: 3.250 In
Fitment notes — VDO / CONTINENTAL PM538
Motor Diameter: 3.250 In
Driver 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
DAYCO Popular Fits: 3.8L V6 Supercharged 71519
🇺🇸 US 🇨🇦 CA
Curved
Fitment notes — DAYCO 71519
Curved
Upper
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DAYCO Popular Fits: 3.8L V6 Supercharged 71852
🇺🇸 US 🇨🇦 CA
Curved
Fitment notes — DAYCO 71852
Curved
Lower
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ACDELCO Fits: 3.8L V6 Supercharged 22267M
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
Fitment notes — ACDELCO 22267M
Professional / GoldMolded
Upper
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ACDELCO Fits: 3.8L V6 Supercharged 24326L
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
Fitment notes — ACDELCO 24326L
Professional / GoldMolded
LowerCut to fit
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CONTINENTAL Fits: 3.8L V6 Supercharged 61692
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 61692
Molded
Upper
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CONTINENTAL Fits: 3.8L V6 Supercharged 62152
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 62152
Molded
LowerCut to fit
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GATES Fits: 3.8L V6 Supercharged 22154
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — GATES 22154
Molded
LowerCut to fit
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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.

Temperature Sender / Sensor

Economy

Brand Part Number Markets Notes Buy
NTK Popular Fits: 3.8L V6 Supercharged EF0008
🇺🇸 US 🇨🇦 CA
Sensor OnlyOval Connector
Fitment notes — NTK EF0008
Sensor OnlyOval Connector
with 2 Terminal(s)
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STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 Supercharged TX3T
🇺🇸 US 🇨🇦 CA
T-SeriesRound Connector
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GPD Fits: 3.8L V6 Supercharged 1711697
🇺🇸 US 🇨🇦 CA
with Oval Connectorwith 2 Terminal(s)
Fitment notes — GPD 1711697
with Oval Connectorwith 2 Terminal(s)with 3/8 in-18 Threads
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HOLSTEIN Fits: 3.8L V6 Supercharged 2CTS0001
🇺🇸 US 🇨🇦 CA
2 Terminals
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HOLSTEIN Fits: 3.8L V6 Supercharged 2CTS0002
🇺🇸 US 🇨🇦 CA
3 Terminals
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ULTRA-POWER Fits: 3.8L V6 Supercharged 5S1018
🇺🇸 US 🇨🇦 CA
with 2 Terminal(s)Sensor Only
Fitment notes — ULTRA-POWER 5S1018
with 2 Terminal(s)Sensor Onlywith Supercharger
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VEMO Fits: 3.8L V6 Supercharged V407203301
🇺🇸 US 🇨🇦 CA
Thread Size: 3/8 X 18 NPTPlug (Connector): 2 Pins
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Full Service Kit

Brand Part Number Markets Notes Buy
WALKER PRODUCTS Fits: 3.8L V6 Supercharged 21191012
🇺🇸 US 🇨🇦 CA
Full Service KitConnector Shape: Circle
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Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 3.8L V6 Supercharged 1551107
🇺🇸 US 🇨🇦 CA
Gold
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GM GENUINE Popular Fits: 3.8L V6 Supercharged 213928
🇺🇸 US 🇨🇦 CA
Oval Connector
Fitment notes — GM GENUINE 213928
Oval Connector
Use with Mating Connector PT17982-Way MaleMating Connector with Leads Use 88987993
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STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 Supercharged TX3
🇺🇸 US 🇨🇦 CA
Round Connector
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BECK/ARNLEY Fits: 3.8L V6 Supercharged 1580743
🇺🇸 US 🇨🇦 CA
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DELPHI Fits: 3.8L V6 Supercharged TS10075
🇺🇸 US 🇨🇦 CA
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FACET Fits: 3.8L V6 Supercharged 73129
🇺🇸 US 🇨🇦 CA
Terminals: 2
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FOUR SEASONS Fits: 3.8L V6 Supercharged 36403
🇺🇸 US 🇨🇦 CA
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HELLA Fits: 3.8L V6 Supercharged 009107591
🇺🇸 US 🇨🇦 CA
2-Pin ConnectorBolted
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NTK Fits: 3.8L V6 Supercharged EF0074
🇺🇸 US 🇨🇦 CA
with 2 Terminal(s)with Mating Connector
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 Supercharged TX3K
🇺🇸 US 🇨🇦 CA
INCLUDES CONNECTOR
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WALKER PRODUCTS Fits: 3.8L V6 Supercharged 2111012
🇺🇸 US 🇨🇦 CA
Sensor OnlyCircle Connector
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WELLS Fits: 3.8L V6 Supercharged 5S1018
🇺🇸 US 🇨🇦 CA
Connector Shape: Oval
Fitment notes — WELLS 5S1018
Connector Shape: Oval
with 2 TerminalsSensor Only
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WELLS Fits: 3.8L V6 Supercharged 5S1474
🇺🇸 US 🇨🇦 CA
with 2 Terminalswith Mating Connector
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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 Fits: 3.8L V6 Supercharged 5203180
🇺🇸 US 🇨🇦 CA
Ultra Stat
Fitment notes — MOTORAD 5203180
Ultra Stat
180 Degrees FAlternate Temperature Option
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MOTORAD Fits: 3.8L V6 Supercharged 5203195
🇺🇸 US 🇨🇦 CA
Ultra Stat
Fitment notes — MOTORAD 5203195
Ultra Stat
195 Degrees FOE Specified Temperature
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Performance

Brand Part Number Markets Notes Buy
MOTORAD Fits: 3.8L V6 Supercharged 2003195
🇺🇸 US 🇨🇦 CA
High Flow
Fitment notes — MOTORAD 2003195
High Flow
195 Degrees FOE Specified Temperature
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MOTORAD Fits: 3.8L V6 Supercharged 2003180
🇺🇸 US 🇨🇦 CA
High Flow
Fitment notes — MOTORAD 2003180
High Flow
180 Degrees FAlternate Temperature Option
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Premium

Brand Part Number Markets Notes Buy
MOTORAD Fits: 3.8L V6 Supercharged 7203180
🇺🇸 US 🇨🇦 CA
Fail-Safe
Fitment notes — MOTORAD 7203180
Fail-Safe
180 Degrees FAlternate Temperature Option
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MOTORAD Fits: 3.8L V6 Supercharged 7203192
🇺🇸 US 🇨🇦 CA
Fail Safe
Fitment notes — MOTORAD 7203192
Fail Safe
192F/89C Thermostat
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MOTORAD Fits: 3.8L V6 Supercharged 7203160
🇺🇸 US 🇨🇦 CA
Fail-Safe
Fitment notes — MOTORAD 7203160
Fail-Safe
160 Degrees FAlternate Temperature Option
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MOTORAD Fits: 3.8L V6 Supercharged 7203195
🇺🇸 US 🇨🇦 CA
Fail-Safe
Fitment notes — MOTORAD 7203195
Fail-Safe
195 Degrees FOE Specified Temperature
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Standard Replacement

Brand Part Number Markets Notes Buy
GATES Popular Fits: 3.8L V6 Supercharged 33429
🇺🇸 US 🇨🇦 CA
OE Type
Fitment notes — GATES 33429
OE Type
195 DegreeOE Temperature
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GM GENUINE Popular Fits: 3.8L V6 Supercharged 131115
🇺🇸 US 🇨🇦 CA
Includes GasketOE Temperature
Fitment notes — GM GENUINE 131115
Includes GasketOE Temperature
with Gasket195 Degree
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MOTORAD Popular Fits: 3.8L V6 Supercharged 203180
🇺🇸 US 🇨🇦 CA
Standard
Fitment notes — MOTORAD 203180
Standard
180 Degrees FAlternate Temperature Option
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MOTORAD Popular Fits: 3.8L V6 Supercharged 203195
🇺🇸 US 🇨🇦 CA
Standard
Fitment notes — MOTORAD 203195
Standard
195 Degrees FOE Specified Temperature
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AISIN Fits: 3.8L V6 Supercharged THRGM0006
🇺🇸 US 🇨🇦 CA
Includes Thermostat Seal
Fitment notes — AISIN THRGM0006
Includes Thermostat Seal
91°
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CALORSTAT Fits: 3.8L V6 Supercharged TH096380
🇺🇸 US 🇨🇦 CA
PerformanceDoes Not Include Seal
Fitment notes — CALORSTAT TH096380
PerformanceDoes Not Include Seal
176.0 F Degreeswith Narrower Main Valve
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CALORSTAT Fits: 3.8L V6 Supercharged TH096393
🇺🇸 US 🇨🇦 CA
PerformanceDoes Not Include Seal
Fitment notes — CALORSTAT TH096393
PerformanceDoes Not Include Seal
199.0 Degreeswith Narrower Main Valve
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GATES Fits: 3.8L V6 Supercharged 33428
🇺🇸 US 🇨🇦 CA
OE Type
Fitment notes — GATES 33428
OE Type
180 DegreeAlternate Temperature
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MOTORAD Fits: 3.8L V6 Supercharged 203160
🇺🇸 US 🇨🇦 CA
Standard
Fitment notes — MOTORAD 203160
Standard
160 Degrees FAlternate Temperature Option
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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: 3.8L V6 Supercharged 35534
🇺🇸 US 🇨🇦 CA
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FEL-PRO Popular Fits: 3.8L V6 Supercharged 35666
🇺🇸 US 🇨🇦 CA
1.560 (In) Inside DiameterThermostat Seal
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GM GENUINE Popular Fits: 3.8L V6 Supercharged 24506985
🇺🇸 US 🇨🇦 CA
Outside Diameter 1.84"Thermostat Seal
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MOTORAD Popular Fits: 3.8L V6 Supercharged MG183
🇺🇸 US 🇨🇦 CA
Thermostat Seal
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APEX Fits: 3.8L V6 Supercharged AWO2058
🇺🇸 US 🇨🇦 CA
Thermostat HousingThermostat Seal
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APEX Fits: 3.8L V6 Supercharged AWO2055
🇺🇸 US 🇨🇦 CA
Thermostat Seal
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GATES Fits: 3.8L V6 Supercharged 34031
🇺🇸 US 🇨🇦 CA
Thermostat Gasket - 1 1/2"
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GATES Fits: 3.8L V6 Supercharged 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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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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MAHLE / CLEVITE Fits: 3.8L V6 Supercharged C31227
🇺🇸 US 🇨🇦 CA
Molded Rubber
Fitment notes — MAHLE / CLEVITE C31227
Molded Rubber
Thermostat Housing O-Ring
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MOTORAD Fits: 3.8L V6 Supercharged MG366
🇺🇸 US 🇨🇦 CA
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ROL GASKETS Fits: 3.8L V6 Supercharged WO8349
🇺🇸 US 🇨🇦 CA
Thermostat Housing Gasket1 OR I Engine CODE - FI
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ROL GASKETS Fits: 3.8L V6 Supercharged WO8349001
🇺🇸 US 🇨🇦 CA
Thermostat Housing Gasket1 OR I Engine CODE
Fitment notes — ROL GASKETS WO8349001
Thermostat Housing Gasket1 OR I Engine CODEFUEL INJ
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ROL GASKETS Fits: 3.8L V6 Supercharged WO8349E
🇺🇸 US 🇨🇦 CA
Fits Thermostat Housing GasketOPT
Fitment notes — ROL GASKETS WO8349E
Fits:
Thermostat Housing GasketOPT
or:
Thermostat Housing Gasket1 OR I Engine CODEFUEL INJ
or:
Thermostat Housing GasketEZ STICK SELF ADH Gasket
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STANT Fits: 3.8L V6 Supercharged 25195
🇺🇸 US 🇨🇦 CA
Replaced by 27195Thermostat Seal
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VICTOR REINZ Fits: 3.8L V6 Supercharged 711355000
🇺🇸 US 🇨🇦 CA
Fiber
Fitment notes — VICTOR REINZ 711355000
Fiber
with 2 Bolt HolesThermostat Seal
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VICTOR REINZ Fits: 3.8L V6 Supercharged 711354900
🇺🇸 US 🇨🇦 CA
Improved Design
Fitment notes — VICTOR REINZ 711354900
Improved Design
O-Ring TypeRubberThermostat Seal
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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

Brand Part Number Markets Notes Buy
GPD Fits: 3.8L V6 Supercharged 8241274
🇺🇸 US 🇨🇦 CA
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
FVP Fits: 3.8L V6 Supercharged US5050
🇺🇸 US 🇨🇦 CA
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SKP Fits: 3.8L V6 Supercharged SK1301590
🇺🇸 US 🇨🇦 CA
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US MOTOR WORKS Fits: 3.8L V6 Supercharged US5050
🇺🇸 US 🇨🇦 CA
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WJB / INMOTION PARTS Fits: 3.8L V6 Supercharged WU5050N
🇺🇸 US 🇨🇦 CA
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WJB / INMOTION PARTS Fits: 3.8L V6 Supercharged WU5050
🇺🇸 US 🇨🇦 CA
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Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 3.8L V6 Supercharged 252694
🇺🇸 US 🇨🇦 CA
GoldDoes Not Include Mount Bolts
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AISIN Popular Fits: 3.8L V6 Supercharged WPGM607V
🇺🇸 US 🇨🇦 CA
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GM GENUINE Popular Fits: 3.8L V6 Supercharged 251718
🇺🇸 US 🇨🇦 CA
with GasketUse with 12618249 with Pump Pulley For 90
Fitment notes — GM GENUINE 251718
with GasketUse with 12618249 with Pump Pulley For 9095 Usage
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DAYCO Fits: 3.8L V6 Supercharged DP999
🇺🇸 US 🇨🇦 CA
Serpentine Belt Driven
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GATES Fits: 3.8L V6 Supercharged 42095
🇺🇸 US 🇨🇦 CA
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GMB Fits: 3.8L V6 Supercharged 1301590
🇺🇸 US 🇨🇦 CA
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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: 3.8L V6 Supercharged 35351
🇺🇸 US 🇨🇦 CA
To BlockExcept Pump Stamped Metal Gasket Only
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FEL-PRO Popular Fits: 3.8L V6 Supercharged 35804
🇺🇸 US 🇨🇦 CA
To BlockPump stamped "Metal gasket only"
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APEX Fits: 3.8L V6 Supercharged AWP3003
🇺🇸 US 🇨🇦 CA
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APEX Fits: 3.8L V6 Supercharged AWP3146
🇺🇸 US 🇨🇦 CA
Pump Stamped "Metal Gasket. Only"
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GM GENUINE Fits: 3.8L V6 Supercharged 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: 3.8L V6 Supercharged K30793
🇺🇸 US 🇨🇦 CA
Paper
Fitment notes — MAHLE / CLEVITE K30793
Paper
Water Pump Mounting Gasket
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MAHLE / CLEVITE Fits: 3.8L V6 Supercharged K32493
🇺🇸 US 🇨🇦 CA
Molded Rubber
Fitment notes — MAHLE / CLEVITE K32493
Molded Rubber
Water Pump Mounting Gasket
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VICTOR REINZ Fits: 3.8L V6 Supercharged 711467500
🇺🇸 US 🇨🇦 CA
Paper
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VICTOR REINZ Fits: 3.8L V6 Supercharged 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.

Water Pump Pulley

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.8L V6 Supercharged 300934
🇺🇸 US 🇨🇦 CA
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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.

Water Pump Stud Kit

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.8L V6 Supercharged 902803
🇺🇸 US 🇨🇦 CA
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This table covers the Water Pump Stud kits.

Buying Cooling System Parts for a 1995 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. Every cooling system part here is 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: Temperature Sender / Sensor and Coolant / Antifreeze .

Frequently Asked Questions

How many cooling system parts fit the 1995 Buick Riviera?

Our catalog currently lists 146 cooling system parts for the 1995 Buick Riviera across 22 subcategories and 42 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 1995 Buick Riviera engines?

Yes. Every cooling system part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. 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 1995 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 1995 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 1995 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 1995 Buick Riviera

Cooling System Parts for Other Buick Riviera Years

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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.