The 2000 Buick Park Avenue has 144 cooling system parts with verified fitment on this page — 21 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 2000 Buick Park Avenue keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. The largest groups are Temperature Sender / Sensor (22 parts), Coolant / Antifreeze (16 parts) and Radiator (12 parts). The other 18 part types cover the remaining 94 parts.
The 2000 Buick Park Avenue was sold with both the 3.8L V6 and the 3.8L V6 Supercharged. 124 parts fit every engine; the other 20 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2000 Buick Park Avenue cooling system parts are MOTORAD (15 parts), GM GENUINE (10 parts) and GATES (8 parts), plus 39 more brands. Quality grades include Standard Replacement, Economy and Premium.
28 parts on this 2000 Buick Park Avenue page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FVP MV5050GAL (Coolant / Antifreeze) and GM GENUINE 1534066 (Coolant Hose / Pipe Seal). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: all 2000 Park Avenue engines | AF3055 | 🇺🇸 US 🇨🇦 CA | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular Fits: all 2000 Park Avenue engines | MV5050GAL | 🇺🇸 US 🇨🇦 CA | Extended LifeAll Makes / All Models | View on Amazon |
| PEAK Fits: all 2000 Park Avenue engines | BQA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| PRESTONE Fits: all 2000 Park Avenue engines | AF3100 | 🇺🇸 US 🇨🇦 CA | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE Fits: all 2000 Park Avenue engines | 719009 | 🇺🇸 US 🇨🇦 CA | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular Fits: all 2000 Park Avenue engines | AF2100 | 🇺🇸 US 🇨🇦 CA | All Vehicles10yr/300k mi | View on Amazon |
| PEAK Fits: all 2000 Park Avenue engines | PKP1GAL | 🇺🇸 US 🇨🇦 CA | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK Fits: all 2000 Park Avenue engines | PXA1GAL | 🇺🇸 US 🇨🇦 CA | 1 GallonGlobal Lifetime | View on Amazon |
| PRESTONE Fits: all 2000 Park Avenue engines | AFMAX | 🇺🇸 US 🇨🇦 CA | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 2000 Park Avenue engines | 105027 | 🇺🇸 US 🇨🇦 CA | DEX-Cool Extended LifeDexcool (with DE-Ionized Water) (with Bitterant) 1 Gallon | View on Amazon |
| VALVOLINE Popular Fits: all 2000 Park Avenue engines | ZXEL1 | 🇺🇸 US 🇨🇦 CA | Dex-Cool Orange1 Gallon | View on Amazon |
| AISIN Fits: all 2000 Park Avenue engines | ACD005 | 🇺🇸 US 🇨🇦 CA | OrangeOAT | View on Amazon |
| FVP Fits: all 2000 Park Avenue engines | DEX5050GAL | 🇺🇸 US 🇨🇦 CA | Extended Life Blend1 Gallon | View on Amazon |
| PRESTONE Fits: all 2000 Park Avenue engines | AF3400 | 🇺🇸 US 🇨🇦 CA | Prime OrangeOrange Compatible | View on Amazon |
| PRESTONE Fits: all 2000 Park Avenue engines | AF850 | 🇺🇸 US 🇨🇦 CA | DEX-Cool Extended Life1 Gallon | View on Amazon |
| VALVOLINE Fits: all 2000 Park Avenue engines | 888374 | 🇺🇸 US 🇨🇦 CA | American Vehicle Orange1 Gallon | View on Amazon |
This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator.
16 Coolant / Antifreeze parts for the 2000 Buick Park Avenue come from 6 brands — PRESTONE, PEAK, VALVOLINE and 3 other brands. The "Popular" part is FVP MV5050GAL. Every part fits both the 3.8L V6 and the 3.8L V6 Supercharged.
In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.
The Economy section lists 4 options from FVP, PEAK, PRESTONE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.
In the Premium grade, PRESTONE and PEAK supply 4 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.
In the Standard Replacement grade, VALVOLINE, PRESTONE, ACDELCO and 2 other brands supply 7 parts: built to original-equipment specification. A representative part number is ACDELCO 105027.
Coolant Air Bleeder
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2000 Park Avenue engines | 902112 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the bleeders used to purge air from the coolant circuit.
One part is listed for the 2000 Buick Park Avenue — DORMAN 902112.
Coolant Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2000 Park Avenue engines | 12565082 | 🇺🇸 US 🇨🇦 CA | Thermostat Bypass | View on Amazon |
| GM GENUINE Fits: all 2000 Park Avenue 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.
2 Coolant Hose / Pipe parts for the 2000 Buick Park Avenue come from GM GENUINE. Every part fits both the 3.8L V6 and the 3.8L V6 Supercharged.
Listed part numbers: GM GENUINE 12565082 and GM GENUINE 24503423.
Coolant Hose / Pipe Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: all 2000 Park Avenue engines | 1534066 | 🇺🇸 US 🇨🇦 CA | 0.674" Diameter | View on Amazon |
| FEL-PRO Fits: all 2000 Park Avenue engines | 36021 | 🇺🇸 US 🇨🇦 CA | Water Bypass Seal | View on Amazon |
| GM GENUINE Fits: all 2000 Park Avenue engines | 24502846 | 🇺🇸 US 🇨🇦 CA | To Front CVRThermostat Bypass Pipe Seal | View on Amazon |
| GM GENUINE Fits: 3.8L V6 Supercharged | 24501563 | 🇺🇸 US 🇨🇦 CA | Fits OutletThrottle Body Heater Hos | View on Amazon |
| MAHLE / CLEVITE Fits: all 2000 Park Avenue engines | C31274 | 🇺🇸 US 🇨🇦 CA | Paper | 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.
5 Coolant Hose / Pipe Seal parts are listed for the 2000 Buick Park Avenue, from GM GENUINE, FEL-PRO and MAHLE / CLEVITE. GM GENUINE 1534066 carries the "Popular" badge. 4 parts fit every engine; the other 1 is engine-specific.
Part numbers include GM GENUINE 1534066, FEL-PRO 36021 and GM GENUINE 24502846, among others listed above.
Coolant Hose Connector / Flange
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: all 2000 Park Avenue engines | 86500 | 🇺🇸 US 🇨🇦 CA | Coolant Coupling | View on Amazon |
This table covers the Coolant Hose Connector flanges.
This group shows a single part: FOUR SEASONS 86500.
Coolant Level Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND Fits: all 2000 Park Avenue engines | SBA3759 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GPD Fits: all 2000 Park Avenue engines | 1712533 | 🇺🇸 US 🇨🇦 CA | Engine Coolant Level Sensor | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2000 Park Avenue engines | FLS17 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: all 2000 Park Avenue 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.
4 Coolant Level Sensor parts for the 2000 Buick Park Avenue come from 4 brands — FAMOUS BRAND, GPD, STANDARD MOTOR PRODUCTS and 1 other brand. Every part fits both the 3.8L V6 and the 3.8L V6 Supercharged.
This group includes FAMOUS BRAND SBA3759, GPD 1712533 and STANDARD MOTOR PRODUCTS FLS17 and the remaining parts above.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO Fits: all 2000 Park Avenue engines | GM3014110 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
One part is listed for the 2000 Buick Park Avenue — TECHPRO GM3014110.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2000 Park Avenue engines | 82590 | 🇺🇸 US 🇨🇦 CA | Coolant Cap | View on Amazon |
| DORMAN Fits: all 2000 Park Avenue engines | 54217 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MOTORAD Fits: all 2000 Park Avenue engines | T31 | 🇺🇸 US 🇨🇦 CA | Standard | 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.
3 Coolant Reservoir Cap parts are listed for the 2000 Buick Park Avenue, from DORMAN and MOTORAD. All of them fit every engine offered in the 2000 Park Avenue.
Listed part numbers: DORMAN 82590, DORMAN 54217 and MOTORAD T31.
Cooling Fan Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| US MOTOR WORKS Fits: all 2000 Park Avenue engines | 16789 | 🇺🇸 US 🇨🇦 CA | Better Control | View on Amazon |
| US MOTOR WORKS Fits: all 2000 Park Avenue engines | 16795 | 🇺🇸 US 🇨🇦 CA | Best Control | View on Amazon |
This table covers the Cooling Fan control modules.
US MOTOR WORKS supplies both parts for the 2000 Buick Park Avenue. All of them fit every engine offered in the 2000 Park Avenue.
Part numbers include US MOTOR WORKS 16789 and US MOTOR WORKS 16795.
Cooling System Tester Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 2000 Park Avenue engines | 12A01 | 🇺🇸 US 🇨🇦 CA | ProfessionalIncluded In Tester | View on Amazon |
| GATES Fits: all 2000 Park Avenue engines | 31413 | 🇺🇸 US 🇨🇦 CA | Cooling System PressureRadiator Cap | View on Amazon |
| MOTORAD Fits: all 2000 Park Avenue engines | 3003 | 🇺🇸 US 🇨🇦 CA | StandardIncluded In Tester Kit | View on Amazon |
This table covers the adapters used to pressure-test this cooling system.
3 Cooling System Tester Adapter parts for the 2000 Buick Park Avenue come from 3 brands — ACDELCO, GATES and MOTORAD. Every part fits both the 3.8L V6 and the 3.8L V6 Supercharged.
This group includes ACDELCO 12A01, GATES 31413 and MOTORAD 3003.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Fits: all 2000 Park Avenue engines | 1880C | 🇺🇸 US 🇨🇦 CA | without LCIwith Transmission Oil Cooler | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SPECTRA PREMIUM Popular Fits: all 2000 Park Avenue engines | CU2349 | 🇺🇸 US 🇨🇦 CA | with Coolant SensorDesign Change From Clip-On To Bolt-On Shroud by The OE Manufacturer | View on Amazon |
| SPECTRA PREMIUM Popular Fits: all 2000 Park Avenue engines | CU2350 | 🇺🇸 US 🇨🇦 CA | without Coolant Sensor | View on Amazon |
| TYC Popular Fits: all 2000 Park Avenue engines | 2350 | 🇺🇸 US 🇨🇦 CA | without Low Coolant Sensor | View on Amazon |
| AGILITY Fits: all 2000 Park Avenue engines | 8012349 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FVP Fits: all 2000 Park Avenue engines | RAD1880 | 🇺🇸 US 🇨🇦 CA | Transmission Oil Cooler Type: Concentric | View on Amazon |
| FVP Fits: all 2000 Park Avenue engines | RAD2349 | 🇺🇸 US 🇨🇦 CA | Transmission Oil Cooler Type: Plated | View on Amazon |
| FVP Fits: all 2000 Park Avenue engines | RAD2350 | 🇺🇸 US 🇨🇦 CA | Replaces 4 Row Original EquipmentGas | View on Amazon |
| OSC Fits: all 2000 Park Avenue engines | 1880 | 🇺🇸 US 🇨🇦 CA | with Low Coolant Sensor | View on Amazon |
| OSC Fits: all 2000 Park Avenue engines | 2349 | 🇺🇸 US 🇨🇦 CA | with Low Coolant Sensor | View on Amazon |
| OSC Fits: all 2000 Park Avenue engines | 2350 | 🇺🇸 US 🇨🇦 CA | Replaces 4 Row Original EquipmentGas | View on Amazon |
| UAC Fits: all 2000 Park Avenue engines | RA2350C | 🇺🇸 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.
12 Radiator parts for the 2000 Buick Park Avenue come from 7 brands — FVP, OSC, SPECTRA PREMIUM and 4 other brands. The "Popular" part is SPECTRA PREMIUM CU2349. Every part fits both the 3.8L V6 and the 3.8L V6 Supercharged.
The Economy section: 1 option from GPD. GPD 1880C is listed in this group.
Standard Replacement: 11 parts, from FVP, OSC, SPECTRA PREMIUM and 3 other brands. A representative part number is SPECTRA PREMIUM CU2349.
Radiator Cap
Locking Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT Fits: all 2000 Park Avenue engines | RC0214 | 🇺🇸 US 🇨🇦 CA | PerformanceIncludes 2 seals | View on Amazon |
| CALORSTAT Fits: all 2000 Park Avenue engines | RC0217 | 🇺🇸 US 🇨🇦 CA | PerformanceIncludes 2 seals | View on Amazon |
| GATES Fits: all 2000 Park Avenue engines | 31516 | 🇺🇸 US 🇨🇦 CA | Safety Release Radiator Cap | View on Amazon |
| MOTORAD Fits: all 2000 Park Avenue engines | ST16V | 🇺🇸 US 🇨🇦 CA | Safety Lever | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 2000 Park Avenue engines | RC27 | 🇺🇸 US 🇨🇦 CA | GM Original Equipmentwith Handle, with Turning Ears | View on Amazon |
| GATES Popular Fits: all 2000 Park Avenue engines | 31523 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| CALORSTAT Fits: all 2000 Park Avenue engines | RC0061 | 🇺🇸 US 🇨🇦 CA | Includes 2 sealsMetallic | View on Amazon |
| MOTORAD Fits: all 2000 Park Avenue engines | T16V | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| SKP Fits: all 2000 Park Avenue 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.
9 Radiator Cap parts for the 2000 Buick Park Avenue come from 5 brands — CALORSTAT, GATES, MOTORAD and 2 other brands. The "Popular" part is ACDELCO RC27. Every part fits both the 3.8L V6 and the 3.8L V6 Supercharged.
In the Locking Replacement grade, CALORSTAT, GATES and MOTORAD supply 4 parts: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is CALORSTAT RC0214.
Standard Replacement: 5 parts, from ACDELCO, GATES, CALORSTAT and 2 other brands. A representative part number is ACDELCO RC27.
Listed part numbers: ACDELCO RC27, CALORSTAT RC0214 and CALORSTAT RC0217, plus the other parts above.
Radiator Fan Assembly
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO Fits: all 2000 Park Avenue engines | GM3115133 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ULTRA-POWER Fits: all 2000 Park Avenue engines | 620644 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AGILITY Popular Fits: all 2000 Park Avenue engines | 6012105 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FOUR SEASONS Popular Fits: all 2000 Park Avenue engines | 75531 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UAC Fits: all 2000 Park Avenue engines | FA70052C | 🇺🇸 US 🇨🇦 CA | Radiator-Condenser Fan Assembly | View on Amazon |
| VDO / CONTINENTAL Fits: all 2000 Park Avenue engines | FA70613 | 🇺🇸 US 🇨🇦 CA | Passenger Side | View on Amazon |
| VDO / CONTINENTAL Fits: all 2000 Park Avenue engines | FA70612 | 🇺🇸 US 🇨🇦 CA | Driver Side | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
7 Radiator Fan Assembly parts are listed for the 2000 Buick Park Avenue, from VDO / CONTINENTAL, TECHPRO, ULTRA-POWER and 3 other brands. AGILITY 6012105 carries the "Popular" badge. All of them fit every engine offered in the 2000 Park Avenue.
Economy: 2 parts, from TECHPRO and ULTRA-POWER. A representative part number is TECHPRO GM3115133.
The Standard Replacement section: 5 options from VDO / CONTINENTAL, AGILITY, FOUR SEASONS and 1 other brand. AGILITY 6012105 is listed in this group.
This group includes AGILITY 6012105, TECHPRO GM3115133 and ULTRA-POWER 620644 and the remaining parts above.
Radiator Fan Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: all 2000 Park Avenue engines | 35656 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
| FOUR SEASONS Fits: all 2000 Park Avenue engines | 35381 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
| GPD Fits: all 2000 Park Avenue engines | 2311317 | 🇺🇸 US 🇨🇦 CA | Driver Side | View on Amazon |
This table covers the Radiator Fan motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
3 Radiator Fan Motor parts for the 2000 Buick Park Avenue come from 2 brands — FOUR SEASONS and GPD. Every part fits both the 3.8L V6 and the 3.8L V6 Supercharged.
This group includes FOUR SEASONS 35656, FOUR SEASONS 35381 and GPD 2311317.
Radiator Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Popular Fits: all 2000 Park Avenue engines | 71952 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| GATES Popular Fits: all 2000 Park Avenue engines | 22328 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| ACDELCO Fits: all 2000 Park Avenue engines | 24372L | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| ACDELCO Fits: all 2000 Park Avenue engines | 24373L | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| CONTINENTAL Fits: all 2000 Park Avenue engines | 62232 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| CONTINENTAL Fits: all 2000 Park Avenue engines | 62224 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| DAYCO Fits: all 2000 Park Avenue engines | 71951 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| GATES Fits: all 2000 Park Avenue engines | 22329 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle.
8 Radiator Hose parts are listed for the 2000 Buick Park Avenue, from DAYCO, GATES, ACDELCO and 1 other brand. DAYCO 71952 carries the "Popular" badge. All of them fit every engine offered in the 2000 Park Avenue.
Part numbers include DAYCO 71952, GATES 22328 and ACDELCO 24372L, among others listed above.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NTK Popular Fits: all 2000 Park Avenue engines | EF0008 | 🇺🇸 US 🇨🇦 CA | Sensor OnlyOval Connector | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2000 Park Avenue engines | TX3T | 🇺🇸 US 🇨🇦 CA | T-SeriesRound Connector | View on Amazon |
| GPD Fits: all 2000 Park Avenue engines | 1711697 | 🇺🇸 US 🇨🇦 CA | with Oval Connectorwith 2 Terminal(s) | View on Amazon |
| HOLSTEIN Fits: all 2000 Park Avenue engines | 2CTS0001 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP Fits: all 2000 Park Avenue engines | SKTX3 | 🇺🇸 US 🇨🇦 CA | 2 Terminal | View on Amazon |
| ULTRA-POWER Fits: all 2000 Park Avenue engines | 5S1018 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2000 Park Avenue engines | CTS3 | 🇺🇸 US 🇨🇦 CA | Sender | View on Amazon |
| VEMO Fits: all 2000 Park Avenue engines | V407203301 | 🇺🇸 US 🇨🇦 CA | Thread Size: 3/8 X 18 NPTPlug (Connector): 2 Pins | View on Amazon |
Full Service Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Fits: all 2000 Park Avenue engines | 21191012 | 🇺🇸 US 🇨🇦 CA | Full Service KitConnector Shape: Circle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 2000 Park Avenue engines | 1551107 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| GM GENUINE Popular Fits: all 2000 Park Avenue engines | 213928 | 🇺🇸 US 🇨🇦 CA | Oval Connector | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2000 Park Avenue engines | TX3 | 🇺🇸 US 🇨🇦 CA | Round Connector | View on Amazon |
| BECK/ARNLEY Fits: all 2000 Park Avenue engines | 1580536 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DELPHI Fits: all 2000 Park Avenue engines | TS10075 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FACET Fits: all 2000 Park Avenue engines | 73129 | 🇺🇸 US 🇨🇦 CA | Terminals: 2 | View on Amazon |
| FOUR SEASONS Fits: all 2000 Park Avenue engines | 36403 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA Fits: all 2000 Park Avenue engines | 009107591 | 🇺🇸 US 🇨🇦 CA | 2-Pin ConnectorBolted | View on Amazon |
| NTK Fits: all 2000 Park Avenue engines | EF0074 | 🇺🇸 US 🇨🇦 CA | with Mating Connector | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2000 Park Avenue engines | TX3K | 🇺🇸 US 🇨🇦 CA | INCLUDES CONNECTOR | View on Amazon |
| WALKER PRODUCTS Fits: all 2000 Park Avenue engines | 2111012 | 🇺🇸 US 🇨🇦 CA | Sensor OnlyCircle Connector | View on Amazon |
| WELLS Fits: all 2000 Park Avenue engines | 5S1018 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Oval | View on Amazon |
| WELLS Fits: all 2000 Park Avenue engines | 5S1474 | 🇺🇸 US 🇨🇦 CA | with Mating Connector | View on Amazon |
This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender.
22 Temperature Sender / Sensor parts for the 2000 Buick Park Avenue come from 17 brands — STANDARD MOTOR PRODUCTS, NTK, WALKER PRODUCTS and 14 other brands. The "Popular" part is NTK EF0008. Every part fits both the 3.8L V6 and the 3.8L V6 Supercharged.
The Economy section: 8 options from NTK, STANDARD MOTOR PRODUCTS, GPD and 5 other brands. NTK EF0008 is listed in this group.
The Full Service Kit section lists 1 option from WALKER PRODUCTS — grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. WALKER PRODUCTS 21191012 is listed in this group.
Standard Replacement: 13 parts, from STANDARD MOTOR PRODUCTS, WELLS, ACDELCO and 8 other brands. A representative part number is ACDELCO 1551107.
Thermostat
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Popular Fits: all 2000 Park Avenue engines | 5239192 | 🇺🇸 US 🇨🇦 CA | Ultra Stat | View on Amazon |
| MOTORAD Fits: all 2000 Park Avenue engines | 5167KTUS | 🇺🇸 US 🇨🇦 CA | Includes housing, Ultra Stat thermostat and sealKit | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: all 2000 Park Avenue engines | 7239192 | 🇺🇸 US 🇨🇦 CA | Fail-Safe | View on Amazon |
| MOTORAD Fits: all 2000 Park Avenue engines | 7239180 | 🇺🇸 US 🇨🇦 CA | Fail-Safe | View on Amazon |
| MOTORAD Fits: all 2000 Park Avenue engines | 5167KTFS | 🇺🇸 US 🇨🇦 CA | Fail-SafeIncludes Housing, Gasket and Seal | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular Fits: all 2000 Park Avenue engines | 33429 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| GM GENUINE Popular Fits: all 2000 Park Avenue engines | 131120 | 🇺🇸 US 🇨🇦 CA | OE Temperature | View on Amazon |
| AISIN Fits: all 2000 Park Avenue engines | THRGM0006 | 🇺🇸 US 🇨🇦 CA | Includes Thermostat Seal | View on Amazon |
| CALORSTAT Fits: all 2000 Park Avenue engines | TH332882 | 🇺🇸 US 🇨🇦 CA | PerformanceDoes Not Include Seal | View on Amazon |
| MOTORAD Fits: all 2000 Park Avenue engines | 239180 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| MOTORAD Fits: all 2000 Park Avenue engines | 239192 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| MOTORAD Fits: all 2000 Park Avenue engines | 5167KT | 🇺🇸 US 🇨🇦 CA | Includes Housing, Thermostat, Gasket and SealKit | View on Amazon |
This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part.
12 Thermostat parts are listed for the 2000 Buick Park Avenue, from MOTORAD, GATES, GM GENUINE and 2 other brands. MOTORAD 5239192 carries the "Popular" badge. All of them fit every engine offered in the 2000 Park Avenue.
The Heavy Duty section lists 2 options from MOTORAD — rated for severe service. MOTORAD 5239192 is listed in this group.
The Premium section: 3 options from MOTORAD. MOTORAD 7239192 is listed in this group.
The Standard Replacement section: 7 options from MOTORAD, GATES, GM GENUINE and 2 other brands. GATES 33429 is listed in this group.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: all 2000 Park Avenue engines | 35666 | 🇺🇸 US 🇨🇦 CA | 1.560 (In) Inside DiameterThermostat Seal | View on Amazon |
| MAHLE / CLEVITE Popular Fits: all 2000 Park Avenue engines | C31349 | 🇺🇸 US 🇨🇦 CA | Beaded Paper | View on Amazon |
| APEX Fits: all 2000 Park Avenue engines | AWO2055 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| GATES Fits: all 2000 Park Avenue engines | 33609 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal - 1 9/16" x 1 41/64" x 17/64" (Grooved, Molded) | View on Amazon |
| GM GENUINE Fits: all 2000 Park Avenue engines | 24506985 | 🇺🇸 US 🇨🇦 CA | Outside Diameter 1.84"Thermostat Seal | View on Amazon |
| MAHLE / CLEVITE Fits: all 2000 Park Avenue engines | C31227 | 🇺🇸 US 🇨🇦 CA | Molded Rubber | View on Amazon |
| MOTORAD Fits: all 2000 Park Avenue engines | MG366 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MOTORAD Fits: all 2000 Park Avenue engines | MG183 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| VICTOR REINZ Fits: all 2000 Park Avenue engines | 711354900 | 🇺🇸 US 🇨🇦 CA | Improved Design | View on Amazon |
| VICTOR REINZ Fits: all 2000 Park Avenue 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.
10 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2000 Buick Park Avenue come from 7 brands — MAHLE / CLEVITE, MOTORAD, VICTOR REINZ and 4 other brands. The "Popular" part is FEL-PRO 35666. Every part fits both the 3.8L V6 and the 3.8L V6 Supercharged.
Thermostat Housing / Water Outlet
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2000 Park Avenue engines | 9022001 | 🇺🇸 US 🇨🇦 CA | Thermostat Housing | View on Amazon |
| GPD Fits: all 2000 Park Avenue engines | 8241409 | 🇺🇸 US 🇨🇦 CA | Water Outlet | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: all 2000 Park Avenue engines | 85167 | 🇺🇸 US 🇨🇦 CA | Water Outlet | View on Amazon |
| MOTORAD Fits: all 2000 Park Avenue engines | CH5167 | 🇺🇸 US 🇨🇦 CA | Includes Gasket | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
4 Thermostat Housing / Water Outlet parts are listed for the 2000 Buick Park Avenue, from DORMAN, GPD, FOUR SEASONS and 1 other brand. All of them fit every engine offered in the 2000 Park Avenue.
Economy: 2 parts, from DORMAN and GPD. A representative part number is DORMAN 9022001.
The Standard Replacement section: 2 options from FOUR SEASONS and MOTORAD. FOUR SEASONS 85167 is listed in this group.
Listed part numbers: DORMAN 9022001, GPD 8241409 and FOUR SEASONS 85167, plus the other parts above.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Fits: 3.8L V6 Supercharged | US5075 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP Fits: 3.8L V6 Supercharged | SK1301780 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| US MOTOR WORKS Fits: 3.8L V6 Supercharged | US5075 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 3.8L V6 Supercharged | 252693 | 🇺🇸 US 🇨🇦 CA | GoldDoes Not Include Mount Bolts | View on Amazon |
| GMB Popular Fits: 3.8L V6 Supercharged | 1301780 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AISIN Fits: 3.8L V6 Supercharged | WPGM607V | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DAYCO Fits: 3.8L V6 Supercharged | DP1927 | 🇺🇸 US 🇨🇦 CA | Standard Gasket | View on Amazon |
| DAYCO Fits: 3.8L V6 Supercharged | DP961 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GATES Fits: 3.8L V6 Supercharged | 42097 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Fits: 3.8L V6 Supercharged | 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.
10 Water Pump parts are listed for the 2000 Buick Park Avenue, from DAYCO, FVP, SKP and 6 other brands. ACDELCO 252693 carries the "Popular" badge.
Economy: 3 parts, from FVP, SKP and US MOTOR WORKS. A representative part number is FVP US5075.
The Standard Replacement section: 7 options from DAYCO, ACDELCO, GMB and 3 other brands. ACDELCO 252693 is listed in this group.
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 | View on Amazon |
| FEL-PRO Popular Fits: 3.8L V6 Supercharged | 35804 | 🇺🇸 US 🇨🇦 CA | To BlockPump stamped "Metal gasket only" | View on Amazon |
| APEX Fits: 3.8L V6 Supercharged | AWP3003 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| APEX Fits: 3.8L V6 Supercharged | AWP3146 | 🇺🇸 US 🇨🇦 CA | Pump Stamped "Metal Gasket. Only" | View on Amazon |
| GM GENUINE Fits: 3.8L V6 Supercharged | 2512047 | 🇺🇸 US 🇨🇦 CA | with Pump Casting 125869482nd Design | View on Amazon |
| MAHLE / CLEVITE Fits: 3.8L V6 Supercharged | K30793 | 🇺🇸 US 🇨🇦 CA | Paper | View on Amazon |
| MAHLE / CLEVITE Fits: 3.8L V6 Supercharged | K32493 | 🇺🇸 US 🇨🇦 CA | Molded Rubber | View on Amazon |
| VICTOR REINZ Fits: 3.8L V6 Supercharged | 711467500 | 🇺🇸 US 🇨🇦 CA | Paper | View on Amazon |
| VICTOR REINZ Fits: 3.8L V6 Supercharged | 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.
9 Water Pump Gasket parts for the 2000 Buick Park Avenue come from 5 brands — FEL-PRO, APEX, MAHLE / CLEVITE and 2 other brands. The "Popular" part is FEL-PRO 35351.
Listed part numbers: FEL-PRO 35351, FEL-PRO 35804 and APEX AWP3003, plus the other parts above.
Buying Cooling System Parts for a 2000 Buick Park Avenue
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: Temperature Sender / Sensor and Coolant / Antifreeze .
Frequently Asked Questions
How many cooling system parts fit the 2000 Buick Park Avenue?
Our catalog currently lists 144 cooling system parts for the 2000 Buick Park Avenue across 21 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 2000 Buick Park Avenue engines?
Some do. 124 parts fit every engine; the other 20 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 2000 Buick Park Avenue?
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 2000 Buick Park Avenue 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 2000 Buick Park Avenue?
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 2000 Buick Park Avenue
Cooling System Parts for Other Buick Park Avenue Years
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