136 Cooling system parts are listed for the 1990 Buick Electra, in 18 part types, covering the 3.8L 231cid V6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The cooling system system on the 1990 Buick Electra 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 (24 parts), Coolant / Antifreeze (17 parts) and Thermostat (16 parts). The other 15 part types cover the remaining 79 parts.
The 1990 Buick Electra came with a single engine, the 3.8L 231cid V6, and every part is verified against it.
41 brands supply cooling system parts for the 1990 Buick Electra, led by MOTORAD (17 parts), GATES (12 parts) and PEAK (7 parts), plus 38 more brands. Quality grades include Standard Replacement, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1990 Buick Electra. 25 parts have it, including FVP MV5050GAL (Coolant / Antifreeze) and SPECTRA PREMIUM CU921 (Radiator). Each part number opens a page with every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3055 | 🇺🇸 US 🇨🇦 CA | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | MV5050GAL | 🇺🇸 US 🇨🇦 CA | Extended LifeAll Makes / All Models | View on Amazon |
| PRESTONE Popular | AF3100 | 🇺🇸 US 🇨🇦 CA | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| VALVOLINE | 719009 | 🇺🇸 US 🇨🇦 CA | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US 🇨🇦 CA | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇺🇸 US 🇨🇦 CA | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US 🇨🇦 CA | 1 GallonGlobal Lifetime | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US 🇨🇦 CA | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | DEX5050GAL | 🇺🇸 US 🇨🇦 CA | Extended Life Blend1 Gallon | View on Amazon |
| FVP | GREEN5050GAL | 🇺🇸 US 🇨🇦 CA | Low Silicate Blend1 Gallon | View on Amazon |
| PEAK | BMA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Conventional Green1 Gallon | View on Amazon |
| PEAK | RUA1GAL | 🇺🇸 US 🇨🇦 CA | Conventional Green1 Gallon | View on Amazon |
| PEAK | FFA1GAL | 🇺🇸 US 🇨🇦 CA | Full Force Conventional Green1 Gallon | View on Amazon |
| PEAK | SEP1GAL | 🇺🇸 US 🇨🇦 CA | Sierra Conventional Green Concentrate Low Toxic Option1 Gallon | View on Amazon |
| PRESTONE | AF3300 | 🇺🇸 US 🇨🇦 CA | Prime Conventional Green 1 Gallon | View on Amazon |
| VALVOLINE | ZX001 | 🇺🇸 US 🇨🇦 CA | Original Green1 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.
17 Coolant / Antifreeze parts are listed for the 1990 Buick Electra, from PEAK, PRESTONE, FVP and 1 other brand. FVP MV5050GAL carries the "Popular" badge.
The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.
In the Economy grade, FVP, PRESTONE, PEAK and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.
The Premium section lists 4 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.
The Standard Replacement section lists 8 options from PEAK, FVP, PRESTONE and 1 other brand — built to original-equipment specification. FVP DEX5050GAL is listed in this group.
Coolant Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL | 63033 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| DAYCO | 71376 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| GATES | 18423 | 🇺🇸 US 🇨🇦 CA | Molded1/2" x 9 11/16" | View on Amazon |
This table covers the hard pipes and extra hoses in the coolant circuit.
3 Coolant Hose / Pipe parts are listed for the 1990 Buick Electra, from CONTINENTAL, DAYCO and GATES.
Part numbers include CONTINENTAL 63033, DAYCO 71376 and GATES 18423.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 82590 | 🇺🇸 US 🇨🇦 CA | Coolant Cap | View on Amazon |
| DORMAN | 54217 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MOTORAD | 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 for the 1990 Buick Electra come from 2 brands — DORMAN and MOTORAD.
This group includes DORMAN 82590, DORMAN 54217 and MOTORAD T31.
Cooling Fan Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| US MOTOR WORKS | 16749 | 🇺🇸 US 🇨🇦 CA | Econo Control | View on Amazon |
| US MOTOR WORKS | 16789 | 🇺🇸 US 🇨🇦 CA | Better Control | View on Amazon |
| US MOTOR WORKS | 16795 | 🇺🇸 US 🇨🇦 CA | Best Control | View on Amazon |
This table covers the Cooling Fan control modules.
3 Cooling Fan Control Module parts for the 1990 Buick Electra come from US MOTOR WORKS.
Listed part numbers: US MOTOR WORKS 16749, US MOTOR WORKS 16789 and US MOTOR WORKS 16795.
Cooling System Tester Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 12A01 | 🇺🇸 US 🇨🇦 CA | ProfessionalIncluded In Tester | View on Amazon |
| GATES | 31413 | 🇺🇸 US 🇨🇦 CA | Cooling System PressureRadiator Cap | View on Amazon |
| MOTORAD | 3003 | 🇺🇸 US 🇨🇦 CA | StandardIncluded In Tester Kit | View on Amazon |
This table covers the adapters used to pressure-test this cooling system.
3 Cooling System Tester Adapter parts are listed for the 1990 Buick Electra, from ACDELCO, GATES and MOTORAD.
Part numbers include ACDELCO 12A01, GATES 31413 and MOTORAD 3003.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 921C | 🇺🇸 US 🇨🇦 CA | without LCI28-1/4 In Core Width | View on Amazon |
Premium (All Aluminum Construction)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LILAND GLOBAL | 396AA | 🇺🇸 US 🇨🇦 CA | All AluminumCore Height: 30-1/2 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SPECTRA PREMIUM Popular | CU921 | 🇺🇸 US 🇨🇦 CA | with 28.25 IN Between Tankswithout Coolant Level Indicator | View on Amazon |
| SPECTRA PREMIUM Popular | CU1202 | 🇺🇸 US 🇨🇦 CA | with 30.5 IN Between Tankswithout Engine Oil Cooler | View on Amazon |
| AGILITY | 8011202 | 🇺🇸 US 🇨🇦 CA | with Transmission Oil Cooler | View on Amazon |
| AGILITY | 8010921 | 🇺🇸 US 🇨🇦 CA | with 28-1/4" Corewith 1-1/4 inch Core Depth | View on Amazon |
| FVP | RAD921 | 🇺🇸 US 🇨🇦 CA | 28-1/4" Core | View on Amazon |
| OSC | 396 | 🇺🇸 US 🇨🇦 CA | 30-1/2" CORE | View on Amazon |
| OSC | 921 | 🇺🇸 US 🇨🇦 CA | 28-1/4" Core | View on Amazon |
| UAC | RA767C | 🇺🇸 US 🇨🇦 CA | with 30.5 Core Height | 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.
10 Radiator parts are listed for the 1990 Buick Electra, from SPECTRA PREMIUM, AGILITY, OSC and 4 other brands. SPECTRA PREMIUM CU921 carries the "Popular" badge.
Economy: 1 part, from GPD. A representative part number is GPD 921C.
In the Premium (All Aluminum Construction) grade, LILAND GLOBAL supplies 1 part: a step above OE specification in materials, tolerances or warranty terms. A representative part number is LILAND GLOBAL 396AA.
The Standard Replacement section: 8 options from SPECTRA PREMIUM, AGILITY, OSC and 2 other brands. SPECTRA PREMIUM CU921 is listed in this group.
Radiator Cap
Locking Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT | RC0214 | 🇺🇸 US 🇨🇦 CA | PerformanceIncludes 2 seals | View on Amazon |
| CALORSTAT | RC0217 | 🇺🇸 US 🇨🇦 CA | PerformanceIncludes 2 seals | View on Amazon |
| GATES | 31516 | 🇺🇸 US 🇨🇦 CA | Safety Release Radiator Cap | View on Amazon |
| MOTORAD | ST16V | 🇺🇸 US 🇨🇦 CA | Safety Lever | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | RC27 | 🇺🇸 US 🇨🇦 CA | GM Original Equipmentwith Handle, with Turning Ears | View on Amazon |
| GATES Popular | 31523 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| MOTORAD | T16V | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| SKP | SK10231 | 🇺🇸 US 🇨🇦 CA | Pressure Rating 16 psi | View on Amazon |
This table covers the caps that hold system pressure at the radiator or reservoir neck. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.
8 Radiator Cap parts are listed for the 1990 Buick Electra, from CALORSTAT, GATES, MOTORAD and 2 other brands. ACDELCO RC27 carries the "Popular" badge.
The Locking Replacement section lists 4 options from CALORSTAT, GATES and MOTORAD — grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. CALORSTAT RC0214 is listed in this group.
The Standard Replacement section: 4 options from ACDELCO, GATES, MOTORAD and 1 other brand. ACDELCO RC27 is listed in this group.
This group includes ACDELCO RC27, CALORSTAT RC0214 and CALORSTAT RC0217 and the remaining parts above.
Radiator Drain Petcock
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 490232 | 🇺🇸 US 🇨🇦 CA | PlasticPush-In Threaded Lock | View on Amazon |
| DORMAN | 43177 | 🇺🇸 US 🇨🇦 CA | BrassOutlet | View on Amazon |
This table covers the petcocks used to drain the radiator.
2 Radiator Drain Petcock parts for the 1990 Buick Electra come from DORMAN.
Listed part numbers: DORMAN 490232 and DORMAN 43177.
Radiator Fan Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UAC | FA50210C | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
This group shows a single part: UAC FA50210C.
Radiator Fan Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Popular | 35656 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
| FOUR SEASONS | 35694 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
| GPD | 2311317 | 🇺🇸 US 🇨🇦 CA | Driver Side | View on Amazon |
| VDO / CONTINENTAL | PM517 | 🇺🇸 US 🇨🇦 CA | Driver Side | View on Amazon |
| VDO / CONTINENTAL | PM538 | 🇺🇸 US 🇨🇦 CA | Motor Diameter: 3.250 In | View on Amazon |
This table covers the Radiator Fan motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
5 Radiator Fan Motor parts are listed for the 1990 Buick Electra, from FOUR SEASONS, VDO / CONTINENTAL and GPD. FOUR SEASONS 35656 carries the "Popular" badge.
Listed part numbers: FOUR SEASONS 35656, FOUR SEASONS 35694 and GPD 2311317, plus the other parts above.
Radiator Hose
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 31639 | 🇺🇸 US 🇨🇦 CA | Gold / ProfessionalFlexible | View on Amazon |
| GATES Popular | 25482 | 🇺🇸 US 🇨🇦 CA | Flexible | View on Amazon |
| ACDELCO | 31615 | 🇺🇸 US 🇨🇦 CA | Gold / ProfessionalFlexible | View on Amazon |
| CONTINENTAL | 52021 | 🇺🇸 US 🇨🇦 CA | FlexibleDoes Not include seals | View on Amazon |
| DAYCO | 81061 | 🇺🇸 US 🇨🇦 CA | Flex Radiator Hose | View on Amazon |
| DAYCO | 81490 | 🇺🇸 US 🇨🇦 CA | Flex Radiator Hose | View on Amazon |
| GATES | 25257 | 🇺🇸 US 🇨🇦 CA | Flexible | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Popular | 71500 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| ACDELCO | 24215L | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| CONTINENTAL | 61546 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| CONTINENTAL | 61494 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| DAYCO | 71375 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| GATES | 21665 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| GATES | 21585 | 🇺🇸 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.
14 Radiator Hose parts for the 1990 Buick Electra come from 4 brands — GATES, DAYCO, ACDELCO and 1 other brand. The "Popular" part is ACDELCO 31639.
The Economy section: 7 options from ACDELCO, GATES, DAYCO and 1 other brand. ACDELCO 31639 is listed in this group.
Standard Replacement: 7 parts, from DAYCO, CONTINENTAL, GATES and 1 other brand. A representative part number is DAYCO 71500.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NTK Popular | EF0008 | 🇺🇸 US 🇨🇦 CA | Sensor OnlyOval Connector | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | TX3T | 🇺🇸 US 🇨🇦 CA | T-SeriesRound Connector | View on Amazon |
| GPD | 1711697 | 🇺🇸 US 🇨🇦 CA | with Oval Connectorwith 2 Terminal(s) | View on Amazon |
| HOLSTEIN | 2CTS0001 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP | SKTX3 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ULTRA-POWER | 5S1018 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| UNITED MOTOR PRODUCTS | CTS3 | 🇺🇸 US 🇨🇦 CA | Sender | View on Amazon |
| UNITED MOTOR PRODUCTS | CTS126 | 🇺🇸 US 🇨🇦 CA | Sender | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 1551107 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| GM GENUINE Popular | 213928 | 🇺🇸 US 🇨🇦 CA | Oval Connector | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | TX3 | 🇺🇸 US 🇨🇦 CA | Round Connector | View on Amazon |
| BECK/ARNLEY | 1580536 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DELPHI | TS10075 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FOUR SEASONS | 36403 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA | 009107591 | 🇺🇸 US 🇨🇦 CA | 2-Pin ConnectorBolted | View on Amazon |
| NTK | EF0074 | 🇺🇸 US 🇨🇦 CA | with Mating Connector | View on Amazon |
| ROSTRA | 680053 | 🇺🇸 US 🇨🇦 CA | Sender | View on Amazon |
| STANDARD MOTOR PRODUCTS | TS186 | 🇺🇸 US 🇨🇦 CA | with Gaugewith Digital Dash | View on Amazon |
| STANDARD MOTOR PRODUCTS | TS178 | 🇺🇸 US 🇨🇦 CA | with Gaugewithout Digital Dash | View on Amazon |
| STANDARD MOTOR PRODUCTS | TX3K | 🇺🇸 US 🇨🇦 CA | INCLUDES CONNECTOR | View on Amazon |
| WALKER PRODUCTS | 2112001 | 🇺🇸 US 🇨🇦 CA | Sender Only | View on Amazon |
| WELLS | 5S1018 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Oval | View on Amazon |
| WELLS | 1T1050 | 🇺🇸 US 🇨🇦 CA | with Gauge | View on Amazon |
| WELLS | 5S1474 | 🇺🇸 US 🇨🇦 CA | with Mating Connector | View on Amazon |
This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender.
24 Temperature Sender / Sensor parts are listed for the 1990 Buick Electra, from STANDARD MOTOR PRODUCTS, WELLS, NTK and 13 other brands. NTK EF0008 carries the "Popular" badge.
Economy: 8 parts, from UNITED MOTOR PRODUCTS, NTK, STANDARD MOTOR PRODUCTS and 4 other brands. A representative part number is NTK EF0008.
The Standard Replacement section: 16 options from STANDARD MOTOR PRODUCTS, WELLS, ACDELCO and 8 other brands. ACDELCO 1551107 is listed in this group.
Thermostat
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | 5203180 | 🇺🇸 US 🇨🇦 CA | Ultra Stat | View on Amazon |
| MOTORAD | 5203195 | 🇺🇸 US 🇨🇦 CA | Ultra Stat | View on Amazon |
Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | 2003195 | 🇺🇸 US 🇨🇦 CA | High Flow | View on Amazon |
| MOTORAD | 2003180 | 🇺🇸 US 🇨🇦 CA | High Flow | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | 7203192 | 🇺🇸 US 🇨🇦 CA | Fail Safe | View on Amazon |
| MOTORAD | 7203180 | 🇺🇸 US 🇨🇦 CA | Fail-Safe | View on Amazon |
| MOTORAD | 7203160 | 🇺🇸 US 🇨🇦 CA | Fail-Safe | View on Amazon |
| MOTORAD | 7203195 | 🇺🇸 US 🇨🇦 CA | Fail-Safe | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular | 33429 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| GM GENUINE Popular | 131115 | 🇺🇸 US 🇨🇦 CA | Includes GasketOE Temperature | View on Amazon |
| MOTORAD Popular | 203180 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| MOTORAD Popular | 203195 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| CALORSTAT | TH096380 | 🇺🇸 US 🇨🇦 CA | PerformanceDoes Not Include Seal | View on Amazon |
| CALORSTAT | TH096393 | 🇺🇸 US 🇨🇦 CA | PerformanceDoes Not Include Seal | View on Amazon |
| GATES | 33428 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| MOTORAD | 203160 | 🇺🇸 US 🇨🇦 CA | Standard | 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.
16 Thermostat parts for the 1990 Buick Electra come from 4 brands — MOTORAD, GATES, CALORSTAT and 1 other brand. The "Popular" part is GATES 33429.
In the Heavy Duty grade, MOTORAD supplies 2 parts: rated for severe service. A representative part number is MOTORAD 5203180.
The Performance section lists 2 options from MOTORAD — engineered beyond original-equipment specification. MOTORAD 2003195 is listed in this group.
Premium: 4 parts, from MOTORAD. A representative part number is MOTORAD 7203192.
Standard Replacement: 8 parts, from MOTORAD, GATES, CALORSTAT and 1 other brand. A representative part number is GATES 33429.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular | 35608 | 🇺🇸 US 🇨🇦 CA | O-Ring Type | View on Amazon |
| MOTORAD Popular | MG183 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| APEX | AWO2003 | 🇺🇸 US 🇨🇦 CA | O-Ring Type | View on Amazon |
| APEX | AWO2042 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| FEL-PRO | 35126 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| GATES | 33609 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal - 1 9/16" x 1 41/64" x 17/64" (Grooved, Molded) | View on Amazon |
| MAHLE / CLEVITE | 72222 | 🇺🇸 US 🇨🇦 CA | Distributor GasketMolded Rubber | View on Amazon |
| ROL GASKETS | WO8307001 | 🇺🇸 US 🇨🇦 CA | Fits Water Outlet GasketRUBBER O-RING | 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.
8 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 1990 Buick Electra, from FEL-PRO, APEX, MOTORAD and 3 other brands. FEL-PRO 35608 carries the "Popular" badge.
This group includes FEL-PRO 35608, MOTORAD MG183 and APEX AWO2003 and the remaining parts above.
Thermostat Housing / Water Outlet
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 9022025 | 🇺🇸 US 🇨🇦 CA | Thermostat Housing | View on Amazon |
| GPD | 8241351 | 🇺🇸 US 🇨🇦 CA | Water Outlet | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS | 84969 | 🇺🇸 US 🇨🇦 CA | Water Outlet | View on Amazon |
| MOTORAD | CH3025 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
4 Thermostat Housing / Water Outlet parts for the 1990 Buick Electra come from 4 brands — DORMAN, GPD, FOUR SEASONS and 1 other brand.
The Economy section: 2 options from DORMAN and GPD. DORMAN 9022025 is listed in this group.
Standard Replacement: 2 parts, from FOUR SEASONS and MOTORAD. A representative part number is FOUR SEASONS 84969.
Part numbers include DORMAN 9022025, GPD 8241351 and FOUR SEASONS 84969, among others listed above.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CARDONE | 58332 | 🇺🇸 US 🇨🇦 CA | RemanufacturedIncludes Gasket | View on Amazon |
| FVP | US5050 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP | SK1301590 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| US MOTOR WORKS | US5050 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WJB / INMOTION PARTS | WU5050N | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WJB / INMOTION PARTS | WU5050 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 252694 | 🇺🇸 US 🇨🇦 CA | GoldDoes Not Include Mount Bolts | View on Amazon |
| GATES Popular | 42095 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DAYCO | DP999 | 🇺🇸 US 🇨🇦 CA | Serpentine Belt Driven | View on Amazon |
| GMB | 1301590 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the pumps that circulate coolant through the block and radiator. Typical signs include coolant at the weep hole, pulley play, or a growl from the front of the engine. Replace the thermostat and refill with the specified coolant whenever the pump comes off.
10 Water Pump parts for the 1990 Buick Electra come from 9 brands — WJB / INMOTION PARTS, CARDONE, FVP and 6 other brands. The "Popular" part is ACDELCO 252694.
The Economy section: 6 options from WJB / INMOTION PARTS, CARDONE, FVP and 2 other brands. CARDONE 58332 is listed in this group.
Standard Replacement: 4 parts, from ACDELCO, GATES, DAYCO and 1 other brand. A representative part number is ACDELCO 252694.
Water Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX | AWP3003 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO | 35351 | 🇺🇸 US 🇨🇦 CA | To Block | View on Amazon |
| MAHLE / CLEVITE | K30793 | 🇺🇸 US 🇨🇦 CA | Paper | View on Amazon |
| VICTOR REINZ | 711467500 | 🇺🇸 US 🇨🇦 CA | Paper | 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.
4 Water Pump Gasket parts are listed for the 1990 Buick Electra, from APEX, FEL-PRO, MAHLE / CLEVITE and 1 other brand.
Part numbers include APEX AWP3003, FEL-PRO 35351 and MAHLE / CLEVITE K30793, among others listed above.
Water Pump Stud Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 902803 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Water Pump Stud kits.
This group shows a single part: DORMAN 902803.
Buying Cooling System Parts for a 1990 Buick Electra
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Confirm you have the 3.8L 231cid V6 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Temperature Sender / Sensor and Coolant / Antifreeze .
Frequently Asked Questions
How many cooling system parts fit the 1990 Buick Electra?
Our catalog currently lists 136 cooling system parts for the 1990 Buick Electra across 18 subcategories and 41 brands, covering the 3.8L 231cid V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 1990 Buick Electra?
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 1990 Buick Electra 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 1990 Buick Electra?
Every part on this page is matched to the 3.8L 231cid V6 engine. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1990 Buick Electra
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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.