This page lists 138 cooling system parts for the 1990 Honda CRX, across 16 part types, covering both the 1.5L L4 and the 1.6L L4. Every part shows its brand, manufacturer part number and fitment notes.
On the 1990 Honda CRX, 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. Most of the listed parts are Temperature Sender / Sensor (21 parts), Coolant / Antifreeze (20 parts) and Thermostat (19 parts). The other 13 part types cover the remaining 78 parts.
The 1990 Honda CRX was sold with both the 1.5L L4 and the 1.6L L4. 108 parts fit every engine; the other 30 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 1990 Honda CRX cooling system parts are MOTORAD (14 parts), GATES (13 parts) and BECK/ARNLEY (9 parts), plus 45 more brands. Quality grades include Standard Replacement, Economy and Premium.
29 parts on this 1990 Honda CRX page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FVP MV5050GAL (Coolant / Antifreeze) and FAMOUS BRAND 432106 (Radiator). 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 1990 CRX engines | AF3055 | 🇺🇸 US 🇨🇦 CA | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular Fits: all 1990 CRX engines | MV5050GAL | 🇺🇸 US 🇨🇦 CA | Extended LifeAll Makes / All Models | View on Amazon |
| PEAK Fits: all 1990 CRX engines | BQA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| PRESTONE Fits: all 1990 CRX engines | AF3100 | 🇺🇸 US 🇨🇦 CA | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE Fits: all 1990 CRX engines | 719009 | 🇺🇸 US 🇨🇦 CA | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular Fits: all 1990 CRX engines | AF2100 | 🇺🇸 US 🇨🇦 CA | All Vehicles10yr/300k mi | View on Amazon |
| PEAK Fits: all 1990 CRX engines | PKP1GAL | 🇺🇸 US 🇨🇦 CA | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK Fits: all 1990 CRX engines | PXA1GAL | 🇺🇸 US 🇨🇦 CA | 1 GallonGlobal Lifetime | View on Amazon |
| PRESTONE Fits: all 1990 CRX engines | AF6310 | 🇺🇸 US 🇨🇦 CA | MAX Original EquipmentAsian Blue | View on Amazon |
| PRESTONE Fits: all 1990 CRX engines | AFMAX | 🇺🇸 US 🇨🇦 CA | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular Fits: all 1990 CRX engines | ZXEL1 | 🇺🇸 US 🇨🇦 CA | Dex-Cool Orange1 Gallon | View on Amazon |
| VALVOLINE Popular Fits: all 1990 CRX engines | 861398 | 🇺🇸 US 🇨🇦 CA | Asian Vehicle Blue1 Gallon | View on Amazon |
| AISIN Fits: all 1990 CRX engines | ACB003 | 🇺🇸 US 🇨🇦 CA | BlueHOAT | View on Amazon |
| BECK/ARNLEY Fits: all 1990 CRX engines | 2521501 | 🇺🇸 US 🇨🇦 CA | Premium Extra Life BlueAsian | View on Amazon |
| BECK/ARNLEY Fits: all 1990 CRX engines | 2521001 | 🇺🇸 US 🇨🇦 CA | Premium Green1 Gallon | View on Amazon |
| FVP Fits: all 1990 CRX engines | GREEN5050GAL | 🇺🇸 US 🇨🇦 CA | Low Silicate Blend1 Gallon | View on Amazon |
| PEAK Fits: all 1990 CRX engines | PAB1GAL | 🇺🇸 US 🇨🇦 CA | OET Asian Extended Life Blue1 Gallon | View on Amazon |
| PENTOSIN Fits: all 1990 CRX engines | 8115207 | 🇺🇸 US 🇨🇦 CA | Pentofrost A31 Gallon | View on Amazon |
| PRESTONE Fits: all 1990 CRX engines | AF3300 | 🇺🇸 US 🇨🇦 CA | Prime Conventional Green 1 Gallon | View on Amazon |
| VALVOLINE Fits: all 1990 CRX engines | 675130 | 🇺🇸 US 🇨🇦 CA | Asian Vehicle Red1 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.
20 Coolant / Antifreeze parts for the 1990 Honda CRX come from 7 brands — PRESTONE, PEAK, VALVOLINE and 4 other brands. The "Popular" part is FVP MV5050GAL. Every part fits both the 1.5L L4 and the 1.6L L4.
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 5 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, BECK/ARNLEY, AISIN and 4 other brands supply 10 parts: built to original-equipment specification. A representative part number is VALVOLINE ZXEL1.
Coolant Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 1990 CRX engines | 14076S | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| CONTINENTAL Fits: all 1990 CRX engines | 63246 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| DAYCO Fits: all 1990 CRX engines | 86050 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| GATES Fits: all 1990 CRX engines | 18701 | 🇺🇸 US 🇨🇦 CA | Molded5/8" x 13 29/32" | View on Amazon |
This table covers the hard pipes and extra hoses in the coolant circuit.
4 Coolant Hose / Pipe parts for the 1990 Honda CRX come from 4 brands — ACDELCO, CONTINENTAL, DAYCO and 1 other brand. Every part fits both the 1.5L L4 and the 1.6L L4.
This group includes ACDELCO 14076S, CONTINENTAL 63246 and DAYCO 86050 and the remaining parts above.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA Fits: all 1990 CRX engines | HA0718737 | 🇺🇸 US 🇨🇦 CA | Includes Cap | View on Amazon |
| DORMAN Fits: all 1990 CRX engines | 603802 | 🇺🇸 US 🇨🇦 CA | Coolant ReservoirNo Low Fluid Sensor | View on Amazon |
| GPD Fits: all 1990 CRX engines | 2411248 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TECHPRO Fits: all 1990 CRX engines | HO3014108 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
4 Coolant Reservoir parts are listed for the 1990 Honda CRX, from AUTOTECNICA, DORMAN, GPD and 1 other brand. All of them fit every engine offered in the 1990 CRX.
Listed part numbers: AUTOTECNICA HA0718737, DORMAN 603802 and GPD 2411248, plus the other parts above.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 1990 CRX engines | 54370 | 🇺🇸 US 🇨🇦 CA | From VIN LS002373 | 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.
One part is listed for the 1990 Honda CRX — DORMAN 54370.
Cooling Fan Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| US MOTOR WORKS Fits: 1.5L L4 | 16749 | 🇺🇸 US 🇨🇦 CA | Econo Control | View on Amazon |
| US MOTOR WORKS Fits: 1.5L L4 | 16789 | 🇺🇸 US 🇨🇦 CA | Better Control | View on Amazon |
| US MOTOR WORKS Fits: 1.5L L4 | 16795 | 🇺🇸 US 🇨🇦 CA | Best Control | View on Amazon |
This table covers the Cooling Fan control modules.
US MOTOR WORKS supplies the 3 Cooling Fan Control Module parts for the 1990 Honda CRX.
This group includes US MOTOR WORKS 16749, US MOTOR WORKS 16789 and US MOTOR WORKS 16795.
Cooling System Tester Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: all 1990 CRX engines | 31428 | 🇺🇸 US 🇨🇦 CA | May Require Spacer Number 31416 | View on Amazon |
| MOTORAD Fits: all 1990 CRX engines | 3121 | 🇺🇸 US 🇨🇦 CA | StandardRadiator Cap Adapter | View on Amazon |
| MOTORAD Fits: all 1990 CRX engines | 3122 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| STANT Fits: all 1990 CRX engines | 12021 | 🇺🇸 US 🇨🇦 CA | Radiator Cap/Cooling System Tester Adapter | View on Amazon |
This table covers the adapters used to pressure-test this cooling system.
4 Cooling System Tester Adapter parts for the 1990 Honda CRX come from 3 brands — MOTORAD, GATES and STANT. Every part fits both the 1.5L L4 and the 1.6L L4.
Listed part numbers: GATES 31428, MOTORAD 3121 and MOTORAD 3122, plus the other parts above.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND Popular Fits: all 1990 CRX engines | 432106 | 🇺🇸 US 🇨🇦 CA | RADIATOR CAP NOT INCLUDED | View on Amazon |
| GPD Fits: all 1990 CRX engines | 886C | 🇺🇸 US 🇨🇦 CA | Automatic trans.Can Use For M/T with 26-1/4" Core | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular Fits: 1.5L L4 | 2213221 | 🇺🇸 US 🇨🇦 CA | Automatic trans.with Denso Radiator | View on Amazon |
| SPECTRA PREMIUM Popular Fits: all 1990 CRX engines | CU886 | 🇺🇸 US 🇨🇦 CA | with 26.6875 IN X 12.75 IN X 0.625 IN Core | View on Amazon |
| AGILITY Fits: all 1990 CRX engines | 8010886 | 🇺🇸 US 🇨🇦 CA | with 26-1/4" Core | View on Amazon |
| FVP Fits: 1.5L L4 | RAD886 | 🇺🇸 US 🇨🇦 CA | Automatic trans.26-1/4" Wide Core | View on Amazon |
| NISSENS Fits: all 1990 CRX engines | 62276 | 🇺🇸 US 🇨🇦 CA | Base Model | View on Amazon |
| NISSENS Fits: 1.5L L4 | 622551 | 🇺🇸 US 🇨🇦 CA | Base Model | View on Amazon |
| NISSENS Fits: all 1990 CRX engines | 62256 | 🇺🇸 US 🇨🇦 CA | Base ModelManual Transmission | View on Amazon |
| OSC Fits: 1.5L L4 | 886 | 🇺🇸 US 🇨🇦 CA | Automatic trans.26-1/4" Wide Core | View on Amazon |
| SPECTRA PREMIUM Fits: 1.5L L4 | CU10 | 🇺🇸 US 🇨🇦 CA | with 26.25 IN X 12.75 IN X 0.625 IN Core | View on Amazon |
| UAC Fits: all 1990 CRX engines | RA886C | 🇺🇸 US 🇨🇦 CA | Downflow | 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 1990 Honda CRX come from 9 brands — NISSENS, SPECTRA PREMIUM, FAMOUS BRAND and 6 other brands. The "Popular" part is FAMOUS BRAND 432106. 7 parts fit every engine; the other 5 are engine-specific.
The Economy section: 2 options from FAMOUS BRAND and GPD. FAMOUS BRAND 432106 is listed in this group.
Standard Replacement: 10 parts, from NISSENS, SPECTRA PREMIUM, DENSO and 4 other brands. A representative part number is DENSO 2213221.
Radiator Cap
Locking Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT Fits: all 1990 CRX engines | RC0213 | 🇺🇸 US 🇨🇦 CA | PerformanceIncludes 2 seals | View on Amazon |
| GATES Fits: all 1990 CRX engines | 31533 | 🇺🇸 US 🇨🇦 CA | Safety Release Radiator Cap | View on Amazon |
| MOTORAD Fits: all 1990 CRX engines | ST13R | 🇺🇸 US 🇨🇦 CA | Safety Lever | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CSF Popular Fits: 1.5L L4 | 4502 | 🇺🇸 US 🇨🇦 CA | Mini, 13 PSI | View on Amazon |
| MOTORAD Popular Fits: all 1990 CRX engines | T13R | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| SKP Popular Fits: all 1990 CRX engines | SK10227 | 🇺🇸 US 🇨🇦 CA | Pressure Rating 13 psi | View on Amazon |
| GATES Fits: all 1990 CRX engines | 31333 | 🇺🇸 US 🇨🇦 CA | OE Type | 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.
7 Radiator Cap parts for the 1990 Honda CRX come from 5 brands — GATES, MOTORAD, CALORSTAT and 2 other brands. The "Popular" part is CSF 4502. 6 parts fit every engine; the other 1 is engine-specific.
In the Locking Replacement grade, CALORSTAT, GATES and MOTORAD supply 3 parts: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is CALORSTAT RC0213.
Standard Replacement: 4 parts, from CSF, MOTORAD, SKP and 1 other brand. A representative part number is CSF 4502.
Part numbers include CSF 4502, CALORSTAT RC0213 and GATES 31533, among others listed above.
Radiator Drain Petcock
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 1990 CRX engines | 490216 | 🇺🇸 US 🇨🇦 CA | PlasticScrew-In Type | View on Amazon |
This table covers the petcocks used to drain the radiator.
One part is listed for the 1990 Honda CRX — DORMAN 490216.
Radiator Fan Assembly
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: all 1990 CRX engines | 620215 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GPD Fits: all 1990 CRX engines | 2812124 | 🇺🇸 US 🇨🇦 CA | LeftRadiator Side | View on Amazon |
| SKP Fits: all 1990 CRX engines | SK620215 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: all 1990 CRX engines | 75414 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VDO / CONTINENTAL Fits: all 1990 CRX engines | FA70346 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
5 Radiator Fan Assembly parts are listed for the 1990 Honda CRX, from DORMAN, GPD, SKP and 2 other brands. DORMAN 620215 carries the "Popular" badge. All of them fit every engine offered in the 1990 CRX.
Economy: 3 parts, from DORMAN, GPD and SKP. A representative part number is DORMAN 620215.
The Standard Replacement section: 2 options from FOUR SEASONS and VDO / CONTINENTAL. FOUR SEASONS 75414 is listed in this group.
Part numbers include DORMAN 620215, GPD 2812124 and SKP SK620215, among others listed above.
Radiator Fan Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Popular Fits: all 1990 CRX engines | 35407 | 🇺🇸 US 🇨🇦 CA | with Denso Motor | View on Amazon |
| VDO / CONTINENTAL Popular Fits: all 1990 CRX engines | PM3777 | 🇺🇸 US 🇨🇦 CA | Nippondenso Manufactured Unit | View on Amazon |
| ACDELCO Fits: all 1990 CRX engines | 1580408 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| FOUR SEASONS Fits: all 1990 CRX engines | 35288 | 🇺🇸 US 🇨🇦 CA | with Mitsuba Motor | View on Amazon |
| GPD Fits: all 1990 CRX engines | 2311251 | 🇺🇸 US 🇨🇦 CA | Radiator Sidewith Mitsuba Radiator | View on Amazon |
| GPD Fits: all 1990 CRX engines | 2311272 | 🇺🇸 US 🇨🇦 CA | Radiator SideNippondenso | View on Amazon |
| VDO / CONTINENTAL Fits: all 1990 CRX engines | PM3901 | 🇺🇸 US 🇨🇦 CA | Mitsuba Manufactured Unit | 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.
7 Radiator Fan Motor parts for the 1990 Honda CRX come from 4 brands — FOUR SEASONS, VDO / CONTINENTAL, GPD and 1 other brand. The "Popular" part is FOUR SEASONS 35407. Every part fits both the 1.5L L4 and the 1.6L L4.
This group includes FOUR SEASONS 35407, VDO / CONTINENTAL PM3777 and ACDELCO 1580408 and the remaining parts above.
Radiator Hose
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: all 1990 CRX engines | 25150 | 🇺🇸 US 🇨🇦 CA | Flexible | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Popular Fits: all 1990 CRX engines | 71382 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| GATES Popular Fits: all 1990 CRX engines | 21424 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| ACDELCO Fits: all 1990 CRX engines | 20163S | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| ACDELCO Fits: all 1990 CRX engines | 26108X | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| CONTINENTAL Fits: all 1990 CRX engines | 61471 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| CONTINENTAL Fits: all 1990 CRX engines | 61472 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| DAYCO Fits: all 1990 CRX engines | 71227 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| GATES Fits: all 1990 CRX engines | 21432 | 🇺🇸 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.
9 Radiator Hose parts are listed for the 1990 Honda CRX, from GATES, DAYCO, ACDELCO and 1 other brand. DAYCO 71382 carries the "Popular" badge. All of them fit every engine offered in the 1990 CRX.
Economy: 1 part, from GATES. A representative part number is GATES 25150.
The Standard Replacement section: 8 options from DAYCO, GATES, ACDELCO and 1 other brand. DAYCO 71382 is listed in this group.
Listed part numbers: DAYCO 71382, GATES 25150 and GATES 21424, plus the other parts above.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular Fits: all 1990 CRX engines | SK1580154 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular Fits: all 1990 CRX engines | TX37T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| GPD Fits: all 1990 CRX engines | 1711361 | 🇺🇸 US 🇨🇦 CA | with 2 Terminal(s)with M12 x 1.5 Thread | View on Amazon |
| HOLSTEIN Fits: all 1990 CRX engines | 2CTS0121 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP Fits: all 1990 CRX engines | SK1T1000 | 🇺🇸 US 🇨🇦 CA | with Gauge | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 1990 CRX engines | TS172T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 1990 CRX engines | CTS116 | 🇺🇸 US 🇨🇦 CA | Sender | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 1990 CRX engines | CTS22 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VEMO Fits: all 1990 CRX engines | V26720002 | 🇺🇸 US 🇨🇦 CA | Thread Size: M12 X 1.5Plug (Connector): 2 Pins | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular Fits: all 1990 CRX engines | 1580154 | 🇺🇸 US 🇨🇦 CA | HF Model | View on Amazon |
| HELLA Popular Fits: all 1990 CRX engines | 009107511 | 🇺🇸 US 🇨🇦 CA | Bolted | View on Amazon |
| NTK Popular Fits: all 1990 CRX engines | EF0069 | 🇺🇸 US 🇨🇦 CA | Fits HF Model | View on Amazon |
| BECK/ARNLEY Fits: all 1990 CRX engines | 2011530 | 🇺🇸 US 🇨🇦 CA | Switch | View on Amazon |
| DELPHI Fits: all 1990 CRX engines | TS10180 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FACET Fits: all 1990 CRX engines | 73052 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FOUR SEASONS Fits: all 1990 CRX engines | 36426 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA Fits: all 1990 CRX engines | 680005 | 🇺🇸 US 🇨🇦 CA | Sender | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 1990 CRX engines | TX37 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 1990 CRX engines | TS172 | 🇺🇸 US 🇨🇦 CA | with Gauge | View on Amazon |
| WELLS Fits: all 1990 CRX engines | 5S1468 | 🇺🇸 US 🇨🇦 CA | Wiring Harness Included: No | View on Amazon |
| WELLS Fits: all 1990 CRX engines | 1T1000 | 🇺🇸 US 🇨🇦 CA | with Gauge | View on Amazon |
This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender.
21 Temperature Sender / Sensor parts for the 1990 Honda CRX come from 14 brands — STANDARD MOTOR PRODUCTS, SKP, UNITED MOTOR PRODUCTS and 11 other brands. The "Popular" part is SKP SK1580154. Every part fits both the 1.5L L4 and the 1.6L L4.
The Economy section: 9 options from SKP, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 3 other brands. SKP SK1580154 is listed in this group.
Standard Replacement: 12 parts, from BECK/ARNLEY, STANDARD MOTOR PRODUCTS, WELLS and 6 other brands. A representative part number is BECK/ARNLEY 1580154.
Thermostat
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: all 1990 CRX engines | 33568S | 🇺🇸 US 🇨🇦 CA | Premium | View on Amazon |
| GATES Fits: all 1990 CRX engines | 33340S | 🇺🇸 US 🇨🇦 CA | Premium | View on Amazon |
| GATES Fits: all 1990 CRX engines | 33569S | 🇺🇸 US 🇨🇦 CA | Premium | View on Amazon |
| MOTORAD Fits: all 1990 CRX engines | 5242180 | 🇺🇸 US 🇨🇦 CA | Ultra Stat | View on Amazon |
| MOTORAD Fits: all 1990 CRX engines | 5242170 | 🇺🇸 US 🇨🇦 CA | Ultra Stat | View on Amazon |
Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Popular Fits: all 1990 CRX engines | 2042170 | 🇺🇸 US 🇨🇦 CA | High Flow | View on Amazon |
| MOTORAD Fits: all 1990 CRX engines | 2042180 | 🇺🇸 US 🇨🇦 CA | High Flow | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: all 1990 CRX engines | 7242180 | 🇺🇸 US 🇨🇦 CA | Fail-Safe | View on Amazon |
| MOTORAD Fits: all 1990 CRX engines | 7242170 | 🇺🇸 US 🇨🇦 CA | Fail-Safe | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular Fits: all 1990 CRX engines | 1430672 | 🇺🇸 US 🇨🇦 CA | Includes Gasket | View on Amazon |
| BECK/ARNLEY Popular Fits: all 1990 CRX engines | 1430698 | 🇺🇸 US 🇨🇦 CA | Includes Gasket/Seal | View on Amazon |
| GATES Popular Fits: all 1990 CRX engines | 33568 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| BECK/ARNLEY Fits: all 1990 CRX engines | 1430695 | 🇺🇸 US 🇨🇦 CA | Alternate TemperatureGasket/Seal Not Included | View on Amazon |
| FACET Fits: all 1990 CRX engines | 78267 | 🇺🇸 US 🇨🇦 CA | Includes Gasket | View on Amazon |
| JAPANESE OE Fits: all 1990 CRX engines | WV52B82 | 🇺🇸 US 🇨🇦 CA | Tama | View on Amazon |
| MAHLE / CLEVITE Fits: all 1990 CRX engines | TX14478D | 🇺🇸 US 🇨🇦 CA | Includes Gasket or Seal | View on Amazon |
| MOTORAD Fits: all 1990 CRX engines | 242180 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| MOTORAD Fits: all 1990 CRX engines | 242170 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| MOTORAD Fits: all 1990 CRX engines | 242160 | 🇺🇸 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.
19 Thermostat parts are listed for the 1990 Honda CRX, from MOTORAD, GATES, BECK/ARNLEY and 3 other brands. MOTORAD 2042170 carries the "Popular" badge. All of them fit every engine offered in the 1990 CRX.
The Heavy Duty section lists 5 options from GATES and MOTORAD — rated for severe service. GATES 33568S is listed in this group.
In the Performance grade, MOTORAD supplies 2 parts: engineered beyond original-equipment specification. A representative part number is MOTORAD 2042170.
The Premium section: 2 options from MOTORAD. MOTORAD 7242180 is listed in this group.
The Standard Replacement section: 10 options from BECK/ARNLEY, MOTORAD, GATES and 3 other brands. BECK/ARNLEY 1430672 is listed in this group.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 1.6L L4 | 35498 | 🇺🇸 US 🇨🇦 CA | Water Outlet Seal | View on Amazon |
| GATES Popular Fits: 1.6L L4 | 33615 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal - 1 27/32" x 2 13/32" x 7/32" (Grooved, Molded) | View on Amazon |
| MOTORAD Popular Fits: 1.6L L4 | MG83 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| APEX Fits: 1.6L L4 | AWO2048 | 🇺🇸 US 🇨🇦 CA | Water Outlet Seal | View on Amazon |
| APEX Fits: 1.6L L4 | AWO2044 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| BECK/ARNLEY Fits: 1.6L L4 | 0390093 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| CALORSTAT Fits: 1.6L L4 | J134 | 🇺🇸 US 🇨🇦 CA | Inside Diameter: 1.8 In | View on Amazon |
| FACET Fits: 1.6L L4 | 79530 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| FEL-PRO Fits: 1.6L L4 | 35424 | 🇺🇸 US 🇨🇦 CA | Thermostat Housing Seal | View on Amazon |
| MAHLE / CLEVITE Fits: 1.6L L4 | C31058 | 🇺🇸 US 🇨🇦 CA | Molded Rubber | View on Amazon |
| VICTOR REINZ Fits: 1.6L L4 | 711536900 | 🇺🇸 US 🇨🇦 CA | Water Outlet Seal | 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.
11 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 1990 Honda CRX come from 9 brands — FEL-PRO, APEX, GATES and 6 other brands. The "Popular" part is FEL-PRO 35498.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Fits: 1.6L L4 | 1312050 | 🇺🇸 US 🇨🇦 CA | Includes Gasket | View on Amazon |
| SKP Fits: 1.6L L4 | SKAW9130 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| US MOTOR WORKS Fits: 1.6L L4 | US9130 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WJB / INMOTION PARTS Fits: 1.6L L4 | WU9130 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN Popular Fits: 1.6L L4 | WPH002 | 🇺🇸 US 🇨🇦 CA | Includes Gasket | View on Amazon |
| GATES Popular Fits: 1.6L L4 | 41040 | 🇺🇸 US 🇨🇦 CA | Timing belt driven | View on Amazon |
| DAYCO Fits: 1.6L L4 | DP019 | 🇺🇸 US 🇨🇦 CA | Timing Belt Should be Replaced with Water Pump | View on Amazon |
| GMB Fits: 1.6L L4 | 1351260 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GRAF Fits: 1.6L L4 | PA925 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GRAF Fits: 1.6L L4 | PA428 | 🇺🇸 US 🇨🇦 CA | Interference engine applicationTiming Belt Driven | 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 1990 Honda CRX, from GRAF, BECK/ARNLEY, SKP and 6 other brands. AISIN WPH002 carries the "Popular" badge.
Economy: 4 parts, from BECK/ARNLEY, SKP, US MOTOR WORKS and 1 other brand. A representative part number is BECK/ARNLEY 1312050.
The Standard Replacement section: 6 options from GRAF, AISIN, GATES and 2 other brands. AISIN WPH002 is listed in this group.
Buying Cooling System Parts for a 1990 Honda CRX
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 1990 Honda CRX?
Our catalog currently lists 138 cooling system parts for the 1990 Honda CRX across 16 subcategories and 48 brands, covering both the 1.5L L4 and the 1.6L L4. Each part is matched to the engine(s) it fits.
Do cooling system parts differ between 1990 Honda CRX engines?
Some do. 108 parts fit every engine; the other 30 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 1990 Honda CRX?
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 Honda CRX 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 Honda CRX?
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 1990 Honda CRX
Cooling System Parts for Other Honda CRX Years
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