1997 Geo Prizm Cooling System Parts

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. Read more

18 Coolant / Antifreeze parts are listed for the 1997 Geo Prizm, from PRESTONE, PEAK, FVP and 4 other brands. FVP MV5050GAL carries the "Popular" badge. All of them fit every engine offered in the 1997 Prizm.

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, PEAK, PRESTONE and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.

The Heavy Duty section lists 1 option from VALVOLINE — rated for severe service. VALVOLINE ZXG051 is listed in this group.

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 BECK/ARNLEY, PRESTONE, ACDELCO and 3 other brands — built to original-equipment specification. ACDELCO 105027 is listed in this group.

This table covers the Coolant Hose Connector flanges. Read more

One part is listed for the 1997 Geo Prizm — FOUR SEASONS 85146.

This table covers the Cooling Fan control modules. Read more

3 Cooling Fan Control Module parts for the 1997 Geo Prizm come from US MOTOR WORKS.

This group includes US MOTOR WORKS 16749, US MOTOR WORKS 16789 and US MOTOR WORKS 16795.

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

3 Cooling System Tester Adapter parts are listed for the 1997 Geo Prizm, from MOTORAD and GATES. All of them fit every engine offered in the 1997 Prizm.

This group includes GATES 31409, MOTORAD 3124 and MOTORAD 3125.

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. Read more

12 Radiator parts are listed for the 1997 Geo Prizm, from OSC, TECHPRO, CSF and 8 other brands. CSF 2468 carries the "Popular" badge. 11 parts fit every engine; the other 1 is engine-specific.

Economy: 1 part, from TECHPRO. A representative part number is TECHPRO GM3010200.

The Standard Replacement section: 11 options from OSC, CSF, DENSO and 7 other brands. CSF 2468 is listed in this group.

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. Read more

5 Radiator Cap parts are listed for the 1997 Geo Prizm, from MOTORAD, GATES, CSF and 1 other brand. GATES 31411 carries the "Popular" badge. All of them fit every engine offered in the 1997 Prizm.

The Locking Replacement section lists 1 option from MOTORAD — grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. MOTORAD ST36 is listed in this group.

The Standard Replacement section: 4 options from GATES, CSF, MOTORAD and 1 other brand. GATES 31411 is listed in this group.

Part numbers include GATES 31411, MOTORAD ST36 and CSF 4513, among others listed above.

This table covers the petcocks used to drain the radiator. Read more

This group shows a single part: DORMAN 61136.

This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator. Read more

6 Radiator Fan Assembly parts for the 1997 Geo Prizm come from 6 brands — ULTRA-POWER, GPD, TECHPRO and 3 other brands. The "Popular" part is ULTRA-POWER 620500. 5 parts fit every engine; the other 1 is engine-specific.

The Economy section: 3 options from ULTRA-POWER, GPD and TECHPRO. ULTRA-POWER 620500 is listed in this group.

Standard Replacement: 3 parts, from FOUR SEASONS, TYC and VDO / CONTINENTAL. A representative part number is FOUR SEASONS 75242.

Listed part numbers: ULTRA-POWER 620500, GPD 2811256 and TECHPRO GM3115113, plus the other parts above.

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. Read more

4 Radiator Fan Motor parts are listed for the 1997 Geo Prizm, from ACDELCO, FOUR SEASONS, GPD and 1 other brand. All of them fit every engine offered in the 1997 Prizm.

Part numbers include ACDELCO 1580408, FOUR SEASONS 35407 and GPD 2311272, among others listed above.

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. Read more

12 Radiator Hose parts for the 1997 Geo Prizm come from 4 brands — DAYCO, ACDELCO, GATES and 1 other brand. The "Popular" part is DAYCO 71780. 9 parts fit every engine; the other 3 are engine-specific.

The Economy section: 4 options from ACDELCO, CONTINENTAL, DAYCO and 1 other brand. ACDELCO 31615 is listed in this group.

Standard Replacement: 8 parts, from DAYCO, GATES, ACDELCO and 1 other brand. A representative part number is DAYCO 71780.

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. Read more

25 Temperature Sender / Sensor parts are listed for the 1997 Geo Prizm, from STANDARD MOTOR PRODUCTS, GPD, UNITED MOTOR PRODUCTS and 14 other brands. SKP SKTS10198 carries the "Popular" badge. 23 parts fit every engine; the other 2 are engine-specific.

Economy: 9 parts, from GPD, UNITED MOTOR PRODUCTS, SKP and 4 other brands. A representative part number is SKP SKTS10198.

The Standard Replacement section: 16 options from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, ACDELCO and 8 other brands. FOUR SEASONS 36424 is listed in this group.

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. Read more

15 Thermostat parts for the 1997 Geo Prizm come from 5 brands — MOTORAD, BECK/ARNLEY, GATES and 2 other brands. The "Popular" part is MOTORAD 2014180. Every part fits both the 1.6L L4 and the 1.8L L4.

Heavy Duty: 2 parts, from GATES and MOTORAD. A representative part number is GATES 33708S.

The Performance section lists 2 options from MOTORAD — engineered beyond original-equipment specification. MOTORAD 2014180 is listed in this group.

Premium: 2 parts, from MOTORAD. A representative part number is MOTORAD 7214180.

Standard Replacement: 9 parts, from MOTORAD, BECK/ARNLEY, CALORSTAT and 2 other brands. A representative part number is MOTORAD 214180.

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. Read more

11 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 1997 Geo Prizm, from FEL-PRO, APEX, VICTOR REINZ and 5 other brands. FEL-PRO 35292 carries the "Popular" badge. All of them fit every engine offered in the 1997 Prizm.

This table covers the housings and outlets the thermostat sits in. Read more

4 Thermostat Housing / Water Outlet parts for the 1997 Geo Prizm come from 4 brands — DORMAN, FAMOUS BRAND, GPD and 1 other brand. Every part fits both the 1.6L L4 and the 1.8L L4.

The Economy section: 3 options from DORMAN, FAMOUS BRAND and GPD. DORMAN 9025047 is listed in this group.

Standard Replacement: 1 part, from MOTORAD. A representative part number is MOTORAD CH6047.

Listed part numbers: DORMAN 9025047, FAMOUS BRAND 85146 and GPD 8241394, plus the other parts above.

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. Read more

24 Water Pump parts for the 1997 Geo Prizm come from 12 brands — GMB, US MOTOR WORKS, GRAF and 9 other brands. The "Popular" part is SKP SK1701830.

The Economy section: 11 options from US MOTOR WORKS, SKP, WJB / INMOTION PARTS and 3 other brands. SKP SK1701830 is listed in this group.

Standard Replacement: 13 parts, from GMB, GRAF, AISIN and 3 other brands. A representative part number is AISIN WPT108.

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. Read more

7 Water Pump Gasket parts are listed for the 1997 Geo Prizm, from FEL-PRO, VICTOR REINZ, APEX and 2 other brands. FEL-PRO ES72073 carries the "Popular" badge. 4 parts fit every engine; the other 3 are engine-specific.

Listed part numbers: FEL-PRO ES72073, FEL-PRO 35235 and APEX AWP3045, plus the other parts above.

This table covers the Water Pump Seal O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

This group shows a single part: MAHLE / CLEVITE GS33729.