1993 Geo Storm 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

17 Coolant / Antifreeze parts for the 1993 Geo Storm come from 4 brands — PEAK, PRESTONE, FVP and 1 other brand. The "Popular" part is FVP MV5050GAL. Every part fits both the 1.6L L4 and the 1.8L 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 Heavy Duty grade, VALVOLINE supplies 1 part: rated for severe service. A representative part number is VALVOLINE ZXG051.

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, PEAK, FVP and PRESTONE supply 7 parts: built to original-equipment specification. A representative part number is FVP DEX5050GAL.

This table covers the hard pipes and extra hoses in the coolant circuit. Read more

This group shows a single part: CONTINENTAL 63032.

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. Read more

2 Coolant Hose / Pipe Seal parts are listed for the 1993 Geo Storm, from FEL-PRO and VICTOR REINZ.

Listed part numbers: FEL-PRO 35654 and VICTOR REINZ 411043200.

This table covers the Cooling Fan control modules. Read more

US MOTOR WORKS supplies the 3 Cooling Fan Control Module parts for the 1993 Geo Storm.

Part numbers include 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

4 Cooling System Tester Adapter parts for the 1993 Geo Storm come from 3 brands — MOTORAD, GATES and STANT. Every part fits both the 1.6L L4 and the 1.8L L4.

This group includes GATES 31428, MOTORAD 3121 and MOTORAD 3122 and the remaining parts above.

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

11 Radiator parts for the 1993 Geo Storm come from 7 brands — TECHPRO, FVP, ULTRA-POWER and 4 other brands. The "Popular" part is ULTRA-POWER 1117.

The Economy section: 6 options from TECHPRO, ULTRA-POWER and GPD. ULTRA-POWER 1117 is listed in this group.

Standard Replacement: 5 parts, from FVP, AGILITY, KOYORAD and 1 other brand. A representative part number is AGILITY 8011117.

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

6 Radiator Cap parts for the 1993 Geo Storm come from 4 brands — GATES, MOTORAD, CALORSTAT and 1 other brand. The "Popular" part is MOTORAD T16R. Every part fits both the 1.6L L4 and the 1.8L L4.

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 RC0212.

Standard Replacement: 3 parts, from MOTORAD, SKP and GATES. A representative part number is MOTORAD T16R.

This group includes MOTORAD T16R, CALORSTAT RC0212 and GATES 31534 and the remaining parts above.

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

One part is listed for the 1993 Geo Storm — DORMAN 490216.

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

7 Radiator Fan Motor parts for the 1993 Geo Storm come from 4 brands — FOUR SEASONS, VDO / CONTINENTAL, ACDELCO and 1 other brand. The "Popular" part is FOUR SEASONS 35407. 6 parts fit every engine; the other 1 is engine-specific.

Part numbers include FOUR SEASONS 35407, VDO / CONTINENTAL PM3777 and ACDELCO 1580408, 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 are listed for the 1993 Geo Storm, from DAYCO, GATES, ACDELCO and 1 other brand. DAYCO 81051 carries the "Popular" badge. 2 parts fit every engine; the other 10 are engine-specific.

Economy: 5 parts, from CONTINENTAL, DAYCO, GATES and 1 other brand. A representative part number is DAYCO 81051.

The Standard Replacement section: 7 options from GATES, ACDELCO, DAYCO and 1 other brand. GATES 21952 is listed in this group.

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

28 Temperature Sender / Sensor parts for the 1993 Geo Storm come from 16 brands — STANDARD MOTOR PRODUCTS, SKP, WELLS and 13 other brands. The "Popular" part is NTK EF0008. Grades run from Economy through Standard Replacement; Standard Replacement is the most populated section, led by STANDARD MOTOR PRODUCTS, WELLS, BECK/ARNLEY and 8 other brands.

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

43 Thermostat parts are listed for the 1993 Geo Storm, from MOTORAD, CALORSTAT, GATES and 2 other brands. MOTORAD 300160 carries the "Popular" badge. They are grouped as Economy, Heavy Duty, Performance, Premium and Standard Replacement, with Standard Replacement the largest group at 24 parts from CALORSTAT, MOTORAD, GATES and 2 other brands.

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

21 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 1993 Geo Storm come from 9 brands — APEX, MAHLE / CLEVITE, FEL-PRO and 6 other brands. The "Popular" part is APEX AWO2184. 1 part fits every engine; the other 20 are engine-specific.

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

6 Water Pump parts are listed for the 1993 Geo Storm, from US MOTOR WORKS, WJB / INMOTION PARTS, DAYCO and 2 other brands. US MOTOR WORKS US9220 carries the "Popular" badge. 4 parts fit every engine; the other 2 are engine-specific.

Economy: 3 parts, from US MOTOR WORKS and WJB / INMOTION PARTS. A representative part number is US MOTOR WORKS US9220.

The Standard Replacement section: 3 options from DAYCO, GATES and GMB. DAYCO DP950 is listed in this group.

This group includes US MOTOR WORKS US9220, US MOTOR WORKS US9221 and WJB / INMOTION PARTS WU9221 and the remaining parts above.

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

2 Water Pump Gasket parts for the 1993 Geo Storm come from 2 brands — APEX and VICTOR REINZ. Every part fits both the 1.6L L4 and the 1.8L L4.

This group includes APEX AWP3101 and VICTOR REINZ 711596800.