1990 Saab 900 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 are listed for the 1990 Saab 900, from PRESTONE, PEAK, FVP and 3 other brands. FVP MV5050GAL carries the "Popular" badge. All of them fit every engine offered in the 1990 900.

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

The Premium section lists 5 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 6 options from PENTOSIN, AISIN, FVP and 2 other brands — built to original-equipment specification. AISIN ACE008 is listed in this group.

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

ÜRO PARTS supplies both parts for the 1990 Saab 900. All of them fit every engine offered in the 1990 900.

Listed part numbers: ÜRO PARTS 7504624 and ÜRO PARTS 9349382.

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. Read more

4 Coolant Reservoir Cap parts for the 1990 Saab 900 come from 4 brands — MOTORAD, PROFESSIONAL PARTS SWEDEN, STANT and 1 other brand. Every part fits both the 2.0L L4 and the 2.0L L4 Turbocharged.

This group includes MOTORAD T30, PROFESSIONAL PARTS SWEDEN 21347323 and STANT 10260 and the remaining parts above.

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

3 Cooling System Tester Adapter parts are listed for the 1990 Saab 900, from MOTORAD and GATES. All of them fit every engine offered in the 1990 900.

This group includes GATES 31371, MOTORAD 3120 and MOTORAD 3123.

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

5 Radiator parts are listed for the 1990 Saab 900, from TECHPRO, FVP, NISSENS and 1 other brand. 3 parts fit every engine; the other 2 are engine-specific.

Economy: 2 parts, from TECHPRO. A representative part number is TECHPRO SB3010114.

The Standard Replacement section: 2 options from FVP and NISSENS. FVP RAD1000 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Part numbers include TECHPRO SB3010114, TECHPRO SB3010113 and FVP RAD1000, 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

15 Radiator Hose parts for the 1990 Saab 900 come from 5 brands — CONTINENTAL, ÜRO PARTS, GATES and 2 other brands. The "Popular" part is GATES 25252. 13 parts fit every engine; the other 2 are engine-specific.

The Economy section: 2 options from GATES and CONTINENTAL. GATES 25252 is listed in this group.

Standard Replacement: 13 parts, from ÜRO PARTS, CONTINENTAL, ACDELCO and 2 other brands. A representative part number is ACDELCO 22134M.

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

19 Temperature Sender / Sensor parts are listed for the 1990 Saab 900, from STANDARD MOTOR PRODUCTS, FACET, WALKER PRODUCTS and 11 other brands. SKP SKTX18 carries the "Popular" badge. 17 parts fit every engine; the other 2 are engine-specific.

Economy: 6 parts, from SKP, STANDARD MOTOR PRODUCTS, ÜRO PARTS and 3 other brands. A representative part number is SKP SKTX18.

In the Full Service Kit grade, WALKER PRODUCTS supplies 1 part: grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. A representative part number is WALKER PRODUCTS 21191122.

The Standard Replacement section: 12 options from FACET, STANDARD MOTOR PRODUCTS, BECK/ARNLEY and 6 other brands. STANDARD MOTOR PRODUCTS TX18 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

17 Thermostat parts for the 1990 Saab 900 come from 4 brands — MOTORAD, BECK/ARNLEY, GATES and 1 other brand. The "Popular" part is MOTORAD 2028160. Every part fits both the 2.0L L4 and the 2.0L L4 Turbocharged.

The Economy section: 1 option from PROFESSIONAL PARTS SWEDEN. PROFESSIONAL PARTS SWEDEN 26349512 is listed in this group.

The Performance section lists 4 options from MOTORAD — engineered beyond original-equipment specification. MOTORAD 2028160 is listed in this group.

Premium: 4 parts, from MOTORAD. A representative part number is MOTORAD 7228180.

Standard Replacement: 8 parts, from MOTORAD, BECK/ARNLEY and GATES. A representative part number is MOTORAD 228195.

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

12 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 1990 Saab 900, from FEL-PRO, APEX, STANT and 6 other brands. BECK/ARNLEY 0390019 carries the "Popular" badge. 11 parts fit every engine; the other 1 is 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

8 Water Pump parts for the 1990 Saab 900 come from 7 brands — FVP, BECK/ARNLEY, US MOTOR WORKS and 4 other brands. The "Popular" part is GMB 1581020. 7 parts fit every engine; the other 1 is engine-specific.

The Economy section: 3 options from BECK/ARNLEY, FVP and US MOTOR WORKS. BECK/ARNLEY 1311955 is listed in this group.

Standard Replacement: 4 parts, from GMB, FVP, GRAF and 1 other brand. A representative part number is GMB 1581020.

1 further part sits outside the graded sections, with the same engine-level match.

Listed part numbers: GMB 1581020, BECK/ARNLEY 1311955 and FVP US9108, plus the other 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 are listed for the 1990 Saab 900, from APEX and VICTOR REINZ. All of them fit every engine offered in the 1990 900.

Listed part numbers: APEX AWP3220 and VICTOR REINZ 711599010.

This table covers the Water Pump Inlet tubes. Read more

2 Water Pump Inlet Tube parts for the 1990 Saab 900 come from ÜRO PARTS. Every part fits both the 2.0L L4 and the 2.0L L4 Turbocharged.

This group includes ÜRO PARTS 7541527 and ÜRO PARTS 7513435.