1989 Eagle Medallion 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

16 Coolant / Antifreeze parts for the 1989 Eagle Medallion come from 4 brands — PEAK, PRESTONE, FVP and 1 other brand. The "Popular" part is FVP MV5050GAL.

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, PRESTONE, PEAK 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 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, VALVOLINE, FVP and 1 other brand supply 7 parts: built to original-equipment specification. A representative part number is VALVOLINE ZX001.

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

2 Radiator parts for the 1989 Eagle Medallion come from 2 brands — TECHPRO and NISSENS.

The Economy section: 1 option from TECHPRO. TECHPRO CH3010269 is listed in this group.

Standard Replacement: 1 part, from NISSENS. A representative part number is NISSENS 63911A.

Listed part numbers: TECHPRO CH3010269 and NISSENS 63911A.

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

5 Radiator Hose parts are listed for the 1989 Eagle Medallion, from DAYCO, ACDELCO, CONTINENTAL and 1 other brand. DAYCO 70705 carries the "Popular" badge.

Economy: 4 parts, from ACDELCO, CONTINENTAL, DAYCO and 1 other brand. A representative part number is ACDELCO 31622.

The Standard Replacement section: 1 option from DAYCO. DAYCO 70705 is listed in this group.

Listed part numbers: DAYCO 70705, ACDELCO 31622 and CONTINENTAL 52016, plus the other parts above.

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

6 Temperature Sender / Sensor parts for the 1989 Eagle Medallion come from 5 brands — STANDARD MOTOR PRODUCTS, BWD/NIEHOFF, WALKER PRODUCTS and 2 other brands. The "Popular" part is WALKER PRODUCTS 21191022.

The Economy section: 1 option from BWD/NIEHOFF. BWD/NIEHOFF WT686 is listed in this group.

The Full Service Kit section lists 1 option from WALKER PRODUCTS — grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. WALKER PRODUCTS 21191022 is listed in this group.

Standard Replacement: 4 parts, from STANDARD MOTOR PRODUCTS, ROSTRA and WELLS. A representative part number is STANDARD MOTOR PRODUCTS TS235.

This group includes WALKER PRODUCTS 21191022, BWD/NIEHOFF WT686 and STANDARD MOTOR PRODUCTS TS235 and the remaining parts above.

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

7 Thermostat parts are listed for the 1989 Eagle Medallion, from MOTORAD and STANT. MOTORAD 7237180 carries the "Popular" badge.

The Premium section: 2 options from MOTORAD. MOTORAD 7237180 is listed in this group.

The Standard Replacement section: 5 options from MOTORAD and STANT. MOTORAD 237180 is listed in this group.

Listed part numbers: MOTORAD 7237180, MOTORAD 7237192 and MOTORAD 237180, plus the other parts above.

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

This group shows a single part: FEL-PRO 35408.

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

5 Water Pump parts are listed for the 1989 Eagle Medallion, from FVP, US MOTOR WORKS, WJB / INMOTION PARTS and 1 other brand. US MOTOR WORKS US3410 carries the "Popular" badge.

Economy: 3 parts, from US MOTOR WORKS, FVP and WJB / INMOTION PARTS. A representative part number is US MOTOR WORKS US3410.

The Standard Replacement section: 2 options from FVP and GMB. FVP 1572050 is listed in this group.

This group includes US MOTOR WORKS US3410 and WJB / INMOTION PARTS WU3410 and the remaining parts above.