2017 Toyota Avalon 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 2017 Toyota Avalon, from PRESTONE, PEAK, VALVOLINE and 4 other brands. FVP MV5050GAL carries the "Popular" badge. 17 parts fit every engine; the other 1 is engine-specific.

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 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 8 options from AISIN, VALVOLINE, BECK/ARNLEY and 2 other brands — built to original-equipment specification. AISIN ACT002 is listed in this group.

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

One part is listed for the 2017 Toyota Avalon — GATES 20333.

This table covers the overflow / expansion tanks that hold extra coolant. Read more

5 Coolant Reservoir parts for the 2017 Toyota Avalon come from 5 brands — DORMAN, GPD, LARES and 2 other brands. The "Popular" part is DORMAN 603781. Every part fits both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6.

Listed part numbers: DORMAN 603781, GPD 2411152 and LARES 37879, plus the other parts above.

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

5 Coolant Reservoir Cap parts for the 2017 Toyota Avalon come from 4 brands — MOTORAD, AUTOTECNICA, CALORSTAT and 1 other brand. The "Popular" part is MOTORAD T51. 1 part fits every engine; the other 4 are engine-specific.

This group includes MOTORAD T51, AUTOTECNICA TY1414614 and CALORSTAT RC0145 and the remaining parts above.

This table covers the Cooling Fan control modules. Read more

7 Cooling Fan Control Module parts for the 2017 Toyota Avalon come from 6 brands — STANDARD MOTOR PRODUCTS, ACKOJA, DORMAN and 3 other brands. 2 parts fit every engine; the other 5 are engine-specific.

Part numbers include ACKOJA A70790003, DORMAN 904601 and GATES FCM111, among others listed 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 2017 Toyota Avalon, from MOTORAD and GATES. 2 parts fit every engine; the other 1 is engine-specific.

Part numbers include GATES 31409, MOTORAD 3124 and MOTORAD 3125.

This table covers the Inverter coolers. Typical signs include overheated fluid, a leak at the fittings, or mixed fluids in the reservoir. Flush the lines when you replace a cooler. Read more

6 Inverter Cooler parts for the 2017 Toyota Avalon come from 6 brands — CSF, TYC, AGILITY and 3 other brands. The "Popular" part is CSF 3764.

Part numbers include CSF 3764, TYC 13300 and AGILITY 8013300, among others listed 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 are listed for the 2017 Toyota Avalon, from OSC, UAC, CSF and 6 other brands. CSF 3763 carries the "Popular" badge. 7 parts fit every engine; the other 4 are engine-specific.

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 2017 Toyota Avalon, from MOTORAD, GATES, CALORSTAT and 1 other brand. GATES 31412 carries the "Popular" badge. All of them fit every engine offered in the 2017 Avalon.

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 ST37 is listed in this group.

The Standard Replacement section: 4 options from GATES, CALORSTAT, MOTORAD and 1 other brand. GATES 31412 is listed in this group.

This group includes GATES 31412, MOTORAD ST37 and CALORSTAT RC0040 and the remaining parts above.

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

15 Radiator Fan Assembly parts for the 2017 Toyota Avalon come from 7 brands — UAC, DORMAN, GPD and 4 other brands. The "Popular" part is DORMAN 620594.

The Economy section: 6 options from DORMAN, GPD and SKP. DORMAN 620594 is listed in this group.

Standard Replacement: 9 parts, from UAC, FOUR SEASONS, TYC and 1 other brand. A representative part number is FOUR SEASONS 76040.

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

14 Radiator Hose parts for the 2017 Toyota Avalon come from 4 brands — DAYCO, GATES, CONTINENTAL and 1 other brand. The "Popular" part is DAYCO 72418.

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

17 Temperature Sender / Sensor parts are listed for the 2017 Toyota Avalon, from STANDARD MOTOR PRODUCTS, ACDELCO, GPD and 12 other brands. DELPHI TS10289 carries the "Popular" badge. All of them fit every engine offered in the 2017 Avalon.

Economy: 5 parts, from GPD, HOLSTEIN, ULTRA-POWER and 2 other brands. A representative part number is GPD 1712514.

The Standard Replacement section: 12 options from STANDARD MOTOR PRODUCTS, ACDELCO, DELPHI and 7 other brands. DELPHI TS10289 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

27 Thermostat parts for the 2017 Toyota Avalon come from 11 brands — MOTORAD, CALORSTAT, FACET and 8 other brands. The "Popular" part is MOTORAD 7281180. Economy, Heavy Duty, Premium and Standard Replacement are all represented, and Standard Replacement alone accounts for 22 parts.

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 2017 Toyota Avalon, from FEL-PRO, APEX, BECK/ARNLEY and 4 other brands. BECK/ARNLEY 0390104 carries the "Popular" badge. 3 parts fit every engine; the other 9 are engine-specific.

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

7 Thermostat Housing / Water Outlet parts for the 2017 Toyota Avalon come from 5 brands — FOUR SEASONS, MOTORAD, DORMAN and 2 other brands. The "Popular" part is DORMAN 9025929.

The Economy section: 1 option from DORMAN. DORMAN 9025929 is listed in this group.

Standard Replacement: 6 parts, from FOUR SEASONS, MOTORAD, BECK/ARNLEY and 1 other brand. A representative part number is BECK/ARNLEY 1470079.

This group includes DORMAN 9025929, BECK/ARNLEY 1470079 and FOUR SEASONS 85355 and the remaining parts above.

This table covers the gaskets that seal the Water Inlet. 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 Inlet Gasket parts are listed for the 2017 Toyota Avalon, from APEX and FEL-PRO.

Listed part numbers: APEX AWO2237 and FEL-PRO 35801.

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

22 Water Pump parts for the 2017 Toyota Avalon come from 11 brands — SKP, AISIN, GATES and 8 other brands. The "Popular" part is SKP SK41517E.

The Economy section: 10 options from SKP, US MOTOR WORKS, ULTRA-POWER and 3 other brands. SKP SK41517E is listed in this group.

Standard Replacement: 12 parts, from AISIN, GATES, GMB and 2 other brands. A representative part number is AISIN WPT191.

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

15 Water Pump Gasket parts are listed for the 2017 Toyota Avalon, from FEL-PRO, APEX, MAHLE / CLEVITE and 2 other brands. FEL-PRO 36013 carries the "Popular" badge.