2016 Toyota Prius C 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 2016 Toyota Prius C, from PRESTONE, PEAK, AISIN and 4 other brands. FVP MV5050GAL carries the "Popular" badge.

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 and PRESTONE supply 3 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 2016 Toyota Prius C — ACDELCO 16702M.

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

This group shows a single part: FEL-PRO 35729.

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

3 Coolant Reservoir Cap parts for the 2016 Toyota Prius C come from 2 brands — MOTORAD and CALORSTAT.

Listed part numbers: CALORSTAT RC0170, MOTORAD T122 and MOTORAD T51.

This table covers the Cooling Fan control modules. Read more

4 Cooling Fan Control Module parts for the 2016 Toyota Prius C come from 2 brands — US MOTOR WORKS and STANDARD MOTOR PRODUCTS.

Listed part numbers: STANDARD MOTOR PRODUCTS CFM111, US MOTOR WORKS 16749 and US MOTOR WORKS 16789, plus the other parts above.

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

MOTORAD supplies both parts for the 2016 Toyota Prius C.

Part numbers include 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

9 Radiator parts are listed for the 2016 Toyota Prius C, from CSF, KOYORAD, AGILITY and 6 other brands. CSF 3702 carries the "Popular" badge.

Part numbers include CSF 3702, KOYORAD A13319 and AGILITY 8013319, among others listed above.

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 2016 Toyota Prius C, from MOTORAD, GATES, CALORSTAT and 1 other brand. GATES 31412 carries the "Popular" badge.

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

6 Radiator Fan Assembly parts for the 2016 Toyota Prius C come from 6 brands — DORMAN, GPD, TECHPRO and 3 other brands. The "Popular" part is DORMAN 621370.

The Economy section: 4 options from DORMAN, GPD, TECHPRO and 1 other brand. DORMAN 621370 is listed in this group.

Standard Replacement: 2 parts, from TYC and AGILITY. A representative part number is TYC 623150.

Listed part numbers: DORMAN 621370, GPD 2811896 and TECHPRO TO3115207, plus the other parts 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

4 Radiator Hose parts for the 2016 Toyota Prius C come from 3 brands — GATES, CONTINENTAL and DAYCO.

Listed part numbers: CONTINENTAL 66551, DAYCO 72943 and GATES 23944, 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

13 Temperature Sender / Sensor parts are listed for the 2016 Toyota Prius C, from ULTRA-POWER, GPD, HOLSTEIN and 10 other brands. ULTRA-POWER 5S1616 carries the "Popular" badge.

Economy: 4 parts, from ULTRA-POWER, GPD, HOLSTEIN and 1 other brand. A representative part number is ULTRA-POWER 5S1616.

The Standard Replacement section: 9 options from DELPHI, DENSO, BECK/ARNLEY and 6 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

8 Thermostat parts for the 2016 Toyota Prius C come from 8 brands — DORMAN, AISIN, MOTORAD and 5 other brands. The "Popular" part is AISIN THT006.

The Economy section: 1 option from DORMAN. DORMAN 9025178 is listed in this group.

Standard Replacement: 7 parts, from AISIN, MOTORAD, BECK/ARNLEY and 4 other brands. A representative part number is AISIN THT006.

This group includes AISIN THT006, DORMAN 9025178 and MOTORAD 752180 and the remaining 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

8 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2016 Toyota Prius C, from FEL-PRO, VICTOR REINZ, APEX and 2 other brands. FEL-PRO 35445 carries the "Popular" badge.

Listed part numbers: FEL-PRO 35445, VICTOR REINZ 711554700 and APEX AWO2202, plus the other 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

One part is listed for the 2016 Toyota Prius C — MAHLE / CLEVITE C33257.

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

10 Water Pump parts for the 2016 Toyota Prius C come from 8 brands — AISIN, DAYCO, BECK/ARNLEY and 5 other brands. The "Popular" part is AISIN WQT001.

The Economy section: 3 options from BECK/ARNLEY, DORMAN and US MOTOR WORKS. BECK/ARNLEY 1312494 is listed in this group.

Standard Replacement: 7 parts, from AISIN, DAYCO, GATES and 2 other brands. A representative part number is AISIN WQT001.

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 2016 Toyota Prius C, from FEL-PRO, APEX, VICTOR REINZ and 1 other brand. BECK/ARNLEY 0394183 carries the "Popular" badge.

This group includes BECK/ARNLEY 0394183, FEL-PRO 36010 and APEX AWP3289 and the remaining parts above.