2020 Honda Insight 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 2020 Honda Insight come from 7 brands — PRESTONE, PEAK, VALVOLINE and 4 other brands. 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 5 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, VALVOLINE, BECK/ARNLEY, AISIN and 2 other brands supply 7 parts: built to original-equipment specification. A representative part number is VALVOLINE 861398.

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 are listed for the 2020 Honda Insight, from MOTORAD and CALORSTAT.

This group includes CALORSTAT RC0174, MOTORAD T108 and MOTORAD T128.

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

This group shows a single part: GATES 31409.

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 for the 2020 Honda Insight come from 5 brands — GPD, TECHPRO, TYC and 2 other brands. The "Popular" part is TYC 13859.

The Economy section: 2 options from GPD and TECHPRO. GPD 13859C is listed in this group.

Standard Replacement: 3 parts, from TYC, KOYORAD and UAC. A representative part number is TYC 13859.

Part numbers include TYC 13859, GPD 13859C and TECHPRO HO3010254, 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 for the 2020 Honda Insight come from 4 brands — MOTORAD, GATES, CALORSTAT and 1 other brand. The "Popular" part is GATES 31412.

In the Locking Replacement grade, MOTORAD supplies 1 part: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is MOTORAD ST37.

Standard Replacement: 4 parts, from GATES, CALORSTAT, MOTORAD and 1 other brand. A representative part number is GATES 31412.

Listed part numbers: GATES 31412, MOTORAD ST37 and CALORSTAT RC0040, plus the other parts above.

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

One part is listed for the 2020 Honda Insight — TECHPRO HO3115175.

This table covers the Radiator Mount bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

DORMAN supplies both parts for the 2020 Honda Insight.

This group includes DORMAN 927240 and DORMAN 927241.

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

7 Temperature Sender / Sensor parts for the 2020 Honda Insight come from 7 brands — CALORSTAT, GPD, HOLSTEIN and 4 other brands. The "Popular" part is WALKER PRODUCTS 2111080.

The Economy section: 3 options from CALORSTAT, GPD and HOLSTEIN. CALORSTAT WS3039 is listed in this group.

Standard Replacement: 4 parts, from WALKER PRODUCTS, WELLS, BECK/ARNLEY and 1 other brand. A representative part number is WALKER PRODUCTS 2111080.

Listed part numbers: WALKER PRODUCTS 2111080, CALORSTAT WS3039 and GPD 1712488, plus the other 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

3 Thermostat parts are listed for the 2020 Honda Insight, from AISIN, BECK/ARNLEY and MOTORAD.

Listed part numbers: AISIN THH022, BECK/ARNLEY 1430990 and MOTORAD 1214172.

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

3 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2020 Honda Insight come from 3 brands — ELRING, FEL-PRO and MAHLE / CLEVITE.

Part numbers include ELRING 108130, FEL-PRO 35741 and MAHLE / CLEVITE C32021.

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 2020 Honda Insight, from BECK/ARNLEY, US MOTOR WORKS, SKP and 3 other brands. BECK/ARNLEY 1312544 carries the "Popular" badge.

Economy: 3 parts, from BECK/ARNLEY, US MOTOR WORKS and SKP. A representative part number is BECK/ARNLEY 1312544.

The Standard Replacement section: 3 options from AISIN, FOUR SEASONS and NISSENS. AISIN WQH001 is listed in this group.

Listed part numbers: BECK/ARNLEY 1312544, US MOTOR WORKS US8185 and SKP SKUS8185, 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 for the 2020 Honda Insight come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

Listed part numbers: FEL-PRO 36174 and MAHLE / CLEVITE K32737.