Radiators & mounting
- Engine radiators
- Radiator caps
- Radiator drain cocks
- Upper radiator mounts
- Lower radiator cushions
- Radiator side brackets
- Tank seals where serviceable
- Mounting hardware
Corolla cooling system directory
Source Corolla engine and applicable hybrid cooling components by powertrain, circuit, dimensions, port layout, connector, mounting and reference evidence.

Cooling System directory
This working directory organizes the main Corolla cooling system components buyers place on repair, maintenance and wholesale lists. A listed name describes sourcing scope, not confirmed availability or fitment.
Selection matrix
| Decision point | Buyer evidence | Risk controlled |
|---|---|---|
| Cooling circuit | Engine, heater, oil-cooler or applicable hybrid circuit | Prevents unrelated circuits being combined |
| Heat exchanger | Core dimensions, thickness, ports, mounts and transmission cooler | Controls radiator configuration |
| Pump/thermostat | Mechanical or electric design, housing and opening temperature | Controls circulation specification |
| Fan system | Motor count, shroud, connector, controller and rotation | Controls fan assembly selection |
| Vehicle version | Engine, transmission, hybrid context, chassis and market | Separates regional cooling layouts |
System-specific risk
Engine, transmission, climate package and hybrid configuration can change core size, ports, fan controls and pumps. Do not confuse an engine radiator with an A/C condenser or a separate hybrid cooling circuit.
Buyer FAQ
No. Confirm core dimensions, port positions, transmission cooler, mounts, engine, transmission and chassis.
Yes. Keep each engine and component reference on a separate line with quantity and housing details.
It depends on the design and requested scope. State whether the inquiry is for a motor, blade, shroud or complete assembly.
Identify the exact circuit and complete hybrid vehicle information; do not assume engine and inverter cooling parts are shared.
Corolla parts RFQ
Include the generation or year, engine or hybrid version, OE/reference numbers, quantities, destination and packing request. Attach a spreadsheet or old-part photos when useful.