2018 Mitsubishi Outlander 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 for the 2018 Mitsubishi Outlander come from 7 brands — PRESTONE, PEAK, VALVOLINE and 4 other brands. The "Popular" part is FVP MV5050GAL. 16 parts fit every engine; the other 2 are engine-specific.

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, VALVOLINE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

In the Heavy Duty grade, PRESTONE supplies 1 part: rated for severe service. A representative part number is PRESTONE AFC12100.

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, BECK/ARNLEY, VALVOLINE, AISIN and 2 other brands supply 7 parts: built to original-equipment specification. A representative part number is BECK/ARNLEY 2521501.

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

5 Coolant Hose / Pipe Seal parts are listed for the 2018 Mitsubishi Outlander, from AJUSA, APEX, ELRING and 2 other brands.

Listed part numbers: AJUSA 16060600, APEX AWO2297 and ELRING 455800, plus the other parts above.

This table covers the Coolant Hose Connector flanges. Read more

This group shows a single part: FOUR SEASONS 86377.

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

One part is listed for the 2018 Mitsubishi Outlander — TECHPRO MI3014112.

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

4 Coolant Reservoir Cap parts are listed for the 2018 Mitsubishi Outlander, from CALORSTAT, DORMAN and MOTORAD. 2 parts fit every engine; the other 2 are engine-specific.

Listed part numbers: CALORSTAT RC0206, CALORSTAT RC0016 and DORMAN 54242, plus the other parts above.

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

3 Cooling System Tester Adapter parts for the 2018 Mitsubishi Outlander come from 2 brands — MOTORAD and STANT. 2 parts fit every engine; the other 1 is engine-specific.

This group includes MOTORAD 3121, MOTORAD 3122 and STANT 12021.

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

One part is listed for the 2018 Mitsubishi Outlander — TECHPRO MI3011100.

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

16 Radiator parts for the 2018 Mitsubishi Outlander come from 9 brands — KOYORAD, CSF, AGILITY and 6 other brands. The "Popular" part is CSF 4031.

The Economy section: 1 option from GPD. GPD 13470C is listed in this group.

Standard Replacement: 8 parts, from KOYORAD, CSF, AGILITY and 4 other brands. A representative part number is CSF 4031.

7 further parts sit outside the graded sections, with the same engine-level match.

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

6 Radiator Cap parts for the 2018 Mitsubishi Outlander come from 4 brands — CALORSTAT, MOTORAD, SKP and 1 other brand. The "Popular" part is MOTORAD T16R. 5 parts fit every engine; the other 1 is engine-specific.

In the Locking Replacement grade, CALORSTAT and MOTORAD supply 2 parts: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is CALORSTAT RC0212.

Standard Replacement: 4 parts, from MOTORAD, SKP, CALORSTAT and 1 other brand. A representative part number is MOTORAD T16R.

Listed part numbers: MOTORAD T16R, CALORSTAT RC0212 and MOTORAD ST16R, plus the other parts above.

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

7 Radiator Fan Assembly parts are listed for the 2018 Mitsubishi Outlander, from GPD, TECHPRO, UAC and 1 other brand.

Economy: 3 parts, from TECHPRO and GPD. A representative part number is GPD 2812167.

The Standard Replacement section: 3 options from UAC and TYC. TYC 625120 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Part numbers include GPD 2812167, TECHPRO MI3115151 and TECHPRO MI3115152, among others listed 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

9 Radiator Hose parts are listed for the 2018 Mitsubishi Outlander, from GATES and CONTINENTAL. CONTINENTAL 66869 carries the "Popular" badge.

This group includes CONTINENTAL 66869, GATES 24809 and CONTINENTAL 66868 and the remaining 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

8 Temperature Sender / Sensor parts for the 2018 Mitsubishi Outlander come from 6 brands — STANDARD MOTOR PRODUCTS, WELLS, CALORSTAT and 3 other brands. The "Popular" part is CALORSTAT WS3041.

The Economy section: 3 options from CALORSTAT, GPD and HOLSTEIN. CALORSTAT WS3041 is listed in this group.

Standard Replacement: 3 parts, from STANDARD MOTOR PRODUCTS, VEMO and WELLS. A representative part number is STANDARD MOTOR PRODUCTS TX295.

2 further parts sit outside the graded sections, with the same engine-level match.

Part numbers include CALORSTAT WS3041, GPD 1712618 and HOLSTEIN 2CTS0426, among others listed 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

9 Thermostat parts are listed for the 2018 Mitsubishi Outlander, from MOTORAD, CALORSTAT, GATES and 2 other brands. GATES 33878 carries the "Popular" badge. 3 parts fit every engine; the other 6 are engine-specific.

Part numbers include GATES 33878, MOTORAD 762192 and ACKOJA A52990005, among others listed 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

15 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2018 Mitsubishi Outlander come from 4 brands — APEX, FEL-PRO, MAHLE / CLEVITE and 1 other brand. The "Popular" part is APEX AWO2307.

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

7 Thermostat Housing / Water Outlet parts are listed for the 2018 Mitsubishi Outlander, from GATES and MOTORAD.

Part numbers include GATES CO35093, GATES CO35053 and GATES CO35094, among others listed above.

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

20 Water Pump parts are listed for the 2018 Mitsubishi Outlander, from FVP, GMB, SKP and 7 other brands. FAMOUS BRAND T2289 carries the "Popular" badge.

Economy: 10 parts, from SKP, BECK/ARNLEY, FVP and 3 other brands. A representative part number is FAMOUS BRAND T2289.

The Standard Replacement section: 10 options from GMB, GATES, DAYCO and 2 other brands. GATES 42144 is listed in this group.

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

9 Water Pump Gasket parts for the 2018 Mitsubishi Outlander come from 5 brands — FEL-PRO, APEX, BECK/ARNLEY and 2 other brands. The "Popular" part is FEL-PRO 35813.

Part numbers include FEL-PRO 35813, APEX AWP3215 and APEX AWO2307, among others listed above.

This table covers the Water Pump Seal O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

2 Water Pump Seal / O-Ring parts are listed for the 2018 Mitsubishi Outlander, from APEX and FEL-PRO.

Listed part numbers: APEX AWP3203 and FEL-PRO ES72872.