2020 Lincoln MKZ 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

19 Coolant / Antifreeze parts are listed for the 2020 Lincoln MKZ, from PRESTONE, PEAK, VALVOLINE and 4 other brands. FVP MV5050GAL carries the "Popular" badge. 17 parts fit every engine; the other 2 are 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 9 options from MOTORCRAFT, VALVOLINE, PRESTONE and 3 other brands — built to original-equipment specification. ACDELCO 105027 is listed in this group.

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

5 Coolant Hose / Pipe parts are listed for the 2020 Lincoln MKZ, from GATES, MOTORCRAFT and DORMAN. 1 part fits every engine; the other 4 are engine-specific.

This group includes DORMAN 626740, GATES 51983 and GATES 51977 and the remaining parts above.

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

3 Coolant Hose / Pipe Seal parts for the 2020 Lincoln MKZ come from 3 brands — APEX, FEL-PRO and MOTORCRAFT.

This group includes APEX AWO2394, FEL-PRO 36046 and MOTORCRAFT RG630.

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

10 Coolant Reservoir parts for the 2020 Lincoln MKZ come from 4 brands — TECHPRO, DORMAN, GPD and 1 other brand. The "Popular" part is DORMAN 603316. 1 part fits every engine; the other 9 are engine-specific.

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 2020 Lincoln MKZ come from 5 brands — MOTORAD, CALORSTAT, GATES and 2 other brands. The "Popular" part is MOTORAD T57. Every part fits both the 2.0L L4 ELECTRIC/GAS and the 2.0L L4 Turbocharged.

Listed part numbers: MOTORAD T57, CALORSTAT RC0150 and GATES 31549, plus the other parts above.

This table covers the Coolant Reservoir retainers and clips. Read more

One part is listed for the 2020 Lincoln MKZ — DORMAN 963249D.

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

One part is listed for the 2020 Lincoln MKZ — MOTORAD 3043.

This table covers the intercoolers that cool turbo or supercharger charge air. Read more

4 Intercooler parts are listed for the 2020 Lincoln MKZ, from GPD, MOTORCRAFT, TECHPRO and 1 other brand. 1 part fits every engine; the other 3 are engine-specific.

Listed part numbers: GPD 2711359, MOTORCRAFT INTCO20 and TECHPRO FO3012117, plus the other parts 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

17 Radiator parts are listed for the 2020 Lincoln MKZ, from CSF, KOYORAD, AGILITY and 7 other brands. CSF 3807 carries the "Popular" badge.

Economy: 1 part, from ULTRA-POWER. A representative part number is ULTRA-POWER 13320.

The Standard Replacement section: 8 options from CSF, KOYORAD, AGILITY and 5 other brands. CSF 3807 is listed in this group.

8 ungrouped parts are not assigned to a grade, 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

One part is listed for the 2020 Lincoln MKZ — MOTORCRAFT RS531.

This table covers the petcocks used to drain the radiator. Read more

This group shows a single part: DORMAN 61134.

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

18 Radiator Fan Assembly parts for the 2020 Lincoln MKZ come from 12 brands — DORMAN, GPD, FOUR SEASONS and 9 other brands. The "Popular" part is DORMAN 620944. 2 parts fit every engine; the other 16 are engine-specific.

The Economy section: 8 options from DORMAN, GPD, SKP and 3 other brands. DORMAN 620944 is listed in this group.

Standard Replacement: 10 parts, from FOUR SEASONS, MOTORCRAFT, TYC and 3 other brands. A representative part number is FOUR SEASONS 75190.

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

13 Radiator Hose parts for the 2020 Lincoln MKZ come from 4 brands — MOTORCRAFT, GATES, CONTINENTAL and 1 other brand. The "Popular" part is MOTORCRAFT KM5240.

This table covers the brackets that mount the Radiator Mount. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

This group shows a single part: DORMAN 927842.

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

9 Temperature Sender / Sensor parts are listed for the 2020 Lincoln MKZ, from HOLSTEIN, GPD, UNITED MOTOR PRODUCTS and 6 other brands. HOLSTEIN 2CTS0039 carries the "Popular" badge. 6 parts fit every engine; the other 3 are engine-specific.

Economy: 3 parts, from HOLSTEIN, GPD and UNITED MOTOR PRODUCTS. A representative part number is HOLSTEIN 2CTS0039.

The Standard Replacement section: 6 options from MOTORCRAFT, WALKER PRODUCTS, DELPHI and 3 other brands. MOTORCRAFT DY1269 is listed in this group.

Part numbers include HOLSTEIN 2CTS0039, GPD 1712498 and UNITED MOTOR PRODUCTS CTS303, 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

24 Thermostat parts for the 2020 Lincoln MKZ come from 6 brands — MOTORAD, DORMAN, FOUR SEASONS and 3 other brands. The "Popular" part is MOTORAD 655160.

The Economy section: 2 options from DORMAN. DORMAN 9021086 is listed in this group.

In the Heavy Duty grade, MOTORAD supplies 2 parts: rated for severe service. A representative part number is MOTORAD 5655188.

The Performance section lists 3 options from MOTORAD — engineered beyond original-equipment specification. MOTORAD 2655188 is listed in this group.

Premium: 1 part, from MOTORAD. A representative part number is MOTORAD 7655188.

Standard Replacement: 16 parts, from MOTORAD, FOUR SEASONS, GATES and 2 other brands. A representative part number is MOTORAD 655160.

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

16 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2020 Lincoln MKZ, from FEL-PRO, MAHLE / CLEVITE, APEX and 1 other brand. FEL-PRO 35771 carries the "Popular" badge. 1 part fits every engine; the other 15 are engine-specific.

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

9 Thermostat Housing / Water Outlet parts for the 2020 Lincoln MKZ come from 4 brands — GATES, MOTORAD, DORMAN and 1 other brand. The "Popular" part is MOTORAD CH2684.

The Economy section: 2 options from DORMAN and ÜRO PARTS. DORMAN 902684 is listed in this group.

Standard Replacement: 2 parts, from GATES and MOTORAD. A representative part number is GATES CO34928.

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

This group includes MOTORAD CH2684, DORMAN 902684 and ÜRO PARTS LR038758 and the remaining parts 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

13 Water Pump parts for the 2020 Lincoln MKZ come from 9 brands — MOTORCRAFT, FVP, SKP and 6 other brands. The "Popular" part is AISIN WPZ743. 3 parts fit every engine; the other 10 are engine-specific.

The Economy section: 4 options from SKP, FVP and US MOTOR WORKS. FVP US8975 is listed in this group.

Standard Replacement: 8 parts, from MOTORCRAFT, AISIN, GATES and 3 other brands. A representative part number is AISIN WPZ743.

1 further part sits outside the graded sections, with the same engine-level match.

This table covers the Water Pump housings. Read more

One part is listed for the 2020 Lincoln MKZ — MOTORAD CH2111.

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

3 Water Pump Seal / O-Ring parts for the 2020 Lincoln MKZ come from 3 brands — APEX, FEL-PRO and MAHLE / CLEVITE. Every part fits both the 2.0L L4 ELECTRIC/GAS and the 2.0L L4 Turbocharged.

Part numbers include APEX AWP3177, FEL-PRO 35772 and MAHLE / CLEVITE 72230.