2021 Nissan Maxima 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

16 Coolant / Antifreeze parts for the 2021 Nissan Maxima 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, BECK/ARNLEY, VALVOLINE, AISIN and 2 other brands supply 6 parts: built to original-equipment specification. A representative part number is VALVOLINE 861398.

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

One part is listed for the 2021 Nissan Maxima — MAHLE / CLEVITE GS34113.

This table covers the gaskets that seal the Coolant Pipe. 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 2021 Nissan Maxima — FEL-PRO 35942.

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 2021 Nissan Maxima, from CALORSTAT, DORMAN and MOTORAD.

Listed part numbers: CALORSTAT RC0184, DORMAN 54245 and MOTORAD T152.

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

2 Cooling System Tester Adapter parts for the 2021 Nissan Maxima come from MOTORAD.

This group includes MOTORAD 3121 and MOTORAD 3122.

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 for the 2021 Nissan Maxima come from 9 brands — OSC, TYC, AGILITY and 6 other brands. The "Popular" part is OSC 2988.

Listed part numbers: OSC 2988 and AGILITY 8012988, plus the other parts 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

6 Radiator Cap parts for the 2021 Nissan Maxima come from 4 brands — SKP, CALORSTAT, MOTORAD and 1 other brand. The "Popular" part is MOTORAD T20R.

This group includes MOTORAD T20R, SKP SK10267 and CALORSTAT RC0050 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 are listed for the 2021 Nissan Maxima, from GPD, AGILITY, TYC and 3 other brands. AGILITY 6029144 carries the "Popular" badge.

Economy: 1 part, from GPD. A representative part number is GPD 2811617.

The Standard Replacement section: 5 options from AGILITY, TYC, FOUR SEASONS and 2 other brands. AGILITY 6029144 is listed in this group.

Part numbers include AGILITY 6029144, GPD 2811617 and TYC 621660, 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

4 Radiator Hose parts are listed for the 2021 Nissan Maxima, from DAYCO and GATES.

Listed part numbers: DAYCO 72598, DAYCO 72599 and GATES 23967, plus the other parts above.

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

One part is listed for the 2021 Nissan Maxima — DORMAN 927246.

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

10 Temperature Sender / Sensor parts for the 2021 Nissan Maxima come from 9 brands — WALKER PRODUCTS, GPD, HOLSTEIN and 6 other brands. The "Popular" part is BECK/ARNLEY 1580606.

The Economy section: 2 options from GPD and HOLSTEIN. GPD 1712547 is listed in this group.

The Full Service Kit section lists 1 option from WALKER PRODUCTS — grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. WALKER PRODUCTS 21191031 is listed in this group.

Standard Replacement: 7 parts, from BECK/ARNLEY, NTK, DELPHI and 4 other brands. A representative part number is BECK/ARNLEY 1580606.

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 are listed for the 2021 Nissan Maxima, from DORMAN, SKP, MOTORAD and 5 other brands. DORMAN 9025902 carries the "Popular" badge.

Economy: 2 parts, from DORMAN and SKP. A representative part number is DORMAN 9025902.

The Standard Replacement section: 6 options from MOTORAD, AISIN, BECK/ARNLEY and 3 other brands. MOTORAD 1016180 is listed in this group.

Listed part numbers: DORMAN 9025902, SKP SK9025902 and MOTORAD 1016180, plus the other 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

6 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 Nissan Maxima come from 5 brands — MAHLE / CLEVITE, FEL-PRO, APEX and 2 other brands. The "Popular" part is FEL-PRO 35620.

Listed part numbers: FEL-PRO 35620, MAHLE / CLEVITE C31681 and APEX AWO2080, plus the other parts above.

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

One part is listed for the 2021 Nissan Maxima — GATES CO35080.

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

4 Water Inlet Gasket parts for the 2021 Nissan Maxima come from 3 brands — APEX, FEL-PRO and MAHLE / CLEVITE.

Listed part numbers: APEX AWO2081, APEX AWO2425 and FEL-PRO 35622, plus the other 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

9 Water Pump parts are listed for the 2021 Nissan Maxima, from ACKOJA, BECK/ARNLEY, FVP and 6 other brands. AISIN WPN702 carries the "Popular" badge.

Economy: 4 parts, from ACKOJA, BECK/ARNLEY, FVP and 1 other brand. A representative part number is ACKOJA A3850016.

The Standard Replacement section: 5 options from AISIN, GATES, ACDELCO and 2 other brands. AISIN WPN702 is listed in this group.

Part numbers include AISIN WPN702, ACKOJA A3850016 and BECK/ARNLEY 1312424, among others listed 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

4 Water Pump Gasket parts for the 2021 Nissan Maxima come from 4 brands — APEX, BECK/ARNLEY, FEL-PRO and 1 other brand.

Listed part numbers: APEX AWP3237, BECK/ARNLEY 0394127 and FEL-PRO ES70894, plus the other parts above.