2021 Nissan Sentra 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

15 Coolant / Antifreeze parts for the 2021 Nissan Sentra 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, PEAK, PRESTONE 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, AISIN, BECK/ARNLEY and 2 other brands supply 5 parts: built to original-equipment specification. A representative part number is VALVOLINE 861398.

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

TECHPRO supplies both parts for the 2021 Nissan Sentra.

Listed part numbers: TECHPRO NI3014142 and TECHPRO NI3014143.

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

2 Coolant Reservoir Cap parts are listed for the 2021 Nissan Sentra, from CALORSTAT and MOTORAD.

Listed part numbers: CALORSTAT RC0016 and MOTORAD T105.

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

7 Radiator parts for the 2021 Nissan Sentra come from 7 brands — GPD, CSF, TYC and 4 other brands. The "Popular" part is CSF 3969.

The Economy section: 1 option from GPD. GPD 13852C is listed in this group.

Standard Replacement: 6 parts, from CSF, TYC, DENSO and 3 other brands. A representative part number is CSF 3969.

Listed part numbers: CSF 3969, GPD 13852C and TYC 13852, plus the other parts above.

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

5 Radiator Fan Assembly parts are listed for the 2021 Nissan Sentra, from GPD, TYC, AGILITY and 2 other brands. TYC 624750 carries the "Popular" badge.

Economy: 1 part, from GPD. A representative part number is GPD 2812208.

The Standard Replacement section: 4 options from TYC, AGILITY, FOUR SEASONS and 1 other brand. TYC 624750 is listed in this group.

This group includes TYC 624750, GPD 2812208 and AGILITY 6010483 and the remaining parts 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

GATES supplies both parts for the 2021 Nissan Sentra.

Part numbers include GATES 52418 and GATES 52422.

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 Sentra 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 1712548 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

12 Thermostat parts are listed for the 2021 Nissan Sentra, from MOTORAD, AISIN, CALORSTAT and 3 other brands. MOTORAD 7457205 carries the "Popular" badge.

The Premium section: 1 option from MOTORAD. MOTORAD 7457205 is listed in this group.

The Standard Replacement section: 11 options from MOTORAD, AISIN, CALORSTAT and 3 other brands. MOTORAD 457205 is listed in this group.

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

8 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 Nissan Sentra come from 3 brands — FEL-PRO, APEX and VICTOR REINZ. The "Popular" part is APEX AWO2047.

Listed part numbers: APEX AWO2047, FEL-PRO 35445 and APEX AWO2345, plus the other parts above.

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

4 Thermostat Housing / Water Outlet parts are listed for the 2021 Nissan Sentra, from MOTORAD, DORMAN and FOUR SEASONS.

Economy: 1 part, from DORMAN. A representative part number is DORMAN 902751.

The Standard Replacement section: 3 options from MOTORAD and FOUR SEASONS. FOUR SEASONS 85413 is listed in this group.

Listed part numbers: DORMAN 902751, FOUR SEASONS 85413 and MOTORAD CH8751, 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

8 Water Pump parts are listed for the 2021 Nissan Sentra, from BECK/ARNLEY, FVP, US MOTOR WORKS and 5 other brands. AISIN WPN117 carries the "Popular" badge.

Economy: 3 parts, from BECK/ARNLEY, FVP and US MOTOR WORKS. A representative part number is BECK/ARNLEY 1312531.

The Standard Replacement section: 5 options from AISIN, GATES, ACDELCO and 2 other brands. AISIN WPN117 is listed in this group.

Part numbers include AISIN WPN117, BECK/ARNLEY 1312531 and FVP US8104, 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

2 Water Pump Gasket parts for the 2021 Nissan Sentra come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

This group includes FEL-PRO 36027 and MAHLE / CLEVITE K33293.