2023 Nissan Altima 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

14 Coolant / Antifreeze parts are listed for the 2023 Nissan Altima, from PRESTONE, PEAK, VALVOLINE and 3 other brands. PRESTONE AF3100 carries the "Popular" badge. All of them fit every engine offered in the 2023 Altima.

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, PRESTONE, PEAK and VALVOLINE supply 3 parts: the catalog's value-priced group. A representative part number is PRESTONE AF3100.

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 5 options from VALVOLINE, AISIN, BECK/ARNLEY and 2 other brands — built to original-equipment specification. VALVOLINE 861398 is listed in this group.

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

This group shows a single part: MAHLE / CLEVITE GS34113.

This table covers the Coolant Hose Connector flanges. Read more

One part is listed for the 2023 Nissan Altima — FOUR SEASONS 86188.

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

This group shows a single part: TECHPRO NI3014136.

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 for the 2023 Nissan Altima come from 3 brands — CALORSTAT, DORMAN and MOTORAD. Every part fits both the 2.0L L4 Turbocharged and the 2.5L L4.

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

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

One part is listed for the 2023 Nissan Altima — MOTORAD 3121.

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

11 Radiator parts are listed for the 2023 Nissan Altima, from CSF, NISSENS, GPD and 6 other brands. CSF 3892 carries the "Popular" badge.

Economy: 2 parts, from GPD and TECHPRO. A representative part number is GPD 13858C.

The Standard Replacement section: 1 option from CSF. CSF 3891 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

5 Radiator Cap parts are listed for the 2023 Nissan Altima, from SKP, MOTORAD, CALORSTAT and 1 other brand. MOTORAD T20R carries the "Popular" badge. All of them fit every engine offered in the 2023 Altima.

This group includes MOTORAD T20R, CALORSTAT RC0050 and GATES 31564 and the remaining parts above.

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

9 Radiator Fan Assembly parts for the 2023 Nissan Altima come from 8 brands — UAC, GPD, TECHPRO and 5 other brands. The "Popular" part is AGILITY 6010460. 1 part fits every engine; the other 8 are engine-specific.

The Economy section: 3 options from GPD, TECHPRO and VARIOUS MFR. GPD 2812050 is listed in this group.

Standard Replacement: 6 parts, from UAC, AGILITY, TYC and 2 other brands. A representative part number is AGILITY 6010460.

This group includes AGILITY 6010460, GPD 2812050 and TECHPRO NI3115165 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

3 Radiator Hose parts for the 2023 Nissan Altima come from GATES.

This group includes GATES 52043, GATES 52425 and GATES 52426.

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 are listed for the 2023 Nissan Altima, from BECK/ARNLEY, HELLA, WALKER PRODUCTS and 4 other brands. BECK/ARNLEY 1580606 carries the "Popular" badge.

Economy: 2 parts, from GPD and HOLSTEIN. A representative part number is GPD 1712547.

The Standard Replacement section: 4 options from BECK/ARNLEY, HELLA, STANDARD MOTOR PRODUCTS and 1 other brand. BECK/ARNLEY 1580606 is listed in this group.

4 ungrouped parts are not assigned to a grade, with the same engine-level match.

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

6 Thermostat parts for the 2023 Nissan Altima come from 5 brands — MOTORAD, AISIN, CALORSTAT and 2 other brands. The "Popular" part is MOTORAD 647180.

This group includes MOTORAD 647180, AISIN THN005 and CALORSTAT TH694982J and the remaining 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

2 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2023 Nissan Altima, from FEL-PRO and MAHLE / CLEVITE.

Listed part numbers: FEL-PRO 35445 and MAHLE / CLEVITE K31944.

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

This group shows a single part: MOTORAD CH8751.

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

11 Water Pump parts for the 2023 Nissan Altima come from 8 brands — FVP, US MOTOR WORKS, GMB and 5 other brands. The "Popular" part is AISIN WPN117.

The Economy section: 3 options from BECK/ARNLEY, FVP and US MOTOR WORKS. BECK/ARNLEY 1312531 is listed in this group.

Standard Replacement: 5 parts, from AISIN, GATES, ACDELCO and 2 other brands. A representative part number is AISIN WPN117.

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

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

One part is listed for the 2023 Nissan Altima — MAHLE / CLEVITE K33293.

This table covers the Water Pump housings. Read more

One part is listed for the 2023 Nissan Altima — MOTORAD CH3217.