2011 Nissan Pathfinder 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 are listed for the 2011 Nissan Pathfinder, from PRESTONE, PEAK, VALVOLINE and 4 other brands. FVP MV5050GAL carries the "Popular" badge.

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, PRESTONE, PEAK and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.

The Heavy Duty section lists 1 option from PRESTONE — rated for severe service. PRESTONE AFC12100 is listed in this group.

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 7 options from VALVOLINE, BECK/ARNLEY, AISIN 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

4 Coolant Hose / Pipe Seal parts for the 2011 Nissan Pathfinder come from 4 brands — AJUSA, ELRING, MAHLE / CLEVITE and 1 other brand.

Part numbers include AJUSA 16020200, ELRING 524630 and MAHLE / CLEVITE C31682, among others listed above.

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 2011 Nissan Pathfinder come from 2 brands — MOTORAD and SKP.

In the Locking Replacement grade, MOTORAD supplies 1 part: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is MOTORAD ST16R.

Standard Replacement: 1 part, from MOTORAD. A representative part number is MOTORAD T16R.

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

This group includes MOTORAD ST16R, MOTORAD T16R and SKP SK10264.

This table covers the Cooling Fan control modules. Read more

3 Cooling Fan Control Module parts for the 2011 Nissan Pathfinder come from US MOTOR WORKS.

Listed part numbers: US MOTOR WORKS 16749, US MOTOR WORKS 16789 and US MOTOR WORKS 16795.

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

3 Cooling System Tester Adapter parts are listed for the 2011 Nissan Pathfinder, from MOTORAD and STANT.

Part numbers include MOTORAD 3121, MOTORAD 3122 and STANT 12021.

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 are listed for the 2011 Nissan Pathfinder, from KOYORAD, TYC, AGILITY and 6 other brands. KOYORAD A2807 carries the "Popular" badge.

This group includes KOYORAD A2807, TYC 2807 and AGILITY 8012807 and the remaining 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

7 Radiator Cap parts are listed for the 2011 Nissan Pathfinder, from GATES, CALORSTAT, CSF and 2 other brands. CSF 4503 carries the "Popular" badge.

The Locking Replacement section: 1 option from GATES. GATES 31534 is listed in this group.

The Standard Replacement section: 6 options from CALORSTAT, CSF, SKP and 2 other brands. CSF 4503 is listed in this group.

This group includes CSF 4503, GATES 31534 and SKP SK10233 and the remaining parts above.

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

This group shows a single part: DORMAN 61137.

This table covers the Radiator Fan blades. Typical signs include chatter, streaks, or a skip at the top of the stroke. Confirm left and right lengths in the notes — they are often different. Read more

4 Radiator Fan Blade parts for the 2011 Nissan Pathfinder come from 4 brands — DORMAN, GPD, SKP and 1 other brand.

Part numbers include DORMAN 621345, GPD 2812319 and SKP SK621345, among others listed above.

This table covers the Radiator Fan clutches. Typical signs include slip at highway speed, chatter on takeoff, or a pedal that stays low. Resurface or replace the flywheel with the clutch — a heat-checked flywheel wastes the new disc. Read more

10 Radiator Fan Clutch parts are listed for the 2011 Nissan Pathfinder, from FVP, BECK/ARNLEY, SKP and 6 other brands. BECK/ARNLEY 1300197 carries the "Popular" badge.

This table covers the brackets that mount the Radiator Fan Clutch Bearing. 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

2 Radiator Fan Clutch Bearing Bracket parts are listed for the 2011 Nissan Pathfinder, from DORMAN and GATES.

This group includes DORMAN 300816 and GATES FB1013.

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

10 Radiator Hose parts for the 2011 Nissan Pathfinder come from 4 brands — CONTINENTAL, DAYCO, GATES and 1 other brand. The "Popular" part is GATES 23252.

The Economy section: 2 options from CONTINENTAL and DAYCO. CONTINENTAL 52412 is listed in this group.

Standard Replacement: 8 parts, from GATES, ACDELCO, CONTINENTAL and 1 other brand. A representative part number is GATES 23252.

This table covers the Radiator Mount bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

3 Radiator Mount Bushing parts for the 2011 Nissan Pathfinder come from 3 brands — DORMAN, SKP and ULTRA-POWER.

This group includes DORMAN 926281 and SKP SK926281 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

17 Temperature Sender / Sensor parts are listed for the 2011 Nissan Pathfinder, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, FAMOUS BRAND and 12 other brands. BECK/ARNLEY 1580606 carries the "Popular" badge.

Economy: 7 parts, from FAMOUS BRAND, GPD, HOLSTEIN and 4 other brands. A representative part number is FAMOUS BRAND 180204199.

In the Full Service Kit grade, WALKER PRODUCTS supplies 1 part: grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. A representative part number is WALKER PRODUCTS 21191031.

The Standard Replacement section: 9 options from BECK/ARNLEY, BOSCH, HELLA and 6 other brands. BECK/ARNLEY 1580606 is listed in this group.

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

13 Thermostat parts for the 2011 Nissan Pathfinder come from 10 brands — MOTORAD, JAPANESE OE, AUTOTECNICA and 7 other brands. The "Popular" part is AISIN THN007.

The Economy section: 2 options from AUTOTECNICA and DORMAN. AUTOTECNICA NI0720416 is listed in this group.

Standard Replacement: 11 parts, from MOTORAD, JAPANESE OE, AISIN and 5 other brands. A representative part number is AISIN THN007.

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

10 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2011 Nissan Pathfinder, from FEL-PRO, MAHLE / CLEVITE, VICTOR REINZ and 4 other brands. FEL-PRO 35620 carries the "Popular" badge.

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 are listed for the 2011 Nissan Pathfinder, from APEX, AJUSA and FEL-PRO.

Part numbers include AJUSA 00851900, APEX AWO2081 and APEX AWO2164, 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

19 Water Pump parts for the 2011 Nissan Pathfinder come from 15 brands — SKP, US MOTOR WORKS, GATES and 12 other brands. The "Popular" part is SKP SK1502320.

The Economy section: 9 options from SKP, US MOTOR WORKS, BECK/ARNLEY and 4 other brands. SKP SK1502320 is listed in this group.

Standard Replacement: 10 parts, from GATES, GMB, ACDELCO and 5 other brands. A representative part number is ACDELCO 252831.

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

5 Water Pump Gasket parts are listed for the 2011 Nissan Pathfinder, from FEL-PRO, APEX, BECK/ARNLEY and 2 other brands. FEL-PRO ES70894 carries the "Popular" badge.

This group includes FEL-PRO ES70894, APEX AWP3237 and BECK/ARNLEY 0394127 and the remaining parts above.