OEM Infiniti AC System Parts

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Your HVAC system keeps you and your passengers comfortable through all manners of weather. It does so by controlling cooling, heating, and ventilation of your cabin wherever your adventures take you.

How Your AC System Works

The air conditioning system is more complex, since it has four major components to it. The compressor pressurizes the refrigerant, converting it into a hot gas. A condenser cools that gas to turn it into a liquid form. The liquid runs through an expansion valve that turns it back into a gas, but a low pressure one. Lastly, the evaporator uses a fan to quickly cool the low-pressure gas down, resulting in the cold air that blows through the air vents and into your passenger space.

Heating is much simpler. Hot coolant gets drawn out of the engine and into a heater core. A front-mounted fan blows air over the core fins, directing warm air into the cabin.

Eventually, though, the HVAC system can begin to struggle to produce either cold or warm air as needed. Maybe the seals have weakened, or hoses have become too degraded with age. Whatever the cause, you'll want to repair the issue promptly in order to remain comfortable.

How to Spot HVAC Problems

Signs of trouble include:

  • The sweet, syrupy smell of coolant
  • You have trouble keeping a consistent cabin temperature
  • The cabin feels steamy

Genuine INFINITI AC System Parts Work Best

If you experience any of these symptoms, check your vehicle's air filter first. If it's in good condition, inspect your complete AC system to find the source of your trouble. If any components need to be replaced, choose the ones that were made specifically to work with your model. Those would be the genuine INFINITI parts shown here in our online auto parts catalog. Buy yours today and you'll be repairing the problem in no time at all!

Sensor Assembly - Gas
MSRP $259.62
$178.82
Part Number: 27718-1MA0B
Other Names: AC Temp Sensor, Air Quality Sensor, Sensor, Air/Fuel Sensor, HVAC Pressure Switch, Sensor Assembly - Gas More Names
Replaces: 27718-1MA0A, 27718-ED00A, 27718-EY90A
Description: Q60. 5.0L, gas. More Info
Fits:
  • Infiniti:
    • FX50,
    • G25,
    • G37,
    • JX35,
    • M35h,
    • M37,
    • M56,
    • Q40,
    • Q50,
    • Q60,
    • Q70,
    • QX56,
    • QX60,
    • QX70
  • 9 more
Relay
MSRP $45.00
$34.60
Part Number: 25230-79942
Other Names: HVAC Blower Motor Relay, Accessory Power Relay More Names
Replaces: 25230-79943
Description: Instrument panel, blue. Instrument panel & body. Fx. Color-Blue. Engine compartment, 2.0L, ignition, panasonic. Body, type 2. Coupe,... More Info
Notes: Included with junction block. Included with fuse & relay box. More Notes
Fits:
  • Infiniti:
    • EX35,
    • EX37,
    • FX35,
    • FX37,
    • FX45,
    • FX50,
    • G25,
    • G35,
    • G37,
    • M37,
    • M56,
    • Q40,
    • Q50,
    • Q60,
    • Q70,
    • Q70L,
    • QX50,
    • QX56,
    • QX70,
    • QX80
  • 15 more
Actuator Assembly - Mode
MSRP $205.07
$141.25
Part Number: 27731-JN60A
Other Names: Actuator, HVAC Air Inlet Door Actuator, Actuator Assembly - Mode More Names
Replaces: 27731-AL500, 27731-CA000
Description: Coupe,. Fresh air. More Info
Notes: Included with AC & heater assembly. More Notes
Fits:
  • Infiniti:
    • FX35,
    • FX45,
    • G35
HVAC Blend Door Actuator
MSRP $92.32
$65.25
Part Number: 27732-8J100
Options: Right
Other Names: Temp Motor, Actuator, Actuator Assembly - Air Mix More Names
Description: #1. Sedan, air mix. Coupe, without dual zone ac. More Info
Notes: Included with AC & heater assembly. Included with evaporator assembly. More Notes
Fits:
  • Infiniti:
    • FX35,
    • FX45,
    • G35,
    • M35,
    • M45
HVAC Blend Door Actuator
MSRP $233.82
$161.05
Part Number: 27732-AM610
Options: Left
Other Names: Actuator, Temp Motor, Door Actuator, Actuator Assembly - Air Mix More Names
Description: Air mix. #2. Q60. Coupe, with dual zone ac. Q40. More Info
Notes: Included with AC & heater assembly. Included with evaporator assembly. More Notes
Fits:
  • Infiniti:
    • EX35,
    • EX37,
    • FX35,
    • FX37,
    • FX45,
    • FX50,
    • G25,
    • G35,
    • G37,
    • M35,
    • M45,
    • Q40,
    • Q60,
    • QX50,
    • QX70
  • 10 more
HVAC Air Inlet Door Actuator
MSRP $230.55
$158.80
Part Number: 27730-AL500
Other Names: Actuator, Actuator - Air Intake Box More Names
Description: Coupe,. More Info
Notes: Included with blower assembly. Part included blower assembly. More Notes
Fits:
  • Infiniti:
    • FX35,
    • FX45,
    • G35
Switch Assembly - Heat Seat
MSRP $256.58
$162.01
Part Number: 25500-JJ50C
Options: Right, Right Front, Left, Right Rear, Left Front, Left Rear
Other Names: Seat Heat Switch, AC Switch, Switch Assembly Heat Seat More Names
Replaces: 25500-1BN0A, 25500-JJ50A, 25500-JJ50B
Fits:
  • Infiniti:
    • EX35,
    • EX37,
    • G25,
    • G37,
    • Q40,
    • Q60,
    • QX50,
    • QX70
  • 3 more
Switch Assembly - Heat Seat
MSRP $270.09
$170.54
Part Number: 25500-JJ51C
Options: Left, Left Front, Right, Right Front
Other Names: Seat Heat Switch, AC Switch, Switch Assembly Heat Seat More Names
Replaces: 25500-1BN1A, 25500-JJ51A, 25500-JJ51B
Fits:
  • Infiniti:
    • EX35,
    • EX37,
    • G25,
    • G37,
    • Q40,
    • Q60,
    • QX50,
    • QX70
  • 3 more
Accessory Drive Belt
MSRP $33.00
$27.68
Part Number: 11920-0E001
Other Names: AC Belt, Belt - Compressor More Names
Replaces: 11920-0E011
Description: Routing:Crk,Alt,Comp. Alternator and Compressor. G20. Mitsuboshi. From 01/1994. More Info
Notes: Also Drives Alternator. More Notes
Fits:
  • Infiniti:
    • G20
Evaporator Core Seal
MSRP $9.28
$7.79
Part Number: 27287-AL501
Options: Left Upper
Other Names: Case Gasket, HVAC Case Seal, Seal - Cooling Unit More Names
Description: Coupe,. Upper. More Info
Notes: Included with AC & heater assembly. More Notes
Fits:
  • Infiniti:
    • G35
Switch - A/C
MSRP $237.95
$150.24
Part Number: 25170-1ME0C
Options: Left Front, Left, Right, Right Front
Other Names: Seat Heat Switch, Seat Switch, AC Switch, Switch - A/C More Names
Replaces: 25170-1ME0A, 25170-1ME0B
Description: Front seat, with cooled. Left. QX60. Right. Q70L. Air conditioning, with premium pkg. Air conditioning, all. 2019, with ventilated... More Info
Notes: Included with console assembly. More Notes
Fits:
  • Infiniti:
    • JX35,
    • M35h,
    • M37,
    • M56,
    • Q70,
    • Q70L,
    • QX60
  • 2 more
Switch - A/C
MSRP $237.95
$150.24
Part Number: 25170-1ME1C
Options: Right Front, Right, Left, Left Front
Other Names: Seat Heat Switch, Seat Switch, AC Switch, Switch - A/C More Names
Replaces: 25170-1ME1A, 25170-1ME1B
Description: Front seat, with cooled. Right. QX60. Left. Q70L. Air conditioning, with premium pkg. Air conditioning, all. 2019, with ventilated... More Info
Notes: Included with console assembly. More Notes
Fits:
  • Infiniti:
    • JX35,
    • M35h,
    • M37,
    • M56,
    • Q70,
    • Q70L,
    • QX60
  • 2 more
Switch - A/C
MSRP $250.18
$157.96
Part Number: 25170-JJ50C
Options: Left Front, Right, Right Front
Other Names: Seat Heat Switch, AC Switch, Seat Switch, Switch - A/C More Names
Replaces: 25170-JJ50A, 25170-JJ50B
Description: FX35, FX50, FX37. G25, G37. Air conditioning, without premium pkg. QX70. Right. Front seats, with climate control. Convertible, 2009,... More Info
Notes: Included with console assembly. More Notes
Fits:
  • Infiniti:
    • FX35,
    • FX37,
    • FX50,
    • G37,
    • M37,
    • M56,
    • QX56,
    • QX70,
    • QX80
  • 4 more
Switch - A/C
MSRP $250.18
$157.96
Part Number: 25170-JJ51C
Options: Right Front, Left, Left Front
Other Names: Seat Heat Switch, AC Switch, Seat Switch, Switch - A/C More Names
Replaces: 25170-JJ51A, 25170-JJ51B
Description: FX35, FX50, FX37. G25, G37. Air conditioning, without premium pkg. QX70. Left. Front seats, with climate control. Convertible, 2009,... More Info
Notes: Included with console assembly. More Notes
Fits:
  • Infiniti:
    • FX35,
    • FX37,
    • FX50,
    • G37,
    • M37,
    • M56,
    • QX56,
    • QX70,
    • QX80
  • 4 more
Amplifier
MSRP $861.87
$583.31
Part Number: 27760-1UX8A
Other Names: Hvac Control Module More Names
Replaces: 27760-1UX0A, 27760-1UX5A
Description: Fits EX35, EX37 EX35. Journey Model. w/ Premium Audio. A/c Control, w/ navigation. More Info
Fits:
  • Infiniti:
    • EX35
Alternator Belt
MSRP $33.00
$27.68
Part Number: 11920-2Y501
Other Names: AC Belt, Belt - Compressor More Names
Description: I30. More Info
Fits:
  • Infiniti:
    • I30
Alternator Belt
MSRP $31.10
$26.09
Part Number: 11920-31U02
Other Names: AC Belt, Belt - Compressor More Names
Replaces: 11920-31U00
Description: I35. More Info
Fits:
  • Infiniti:
    • I30,
    • I35
Discharge Hose
MSRP $105.12
$74.30
Part Number: 92490-5DB0A
Other Names: AC Hose, Hose - Flexible-High More Names
Description: QX30. More Info
Fits:
  • Infiniti:
    • QX30
A/C System Information Label
MSRP $12.93
$10.85
Part Number: 27090-1MA0A
Other Names: AC Label, Label Air Con More Names
Fits:
  • Infiniti:
    • M35h,
    • Q70
Pipe - Front Cooler-High
MSRP $218.00
$150.16
Part Number: 92440-3WK0A
Options: Front
Other Names: AC Line, Pipe Front Cooler High More Names
Replaces: 92440-JK600
Description: Fits EX35, EX37, G25, G35, G37, G37X, Q40, Q60 High. More Info
Fits:
  • Infiniti:
    • EX35,
    • EX37,
    • G25,
    • G35,
    • G37,
    • Q40,
    • Q60,
    • QX50
  • 3 more
Pipe - Front Cooler-Low
MSRP $200.60
$138.17
Part Number: 92450-3WK0A
Other Names: AC Line, Pipe - Front Cooler- Low More Names
Replaces: 92450-JK600
Description: Low. More Info
Fits:
  • Infiniti:
    • G25,
    • G35,
    • G37,
    • Q40,
    • Q60
Heater Hose
MSRP $23.12
$19.39
Part Number: 92400-JK200
Other Names: HVAC Heater Hose, Hose - Heater-Inlet More Names
Description: Inlet. Pipe to Connector. Incl.Connector. Pump & components, #4. More Info
Fits:
  • Infiniti:
    • M35h,
    • Q50,
    • Q70
Pressure Switch
MSRP $57.18
$44.53
Part Number: 92137-4S100
Other Names: HVAC Pressure Switch, Switch Assembly - Pressure More Names
Description: I30. More Info
Notes: Included with dehydrator. More Notes
Fits:
  • Infiniti:
    • I30
Heater Core Grommet
MSRP $16.35
$13.71
Part Number: 92580-AL510
Other Names: HVAC Heater Core Grommet, Grommet-Rubber More Names
Replaces: 92580-AL500
Description: Coupe,. Sedan,. More Info
Notes: Included with AC & heater assembly. More Notes
Fits:
  • Infiniti:
    • G35
Seal
MSRP $16.27
$13.64
Part Number: 28714-AL500
Other Names: Side Seal, HVAC Blower Case Seal More Names
Description: #2. Coupe,. Side. More Info
Notes: Included with blower assembly. Part included blower assembly. More Notes
Fits:
  • Infiniti:
    • FX35,
    • FX45,
    • G35
Heater Hose
MSRP $13.33
$11.18
Part Number: 92410-EY00A
Other Names: HVAC Heater Hose, Hose - Heater-Outlet More Names
Description: Outlet. Pump & components, #6. From 04/2012. More Info
Fits:
  • Infiniti:
    • EX37,
    • FX37,
    • G37,
    • M35h,
    • M37,
    • Q40,
    • Q50,
    • Q60,
    • Q70,
    • Q70L,
    • QX50,
    • QX70
  • 7 more
Motor & Fan Assembly - Blower
MSRP $217.87
$150.07
Part Number: 27225-1EA0A
Other Names: Fan & Motor, HVAC Blower Motor Assembly, HVAC Blower Motor, Motor Assembly - Blower W/Case More Names
Replaces: 27220-AR200, 27225-AM600, 27225-AM610, 27225-AM611, 27225-AM61A, 27225-AR211
Description: Fx. G35. Q45. From 4/97. Sedan,. M45. Coupe,. Incl.Impeller and HVAC Blower Motor Control Module. More Info
Notes: Included with blower assembly. Part included blower assembly. More Notes
Fits:
  • Infiniti:
    • FX35,
    • FX45,
    • G35,
    • M45,
    • Q45,
    • QX4
  • 1 more
A/C Refrigerant Discharge Hose
MSRP $106.18
$75.05
Part Number: 92490-5DB3A
Other Names: AC Hose, Discharge Hose, Hose - Flexible-High More Names
Description: From 01/2018. QX30. More Info
Fits:
  • Infiniti:
    • QX30
Heater Core
MSRP $206.40
$142.17
Part Number: 27325-ZQ00A
Options: Rear
Other Names: HVAC Heater Core, Core Assembly Rear Heater More Names
Description: QX56. Rear ac, 2008-10. From 04/07. For Auxiliary HVAC. More Info
Fits:
  • Infiniti:
    • QX56
Heater Hose Bracket
MSRP $29.10
$24.41
Part Number: 92457-1MG0A
Other Names: HVAC Heater Hose Bracket, Bracket - Heater Pipe More Names
Description: Pump & components. #1. More Info
Fits:
  • Infiniti:
    • M35h,
    • Q70
Heater Hose Bracket
MSRP $29.10
$24.41
Part Number: 92457-1MG1A
Other Names: HVAC Heater Hose Bracket, Bracket - Heater Pipe More Names
Description: Pump & components. #2. More Info
Fits:
  • Infiniti:
    • M35h,
    • Q70
Heater Hose
MSRP $15.85
$13.29
Part Number: 92401-JK20A
Other Names: HVAC Heater Hose, Hose - Front Heater-3 More Names
Description: Inlet. Connector to Heater Core. Pump & components, #5. More Info
Fits:
  • Infiniti:
    • EX35,
    • EX37,
    • FX35,
    • FX37,
    • G25,
    • G35,
    • G37,
    • M35h,
    • M37,
    • Q40,
    • Q50,
    • Q60,
    • Q70,
    • Q70L,
    • QX50,
    • QX70
  • 11 more
Cabin Air Temperature Sensor
MSRP $60.00
$46.73
Part Number: 27720-9CH0A
Other Names: In-Car Sensor, AC Temp Sensor, Sensr - Incar Floor More Names
Replaces: 27720-7S500, 27720-EB000, 27720-ZQ00A
Description: QX56. 2004-07. 2008-10. More Info
Fits:
  • Infiniti:
    • QX56
A/C Pipe
MSRP $236.58
$162.96
Part Number: 92440-AM601
Options: Front
Other Names: Cooler Pipe, AC Line, Pipe - Front Cooler-High More Names
Description: Fits G35 Coupe, high. Sedan, high. More Info
Fits:
  • Infiniti:
    • G35
A/C Refrigerant Hose
MSRP $201.97
$139.11
Part Number: 92450-AM600
Other Names: Cooler Pipe, AC Line, Pipe - Front Cooler-Low More Names
Description: Low. More Info
Fits:
  • Infiniti:
    • G35
Duct Cover
MSRP $50.18
$39.08
Part Number: 27840-AM600
Options: Left
Other Names: Vent, HVAC Unit Case Cover, Duct Assembly - Foot More Names
Description: Black/gray. More Info
Notes: Order by description. More Notes
Fits:
  • Infiniti:
    • FX35,
    • FX45,
    • G35
Duct Cover
MSRP $48.27
$40.49
Part Number: 27841-AM600
Options: Right
Other Names: Vent, HVAC Unit Case Cover, Duct Assembly - Foot More Names
Description: Black/gray. More Info
Notes: Order by description. More Notes
Fits:
  • Infiniti:
    • FX35,
    • FX45,
    • G35
Door
MSRP $59.00
$45.95
Part Number: 27245-AL500
Options: Rear Front, Rear
Other Names: Rear Door, HVAC Mode Door, Door - Intake Blower-Front More Names
Description: #2. Coupe,. Intake front. More Info
Notes: Included with blower assembly. Part included blower assembly. More Notes
Fits:
  • Infiniti:
    • FX35,
    • FX45,
    • G35
Motor & Fan Assembly - Blower
MSRP $393.45
$271.01
Part Number: 27220-7J201
Other Names: Fan & Motor, HVAC Blower Motor, Motor & Fan Assembly - Blower More Names
Replaces: 27220-1W600, 27220-40U00, 27220-40U01, 27220-40U02, 27220-40U03, 27220-7J100, 27220-7J101
Description: I30. QX4. G20. More Info
Notes: Included with blower assembly. More Notes
Fits:
  • Infiniti:
    • G20,
    • I30,
    • QX4
AC Assembly
MSRP $428.12
$294.89
Part Number: 27405-3KA0A
Other Names: Cooling Unit More Names
Description: Without hybrid. More Info
Fits:
  • Infiniti:
    • JX35,
    • QX60
AC Assembly
MSRP $780.75
$533.10
Part Number: 27405-3JV0A
Other Names: Cooling Unit More Names
Description: With hybrid. More Info
Fits:
  • Infiniti:
    • QX60
Relay
MSRP $35.44
$27.25
Part Number: 25230-7996A
Options: Rear, Front
Other Names: ECM Relay, HVAC Blower Motor Relay, Horn Relay, Lock Relay More Names
Replaces: 25230-79963, 25230-79964, 25230-C9963, 25230-C9973
Notes: Included with junction block. More Notes
Fits:
  • Infiniti:
    • FX35,
    • FX45,
    • G20,
    • G35,
    • I30,
    • I35,
    • J30,
    • M35,
    • M37,
    • M45,
    • M56,
    • Q45,
    • Q50,
    • Q60,
    • Q70,
    • Q70L,
    • QX4,
    • QX50,
    • QX56,
    • QX60,
    • QX80
  • 16 more
Motor Assembly - Blower W/Case
MSRP $215.80
$148.64
Part Number: 27225-JK61A
Options: Front
Other Names: Fan & Motor, HVAC Blower Motor, Motor Assembly - Blower W/Case More Names
Replaces: 27225-CA000, 27225-CA001, 27225-CA002, 27225-JK60B, 27225-JK60D, 27225-JK60E
Notes: Included with blower assembly. More Notes
Fits:
  • Infiniti:
    • EX35,
    • EX37,
    • FX35,
    • FX37,
    • FX50,
    • G25,
    • G35,
    • G37,
    • JX35,
    • M35,
    • M45,
    • Q40,
    • Q50,
    • Q60,
    • QX50,
    • QX60,
    • QX70
  • 12 more
Door - Intake Blower-Front
MSRP $56.80
$44.24
Part Number: 27245-1BP1A
Options: Front, Rear
Other Names: Front Door, HVAC Mode Door, Door - Air-_#5 F/Def More Names
Replaces: 27245-AL501
Description: #1. Coupe,. Intake rear. Intake blower, front. More Info
Notes: Included with blower assembly. Part included blower assembly. More Notes
Fits:
  • Infiniti:
    • EX35,
    • EX37,
    • FX35,
    • FX45,
    • G25,
    • G35,
    • G37,
    • M35,
    • M45,
    • Q40,
    • Q60,
    • QX50
  • 7 more
Sensor Assembly - Pressure
MSRP $81.77
$63.68
Part Number: 92136-1FA0A
Other Names: Pressure Switch, HVAC Pressure Switch, A/C Refrigerant Pressure Sensor, Sensor Assembly - Pressure More Names
Replaces: 92136-6J010, 92136-7S000, 92136-EL00A, 92136-ZT00A
Description: G35. M35, M45. Coupe,. Fx. Sedan,. More Info
Notes: Included with dehydrator. Included with condenser assembly. More Notes
Fits:
  • Infiniti:
    • FX35,
    • FX37,
    • FX45,
    • FX50,
    • G20,
    • G25,
    • G35,
    • G37,
    • I30,
    • I35,
    • M35,
    • M35h,
    • M37,
    • M45,
    • M56,
    • Q40,
    • Q45,
    • Q50,
    • Q60,
    • Q70,
    • Q70L,
    • QX4,
    • QX50,
    • QX56,
    • QX70
  • 20 more
Sensor Assembly - Ambient
MSRP $61.72
$48.06
Part Number: 27710-31U00
Other Names: Air Temp Sensor, Temp Sensor, Ambient Air Temperature Sensor, AC Temp Sensor, Sensor Assembly - Ambient More Names
Replaces: 27722-31U00
Fits:
  • Infiniti:
    • EX35,
    • EX37,
    • FX35,
    • FX50,
    • G20,
    • G25,
    • G35,
    • G37,
    • I30,
    • I35,
    • M35h,
    • M37,
    • M45,
    • M56,
    • Q45,
    • QX4
  • 11 more
Sensor
MSRP $74.98
$53.53
Part Number: 27720-15U00
Other Names: Temp Sensor, In-Car Sensor, In-Car Temp Sensor, AC Temp Sensor, Air Temp Sensor, Sensor - Incar More Names
Fits:
  • Infiniti:
    • EX35,
    • EX37,
    • FX35,
    • FX45,
    • FX50,
    • G20,
    • G25,
    • G35,
    • G37,
    • I30,
    • I35,
    • M35,
    • M45,
    • Q45,
    • QX4,
    • QX50,
    • QX56
  • 12 more
A/C Line O-Ring
MSRP $3.67
$3.08
Part Number: 92473-N823A
Options: Upper, Lower, Rear
Other Names: Pipe Assembly O-Ring, Rear AC Tube O-Ring, Suction Line O-Ring, Rear Suction Line O-Ring, Suction Hose O-Ring, Rear Suction Hose... More Names
Replaces: 92473-N8210
Description: Large. Upper. 3.0L. For A/C Refrigerant Suction Hose. Low. Location-A/C Expansion Valve. 2.0L. For A/C Suction Pipe. Location-Junction. More Info
Notes: Included with rear AC tube. Included with pipe assembly. Included with rear suction line. Included with rear suction hose. More Notes
Fits:
  • Infiniti:
    • G20,
    • JX35,
    • Q50,
    • Q60,
    • QX50,
    • QX56,
    • QX60,
    • QX80
  • 3 more

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