Part-category buyer guides

Heating & A/C

Heating, ventilation, blower, and air-conditioning parts. Choose your vehicle family below, then check the guide's part numbers and application notes. Parts from different vehicle families are not necessarily interchangeable.

17 verified buyer guides

350Z/G35

350Z A/C Compressors, Clutch and Drier Fitment

2003-2008 Nissan 350Z; early/late VQ35DE production and VQ35HR compressor families must be selected by VIN and installed unit.

View guide
350Z/G35

2003-2009 Nissan 350Z Under-Dash Heater, Evaporator and Blower Module Identification

US/LHD Nissan 350Z factory under-dash HVAC modules only: 2003-2008 Coupe and 2004-2009 Roadster, with exact 2009 Roadster VIN/build confirmation. Separate heater/air-mix case, cooling/evaporator case and blower module; resolve body, production, VQ35DE versus VQ35HR, manual versus automatic climate equipment and exact installed/service identity. Exclude Infiniti G35 assumptions, 370Z, non-US/RHD, universal under-dash units and external compressor, clutch, condenser, receiver-drier or line selection retained by Z33-0038.

View guide
BMW E36/E46

E36 Blower Motor, Resistor Pack and Final-Stage Unit

1992-1999 E36 heater/air-conditioning blower. Manual climate resistor and automatic climate final-stage unit are different systems; production and option equipment matter.

View guide
BMW E36/E46

E46 325i Sedan M54 A/C Compressor Build Split, Drier and Expansion Valve

US/LHD 2001-2005 BMW E46 325i sedan with M54 engine and factory R134a air conditioning. The 325xi, wagon, coupe, convertible, M56 SULEV, M52TU, S54/M3, diesel, Compact, engine-swapped and refrigerant-converted applications are excluded.

View guide
BMW E36/E46

E46 Blower Motor and Final-Stage Unit Diagnosis

1999-2006 BMW E46 climate blower system including sedan, coupe, convertible, wagon and M3; verify vehicle and climate-control equipment.

View guide
BMW E36/E46

US/LHD BMW E46 Under-Dash Heater, Evaporator and Blower-Case Assembly Identification

Factory air-conditioned US/LHD 1999-2006 BMW E46 Sedan, Touring, Coupe, Convertible and M3 under-dash heater/evaporator/blower cases only. Identify recipient and donor VIN/build, body, RWD/xi, engine, IHKA versus IHKR, physical housing/module labels and complete installed equipment. Exclude heater-only/non-A/C cases, E36/E9x/E83 donor assumptions, non-US/RHD cars, external compressor/condenser/drier selection and unsupported control conversions.

View guide
BMW E36/E46

E46 M3 Heater Valve, Auxiliary Water Pump, Heater Core and Hose Diagnosis

US/LHD 2001-2006 E46 M3 only: BL93 Coupe and BR93 Convertible, S54B32, six-speed manual or SMG II, with factory automatic climate control. The checked BMW catalogs retain the same heater-circuit identities across the model-year range and label transmission fitment neutral. Exclude every non-M E46, E36, M3 CSL, E83/X3, Z3 M, RHD/non-US car, manual-climate conversion, engine swap and S54 conversion.

View guide
FRS/BRZ/86

First-Generation FR-S/BRZ/86 Blower Motor: Manual Resistor vs Automatic Controller

2013-2016 Scion FR-S (ZN6); 2013-2020 Subaru BRZ (ZC6); 2017-2020 Toyota 86 (ZN6); U.S.-market first generation only; identify manual HVAC versus dual-zone automatic HVAC from installed controls and VIN.

View guide
FRS/BRZ/86

First-Generation FR-S/BRZ/86 Integrated Under-Dash HVAC Unit and Case Identification

US/LHD 2013-2016 Scion FR-S, 2013-2020 Subaru BRZ and 2017-2020 Toyota 86 factory integrated under-dash HVAC unit and service-case components only. Resolve both recipient and donor VIN/build, badge, production and installed manual HVAC versus automatic dual-zone climate equipment before selecting a complete unit, case half, heater core, evaporator or expansion valve. Exclude 2022-up GR86/BRZ, non-US/RHD assumptions, universal under-dash systems, unsupported cross-badge whole-case interchange, external compressor/clutch/condenser/line work retained by ZN6-0041 and standalone blower-motor/resistor/controller diagnosis retained by ZN6-0045.

View guide
FRS/BRZ/86

First-Generation FR-S/BRZ/86 A/C Compressor, Clutch and Contamination Scope

2013-2020 first-generation FR-S, BRZ and Toyota 86. Confirm badge/VIN catalog, refrigerant specification, compressor label and included components.

View guide
Miata

NA/NB Miata A/C Compressor and Refrigerant-Era Identification

1990-2005 NA/NB Miata air conditioning. 1990-1993 R12-era systems and 1994-up R134a-era systems are not mixed; 2004 production/VIN compressor changes require confirmation.

View guide
Miata

NA/NB Miata Blower Motor, Resistor and Fan-Speed Diagnosis

1990-2005 NA/NB Miata. Resistor applications split around 1995/1997, and NB motor/housing selection must be checked by year.

View guide
Miata

NA and NB Miata Under-Dash HVAC Modules: Heater, Evaporator and Blower Case Identification

US/LHD 1990-1997 NA and 1999-2005 NB Mazda MX-5 Miata factory under-dash heater, evaporator/cooling and blower housing modules. Select each module separately by recipient VIN/generation, production and factory A/C equipment; verify installed/service identity, core or valve interfaces, doors/linkages/cables, firewall ports, drain, ducts, wiring and written contents. Exclude the US 1998 gap, NC/ND, non-US/RHD assumptions, universal under-dash systems, unsupported whole-case or NA/NB interchange, contaminated or cracked donors and any unqualified refrigerant or hot-coolant service.

View guide
S197 Mustang

S197 Mustang A/C Compressor, Clutch and Condenser Fitment

2005-2014 Mustang A/C system across 4.0L, 3.7L, 4.6L, 5.0L, 5.4L and 5.8L applications. Engine, model year and compressor configuration are mandatory.

View guide
S197 Mustang

S197 Mustang Blower Motor, Resistor and Speed Controller

2005-2014 Mustang blower system. Manual stepped-resistor and automatic/variable-speed controller applications differ, with a 2010-era transition requiring VIN/equipment confirmation.

View guide
S197 Mustang

S197 Mustang HVAC Blend-Door and Mode-Door Actuators

2005-2014 Mustang HVAC air-distribution system. Door position, production period and manual versus automatic climate equipment determine the actuator.

View guide
S-chassis

US 240SX Cabin Blower Motor, Resistor, Relay and Fan-Switch Diagnosis

US-market 1989-1998 Nissan 240SX with the original manual HVAC control and four fan-speed positions, regardless of manual or automatic transmission. JDM/import digital automatic climate control, fan-amplifier conversions, A/C refrigerant service, heater-core work and engine-cooling fans are excluded.

View guide