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Western Star

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The AC system in your Western Star vehicle works by utilizing four main components: the compressor, condenser, expansion valve, and evaporator. They play a crucial role in the cooling process, working together to maintain a comfortable temperature inside the cabin. Check it out: Read More

Compressor for Western Star: Responsible for pressurizing and circulating the refrigerant.

Condenser for Western Star: Dissipates heat from the refrigerant, causing it to condense into a high-pressure liquid.

Expansion Valve for Western Star: Regulates the flow of refrigerant into the evaporator by causing a pressure drop.

Evaporator for Western Star: Absorbs heat from the air inside the vehicle, cooling it down.

Like any vehicle system, the air conditioning system can wear down over time. If you notice any issues, have it inspected and repaired by a qualified mechanic. Regular maintenance can help prevent major problems. For solutions, check out our website, and contact Qualy Air. We have parts for all vehicle models from top brands known for excellence, durability, and efficiency.

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New A/C ReceiverDrier for Kenworth ANY - OE# 540173 - Qualy Air New A/C ReceiverDrier for Kenworth ANY - OE# 540173 - Qualy Air Quick View
CM Compressor

New A/C ReceiverDrier for Kenworth ANY - OE# 540173

$48.83 $43.99
DS200186
1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 [CloudSearch app] All products A/C Receiver Drier AC Delco All (KLIP CUPON 5%) All Products All products except Kits ALL PRODUCTS EXCEPT UPSELLS Best Selling Products CYBER WEEK QUALYAIR 2025 Heavy Duty All Products Heavy Duty All Products OEM New Products Newest Products On Sale Other Products SALE - PRODUTOS EM PROMOCAO SALE ITEMS QUALYAIR Sanden Truck AC Parts Truck Receiver Drier Valeo Western Star Western Star Winter Deals Qualy Air
Brand New A/C Receiver Drier See List for Fitment We kindly ask that you attempt to resolve a problem with us instead of leaving...
A/C Compressor for Western Star 4800, 4900, 4900E, 4900EX, 4900FA, 4900SA.. - Qualy Air A/C Compressor for Western Star 4800, 4900, 4900E, 4900EX, 4900FA, 4900SA.. - Qualy Air Quick View
Universal Air Conditioner

A/C Compressor for Western Star 4800, 4900, 4900E, 4900EX, 4900FA, 4900SA..

$180.99
DS100279
1990 1991 1992 1993 1994 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2008 2009 2010 7%OFF DISCOUNT OFFER [CloudSearch app] All products A/C Compressor AC Delco All (KLIP CUPON 5%) All Products All products except Kits ALL PRODUCTS EXCEPT UPSELLS Best Selling Products Compressor Matching Condenser 40%off Freightliner Freightliner Heavy Duty All Products Heavy Duty All Products OEM LIFETIME WARRANTY $149 New Products Newest Products Other Products PRODUCTS 55 to 188 Sanden Truck AC Parts Truck Compressors Valeo Western Star Western Star White Gmc White/GMC
Specifications Grooves 2 Refrigerant R134A Voltage 12 MOUNT TYPE Direct Cylinder Head JD Port Type Vertical Gauge Line (mm) 54.55 Clutch Diameter (mm) 132...
Sold out
AC Condenser for Freightliner Cascadia Series / Western Star 4900EX 4900FA.. - Qualy Air AC Condenser for Freightliner Cascadia Series / Western Star 4900EX 4900FA.. - Qualy Air Quick View
CM Compressor

AC Condenser for Freightliner Cascadia Series / Western Star 4900EX 4900FA..

$123.99
CN 40906PFC
2008 2009 7%OFF DISCOUNT OFFER [CloudSearch app] All products All (KLIP CUPON 5%) All Products All products except Kits ALL PRODUCTS EXCEPT UPSELLS Best Selling Products Compressor Matching Condenser 40%off Heavy Duty All Products Heavy Duty All Products OEM LIFETIME WARRANTY $149 New Products Newest Products Sale Itens CM qualyair 2025 Truck AC Parts Truck Condensers Western Star Western Star
Brand: CM Compressor Type: A/C Condenser Manufacturer Part Number: 2262271001 OE/OEM Part Number: 2262271001,A2266824001,A2272459000 Manufacturer Warranty: 1 Year Refrigerant: R134a Interchange Part Number: 1140906;1512032;2262271001;2266824001;2450525;40815;6388;79083...
New A/C Condenser for Western Star 3700, 3800,4900, 4900E, 5800, 5900.. - Qualy Air New A/C Condenser for Western Star 3700, 3800,4900, 4900E, 5800, 5900.. - Qualy Air Quick View
CM Compressor

New A/C Condenser for Western Star 3700, 3800,4900, 4900E, 5800, 5900..

$188.99
CN 41612PFC
1997 1998 1999 2000 2001 2002 7%OFF DISCOUNT OFFER [CloudSearch app] All products A/C Condenser AC Delco All (KLIP CUPON 5%) All Products All products except Kits ALL PRODUCTS EXCEPT UPSELLS Best Selling Products Compressor Matching Condenser 40%off Heavy Duty All Products Heavy Duty All Products OEM LIFETIME WARRANTY $149 New Products Newest Products Other Products Sanden Truck AC Parts Truck Condensers Valeo Western Star Western Star
Brand: CM CompressorType: A/C CondenserManufacturer Part Number: 612033409OE/OEM Part Number: 612033409Refrigerant: R134aInterchange Part Number: Western,Star,612033409,61203-3409Returns Accepted: Returns AcceptedWarranty: 1 YearFeatures: 100% Leak Tested,Durability Tested,No...
New A/C Expansion Valve for AGCO/ALLIS 9800, 9815/ ALLIS CHALMERS CO.. - Qualy Air New A/C Expansion Valve for AGCO/ALLIS 9800, 9815/ ALLIS CHALMERS CO.. - Qualy Air Quick View
CM Compressor

New A/C Expansion Valve for AGCO/ALLIS 9800, 9815/ ALLIS CHALMERS CO..

$34.99
IS400022
1984 1985 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 7%OFF DISCOUNT OFFER [CloudSearch app] All products A/C Expansion Valve AC Delco Agricultural A/C Parts Agricultural Expansion Valve All (KLIP CUPON 5%) All Products All products except Kits ALL PRODUCTS EXCEPT UPSELLS Best Selling Products Dodge Dodge Freightliner Freightliner Mack Mack New Products Newest Products Other Products Sanden Valeo Western Star Western Star
Brand New A/C Expansion Valve See List for Fitment We kindly ask that you attempt to resolve a problem with us instead of leaving...
New A/C Evaporator for MACK CH / Western Star 4900FA, 4900EX, 4900SA - Qualy Air New A/C Evaporator for MACK CH / Western Star 4900FA, 4900EX, 4900SA - Qualy Air Quick View
Universal Air Conditioner

New A/C Evaporator for MACK CH / Western Star 4900FA, 4900EX, 4900SA

$240.99
EV 9409170PFC
1997 1998 2013 2014 2015 7%OFF DISCOUNT OFFER [CloudSearch app] All products A/C Evaporator AC Delco All (KLIP CUPON 5%) All Products All products except Kits ALL PRODUCTS EXCEPT UPSELLS BEAT THE WINTER 7 QUALY Best Selling Products FEED PRODUTOS HIGH TICKET Heavy Duty All Products Heavy Duty All Products OEM LIFETIME WARRANTY $149 Mack Mack New Products Newest Products Other Products Products 189+ PRODUCTS 189+ Sanden Truck AC Parts Truck Evaporator Valeo Western Star Western Star
Brand: Universal Air ConditionerType: A/C EvaporatorManufacturer Part Number: 4379RD218981OE/OEM Part Number: 4379RD218981Manufacturer Warranty: 1 YearRefrigerant: R134aInterchange Part Number: 052659;307480;307565;4005300;4379RD218981;4711976;5003869;6654Returns Accepted: Returns AcceptedWarranty: 1 YearFeatures:...
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