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Freightliner Columbia 112/120 Heat & AC Parts

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  • FREE SHIPPING OVER $249
    Air Brake Manifold 2.45 C To C Bolt Holes Replaces 170.101, 170.1010 For Freightliner

    Air Brake Manifold 2.45 C To C Bolt Holes Replaces 170.101, 170.1010 For Freightliner

    AFTERMARKET

    $131.99
    Air Brake Manifold 2.45 C To C Bolt Holes Fits Freightliner Replaces 170.101, 170.1010* High Quality Air Brake Manifold* Ports:  - (7) 3/8 Inch PLC  - (3) 5/32 Inch PLC  - (5) 1/4 Inch PLC  - (6) 1/8...
    03-05170005
    SKU:
    03-05170005
    Product Type:
    Interior
    $131.99
    Qty in Cart: 0
    Price:
    $131.99
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  • BESTfit Rotary Blower Switch W/ 5 Wire Harness Assembly Replaces 201-902

    BESTfit Rotary Blower Switch W/ 5 Wire Harness Assembly Replaces 201-902

    BESTFIT TRUCK PARTS

    $31.99
    Rotary Blower Switch W/ 5 Wire Harness Assembly By BESTfit Replaces 201-902The BESTfit 5 Wire Rotary Blower Switch Wire Harness Assembly is designed to provide dependable electrical connectivity for...
    09-15030037
    SKU:
    09-15030037
    Product Type:
    Interior
    Make:
    Universal Items
    $31.99
    Qty in Cart: 0
    Price:
    $31.99
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  • 10.63 X 10.63 Inch Cabin Air Filter P609422, Boa91559, Vcct1000921S For Freightliner

    10.63 X 10.63 Inch Cabin Air Filter P609422, Boa91559, Vcct1000921S For Freightliner

    AUTOMANN USA

    $14.72
    Freightliner Cabin Air Filter ReplacementThis Freightliner cabin air filter (for Cascadia, Century, Columbia, and Coronado) is designed for under-hood installation on the passenger side firewall. It...
    03-0713002
    SKU:
    03-0713002
    Product Type:
    Interior
    Make:
    Freightliner
    $14.72
    Qty in Cart: 0
    Price:
    $14.72
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  • AC Machine Spin-On Recycling Filter Dryer For Robinair

    AC Machine Spin-On Recycling Filter Dryer For Robinair

    AFTERMARKET

    $137.99
    Replacement Air Conditioner Recovery and Recycling Machine Filter DrierThe A/C Recycling Spin On Filter Dryer is the perfect solution for keeping your air conditioning system running smoothly. This...
    09-07000005
    SKU:
    09-07000005
    Truck Class:
    Heavy Duty
    Length Options:
    12 Inch
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $137.99
    Qty in Cart: 0
    Price:
    $137.99
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  • Blue Silicone Heater Hose 0.375 Inch X 50 Feet

    Blue Silicone Heater Hose 0.375 Inch X 50 Feet

    AFTERMARKET

    $184.99
    Hydraulic Hose Replaces* High Quality Heater Hose* Silicone* Blue* Dimensions:  - 0.375 Inch ID   - 50 Ft Overall Length* 1 Ply Polyester* Made In USA* Sold Individually* Warranty On Heater Hoses...
    09-07020038
    SKU:
    09-07020038
    Truck Class:
    Heavy Duty
    Material Options:
    Silicone
    Diameter Options:
    3/8 Inch
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $184.99
    Qty in Cart: 0
    Price:
    $184.99
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  • Blue Silicone Heater Hose 1/2 Inch X 50 Feet

    Blue Silicone Heater Hose 1/2 Inch X 50 Feet

    AFTERMARKET

    $202.99
    1/2 Inch X 50 Feet Standard Silicone Heater Hose Replaces 65040* High Quality Heater Hose* Silicone* Blue* Dimensions:  - 0.5 Inch ID   - 50 Ft Overall Length* 1 Ply Polyester* Made In USA* Sold...
    09-07020034
    SKU:
    09-07020034
    Truck Class:
    Heavy Duty
    Diameter Options:
    1/2 Inch
    Material Options:
    Silicone
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $202.99
    Qty in Cart: 0
    Price:
    $202.99
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  • Blue Silicone Heater Hose 3/4 Inch X 50 Feet

    Blue Silicone Heater Hose 3/4 Inch X 50 Feet

    AFTERMARKET

    $247.99
    Standard Silicone Heater Hose Replaces 65042. 160Ax544FDeliver long-lasting, reliable heating performance with this Blue Silicone Heater Hose, engineered for high durability. Reinforced with 1-ply...
    09-07020036
    SKU:
    09-07020036
    Material Options:
    Silicone
    Diameter Options:
    3/4 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $247.99
    Qty in Cart: 0
    Price:
    $247.99
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  • AC Hose Galaxy - Number 12, 5/8 Inch OD X 50ft

    AC Hose Galaxy - Number 12, 5/8 Inch OD X 50ft

    AFTERMARKET

    $606.99
    Hydraulic Hose Replaces* High Quality AC Hose* Dimensions:  - 5/8 Inch Diameter  - 50 Ft Length* Made In USA* Sold Individually* Warranty On AC Hoses Against Defects In Workmanship & Material From...
    09-07000003
    SKU:
    09-07000003
    Material Options:
    Rubber
    Diameter Options:
    5/8 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $606.99
    Qty in Cart: 0
    Price:
    $606.99
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  • Blue Silicone Heater Hose 1/4 Inch X 50 Feet

    Blue Silicone Heater Hose 1/4 Inch X 50 Feet

    AFTERMARKET

    $152.99
    1/4 Inch X 50 Feet Standard Silicone Heater Hose* High Quality Heater Hose* Silicone* Blue* Dimensions:  - 0.25 Inch ID  - 50 Ft Overall Length* 1 Ply Polyester* Made In USA* Sold Individually*...
    09-07020037
    SKU:
    09-07020037
    Truck Class:
    Heavy Duty
    Material Options:
    Silicone
    Diameter Options:
    1/4 Inch
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $152.99
    Qty in Cart: 0
    Price:
    $152.99
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  • Blue Silicone Heater Hose 1 Inch ID X 50 Feet

    Blue Silicone Heater Hose 1 Inch ID X 50 Feet

    AFTERMARKET

    $338.99
    Standard Silicone Heater Hose Replaces 26244. 65043. 160Ax526F* High Quality Heater Hose* Silicone* Blue* Dimensions:  - 1.000 Inch ID  - 50 Ft Overall Length* 1 Ply Polyester* Made In USA* Sold...
    09-07020033
    SKU:
    09-07020033
    Truck Class:
    Heavy Duty
    Material Options:
    Silicone
    Diameter Options:
    1 Inch
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $338.99
    Qty in Cart: 0
    Price:
    $338.99
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  • Aluminum AC J-Block - Replaces A2273366001 For Freightliner Columbia 120

    Aluminum AC J-Block - Replaces A2273366001 For Freightliner Columbia 120

    AFTERMARKET

    $164.99
    Freightliner Columbia 120 Aluminum AC J-Block Replaces A2273366001* High Quality AC J-Block* Made Of Aluminum* Dimensions:  - (1) M8 x 1.25 Threads  - 0.690 Inch Large Tube Outside Diameter  - 0.331...
    03-07000026
    SKU:
    03-07000026
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Engine Parts
    $164.99
    Qty in Cart: 0
    Price:
    $164.99
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  • RigMaster Natural Gas Auxiliary Power Unit For Kohler Engine

    RigMaster Natural Gas Auxiliary Power Unit For Kohler Engine

    RIGMASTER

    $13,908.99
    LG200 RigMaster Natural Gas APU With Heat & Dual BlowerExperience the power and efficiency of the RigMaster Natural Gas APU with dual blower and integrated heat function. Stay warm and comfortable...
    LGN200D
    SKU:
    LGN200D
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $13,908.99
    Qty in Cart: 0
    Price:
    $13,908.99
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  • RigMaster A/C Hose O Ring Kit For Kohler

    RigMaster A/C Hose O Ring Kit For Kohler

    RIGMASTER

    $6.97
    Kohler O Ring Kit For A/C Hose LG9-R KIT* High Quality O Ring Kit * Includes:  - (3) Large O Rings   - (3) Medium O Rings   - (2) Small O Rings* For A/C Hoses * Sold Individually * Warranty On O Ring...
    LG9R KIT
    SKU:
    LG9R KIT
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $6.97
    Qty in Cart: 0
    Price:
    $6.97
    Subtotal:
  • A/C High Side Port Caps - 16 mm, Red, 10 Pack

    A/C High Side Port Caps - 16 mm, Red, 10 Pack

    AUTOMANN USA

    $11.22
    Red 16 mm A/C High Side Port Caps* High Quality Port Cap* Red * 16 MM * 10 Pack * Sold Individually* Warranty On Port Caps Against Defects In Workmanship & Material From Date Of Purchase*** High...
    29-07000016
    SKU:
    29-07000016
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $11.22
    Qty in Cart: 0
    Price:
    $11.22
    Subtotal:
  • Cabin Air Filter Replaces 7977 18-0633 BOA91595 PA5494 For Freightliner

    Cabin Air Filter Replaces 7977 18-0633 BOA91595 PA5494 For Freightliner

    AUTOMANN USA

    $6.53
    Freightliner Cabin Air FilterThe cabin air filter removes harmful pollutants from entering the HVAC system, trapping pollen, dust, odors, and other particles. It filters over 98% of particles at 3...
    03-0713004
    SKU:
    03-0713004
    Truck Class:
    Heavy Duty
    Length Options:
    8 Inch
    Make:
    Freightliner
    Product Type:
    Interior
    $6.53
    Qty in Cart: 0
    Price:
    $6.53
    Subtotal:
  • AC Hose Assembly Replaces A2271914000 For Freightliner

    AC Hose Assembly Replaces A2271914000 For Freightliner

    AFTERMARKET

    $166.99
    Freightliner ISB, Compressor to Condenser AC Hose AssemblyKeep your Freightliner's AC system operating efficiently with this premium AC Hose Assembly. Designed to replace OEM A2271914000, it provides...
    03-07000019
    SKU:
    03-07000019
    Length Options:
    22 1/2 Inch
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Engine Parts
    $166.99
    Qty in Cart: 0
    Price:
    $166.99
    Subtotal:
  • AC J-Block Replaces A2273447000 For Freightliner

    AC J-Block Replaces A2273447000 For Freightliner

    AFTERMARKET

    $198.99
    Freightliner A/C Junction BlockMaintain your Freightliner's cooling performance with the AC J-Block, replacement for A2273447000. Built to OEM standards, it features I.D. 0.464, 0.695, 0.430 inches,...
    03-07000033
    SKU:
    03-07000033
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Freightliner
    Product Type:
    Engine Parts
    $198.99
    Qty in Cart: 0
    Price:
    $198.99
    Subtotal:
  • 24.15 Inch AC Hose Assembly Replaces A22-69921-000 For Freightliner

    24.15 Inch AC Hose Assembly Replaces A22-69921-000 For Freightliner

    AFTERMARKET

    $152.99
    AC Hose Assembly, Connects RD to J-BlockThe 24.15 Inch AC Hose Assembly is the perfect replacement for A22-69921-000, keeping your Freightliner's air conditioning system operating at top performance...
    03-07000014
    SKU:
    03-07000014
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Engine Parts
    $152.99
    Qty in Cart: 0
    Price:
    $152.99
    Subtotal:
  • 16.32 Inch AC Hose Assembly Replaces A22-69919-000 For Freightliner

    16.32 Inch AC Hose Assembly Replaces A22-69919-000 For Freightliner

    AFTERMARKET

    $133.99
    AC Hose Assembly - Connects H01 to Compressor* High Quality AC Hose Assembly* H01 To Compressor* Dimensions:  - 16.320 Inch Hose Length  - 0.750 Inch Hose Outside Diameter  - 0.618 Inch Tube Outside...
    03-07000015
    SKU:
    03-07000015
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $133.99
    Qty in Cart: 0
    Price:
    $133.99
    Subtotal:
  • Cab Fresh Pre-Filter For Freightliner Century, Columbia And Coronado Models

    Cab Fresh Pre-Filter For Freightliner Century, Columbia And Coronado Models

    CAB FRESH FILTER CO.

    $14.27
    Pre-Filter Mounts Under Hood on Passenger Side* High Quality Pre-Filter* Filter Mounts Under Hood On Passenger Side* Made In USA* Sold Individually* Warranty On Pre-Filters Against Defects In...
    03-09057000
    SKU:
    03-09057000
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Freightliner
    Product Type:
    Exterior
    $14.27
    Qty in Cart: 0
    Price:
    $14.27
    Subtotal:
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Adding your products to cart

Stay comfortable in every season. When you're driving long hours, cabin comfort isn't a luxury—it's a must. Keep your Freightliner Columbia 112 or 120 running cool in the summer and warm in the winter with high-quality aftermarket heating and A/C parts built for heavy-duty performance.

Aftermarket Freightliner Columbia 112/120 Heating & A/C Parts

Whether you're troubleshooting weak airflow or replacing a worn-out A/C compressor, we've got the parts that keep your climate control system working like it should. Shop top replacement parts like: - HVAC blower motors for strong, steady airflow - Heater cores and evaporators to regulate cabin temps - A/C compressors, expansion valves & condensers - Control panels and temperature switches - Hoses, fittings, and blend doors that fit right the first time
Every part in this collection is designed for a perfect fit with Freightliner Columbia 112 and 120 models, so you don’t waste time on trial-and-error installs. With tough construction and reliable performance, these components keep you riding in comfort mile after mile.

Fix it fast. Stay cool. Or heat things up—on your terms.

Browse Freightliner Columbia 112/120 engine cooling parts alongside replacement HVAC parts now and keep your cab climate dialed in all year long.

Frequently Asked Questions About Freightliner Columbia 112/120 Heat & AC Parts

Will these heat and AC parts fit my specific Columbia model year?

Our heat and AC parts are designed for Freightliner Columbia 112 and 120 models manufactured between 2001-2017. However, there are some variations depending on whether you have a standard cab or raised roof configuration. We recommend checking your OEM or calling us with your truck's specific details to ensure proper fitment, as some components changed slightly after the 2011 model year refresh.

What's the difference between OEM and aftermarket HVAC components for my Columbia?

OEM parts are manufactured to Freightliner's original specifications and typically cost 30-50% more than aftermarket options. Quality aftermarket brands like Red Dot and Bergstrom offer comparable performance and often include improved designs that address common failure points in the original parts. For critical components like evaporator cores and compressors, many drivers prefer OEM for longevity, while items like blower motors and cabin filters perform equally well in aftermarket versions.

How difficult is it to replace the heater core or evaporator in a Columbia?

Replacing the heater core typically requires 4-6 hours and involves removing the dashboard lower panel and HVAC housing. The evaporator replacement is more complex, requiring 6-8 hours as it involves evacuating the AC system, remoOEMg the entire HVAC box, and recharging the system afterward. Most drivers with moderate mechanical experience can handle heater core replacement, but evaporator work requires AC service equipment and EPA certification for refrigerant handling.

Why is my Columbia's AC not cooling properly even after adding refrigerant?

Low refrigerant is rarely the only issue. Common culprits include a failing compressor clutch, clogged orifice tube, leaking evaporator core, or faulty pressure switches. The Columbia's AC system is also prone to condenser blockage from road debris. Before adding more refrigerant, have the system pressure tested and check for proper compressor engagement. Many Columbia owners report that replacing the orifice tube and receiver-dryer during any AC service prevents recurring problems.

What replacement schedule should I follow for Columbia HVAC maintenance parts?

For optimal performance, replace the cabin air filter every 12,000 miles or annually, whichever comes first. The receiver-dryer should be changed whenever the AC system is opened or every 3-4 years. Blower motor resistors typically last 100,000-150,000 miles but may fail sooner in high-use situations. Consider preventive replacement of the heater control valve around 200,000 miles, as this inexpensive part commonly fails and can leave you without heat in cold weather.


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