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Freightliner FLC112 Heat & AC Parts

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  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 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
    Subtotal:
  • 8.5 X 8.5 Inch Cabin Air Filter For Freightliner

    8.5 X 8.5 Inch Cabin Air Filter For Freightliner

    AUTOMANN USA

    $11.37
    Under-Dash Passenger Side Air Filter Removes 98 Percent of Pollen, Dust & OdorsThis high-performance cabin air filter is for under the passenger side dash. It effectively traps dust, pollen, odors,...
    03-0713003
    SKU:
    03-0713003
    Product Type:
    Interior
    Make:
    Freightliner
    $11.37
    Qty in Cart: 0
    Price:
    $11.37
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • 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:
  • FREE SHIPPING OVER $249
    BESTfit AC Expansion Valve, Block Style 329403, 329413, 3916182, For Freightliner & Other Models

    BESTfit AC Expansion Valve, Block Style 329403, 329413, 3916182, For Freightliner & Other Models

    BESTFIT TRUCK PARTS

    $28.90
    BESTfit AC Expansion Valve* High Quality AC Expansion Valve* Made Of Aluminum* Block Style* Max Operating Pressure: 0.55+0.035* 4 Superheat* 2 Tonnage* (1) 5/8 x 18 Inlet Port* (1) 7/8 x 14 Inlet...
    29-070047
    SKU:
    29-070047
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $28.90
    Qty in Cart: 0
    Price:
    $28.90
    Subtotal:
  • FREE SHIPPING OVER $249
    Blower Switch 12 Volt 20 Amp 5 Terminal 3 Position

    Blower Switch 12 Volt 20 Amp 5 Terminal 3 Position

    AFTERMARKET

    $10.42
    Universal Blower Switch* High Quality Bower Switch* 12 Volt * 20 Amp Rating* 3 Position - Knob Not Included* 5 Terminal Hook Up* For AC And Heater Fan Control* Sold Individually* Warranty On Bower...
    2199005
    SKU:
    2199005
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $10.42
    Qty in Cart: 0
    Price:
    $10.42
    Subtotal:
  • BESTfit 5.1875 Inch Diameter Steel Blower Motor Wheel For Red Dot Units Replaces 73R-6200

    BESTfit 5.1875 Inch Diameter Steel Blower Motor Wheel For Red Dot Units Replaces 73R-6200

    BESTFIT TRUCK PARTS

    $26.35
    BESTfit 5.1875 X 3.375 Inch Steel Blower Motor Wheel With 5/16 Inch Hub Bore* High Quality Blower Motor* Material: Steel* Hub Bore 5/16 Inch Diameter* Hub Inset 7/8 Inch * Dual Rotation* 5-3/16 Inch...
    09-150300001
    SKU:
    09-150300001
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $26.35
    Qty in Cart: 0
    Price:
    $26.35
    Subtotal:
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Adding your products to cart

The Freightliner FLC112 Heat & AC Parts product lineup offers a comprehensive selection of components to keep your semi-truck's climate control system running at its best. This product lineup features a wide range of high-quality replacement parts, including AC hoses, compressors, expansion valves, sensors, and more - all designed to fit Freightliner FLC112 models. Whether you need to repair a malfunctioning AC system or upgrade to improved heating and cooling capabilities, you'll find the essential parts you need in this product lineup. Maximize the comfort and efficiency of your Freightliner with the top-tier parts and accessories available here.

Frequently Asked Questions About Freightliner FLC112 Heat & AC Parts

Will these A/C and heater parts fit my specific year FLC112?

Most of our heat and A/C components are compatible with Freightliner FLC112 models from 1990 through 2003. However, there were minor changes in mounting brackets and hose connections between early models (1990-1995) and later ones (1996-2003). Always check the product description for specific year ranges, or contact our support team with your OEM to confirm exact fitment before ordering.

What are the most common installation challenges when replacing the heater core or A/C evaporator?

The biggest challenge is accessing the HVAC box behind the dash, which typically requires removing the glove box and potentially loosening the dash panel. You'll need basic hand tools plus a refrigerant recovery system for A/C work. The heater core usually takes 3-4 hours to replace, while evaporator replacement can take 4-6 hours. We recommend having new heater hoses and clamps on hand, as the old ones often break during removal.

Are aftermarket blower motors as reliable as OEM, and do they come with the correct connectors?

Our aftermarket blower motors meet or exceed OEM specifications and typically last 5-7 years with normal use. Most units come with the standard 2-wire connector that matches factory wiring. However, some early FLC112s used a 3-wire setup with a resistor pack - if you have this configuration, you may need an adapter harness. Always verify your current motor's amp rating (usually 20-25 amps) to ensure proper replacement.

What's the difference between R12 and R134a A/C components, and which do I need?

FLC112s built before 1994 came with R12 systems, while 1994 and newer models use R134a. The main differences are in the compressor oil type, pressure switches, and service port fittings. If you're converting from R12 to R134a, you'll need a conversion kit with new O-rings, oil, and adapter fittings. Never mix components between systems - R134a runs at higher pressures and requires compatible seals throughout.

How do I know if I need to replace just the compressor clutch or the entire A/C compressor?

If your A/C compressor engages but doesn't cool, or makes grinding noises, you likely need a full compressor replacement. If the clutch won't engage at all but spins freely by hand, often just the clutch assembly needs replacement. A burnt smell or visible clutch damage usually means clutch-only replacement is sufficient. Our clutch assemblies include the coil, pulley, and bearing, and typically cost 60-70% less than a complete compressor.


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