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Case Dozer Air Conditioner / Heater Parts

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Case Dozer Air Conditioner / Heater Parts parts list
Image Fits Model Description Part # Price Product Details
Case wheel loader AC compressor 621B–921B See Details 621B, 621C, 721B, 721C, 821B, 821C*, 921, 921B, 850E, 850G, 855E, 1150G A/C Compressor 1990760C1
$280.00
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Sanden A/C Compressor for Case Backhoe See Details 570LXT, 570MXT, 570SV, 570V, 580K, 580 Super K, 580L, 580 Super L, 580M, 580 Super M, 590 Turbo, 590 Super L, 590 Super M, 780D, 650G, 650H, 650K, 650L, 850H, 850K, 850L, 1150H, 90XT, 95XT, LB75.B, LB90.B, B95, B110, LB110.B, B115, LB115.B AC Compressor 86993462
$428.00
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A/C compressor for Case 1650K dozer See Details 1650K, 1850K, SV212, SV214, SV216, SV218 A/C Compressor 76047005
$280.00
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OE Sanden SD7H15HD Compressor – 152mm, 8-Groove, 24V for Case Loaders & Dozers See Details 1021F, 1021G, 1121F, 1121G, 521D, 621D, 650M, 750M, 1150M, 1650M, 2050M AC Compressor 86983968
$469.00
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Case AC Compressor Clutch Drive Pulley -- A189155 See Details 650G, 850E, 850G, 855E, 1150E, 1150G, 1155E, 621, 621B, 621C, 721, 721B, 721C, 821, 821B, 821C, W14B, W14VC, 9040B, 9045B, CX330 Compressor Clutch Drive Pulley A189155
$144.00
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138886A1 Original Sanden A/C Clutch with 12V Coil, 2 Groove, for SD7H15 Compressors See Details 621B, 621C, 721B, 721C, 821B, 821C, 921, 921B, 921C, 921E, 850E, 850G, 855E, 1150G, 1150K, 1650L A/C Clutch for Sanden SD7H15 Compressor 138886A1
$210.00
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Case cab A/C compressor clutch for SD7H15 compressors See Details 570LXT, 570MXT, 580L, 580 Super L, 580M, 580 Super M, 590 Super L, 590 Super M, 1150H, 650G, 650H, 650K, 750H, 750K, 850H, 850K, 85XT, 90XT, 90XT, 95XT, 95XT A/C Compressor Clutch 135324A1
$149.00
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24 Volt Heavy-Duty Blower Update Kit for Case Crawler Dozers & Backhoes See Details 850B, 850C, 855C, 850D, 855D, 1150C, 1150D, 1150E, 1155D, 1155E, 1450B, 1455B, 1550, 680H, 680K, 780B, 780C, W14B, W30 24V Blower Update Kit F96902
$315.00
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AC blower motor drive R54415 for Case 650G dozer See Details 650G, 650H, 750H, 850H, 1150H, 580K, 580SK, 590 Turbo, 680K, 680L, 780C, 780D Blower Motor Drive R54415
$104.00
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HVAC blower wheel for Case 621 and 721 wheel loaders See Details 580D, 580K, 580SE, 580SK, 590T, 621, 621B, 650G, 650H, 680H, 680K, 680L, 721, 721B, 750H, 780B, 780C, 780D, 821, 821B, 850D, 850E, 850G, 850H, 855D, 855E, 921, 921B, 1150D, 1150E, 1150G, 1150H, 1450B, 1550, W14B, W14C, W18B, W20C, W30, W36 AC Blower Wheel F64935
$39.00
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AC blower speed resistor F44900 for Case 580D See Details 580D, 580E, 580G, 580K, 580SE, 580SD, 580SK, 590 Turbo, 680K, 680L, 780C, 780D, 650G, 650H, 750H, 850H, 1150H Blower Speed Resistor F44900
$17.00
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AC high-pressure switch 92153C1 for Case 580K See Details 580K, 580SK, 590 Turbo, 680L, 780D, 1150E, 1155E, 650G, 850E, 850G, 855E, 621, 621B, 721, 721B, 821, 821B, 921 High Pressure Switch 92153C1
$42.00
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AC low-pressure switch 122579A1 for Case wheel loaders See Details 521D-F, 621B-F, 721B-F, 821B,C,E,F, 921,B,C,F, 1021F*, 1121F*, 650G,H, 750H, 850E,G,H, 855E, 1150G,H, 570LXT, MXT, NXT, NEP, 85XT, 90XT, 95XT, 580SK, 580L, 580SL, 580M*, 580SM*, 590SL, 590SM* A/C Low-Pressure Switch 122579A1
$49.00
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AC high-pressure switch 232948A1 for Case 580 Super K See Details 580SK, 580L, 580SL, 580M, 580SM, 580N, 580SN, 590SL, 590SM, 590SN, 570LXT, 570MXT, 570NXT, 521D, 521F, 621B, 621C, 621D, 621E, 621F, 721B, 721C, 721D, 821B, 821C, 821E, 821F, 921B, 921C, 921F, 650G, 650H, 750H, 850E, 850G, 850H, 855E, 1150G, 1150H AC High Pressure Switch 232948A1
$40.00
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Externally equalized expansion valve F64389 for Case loaders See Details W14, W14FL, W14H, W14B, W14C, W18, W18B, W20, W20B, W20C, W24C, W30, W36, 1150D, 1150E, 1155D, 1155E, 1450B, 1455B, 1550, 850D, 855D, 580D, 580E, 580G, 580K, 580SD, 580SE, 680H, 680K, 780B, 780C AC Expansion Valve (19" Tube) F64389
$29.00
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Heater control valve for 5/8" hose on Case backhoes and loaders See Details 580M, 580SM, 580N, 580N EP, 580SN, 590SM, 590SN, 680L, 780D, 650G, 650H, 750H, 850E, 850G, 850H, 855E, 1150E, 1150G, 1150H, 1155E, 521D, 621, 621C, 721D, 821C, 921C, 845, 865, 885 Cab Heater Control Valve 92131177
$70.00
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Heater hose shut-off valve 301803R91 for Case 1150B See Details 1150B, 1150C, 1150D, 1150E, 1150G, 1150H, 1150K, 1150M, 1155D, 1155E, 1450B, 1455B, 1550, 1650L, 1650M, 2050M Valve, Cab Heater Hose 301803R91
$35.00
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AC compressor belt S82985 for Case 1150E dozer See Details 1150E, 1155E, 1150G, 650G, 850E, 850G, 855E, 1080, 1080B, 1187, 1187B, 40E, 621, 621B, 621C, 721B, 821B A/C Compressor Belt S82985
$24.00
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AC expansion valve 1990756C1 for Case 580N backhoe See Details 650G, 650H, 650L, 650M, 750H, 750M, 850E, 850G, 850H, 850M, 1150G, 1150H, 521D, 621, 621D, 721, 721D, 821, 821D, 921, 921D, 570LXT, 570MXT, 580K, 580L, 580M, 580N, 580SN, 580SK, 580SL, 580SM, 590SL, 590SM, 590SN, 85XT, 90XT, 95XT, 845B, 865B, 885B AC Expansion Valve 87033212
$34.00
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Case Receiver Drier for 580 Super M, 87773506 See Details 580K*, 580SK, 580L, 580SL, 580M, 580SM, 590T, 590SL, 590SM, 680L, 780D, 570LXT, 570MXT, 650G, 650H, 750H, 850E, 850G, 850H, 855E, 1150G, 1150H, 621, 721B, 821C, 921C, 85XT, 90XT, 95XT A/C Receiver Drier 1990758C2
$44.00
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Cab Fresh Air Filter for Case Dozers See Details 650H, 750H, 850C, 850D, 850E, 850G, 850H, 855C, 855D, 855E, 1150C, 1150D, 1150E, 1150G, 1150H, 1155D, 1155E, 1550, 1490, 1690, 1896, 2090, 2094, 2096, 2290, 2294, 2390, 2394, 2590, 2594, 2670, 2870, 3294, 3394, 3594, 4490, 4494, 4690, 4894, 4994 Cab Fresh Air Filter F64318
$99.00
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A/C compressors, clutches, blower motors, expansion valves, receiver driers, heater valves, and related cab climate parts for Case crawler dozers spanning decades of production — from early 850B and 1150C models through current 2050M and 1850K machines.

Fits Models At A Glance

  • 650 Series: 650G, 650H, 650K, 650L, 650M
  • 750 Series: 750H, 750K, 750M
  • 850 Series: 850B, 850C, 850D, 850E, 850G, 850H, 850K, 850L, 850M, 855C, 855D, 855E
  • 1150 Series: 1150B, 1150C, 1150D, 1150E, 1150G, 1150H, 1150K, 1150M, 1155D, 1155E
  • 1450/1455 Series: 1450B, 1455B
  • 1550/1650/1850 Series: 1550, 1650L, 1650K, 1650M, 1850K
  • 2050 Series: 2050M

Key Notes

  • Voltage: Both 12V and 24V compressors and blower kits available — verify cab electrical system before ordering
  • Compressor Types: Covers Sanden SD7H15, SD7H15HDAC, and FLX7 clutch-style compressors
  • Heater Components: Includes shut-off valves and control valves for 5/8" hose heater circuits on older through late-model cabs
  • Blower Components: Blower motors, blower wheels, speed resistors, and 24V heavy-duty blower update kits available for older cab retrofits
  • Fresh Air Filtration: Cab fresh air filters available for 850 and 1150 series dozers

Why Choose Broken Tractor

  • ✅ Broad Case dozer fitment across six decades of models
  • ✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH
  • ✅ Knowledgeable staff ready to confirm part compatibility

Frequently Asked Questions

What A/C compressor fits a Case 850 or 1150 dozer?

The correct compressor depends on your dozer's model letter and cab voltage. Broken Tractor carries an A/C compressor (SKU 86993462) for the 650G, 650H, 650K, 650L, 850H, 850K, 850L and 1150H, and a 24V compressor (SKU 1990760C1) for the 850E, 850G, 855E and 1150G. For late models, the Sanden SD7H15HDAC (SKU 86983968) fits the 650M, 750M, 1150M, 1650M and 2050M, and SKU 76047005 fits the 1650K and 1850K. Match the part number on your old compressor or call (800) 909-7060 to confirm fitment before ordering.

Do I need a 12V or 24V blower or compressor for my Case dozer?

Check your cab electrical system first, because Broken Tractor offers both 12V and 24V compressors and blower kits for Case dozers. The 24V AC compressor (SKU 1990760C1) fits the 850E, 850G, 855E and 1150G. The 24 Volt Heavy-Duty Blower Update Kit (SKU F96902) is made for older cab retrofits on the 850B, 850C, 855C, 850D, 855D, 1150C, 1150D, 1150E, 1155D, 1155E, 1450B, 1455B and 1550.

Can I replace just the A/C compressor clutch on a Case dozer?

Yes, Broken Tractor sells compressor clutches separately from complete compressors. The clutch for SD7H15 compressors (SKU 135324A1) fits the 650G, 650H, 650K, 750H, 750K, 850H, 850K and 1150H, while the Sanden clutch (SKU 138886A1) fits the 850E, 850G, 855E, 1150G, 1150K and 1650L. An FLX7 clutch pulley (SKU A189155) is also available for the 650G, 850E, 850G, 855E, 1150E, 1150G and 1155E. Match your compressor type and model before ordering.

What heater valve fits a Case 1150 dozer?

Broken Tractor carries a cab heater hose shut-off valve (SKU 301803R91) that fits the 1150B, 1150C, 1150D, 1150E, 1150G, 1150H, 1150K, 1150M, 1155D and 1155E, along with the 1450B, 1455B, 1550, 1650L, 1650M and 2050M. We also offer a heater control valve for 5/8 inch hose (SKU 92131177) that fits the 1150E, 1150G, 1150H and 1155E, plus the 650G, 650H, 750H, 850E, 850G, 850H and 855E.

Which Case dozers use a cab fresh air filter?

Broken Tractor's cab fresh air filter (SKU F64318) fits the Case 650H, 750H, 850C, 850D, 850E, 850G, 850H, 855C, 855D and 855E dozers. It also fits the 1150C, 1150D, 1150E, 1150G, 1150H, 1155D, 1155E and 1550. If your model is not listed, compare the part number on your current filter before ordering.

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Product: Category: Case Dozer Air Conditioner / Heater Parts Brand: Head Title: Case Dozer A/C & Heater Parts | Broken Tractor