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  • AP AIR, INC.
  • 805 13th Street North
  • Humboldt, IA 50548
  • 800-806-5312
  • 1101 Center Street
  • Redding, CA 96001
  • 855-984-8511

CATERPILLAR 120M MOTOR GRADER

Blower Motors

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Blower Speed Resistor - Variable - 12V
220-544

Variable Fan Resistor - 12V

125-9740
385-7511 - OE Caterpillar Blower Motor - 24 Volt, 5/16 Shaft
BM11264

Pressurizer Motor

321-3374, 385-7511
466-7341 - Blower Motor with Wheel, 24V - Caterpillar
BM3512

Blower Motor with Wheel

324-6125, 466-7341

Cab Products/Filters

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Cab Air Filter - Caterpillar
320-2660

Cab Air Filter

211-2660

Compressors

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OE Sanden Compressor SD7H15 - 133mm, 8 Groove Clutch 24V
509-649

OE Sanden Compressor SD7H15 - 133mm, 8 Groove Clutch 24V

163-0872, 464-9988
Alternative Compressor SD7H15 - 133mm, 8 Groove Clutch 24 V
509-6493

Alternative Compressor SD7H15 - 133mm, 8 Groove Clutch 24V

163-0872, 464-9988

Condensers

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Condenser
TBA 251-0982

Condenser

251-0982
Condenser
TBA 364-0676

Condenser

364-0676

Evaporators

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Evaporator
TBA 238-8840

Evaporator

238-8840

Expansion Valves

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GM/Delco - Yellow Evaporator - Mount Orifice Tube
905-902

Orifice Tube - Yellow

189-1707

Heater Actuators

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245-1596 - Caterpillar, 4 Pin Heater Actuator
570-844

Heater Actuator

245-1596

Heaters, Heater Cores

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Heater Core
TBA 238-8839

Heater Core

238-8839

Radiators

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Radiator
TBA 259-0577

Radiator

259-0577

Rec Driers/Accumulators

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2.5 x 11 Male O-Ring - Dry-Tech Series
800-1352

AP Dry-Tech Series Receiver Drier With Orifice Tube

283-4237, 283-4236
2 1/2 x 11 Male O-Ring - Dry-Tech Series
800-137

HD Dry-Tech Series Receiver Drier with Orifice Tube

257-3226
2 1/2 x 11 Male O-Ring
800-1371

Receiver Drier with Orifice Tube - Aftermarket

257-3226, 257-3227, 175-7162
3 1/2 x 9 3/4 Female O-Ring
803-459

Accumulator Without Desiccant - Cat OE Steel

186-6189, 151-5261, 101-8789, 106-1018

Switches/Electrical

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Preset Thermostatic Switch, 24 Capillary Tube
210-936

Thermostatic Switch

119-9631
Preset Thermostatic Switch - Caterpillar
210-973

Thermostatic Switch

3E-5464
114-5333 - Binary Pressure Switch Update Kit, Normally Open - Caterpillar
220-10512

Cat Binary Pressure Switch Update Kit

114-5333

Eliminates Pin Connection at Pressure Switch
Solid Pin Connector on Harness

114-5333 - Cat Binary Pressure Switch, Normally Open with Aftermarket Wire Harness
220-1052

Binary Switch with Aftermarket Wire Harness and Connector

114-5333

Includes Aftermarket Wire Harness
For Switch Only Order a 220-1051

114-5333 - Cat Binary Pressure Switch, Normally Open with OE Wire Harness and Connector with Solid Pins
220-1052HD

Binary Pressure Switch with HD OE Wire Harness and Connector

114-5333

Includes Heavy Duty OE Wire Harness
For Switch Only Order a 220-1051

149-6371 - Low Pressure Switch
220-455

Low Pressure Switch

149-6371
Relay Switch
TBA 115-1615

Relay Switch

115-1615

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