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Off Road

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Air Conditioning Parts and Supplies

  • Toll Free: 800-806-5312
  • West Coast: 855-984-8511
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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

KOMATSU D51EX-24 CRAWLER DOZER

A/C Hose - High Pressure Side

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12Y-979-1222 - Compressor to Condenser Hose - Compressor End
7-12Y9791222

Compressor to Condenser Hose - Compressor End

12Y-979-1222

Serial Number 10001 and Above
Serial Number B20001 and Above

Liquid - Middle Cab Post Line
TBA 12Y-979-1212

Liquid - Middle Cab Post Line

12Y-979-1212

Serial Number 10001 and Above
Serial Number B20001 and Above

Condenser to Receiver Drier Hose
TBA 12Y-979-1230

Condenser to Receiver Drier Hose

12Y-979-1230

Serial Number 10001 and Above
Serial Number B20001 and Above

Liquid - Lower Cab Post Line
TBA 12Y-979-1472

Liquid - Lower Cab Post Line

12Y-979-1472

Serial Number 10001 and Above
Serial Number B20001 and Above

A/C Hose - Low Pressure Side

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Roof Suction Hose
TBA 12Y-979-1271

Roof Suction Hose

12Y-979-1271

Serial Number 10001 and Above
Serial Number B20001 and Above

Suction - Middle Cab Post Line
TBA 12Y-979-1283

Suction - Middle Cab Post Line

12Y-979-1283

Serial Number 10001 and Above
Serial Number B20001 and Above

Suction - Lower Cab Post Line
TBA 12Y-979-1482

Suction - Lower Cab Post Line

12Y-979-1482

Serial Number 10001 and Above
Serial Number B20001 and Above

Belts

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04120-21737 - A/C Compressor Belt, 1 Groove, 37.25 - Komatsu
9-21737

A/C Belt - 1 Groove, 37.25"

04120-21737

Serial Number 10001 and Above
Serial Number B20001 and Above

Blower Motors

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Blower Speed Resistor - Variable - 24V
220-543

Blower Resistor, 24V

RD-5-9062-0P

Serial Number 10001 and Above
Serial Number B20001 and Above

AT387317 - Blower Assembly, 24V - John Deere
BM40414

Blower Assembly, 24V

RD-5-9204-3P

Serial Number 10001 and Above
Serial Number B20001 and Above

Cab Products/Filters

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Filter - Recirculation
TBA - 12Y-979-6180

Filter - Recirculation

12Y-979-6180

Serial Number 10001 and Above
Serial Number B20001 and Above

Filter - Fresh Air
TBA 12Y-979-1174

Filter - Fresh Air

12Y-979-1174

Serial Number 10001 and Above
Serial Number B20001 and Above

Charge Air Coolers

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Charge Air Cooler
TBA 12Y-03-32692

Charge Air Cooler

12Y-03-32692

Serial Number 10001 and Above
Serial Number B20001 and Above

Compressors

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OE Sanden Compressor SD5H14 - 132mm, 2 Groove Clutch 12V
509-422

OE Sanden Compressor SD5H14 - 132mm, 2 Groove Clutch 12V

12Y-Z79-3121

Serial Number 10001 and Above
Serial Number B20001 and Above

Alternative Compressor SD5H14 - 132mm, 2 Groove Clutch 12V
509-4223

Aftermarket Sanden SD5H14, 5 1/4" 2 Groove Clutch, Vertical 8 and 10 O-Ring

12Y-Z79-3121

Serial Number 10001 and Above
Serial Number B20001 and Above

Condensers

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AT207545 - Condenser - John Deere
400-5991

Condenser

RD-4-5452-0P

Serial Number 10001 and Above
Serial Number B20001 and Above

Parallel Flow, Non-Serviceable Design

Evaporators

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RD-2-4087-0P - Replacement Evaporator for R-9000 Unit
RD-2-4087-0P

Evaporator

RD-2-4087-0P

Serial Number 10001 and Above
Serial Number B20001 and Above

Expansion Valves

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Expansion Valve
903-705

Expansion Valve, Block Type

RD-5-9513-0P

Serial Number 10001 and Above
Serial Number B20001 and Above

Heaters, Heater Cores

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RD-1-2567-0P - Replacement Heater Core, R-9000 Units
RD-1-2567-0P

Heater Core

RD-1-2567-0P

Serial Number 10001 and Above
Serial Number B20001 and Above

Radiators

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Radiator
TBA 12Y-03-32671

Radiator

12Y-03-32671

Serial Number 10001 and Above
Serial Number B20001 and Above

Rec Driers/Accumulators

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3 x 10 Male and Female O-Ring
803-338

Receiver Drier

12Y-979-1140

Serial Number 10001 and Above
Serial Number B20001 and Above

Switches/Electrical

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Preset Thermostatic Switch, 24 Capillary Tube
210-936

Thermostatic Switch

RD-5-4531-24P

Serial Number 10001 and Above
Serial Number B20001 and Above

Binary Pressure Switch Normally Open, 10mm x 1.25
220-436

High Pressure Switch

12Y-979-1441

Serial Number 10001 and Above
Serial Number B20001 and Above

Blower Switch
TBA 12Y-979-1423

Blower Switch

12Y-979-1423

Serial Number 10001 and Above
Serial Number B20001 and Above

Pressure Switch
TBA 12Y-979-1570

Pressure Switch

12Y-979-1570

Serial Number 10001 and Above
Serial Number B20001 and Above

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