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

CATERPILLAR 312B EXCAVATOR

Model Specifications

Compressor Type R134 Refrigeration (lbs) Compressor Oil (oz) Compressor Oil Viscosity
Sanden2.4

Belts

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Compressor Belt

068-5590

Fits 2NS, 9GR

A/C Belt

061-7139

Fits 6SW, 9NW

Blower Motors

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Blower Motor, 24V

174-1486

Fits 6SW, 9NW

Blower Motor Assembly - 24V

147-4834

Fits 2NS156 and Above, 9GR413 and Above

Blower Wheel

100-3426

Fits 6SW, 9NW

Blower Wheel

115-3811

Fits 2NS1 - 2NS155, 9GR1 - 9GR412

Blower Motor Resistor

124-4040

Fits 2NS1 - 2NS155, 9GR1 - 9GR412

Blower Motor Resistor

147-4824

Fits 9GR413 and Above

Blower Motor Resistor

159-7858

Fits 2NS156 and Above

Blower Motor Assembly

5I-3566

Fits 2NS1 - 2NS155, 9GR1 - 9GR412

Compressors

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OE Denso Compressor 10PA15C - 134mm, 1 Groove Clutch, 24V

154-0490

Fits 2NS156 and Above, 9GR413 and Above

Can Use Alternative Denso 503-12243

OE Sanden Compressor SD7H15 - 138mm, Single Groove Clutch, 24V

3E-1906

Fits 2NS1 - 2NS155, 6SW, 9GR1 - 9GR412, 9NW

Can Use Alternative Sanden - 509-5863

Condensers

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Condenser

130-0253

Fits 2NS156 and Above, 9GR413 and Above

Parallel Flow, Non-Serviceable Design

Condenser

105-9407

Fits 2NS1 - 2NS155, 9GR1 - 9GR412

Condenser

114-5281

Fits 6SW, 9NW

Evaporators

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Evaporator

147-4812

Fits 2NS156 and Above

Evaporator

105-9507

Fits 2NS1 - 2NS155, 9GR1 - 9GR412

Evaporator

132-4910

Fits 6SW, 9NW

Evaporator

142-4812

Fits 9GR1 - 9GR412

Expansion Valves

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Expansion Valve

105-9509

Fits 2NS1 - 2NS155, 9GR1 - 9GR412

Expansion Valve

130-0263

Fits 2NS156 and Above, 9GR413 and Above

Heaters, Heater Cores

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Heater Core

141-3024

Fits 6SW, 9NW

Heater Core

147-4813

Fits 2NS156 and Above, 9GR413 and Above

Heater Core

5I-3556

Fits 2NS1 - 2NS155, 9GR1 - 9GR412

Radiators

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Radiator

185-8981, 118-9948

Fits 2NS, 9GR

Radiator

164-3557

Fits 6SW, 9NW

Rec Driers/Accumulators

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Switches/Electrical

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Cat Binary Pressure Switch Update Kit

114-5333

Fits 6SW, 9NW

Eliminates Pin Connection at Pressure Switch
Solid Pin Connector on Harness

Binary Switch with Aftermarket Wire Harness and Connector

114-5333

Fits 6SW, 9NW

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

Binary Pressure Switch with HD OE Wire Harness and Connector

114-5333

Fits 6SW, 9NW

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

High Pressure Switch

130-0270

Fits 2NS156 and Above, 9GR413 and Above

Temperature Sensor

133-9014

Fits 6SW, 9NW

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