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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

CATERPILLAR 345B EXCAVATOR

Model Specifications

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

Belts

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Belt Tensioner
470-746

Belt Tensioner

190-0643

Blower Motors

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Blower Speed Resistor - Variable
220-544

Variable Fan Resistor

125-9740
24 Volt Single Speed, 2 Wire, 5/16 Shaft, Caterpillar
BM24226

Blower Motor, 24V

174-1486

Must Identify by Dimensions

147-4834 Blower Motor Assembly - Caterpillar
BM3852

Blower Motor Assembly - 24V

147-4834
Denso Condenser Motor, 24 Volt
BM3943

Condenser Motor, 24 Volt

263500-0765
4 1/2 Diameter Blower Wheel, 5/16 Shaft, Caterpillar - Reversible
BW240

Blower Wheel

100-3426

Cab Products/Filters

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6C-9226 - Cab Air Filter - Caterpillar
320-9226

Cab Air Filter

6C-9226

Compressors

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OE Denso Compressor 10PA15C - 125mm, 8 Groove Clutch, 24V
503-1208

OE Denso Compressor 10PA15C - 125mm, 8 Groove Clutch, 24V

161-3632, 305-0323

Series II

OE Sanden Compressor SD7H15 - 138mm, 1 Groove Clutch 12V
509-580

OE Sanden Compressor SD7H15 - 138mm, Single Groove Clutch 12V

3E-3658

Can Use Aftermarket Sanden - 509-5803

Alternative Compressor SD7H15 - 138mm, 1 Groove Clutch 12V
509-5803

Alternative Compressor SD7H15 - 138mm, Single Groove Clutch 12V

3E-3658

Can use OE Sanden - 509-580

OE Sanden Compressor SD7H15 - 133mm, 8 Groove Clutch 24V
509-648

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

218-0324
Alternative Compressor SD7H15 - 133mm, 8 Groove Clutch 24V
509-6483

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

218-0324

Can use OE Sanden - 509-648

Compressor
TBA 139-7074

Compressor

139-7074

Condensers

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140-6161 - Condenser - Caterpillar Excavator
400-9011

Condenser

140-6161
130-0253 - Caterpillar Excavator Condenser, 4 Pass
400-9013

Condenser

130-0253

Parallel Flow, Non-Serviceable Design

Evaporators

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147-4812 - Caterpillar Evaporator
590-2529

Evaporator

147-4812
132-4910 - Evaporator - Caterpillar
590-2548

Evaporator

132-4910

Expansion Valves

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Expansion Valve
903-750

Expansion Valve

130-0263
EC2500-01S - Orifice Tube, Red
905-925

Orifice Tube

7X-2049

Heaters, Heater Cores

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141-3024 - Heater Core - Caterpillar
HC2719

Heater Core

141-3024
199-7298 - Heater Core - Caterpillar
HC2720

Heater Core

147-4813, 199-7298

Rec Driers/Accumulators

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2 1/2 X 13 3/4 Quick Coupler - Dry-Tech Series
800-135

Receiver Drier with Quick Couplers and Orifice Tube - Dry-Tech Series

3E-3535

Can use Alternative version - 800-1351

3E-3535, 175-7162 - Receiver Drier - Caterpillar
800-1351

Receiver Drier with Quick Couplers and Orifice Tube - Alternative

3E-3535

Can use HD Dry-Tech version - 800-135

2 1/2 x 11 Male O-Ring - Dry-Tech Series
800-137

HD Dry-Tech Series Receiver Drier with Orifice Tube

175-7162

Can use Alternative version - 800-1371

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

Receiver Drier with Orifice Tube - Alternative

257-3226, 257-3227, 175-7162

Can use HD Dry-Tech version - 800-137

2.95 X 9 Pad Mount - Dry-Tech Series
803-450

Heavy Duty Dry-Tech Receiver Drier

113-3497
2.95 X 9 Pad Mount
803-4501

Standard Duty Receiver Drier

113-3497
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

Sensors

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147-4815 - Temperature Sensor - Caterpillar
28-1051

Temperature Sensor

147-4815

Switches/Electrical

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Binary Pressure Switch, Normally Open
220-1051

Binary Pressure Switch, 7/16" - 20 Female Flare Thread Normally Open

130-0270 - Binary High Pressure Switch - Caterpillar
220-424

Binary Pressure Switch

130-0270

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