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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 120H MOTOR GRADER

Model Specifications

Compressor Type R134 Refrigeration (lbs) Compressor Oil (oz) Compressor Oil Viscosity
Sanden3.5 - 4.6

A/C Hose

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Receiver Drier to Evaporator Hose
7-8X7152

Receiver Drier to Evaporator Hose

8X-7152
Suction Hose - Evaporator to Accumulator
7-8X7153

Suction Hose - Evaporator to Accumulator

8X-7153
Suction Hose - Compressor End
7-8X7154

Suction Hose - Compressor End

8X-7154
Hose
TBA 198-1942

Hose

198-1942
Hose
TBA 198-1943

Hose

198-1943
Hose
TBA 198-1944

Hose

198-1944

Belts

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A/C Compressor Belt - 1 Groove, 72.5
9-1136

Compressor Belt

8N-2814

Length 72.5"

A/C Compressor Belt - 1 Groove, 104.06, CAT
9-1737178

A/C Belt

173-7178

Length 104.06"

A/C Compressor Belt - 8 Groove, 100
9-2700

Compressor Belt - 8 Groove

197-4567

Length 100"

Blower Motors

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Cat Blower Resistor, 3 Spade, 24V
220-5443

Blower Motor Resistor

9G-1950
24 Volt Single Speed, 2 Wire, 5/16 Shaft, Caterpillar
BM24226

Blower Motor, 24V

174-1494, 316-1927

Fits Applications with Steel Housing

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

Blower Wheel

100-3426

Cab Products/Filters

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7T-7358 - Cab Filter - Caterpillar
320-7358

Cab Filter

7T-7358
9X4986 - Cab Filter - Caterpillar
320-9X4986

Cab Filter

9X4986

Compressors

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Alternative Compressor SD7H15 - 138mm, 1 Groove Clutch 24V
509-5863

Alternative Compressor SD7H15 - 138mm, Single Groove Clutch, 24 Volt

3E-1906
OE Sanden Compressor SD7H15 - 133mm, 8 Groove Clutch 24V
509-649

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

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

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

163-0872

Condensers/Oil Coolers

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Condenser
TBA 251-3179

Condenser

251-3179

Evaporators

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Evaporator
TBA 9X-9653

Evaporator

9X-9653

Expansion Valves

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

Orifice Tube

7X-2049

Oil Coolers

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Caterpillar Engine Oil Cooler
5-9090

Engine Oil Cooler

267-4743

Radiators

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Radiator
TBA 196-6983

Radiator

196-6983

Rec Driers/Accumulators

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

Recevier Drier With Quick Couplers and Orifice Tube - Dry-Tech Series

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

Receiver Drier With Quick Couplers and Orifice Tube - Aftermarket

3E-3535
2 1/2 x 11 Male O-Ring - Dry-Tech Series
800-137

HD Dry-Tech Series Receiver Drier with Orifice Tube

175-7162
2 1/2 x 11 Male O-Ring
800-1371

Receiver Drier with Orifice Tube - Aftermarket

257-3226, 257-3227, 175-7162
3.5 x 9.75 Female O-Ring
803-460

Accumulator

197-6218

Switches/Electrical

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6P-3236 - Caterpillar 3 Speed Blower Switch
205-148

Blower Switch

6P-3236
Preset Thermostatic Switch - Caterpillar
210-973

Thermostatic Switch

3E-5464
Binary Pressure Switch, Normally Open
220-1051

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

114-5334 - Binary Pressure Switch, Normally Open - Caterpillar
220-1062

Binary Pressure Switch, Normally Open, 7/16" x 20 Thread

114-5334
114-5334 - Cat Binary Pressure Switch with OE Wire Harness, Normally Open, 7/16 x 20 Thread
220-1062HD

Binary Pressure Switch with HD OE Wire Harness and Connector

114-5334
Pressure Switch
TBA 180-5462

Pressure Switch

180-5462

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