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Off Road

Truck

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 MT425B TRACTOR

Model Specifications

Compressor Type R134 Refrigeration (lbs) Compressor Oil (oz) Compressor Oil Viscosity
Sanden2.6 - 3.06.4100

A/C Hose - Low Pressure Side

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Suction Hose - Cab to Expansion Valve

3786654M2

Tier 3 Serial Number E170050 and Below

Suction Hose - Cab to Expansion Valve

4349068M2

Tier 3 Serial Number E170051 and Above

Blower Motors

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Blower Motor Assembly

3905950M91

Tier 3 Serial Number U236047 and Above

Blower Motor Assembly

3907297M91

Tier 3 Serial Number U236046 and Below

Cab Products/Filters

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Compressor Clutches

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New Clutch Keyed Shaft

3907061M91

4 Groove
Fits Aftermarket Compressor 509-6393

New Clutch Splined Shaft

4 Groove
Fits Original Sanden 509-6392

Compressor Kits

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Ag A/C Kit - 4 Groove

Includes 509-639 - 4 Groove Clutch
Kit Includes Compressor, Receiver Drier, Expansion Valve and O-Rings

Can Use Aftermarket Kit - 890-63923

Compressors

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Original Sanden SD7H15, 4.6" 4 Groove Clutch, Direct Mount

3789035M1

4 Groove
Tier 3
Can Use Aftermarket Compressor 509-6393

Condensers

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Condenser

3785833M3

Tier 3

Evaporators

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Evaporator

3902331M92

Tier 3

Lights/HD LED

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LED Work Light

3786666M92, 3786668M93

Radiators

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Radiator

4290903M1

Tier 3

Rec Driers/Accumulators

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Receiver Drier

4285797M2

Tier 3

Switches/Electrical

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Blower Switch

3907283M1

Tier 3

Thermostatic Switch

3907305M1, 4289593M1

Tier 3

Thermostatic Switch

4289191M1, 3907282M1

Tier 3

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