Stay logged in

AG

Off Road

Truck

Air Conditioning Parts and Supplies

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

Model Search

Agricultural
Semi
Heavy Off
Automotive
Miscellaneous
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 MT445B TRACTOR

Model Specifications

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

Belts

Top of Page

Compressor Belt

4351269M1

Serial Number B116042

Compressor Belt

4284908M2

Serial Number B116041

Blower Motors

Top of Page

Blower Motor Assembly

3905950M91

Tier 3 Serial Number U236047 and Above

Blower Motor Assembly

3907297M91

Serial Number U236046 and Below

Compressor Clutches

Top of Page

New Clutch Keyed Shaft

3907061M91

Serial Number B116041 and Below, 4 Groove

New Clutch Splined Shaft

4 Groove
Fits Original Sanden 509-6392

Compressor Kits

Top of Page

Ag A/C Kit - 2 Groove, Ear Mount

Includes 509-575 - 2 Groove Clutch, Ear Mount

Kit Includes Compressor, Receiver Drier, Expansion Valve, and O-Rings Expansion Valve has Threaded Type Fittings

Can use Aftermarket Kit - 890-57513

Ag A/C Kit - 4 Groove

Includes 509-639 - 4 Groove Clutch
Tier 3 Serial Number B116041 and Below
Kit Includes Compressor, Receiver Drier, Expansion Valve and O-Rings

Can Use Aftermarket Kit - 890-63923

Ag A/C Kit - 6 Groove

Includes 509-6396 - 6 Groove Clutch
Tier 3 Serial Number B116042 and Above
Kit Includes Compressor, Receiver Drier, Expansion Valve and O-Rings

Can Use Aftermarket Kit - 890-639653

Compressors

Top of Page

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

3789035M1

4 Groove
Tier 3 Serial Number B116041 and Below
Can Use Aftermarket Compressor 509-6393

OE Sanden Compressor SD7H15 - 120mm, 6 Groove Clutch 12V

4281803M1

6 Groove
Tier 3 Serial Number B116042 and Above
Can Use Aftermarket Compressor 509-63963

Condensers

Top of Page

Evaporators

Top of Page

Heaters, Heater Cores

Top of Page

Heater Core

3909802M91, 3310827M92

Lights/HD LED

Top of Page

LED Work Light

3786666M92, 3786668M93

Rec Driers/Accumulators

Top of Page

Receiver Drier

4285797M2

Tier 3

Heavy Duty Dry-Tech Receiver Drier

4296238M1

Can use Alternative Version - 803-3271

Standard Duty Receiver Drier

4296238M1

Can use HD Dry-Tech Drier - 803-327

Switches/Electrical

Top of Page

Shopping Cart Update Cart ()

Loading...