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AG

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

JOHN DEERE 6620 COMBINE

Model Specifications

Compressor Type R134 Refrigeration (lbs) Compressor Oil (oz) Compressor Oil Viscosity
A6411100
Sanden Kit3.0 - 3.68100
Delco A6 Replacement3.25 - 3.75846/100
Denso2.75 - 3.5846
HD Sanden Style2.75 - 3.58100

A/C Hose - High Pressure Side

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Compressor to Condenser
7-112232

Compressor to Condenser Hose

AH112232, AH144788

Serial Number 600001 and Above with Nippondenso Compressor

Receiver Drier to Cab Hose
7-142891

Receiver Drier to Cab Hose

AH96504, AH142891

All Serial Numbers

Compressor to Condenser Hose
7-144787

Compressor to Condenser Hose

AH91611, AH144787

Serial Number 600000 and Below with A6 Compressor

Condenser to Receiver Drier Hose
7-144789

Condenser to Receiver Drier Hose

AH96502, AH144789

Serial Number 600000 and Below with A6 Compressor

Condenser to Receiver Drier Hose
7-144790

Condenser to Receiver Drier Hose

AH111050, AH144790

Serial Number 600001 and Above with Nippondenso Compressor

High Side Liquid Roof Hose - John Deere
7-92942

Roof Hose - Liquid

AH92942, AH140816, AH112469

All Serial Numbers

A/C Hose - Low Pressure Side

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Suction Hose - John Deere
7-111156

Suction Hose - Compressor End

AH111156

Serial Number 600001 and Above with Nippendenso Compressor

Suction Hose, Cab End - John Deere
7-142892

Suction Hose - Cab End

AH110916, AH142892

All Serial Numbers

AH144786 - Suction Hose - Compressor End
7-144786

Suction Hose - Compressor End

AH91605, AH144786

Serial Number 600000 and Below with A6 Compressor

Suction Hose, Roof Hose - John Deere
7-92941

Roof Hose - Suction

AH92941, AH140817, AH111152

All Serial Numbers

A/C Hose Kits

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Hose Kit - 6620 Combines
730-6620E

Hose Kit - 5 Hoses, Roof Hoses Not Included

Serial Number 600000 & Below with A6 Compressor

5 Piece Hose Kit - John Deere
730-6620L

Hose Kit - 5 Hoses, Roof Hoses Not Included

Serial Number 600001 & Above with Nippondenso Compressor

Belts

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A/C Compressor Belt - 1 Groove, 44.6
9-0051

A/C Belt

H113565

Length 44.6"
Serial Number 600001 and Above

A/C Compressor Belt - 1 Groove, 41.5
9-1744

A/C V-Belt - 41.5"

R71603

Serial Number 600000 and Below

A/C Compressor Belt - 1 Groove, 64.77
9-N202856

A/C Belt

N202856

Blower Motors

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Blower Speed Resistor - 3 Terminal with Diode, 12 Volt
220-529

Blower Motor Resistor

AR90771
JD Blower Assembly Foam Gasket
320-467

Blower Assembly Foam Gasket

R69301

Use With Blower Assembly BM4037

JD Heavy Duty Blower Motor 12 Volt Single Speed 2 Wire Motor With 3/8 Shafts
BM20052

Heavy Duty Blower Motor

AR82005

3/8" Double Shaft 2 Wire Motor

JD Heavy Duty Blower Motor - HD Bearing Style With OE Wire Connector and O-Rings, 12 Volt Single Speed 2 Wire Motor With 3/8 Shafts
BM20052HD

Heavy Duty Motor - HD Bearing Style with OE Wire Connectors and Mounting O-Rings

AR82005

3/8" Double Shaft 2 Wire Motor

JD Heavy Duty Blower Motor Repair Kit with OE Wire Connectors, O-Rings, and Steel Wheels, 12 Volt Single Speed 2 Wire Motor With 3/8 Shafts
BM20052HDK

Heavy Duty Motor Repair Kit - HD Bearing Style with Steel Wheels, OE Wire Connectors and Mounting O-Rings

RE10998, AR82005

3/8" Double Shaft 2 Wire Motor with Steel Wheels

JD Blower Motor Update Kit with Resistor, 12V
BM4037

Blower Motor Update Kit

AR82006, RE10998

Replaces Original BM20052 Blower Motor

Can use HD Blower Motor with Wheels - BM20052HDK
Can use HD Blower Motor without Wheels - BM20052HD

3 3/4 Diameter Wheel, 3/8 Shaft
BW209

Blower Wheel

R81111, R65832

Motor With 3/8" Shafts

Cab Kit Components

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H109902 - Floor Mat, Thick - John Deere
350-5066

5/8" Thick Floor Mat

H109902, H97491
John Deere Complete Headliner - Black
CK5066-H

Headliner - Black

H96824, H97222

2 Piece Foam/Vinyl Headliner Formed to a Plastic Molds, Includes 2 Pieces

John Deere Headliner, Black - Front Piece
CK5066-HF

Headliner, Black - Front Piece

H97222

1 Piece Foam/Vinyl Headliner Formed to a Plastic Mold

John Deere Headliner, Black - Main Piece
CK5066-HM

Headliner, Black - Main Piece

H96824

1 Piece Foam/Vinyl Headliner Formed to a Plastic Mold

Cab Kits

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John Deere Cab Kit - 20 Series Combine
CK5066

Lower Cab Kit - Black

AH90978, AH95457, AH91067, AH90977, AH95455

Original Equipment Style Foam

Cab Products/Filters

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Switch Knob, OE Style - John Deere
220-69370

Switch Knob

AR69370
RE12793 - Cab Filter - John Deere
320-12793

Cab Fresh Air Filter

RE12793
Roof Foam Panel/Evaporator Insulation with Adhesive Backing - John Deere
320-52149

Roof Panel/Evaporator Insulation with Adhesive Backing

R52149
Clip Mount Louver, 1.95 x 4.83 Opening - John Deere
320-69697

Clip Mount Louver

AR69697

4 Per Tractor

John Deere 30/40 Series Black Bezel with 4 Louvers
CK5030-B

Black Bezel with 4 Louvers

AH118028, R58003
John Deere 30/40 Series Black Bezel with 8 Louvers
CK5040-B

Black Bezel with 8 Louvers

AH118028, R72483, R79307, AR95969, AR93533

Custom Color Available: Brown

Compressor Clutches

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New S6 Clutch With Coil, 5.58 With Single Groove, 12v
600-1175

Heavy Duty A6 Clutch - 142mm, 1 Groove, 12V

Fits Heavy Duty Delco Replacement, 500-075

Heavy Duty Denso Clutch 6E171 - 5.74, 1 Groove, 12V
600-3000

Heavy Duty Denso Clutch - 146mm, 1 Groove, 12V

RE10975

Serial Number 600001 & Above, Use with 503-116 Compressor

Standard Duty Denso Clutch 6E171 - 5.74, 1 Groove, 12V
600-3001

Alternative Denso Clutch - 146mm, 1 Groove, 12V

RE10975

Serial Number 600001 & Above, Use with 503-116 Compressor

5.76 Clutch With 12V Coil, Single Groove, 7H15
600-9708

Sanden Style Clutch - 146mm, 1 Groove, 12V

Use With 503-117 Compressor

Compressor Components

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A6, R4 Metal Shaft Seal Kit
440-212

Shaft Seal Kit - A6

R47227

With Steel Wear Plate

Clutch Bearing for A6, R4, DA6, HR6, HR6HE, HT6, HD6, HU6, V5, V7 Clutch Bearing
440-313

Clutch Bearing - A6

AR71288

Serial Number 600000 & Below

Nippondenso 6E171 Shaft Seal Kit With Wave Spring Type Carbon Seal
440-398

Shaft Seal Kit - Nippondenso

R77399

For Original 6E171 Nippendenso Compressor Only, Serial Number 600001 & Above

Clutch Bearing for John Deere 6E171 Ear Mount Compressor, 50, 55, 60 Series Tractors
440-955

Clutch Bearing - Nippondenso

R77394

Serial Number 600001 & Above

Metric Compressor Bolt Kit - A6
530-1075

Metric Compressor Bolt Kit - A6

SE501456, SE501457, TY6665, TY6770

Serial Number 600000 & Below

Standard Compressor Bolt Kit - A6
530-1274

Standard Compressor Bolt Kit - A6

SE501456, SE501457, TY6665, TY6770

Serial Number 600000 & Below

A6 Clutch Repair Kit
600-1106

A6 Clutch Repair Kit

Fits Original A6 Compressor

New 12 Volt Coil
610-112

New Clutch Coil - A6

AR49803

Fits Original A6 Compressor

Clutch Hub - Denso 6E171
610-356

Denso Clutch Hub

Serial Number 600001 & Above, Use with 503-116 Compressor

Compressor Manifolds

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JD, GM Pad Mount Extension with Switches - OE Style
451-11604

Pad Mount 2" Extension With Switches

Used with Sanden Style Conversion Kit

John Deere Nippondenso Suction Manifold
451-1170

Manifold - Low Side Suction

RE10980

Serial Number 600001 & Above

John Deere Nippondenso Discharge Manifold
451-1172

Manifold - Hi Side Discharge

RE10981

Serial Number 600001 & Above

John Deere Nippondenso Manifold Kit
451-1173K

Nippondenso Manifold Kit

John Deere Nippondenso Pressure Relief Valve, Thread 12mm, 1.00Pitch
650-670

Pressure Relief Valve

RE10982

Serial Number 600001 and Above, Fits in 451-1172 Manifold

Compressor/Conversion Kits

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Ag A/C Kit - John Deere Combines/Forage Harvestors
890-1162

Ag A/C Kit - OE Style Denso Compressor

Serial Number 600001 & Above

Kit Includes Compressor, Receiver Drier, Expansion Valve, and O-Rings, Does Not Include Manifolds - For Manifold Kit Order 451-1173K

Can use Aftermarket Kit - 890-11623

Ag A/C Sanden Style Kit - John Deere Combines/Forage Harvesters
890-1172

Ag A/C Kit - Sanden Style Compressor

Serial Number 600001 & Above

Kit Includes Compressor, Receiver Drier, Expansion Valve, and O-Rings, Does Not Include Manifolds - For Manifold Kit Order 451-1173K

A6 to OE Sanden Conversion Kit - John Deere
990-404

A6 to OE Sanden Conversion Kit

Serial Number 600000 & Below

Uses Original Hoses, Includes 220-043 Harness for Roof Mounted Low Pressure Switch

Can use Aftermarket Kit 990-403

A6 to OE Sanden Conversion Kit - John Deere
990-404K

A6 to OE Sanden Conversion Kit

Serial Number 600000 & Below

Uses Original Hoses, Kit Includes OE Sanden Compressor, Receiver Drier, Expansion Valve, O-Rings, and a 220-043 Harness for Roof Mounted Low Pressure Switch

Can use Complete Aftermarket Kit 990-403K

Nippondenso Ear Mount To Sanden Conversion Kit - JD 6620, 6622, 7720 Combines
990-408

Nippondenso to Sanden Conversion Kit

Serial Number 600001 and Above Kit Allows for the Use of Original Hoses

Compressors

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Reman 12 Volt 10 oclock, New 5.58 Clutch Superheat Compressor
500-001

Reman A6, New Clutch

SE501456, SE501457, TY6665, TY6770

Serial Number 600000 & Below

New Heavy Duty A6 Delco Replacement Compressor with Dust Protection
500-075

Heavy Duty A6 Compressor

SE501456, SE501457, TY6665, TY6770

Serial Number 600000 & Below

Can Use HD A6 Replacement with Hi & Lo Pressure Switches - 500-0752

New Heavy Duty Aluminum A6 Replacement Compressor with Hi & Lo Pressure Update Kit
500-0752

Heavy Duty A6 Compressor with Hi & Lo Pressure Update Kit

SE501456, SE501457, TY6665, TY6770

Serial Number 600000 & Below

Uses Original Hoses, For Optional Roof Mounted Low Pressure Switch Kit - Must Order 220-043 Wire Harness

Alternative Denso Compressor 6E171 - 146mm, Single Groove Clutch, 12V
503-1162

Alternative Denso Compressor 6E171 - 146mm, 1 Groove Clutch, 12V - With Manifold

Serial Number 600001 & Above

Can Use Denso Compressor w/o Manifold - 503-116
Can Use HD Denso Compressor w/o Manifold - 503-1163

HD Sanden Style Denso 7H15 - 146mm, Single Groove Clutch, 12V
503-117

HD Sanden Style Denso - 146mm, 1 Groove Clutch, 12V - Without Manifold Kit

Serial Number 600001 and Above

Can use Original Manifold or Purchase Manifold Kit - 451-1173K

Can use Denso Replacement - 503-116
Can use Sanden Style with Manifolds - 503-1172

Condensers

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AH87966 - Condenser - John Deere
400-5565

Condenser

AH87966

Evaporators

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Roof Foam Panel/Evaporator Insulation with Adhesive Backing - John Deere
320-52149

Roof Panel/Evaporator Insulation with Adhesive Backing

R52149
RE52265 - John Deere OE Replacement Evaporator/Heater Core
590-5683

Evaporator With Heater Core

AR88076, RE52265, AR85245

Original Replacement Evaporator

RE52265 - High Efficiency Evaporator/Heater Core - John Deere
590-5685

Evaporator With Heater Core

AR88076, RE52265, AR85245

High Efficiency Evaporator

Expansion Valves

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Expansion Valve, Externally Equalized with 14 Capillary Tube
902-210

Expansion Valve, O-Ring

AR58482, AH140818, RE206757

Coil Type

JD OE Style Bulb With 9 Capillary Tube
902-212

Expansion Valve, O-Ring

AR58482, AH140818, RE206757

JD OE Bulb Type

Aftermarket 14 Capillary Tube
902-215

Expansion Valve, Aftermarket

AR58482, AH140818, RE206757

Coil Type

Flushing Equipment

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Dry-Tech Series Flush Kit - Fits JD 30, 40, 50, 55, 60 Series
530-5040K

Dry-Tech Series Flush Kit

Installs in place of Receiver Drier and Expansion Valve for Closed Circuit Flushing

Heater Valves

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Heater Control Valve, Replacement - John Deere
570-305

Heater Control Valve - Cab

AR89913, AR70418, AR100056

Serial Number 403301 and Above

Hydraulic Fittings

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AL210585 - Female Poppet 1/2 Hydraulic Coupler
68-1055

Female Poppet 1/2" Hydraulic Coupler

AL210585
AL200979 - Female Poppet 1/2 Hydraulic Coupler
68-1090

Female Poppet 1/2" Hydraulic Coupler

AL200979
AL200979 - Female Poppet 1/2 Hydraulic Coupler - AP Alternative
68-10903

Female Poppet 1/2" Hydraulic Coupler - AP Alternative

AL200979

Lights/HD LED

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LED Work Light with Factory Style Lens - 40W
3-2050

LED Work Light - 4.5" Round with Factory Style Lens

RE336111
LED High/Low Beam Light with Wired Cable- 4.5 Round
3-3020

LED Hi/Lo Beam Light - 4.5" Round

AR48723, AR85263, AR85264, RE10962, RE10963, RE19081
LED Work Light - 24W
3-34452

LED Work Light - 24W

AF3892R, AT25451, RE336111, RE285628, RE561116, RE561117

Headlamp Flood and Rear Fender

LED Work Light - 24W
3-34454

LED Work Light - 24W

RE25125, A4R85264, RE10963, RE19082
LED Amber Flashing Light - 4.5 Round
3-3452

LED Amber Flashing Light - 4.5" Round

O-Rings, Gaskets

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O-Ring Kit - John Deere 7720-9500 Series Combine
530-4096

John Deere O-Ring Kit

Oil Coolers

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AR55394 - John Deere 8 Plate Engine Oil Cooler
5-5508

Engine Oil Cooler - 8 Plate

AR55394
AH98812 - John Deere Hydrostatic Drive Oil Cooler
5-5530

Hydrostatic Drive Oil Cooler

AH98812

Radiators

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AH112173 - John Deere Radiator
AR5606

Radiator, 32 3/4" Core Height

AH87990, AH112173, AH124726, AH87989

Must Check Upper Hose Connection and Side Bracket Location, Side Brackets are Flush to the Hose Connection Side

AH124727 - Radiator - John Deere
AR5609

Radiator

AH124728, AH98155, AH120373

Must Check Upper Hose Connection and Side Bracket Location, Side Brackets are Opposite of Fitting Side

Rec Driers/Accumulators

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4 x 9 Male and Female O-Ring - Dry-Tech Series
804-532

Heavy Duty Dry-Tech Receiver Drier

AT125596

Serial Number 600001 & Above

4 X 9 Male and Female O-Ring
804-5321

Alternative Receiver Drier

AT125596

Serial Number 600001 & Above

4 x 7 1/2 Female O-Ring - Dry-Tech Series
804-550

Heavy Duty Dry-Tech Receiver Drier

AR59780

Serial Number 600000 & Below

4 x 7 1/2 Female O-Ring
804-5501

Receiver Drier O-Ring - Aftermarket

AR59780

Serial Number 600000 & Below, Aftermarket

4 x 7 1/2 Female O-Ring - Original JD
804-5502

Original JD Receiver Drier

AR59780

Serial Number 600000 & Below

Switches/Electrical

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3 Speed Blower Switch - OE Indak
205-102

Blower Switch

AH84588
Rotary Adjustable Thermostatic Switch, 48 Capillary Tube, with Knob
210-906

Thermostatic Switch

AR53324
Compressor Wiring Harness - A6 Compressor Only
220-040

Compressor Wiring Harness

AR77345

A6, S6 Compressor - Used with Original Super Heat Switch Only

John Deere Clutch Saver Kit
220-045

Clutch Saver Kit

Can use on our 990-403, -404, -405, -406, -412 Conversion Kits

John Deere A6 Low Voltage Protection Kit - A6 Compressor Only
220-050

Clutch Voltage Protection Kit

Serial Number 600000 & Below, Use with OE A6, 500-001

S6 Low Voltage Protection Kit
220-053

S6 Low Voltage Protection Kit

Use with 500-075 Only

Denso 6E171 - Low Voltage Protection Kit
220-055

Denso 6E171 - Low Voltage Protection Kit

HD Binary Pressure Switch Kit, 7/16 x 20 Thread
220-1027

HD High Pressure Binary Switch Kit

Protects System for High Pressure over 330 and Low Pressure Under 15 on High Side of System Only

Thermal Limiter Fuse
220-220

Thermal Limiter Fuse

AR77344
AT63265 - High Pressure Switch - John Deere
220-3014

High Pressure Switch

AT63265

Serial Number 600001 & Above

AT63266 - Low Pressure Switch - John Deere
220-3026

Low Pressure Switch

AT63266

Serial Number 600001 & Above

GM Pad Mount Extension 1/2, OE Style
451-11606

Pad Mount 1/2" Extension With Switches

Used with Original A6 Compressor, Complete Hi and Lo Side Pressure Protection Kit

A6 Compressor R134 Binary Pressure Switch Kit
530-4015

A6 Pressure Switch Kit

Serial Number 600000 and Below, Mounts In The Pressure Relief Valve Port On The Rear Head

Turbochargers

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AR54575 - Turbocharger - John Deere
40-11350

Turbocharger

AR54575, RE19778

Must Identify by OE Number

Fits Models with 6466 Diesel Engines

Turbocharger - John Deere
40-11462

Turbocharger

AR58756, AR70987

Must Identify by OE Number

Fits Models with 6404T Diesel Engines

R43724 - Exhaust Elbow Adapter
40-R43724

Exhaust Elbow Adapter

R43724

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