John Deere 9870 STS Parts & Accessories

Q: How do I find the right part for my 9870 STS?

Search by John Deere part number or browse by category on this page. Every part shown is matched to the John Deere 9870 STS by its compatible-models data.

7,533 parts and accessories that fit the John Deere 9870 STS — Electrical Parts. Genuine OEM and quality aftermarket, from an authorized John Deere dealer. Ship nationwide or pick up locally.

Shop 9870 STS parts by category

← All categories Electrical Parts (701)

Wiring Harness, Engine

Part #AH230515

$1,920.53

John Deere

Deutsch 12WAY Akey Reddia Seals Sba

Part #57M9510

$42.19

John Deere

Wiring Harness, Prodrive Controller

Part #AH220128

$915.04

John Deere

Wiring Harness, Ast Valve Harness

Part #AH220130

$333.72

John Deere

Wiring Harness-Pwrcast Tlbrd-Sprdr

Part #AH220148

$217.77

John Deere

Wiring Harness, 5 Speed Fh, 6 Way Ex

Part #AH230074

$335.38

John Deere

Wiring Harness, 26' Unloading Auger

Part #AH230983

$359.36

John Deere

Wiring Harness, Sls Element, Sieve

Part #AH232123

$810.98

John Deere

Wiring Harness, Sls Element, Chaff

Part #AH232124

$698.25

John Deere

Wiring Harness

Part #AH234310

$1,303.15

John Deere

Wiring Harness, Pro Drive Transmiss

Part #AH234928

$724.00

John Deere

Wiring Harness, Folding Unloading Au

Part #AH220153

$334.64

John Deere

Wiring Harness, Ua Lamp, Long, STSMY08

Part #AH220207

$252.19

John Deere

Wiring Harness, Grain Tank, Right Si

Part #AH226488

$562.70

John Deere

Wiring Harness, Left Main, Sts

Part #AH233006

$2,694.96

John Deere

Vehicle Controller, LCU2 With Sls

Part #AXE66869

$1,625.94

John Deere

Bracket, Support Backup Alarm

Part #H219166

$392.26

John Deere

Gauge, Spring

Part #H237832

$22.55

John Deere

Wiring Harness, Asae Warning Light

Part #AH220127

$406.32

John Deere

Wiring Harness, Cab Roof Light Ext

Part #AH220143

$555.96

John Deere

Wiring Harness, RH Feederhouse Ext

Part #AH220180

$137.42

John Deere

Wiring Harness, Spreader Ext, MY2008

Part #AH220198

$163.43

John Deere

Wiring Harness, Tail Lamp Extension

Part #AH220200

$203.21

John Deere

Wiring Harness, Asae Warning Light

Part #AH220204

$238.28

John Deere

Wiring Harness

Part #AH230517

$2,021.81

John Deere

Wiring Harness, LC2 Main, Sts NA

Part #AXE12616

$2,335.02

John Deere

Wiring Harness, Gra

Part #AXE12756

$636.32

John Deere

Gauge, Chopper Tensioner

Part #H224388

$27.64

John Deere

Gauge, Discharge Beater Tensioner

Part #HXE16931

$30.68

John Deere

Wiring Harness, Feedrate Valve, Sts

Part #AH220987

$178.43

John Deere

Wiring Harness, Glm Sts Wide, MY08

Part #AH230369

$448.04

John Deere

Wiring Harness, Left Main, Sts MY08

Part #AH230479

$2,568.26

John Deere

Wiring Harness

Part #AH230480

$3,766.96

John Deere

Wiring Harness, Retrofit - 70 Seri

Part #AXE17045

$176.21

John Deere

Wiring Harness, 2SPD 4WD, MY2008

Part #AH220122

$551.38

John Deere

Wiring Harness, Backup Alarm Ext

Part #AH220136

$308.64

John Deere

Wiring Harness Folding Chopper, Sts

Part #AH220137

$173.11

John Deere

Wiring Harness, Beacon Bridge Sts E

Part #AH220138

$136.85

John Deere

Wiring Harness, RH Feederhouse Ext

Part #AH220185

$245.42

John Deere

Wiring Harness, Rotary Screen Servic

Part #AH220188

$100.28

John Deere

Wiring Harness, Separator Speed Ext

Part #AH220189

$86.89

John Deere

Wiring Harness, Service Light, Left

Part #AH220191

$250.23

John Deere

Wiring Harness, Service Light, Left

Part #AH220192

$194.91

John Deere

Wiring Harness, Service Light, Right

Part #AH220194

$188.53

John Deere

Wiring Harness, Ground Speed Ext

Part #AH232194

$263.48

John Deere

Wiring Harness, Ground Speed Ext

Part #AH232434

$107.60

John Deere

Wiring Harness, Grain Tank, Left Si

Part #AH234406

$718.94

John Deere

Wiring Harness, Cab Main

Part #AXE10106

$2,963.23

John Deere

Wiring Harness, Autotrac Out of Cab

Part #AXE12614

$488.08

John Deere

Wiring Harness, Left Main, Sts

Part #AXE12615

$3,718.21

John Deere

Wiring Harness

Part #AXE12619

$1,107.45

John Deere

Wiring Harness, Right Main NA Sts

Part #AXE13782

$4,453.57

John Deere

Wiring Harness, LCU1 Main, Sts

Part #AXE17794

$2,068.66

John Deere

Wiring Harness, Turn Signal Lamp, N

Part #AH228892

$151.98

John Deere

Wiring Harness, Beacon Ext Sts, MY1

Part #AXE12681

$208.72

John Deere

Wiring Harness, S650 Tier 3 Harvest

Part #RE547753

$1,946.66

John Deere

Wiring Harness, Rsa, Sts, Main

Part #AH218212

$1,011.91

John Deere

Wiring Harness, Fuel Sender Ext

Part #AH220155

$141.83

John Deere

Switch-Toggle/Rocker-Road Lights

Part #AH222068

$81.49

John Deere

Switch-Toggle/Rocker-Field Lights

Part #AH222070

$87.00

John Deere

Shop all 701 9870 STS parts →

John Deere 9870 STS parts — frequently asked

How many parts fit the John Deere 9870 STS?

Koenig Marketplace lists 7,533 parts and accessories that fit the John Deere 9870 STS, including electrical parts.

Are these genuine John Deere parts for the 9870 STS?

Yes — Koenig is an authorized John Deere dealer, so you'll find genuine OEM John Deere parts alongside quality aftermarket options that fit the John Deere 9870 STS.

How do I find the right part for my 9870 STS?

Search by John Deere part number or browse by category above. Every part shown is matched to the John Deere 9870 STS by its compatible-models data.

Can I get 9870 STS parts shipped or pick them up locally?

Both. Koenig ships John Deere 9870 STS parts nationwide, and you can also pick up at one of Koenig's stores.

Parts for other John Deere models

John Deere S690 John Deere 8400 John Deere 8200 John Deere 9600 John Deere T670 John Deere W650 John Deere T660 John Deere 6130M John Deere T560 John Deere W660 John Deere 6140M John Deere 8300