John Deere 3945 Parts & Accessories

Q: How do I find the right part for my 3945?

Search by John Deere part number or browse by category on this page. Every part shown is matched to the John Deere 3945 by its compatible-models data.

118 parts and accessories that fit the John Deere 3945. Genuine OEM and quality aftermarket, from an authorized John Deere dealer. Ship nationwide or pick up locally.

Shop 3945 parts by category

Hardware (56)Ground Engaging Parts (17)Bearings & Bushings (13)Seals, Gaskets & O-rings (11)Hydraulic Parts (6)Steering System (5)Sheet Metal & Body Parts (5)Wheels, Tires & Tracks (2)Engine Parts (1)Drivetrain Parts (1)Tractor Implement Parts (1)

Bolt, Plow, No. 3 Repair Head

Part #10H1011

$2.05

John Deere

Bolt, Plow, No. 3 Repair Head

Part #10H1027

$0.64

John Deere

Pin, Cotter, Extended Prong

Part #11H215

$0.65

John Deere

Pin, Cotter, Extended Prong

Part #11H218

$0.24

John Deere

Pin, Cotter

Part #11H223

$1.44

John Deere

Pin, Cotter, Extended Prong

Part #11H236

$0.38

John Deere

Pin, Cotter, Extended Prong

Part #11H249

$0.75

John Deere

Pin, Cotter, Extended Prong

Part #11H251

$1.16

John Deere

Washer, Helical Spring Lock, Rglr

Part #12H245

$0.45

John Deere

Washer, Helical Spring Lock, Rglr

Part #12H293

$0.52

John Deere

Washer, Helical Spring Lock, Rglr

Part #12H301

$0.65

John Deere

Washer, Helical Spring Lock, Rglr

Part #12H303

$0.24

John Deere

Washer, Helical Spring Lock, Rglr

Part #12H304

$0.43

John Deere

Nut, Hex

Part #14H785

$0.33

John Deere

Nut, Hex

Part #14H809

$1.08

John Deere

Nut, Hex

Part #14H812

$0.59

John Deere

Nut, Hex

Part #14H813

$0.75

John Deere

Nut, Hex

Part #14H865

$1.36

John Deere

Nut, Hex Slotted

Part #14H918

$4.89

John Deere

Nut, Hex Slotted

Part #14H949

$25.59

John Deere

Screw, Hex Head

Part #19H1721

$2.16

John Deere

Screw, Hex Head

Part #19H1835

$3.78

John Deere

Screw, Hex Head

Part #19H1868

$5.41

John Deere

Screw, Hex Head

Part #19H1992

$5.68

John Deere

Screw, Hex Head

Part #19H2310

$15.11

John Deere

Screw, Hex Head

Part #19H3404

$4.89

John Deere

Washer, Metallic, Round Hole

Part #24H1254

$1.14

John Deere

Washer, Metallic, Round Hole

Part #24H1292

$0.78

John Deere

Washer, Metallic, Round Hole

Part #24H1451

$1.27

John Deere

Washer, Metallic, Round Hole

Part #24H1452

$1.87

John Deere

Washer, Metallic, Round Hole

Part #24H1483

$4.25

John Deere

Washer, Metallic, Round Hole

Part #24H1496

$1.44

John Deere

Washer, Metallic, Round Hole

Part #24H1595

$3.08

John Deere

Washer, Metallic, Round Hole

Part #24H1682

$0.87

John Deere

Pin, Grooved

Part #25H775

$3.37

John Deere

Pin, Spring

Part #34H357

$2.17

John Deere

Tie Rod, Inner

Part #A-AR63588

$37.19

A&I Products

Sub to RB05

Part #A-F2681R

$6.43

A&I Products

1/2" Lockwasher (Plated)

Part #A-HD12LW

$0.19

A&I Products

Hair Pin Clip (10 Pk)

Part #A-HPC20

$2.51

A&I Products

Cup, Tapered Brg.

Part #A-LM48510-P

$8.22

A&I Products

Share Point, RH, Plow

Part #A-P57266

$28.28

A&I Products

O-Ring, (25/Pack)

Part #A-R26375

$1.35

A&I Products

O-Ring, 4/Pack

Part #A-U12331

$3.64

A&I Products

Spring Locking Pin

Part #A3581R

$2.73

John Deere

Quick Lock Pin

Part #AA21292

$0.66

John Deere

Yoke, Pipe Assy. - Welded

Part #AA23106

$218.17

John Deere

Fitting 90 Deg Elbow

Part #AE14428

$28.04

John Deere

Tire Valve Stem, Tire Valve W/Cap, T

Part #AM30347

$7.63

John Deere

Arm

Part #AP29951

$637.55

John Deere

Standard

Part #AP31174

$531.61

John Deere

Spindle

Part #AP31182

$270.75

John Deere

Bearing, Spool Assy

Part #AP31183

$83.03

John Deere

Frog, Moldboard Support

Part #AP31246

$1,200.07

John Deere

Bracket, Moldboard Support

Part #AP31247

$1,749.25

John Deere

Quick Lock Pin

Part #AR62149

$2.19

John Deere

End, Tie Rod Assembly, Inner

Part #AR63588

$53.73

John Deere

Seal Wheel Bearing

Part #E18979

$21.49

John Deere

Bushing, Spacer

Part #E62166

$28.85

John Deere

Ball, Plated, Part Has Sub

Part #F2681R

$33.01

John Deere

Shop all 118 3945 parts →

John Deere 3945 parts — frequently asked

How many parts fit the John Deere 3945?

Koenig Marketplace lists 118 parts and accessories that fit the John Deere 3945, including hardware, ground engaging parts, bearings & bushings, seals, gaskets & o-rings.

Are these genuine John Deere parts for the 3945?

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 3945.

How do I find the right part for my 3945?

Search by John Deere part number or browse by category above. Every part shown is matched to the John Deere 3945 by its compatible-models data.

Can I get 3945 parts shipped or pick them up locally?

Both. Koenig ships John Deere 3945 parts nationwide, and you can also pick up at one of Koenig's stores.

Parts for other John Deere models

John Deere 6130M John Deere 6140M John Deere 6620 John Deere 6110M John Deere S690 John Deere 1550 John Deere 8400 John Deere 8200 John Deere 670G John Deere 6120M John Deere W650 John Deere 9600