John Deere 3720 — parts for your machine

John Deere

Equipment

Save this machine to your equipment

Every search and recommendation gets checked against it — and parts that fit say so.

No account needed — sign in to keep it permanently.

Scoped to your 3720

Browse parts by system

Every part below is fitment-verified for your 3720.

  • $122.25

    Fits your model

    Fuel Pump

    John Deere · AM876266

    Ships today

  • $2.79

    Fits your model

    Packing

    John Deere · CH17154

    Ships today

  • $30.79

    Fits your model

    Thermostat

    John Deere · M811034

    Ships today

  • $26.07

    Fits your model

    Filler Cap

    John Deere · AL113086

    Ships today

  • $36.72

    Fits your model

    Filler Cap

    John Deere · AL113087

    Ships today

  • $25.30

    Fits your model

    Insert

    John Deere · L80418

    Ships today

  • $16.11

    Fits your model

    Valve

    John Deere · R48568

    Ships today

  • $3.78

    Fits your model

    Stud, M8 X 20 mm

    John Deere · M809203

    Ships today

  • $92.48

    Fits your model

    Hydraulic Filter

    John Deere · LVA12726

    Ships today

  • $184.43

    Fits your model

    Hydraulic Filter

    John Deere · LVA12678

    Ships from supplier

  • $65.19

    Fits your model

    Fuel Filter

    John Deere · AM881823

    Ships today

  • $163.12

    Fits your model

    Filter Kit

    John Deere · LVA21202

    Ships today

  • $88.63

    Fits your model

    Filter

    John Deere · LVA13437

    Ships from supplier

  • $50.21

    Fits your model

    Strainer

    John Deere · AM882249

    Ships from supplier

  • $14.31

    Fits your model

    Key

    John Deere · RE183935

    Ships today

  • $2.08

    Fits your model

    Plug

    John Deere · TCU36690

    Ships today

  • $2.12

    Fits your model

    Bumper

    John Deere · M133917

    Ships today

  • $5.62

    Fits your model

    Plug

    John Deere · W42418

    Ships today

  • $33.24

    Fits your model

    Control

    John Deere · RE46742

    Ships today

  • $5.30

    Fits your model

    Plug

    John Deere · M137067

    Ships today

  • $31.43

    Fits your model

    Manifold

    John Deere · M134346

    Ships today

  • $36.59

    Fits your model

    Cap

    John Deere · LVA20040

    Ships today

  • $11.57

    Fits your model

    Adapter Fitting

    John Deere · 38H5001

    Ships today

  • $6.45

    Fits your model

    Cap

    John Deere · W42993

    Ships today

  • $15.34

    Fits your model

    Drain Plug

    John Deere · RE221609

    Ships today

  • $1,746.21

    Fits your model

    Flow Divider Kit

    John Deere · LVB26075

    Ships from supplier

  • $166.87

    Fits your model

    Line

    John Deere · MIA10066

    Ships from supplier

  • $2,417.80

    Fits your model

    Hydraulic Cylinder

    John Deere · BLV10650

    Ships from supplier

  • $3.48

    Fits your model

    Shaft Key

    John Deere · 49M6496

    Ships today

  • $9.42

    Fits your model

    Sleeve

    John Deere · CH14967

    Ships today

  • $3.13

    Fits your model

    Shaft Key

    John Deere · 26M4221

    Ships today

  • $7.28

    Fits your model

    Base

    John Deere · M126552

    Ships today

  • $5.43

    Fits your model

    Shaft Key

    John Deere · 26M7003

    Ships today

  • $6.57

    Fits your model

    Seal Ring

    John Deere · M808519

    Ships today

  • $21.16

    Fits your model

    Bellcrank

    John Deere · LVA11432

    Ships today

  • $4,763.55

    Fits your model

    Knuckle

    John Deere · SJ14408

    Ships today

Real counter, real people

Not sure which one fits your serial range?

Send us the model plate or the serial — our specialists cross-reference supersessions and check fitment all day. If it exists in the catalog, we'll find it.

Added to Cart!

Complete Your Repair

Frequently bought together

Not sure if it fits?

Chat with our parts team

Subtotal
View Cart & Checkout
Secure
30-Day Returns
Support