A dozen reasons to shop Complete Tractor
A dozen reasons to shop Complete Tractor
  • 1
    Extensive Selection We offer one of the most complete selections of replacement tractor parts offered anywhere.
  • 2
    Free Shipping Every order over $35 is shipped FREE to any doorstep in the contiguous 48 U.S. States.
  • 3
    Same-Day Shipping In-stock items will ship the same day when you place your order before 2pm EST Monday-Friday
  • 4
    OEM Quality Our aftermarket parts are engineered to fit and perform just like the originals that came with your tractor.
  • 5
    Factory-Direct Pricing We cut out the middleman, saving you up to 30% off typical OEM prices for similar parts.
  • 6
    1-Year Warranty Every product is backed by a Total-Confidence. 1-Year Warranty to give you ease of mind when ordering.
  • 7
    Advanced Part Finder Our online parts finder can zero-in on the part you need by make and model of your tractor.
  • 8
    Helpful Service Reps Need to talk to a real person to find what you need? Friendly service representatives are ready to help.
  • 9
    Engineer-Driven Design We have engineers who work directly with factories to ensure that all parts meet industry standards.
  • 10
    Always New Products Every product we sell is brand new. We never sell secondhand refurbished products.
  • 11
    Safe and Sound Arrival We take care in packaging your order in sturdy, protective packaging to safeguard it in transit.
  • 12
    Worldwide Shipping We can ship to almost any location on earth through UPS Worldwide Expedited shipping service.
Order within the next
for Same-Day Shipping.

Find the Part You Need...Fast

Use our part finder to zero-in on the exact part you need.

Find My Part

Restore Your Classic John Deere 4020 Tractor

Click here to see our John Deere 4020 Tractor Components

The John Deere 4020 tractor was a common sight on farm fields across the land. These tractors were part of what was known as the New Generation series from John Deere. Throughout their run from 1964 to 1972, John Deere 4020 tractors totaled 184,879 built. No matter where you lived in the country, chances are somebody nearby tended their fields with one of these legendary green tractors. Today, this tractor is one of the most popular collectibles around. Here's just a sample of the hundreds of replacement parts we carry that keep John Deere 4020 tractors running like new.

Here's Why Tractor Enthusiasts Like Us

  • Water Pump

    Water pump was a perfect fit. The free shipping was very fast.

    by Rick

  • Carburetor Card

    Product was just like old one and it was from 1948.

    by James R.

  • Manifold Kit

    Just what I need to complete

    by Rodalyn F.

Read More Reviews

Stop work because your day is done, not because your equipment is down.

  • Free Same Day Shipping

    Ships TODAY if ordered by 2pm EST.

  • Advanced Part Finder

    Find the exact part you need with ease.

  • 1 Year Warranty

    Enjoy total confidence in your purchase.

  • Top-Rated Customer Service

    Knowledgable service reps are ready to help.