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John Deere 4045 / 6068 — Replace Fuel Filter Element (Primary or Final)

Maintenance · Primary or final fuel filter

For the John Deere 4045 / 6068, from the John Deere service manual.

Applies to: John Deere 4045, John Deere 6068

Before you start

  • Install fuel filter element dry. Do not prefill new fuel filters as it could contaminate fuel system with unfiltered fuel.

Procedure

  1. Disconnect water-in-fuel connector (H) if applicable.
  2. Loosen retaining ring (C) by lifting it, and remove filter element (D).
  3. Remove sediment glass bowl (E) from old element and reinstall onto new element.
  4. Install dust seal (F) as shown.
  5. Position new filter element inside mounting base and tighten retaining ring about 1/3 turn until it fits into detent. DO NOT overtighten.
  6. Reconnect water-in-fuel connector (H) if applicable.
  7. Bleed fuel system.

Full service-parts list: John Deere 4045 →, John Deere 6068 →

Source: John Deere service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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