Fairfield PARTS
FAIRFIELD PARTS AA163
Depth Adjuster Spring
Fits JD 750A / Pro-series

Depth Adjuster Spring

Our refAA163 JD cross-refM82163
£2.95 ex VAT · trade price Genuine equivalent £3.55

Doing a full refurb? Add everything you need and send it once. We come back with one quote.

Trade price shown ex VAT, confirmed with fitment on your quote. JD numbers shown for cross-reference only. Lead time on your quote. Genuine equivalent price is the lowest published UK dealer list price we could find for the matching John Deere part, ex VAT, checked August 2026. Shown for comparison only.

Depth Adjuster Spring. This is what sets and holds your furrow depth. Get it right here and consistent seed placement follows down the whole opener.

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How to check for wear

Springs lose tension and set over time, and a tired spring won't hold the downforce the wheel needs to run true or firm the furrow. Check for cracks, corrosion and any permanent deformation, and compare free length against a new one. Replace in matched pairs where left and right work together, so downforce stays even across the opener.

Full depth adjustment wear guide →

More depth adjustment parts

All depth adjustment parts →

NG Gauge Wheel Axle Kit - Right

Our refAA050DA JD cross-refAA73951 · AA92485 · AN282118 · AN282119 · N283800 · N283801 · B13294
£220.00 ex VAT · trade price Genuine equivalent £252.53
Lead time
On your quote

NG Gauge Wheel Axle Kit - Left

Our refAA051DA JD cross-refAA73951 · AA92485 · AN282118 · AN282119 · N283800 · N283801 · B13294
£220.00 ex VAT · trade price Genuine equivalent £253.55
Lead time
On your quote

Arm Assembly Depth Adjuster Right

Our refAA108R JD cross-refAN282108
£142.00 ex VAT · trade price Genuine equivalent £189.33
Lead time
On your quote
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FAIRFIELD PARTS · 01202 022 416 · [email protected] ·Fits John Deere 750A and 60/90/Pro-series openers · Compatibility references only. Not affiliated with or endorsed by any equipment manufacturer.