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Aftermarket parts may appear slightly different, including the packaging.

John DeereJohn Deere 400 Series Cylinder Head Components

DS-R55055 Intake Valve For 6-466A And 6-466T John Deere Diesel Engines

(.003" Oversize Stem Diameter, 30deg)

OEM #: R55055SKU: DSR55055

Ships in 1-2 days

$27.44

Taxes and Shipping are calculated at checkout

Special Order Item - not eligible for return

  • This part can be used on the following John Deere diesel engines:
    • 6-404A/6-404T (block marked R49470, R49650, R59850, R72128, R87558)
    • 6-466A/6-466T (connecting rod marked R57303, R67320, R71074)
  • This part can be used for engines installed in the following applications:
    • Combines: 6600SH, 6602, 6620, 6622, 7700, 7720, 7722, 8820
    • Compactors: 646C
    • Cotton pickers: 9940, 9950
    • Crawlers: 850B
    • Excavators: 690B, 690C, 690CR, 790, 790D, 792, 892DLC
    • Feller bunchers: 693B, 693C, 743A, 793D, JD743
    • Forage harvesters: 5200, 5440, 5720, 5730
    • Graders: 770A, 770AH, 770B, 770BH, 772A, 772AH, 772B, 772BH
    • Log skidders: 740A, JD740
    • Power units: 6466AF, 6466TF
    • Scrapers: 726B, 762A, 762B
    • Tractors: 4050E, 4250, 4430, 4440, 4450, 4455, 4630, 4640, 4650, 4840, 4850, 7020, 8430, 8440
    • Wheel loaders: 644C, 644D
SKU DSR55055
OEM Number R55055
Part Type Cylinder Heads, Other
OEM Brand JOHN DEERE

Aftermarket warranty

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  • Orders are processed the same or next business day
  • Expedited shipping options available at Checkout
  • If same-day shipping is critical, please call to confirm availability

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Call any of our friendly Parts Dept. Specialists with your engine serial number, and we can quickly verify whether this part is the correct part for your engine — no guesswork.

Phone: 888.687.0539

Don't know how to find your engine serial number? Go to our Engine Help Center for assistance.