Thermostat illustration – not the actual part
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Thermostat illustration – not the actual partDiesel Parts Direct logo

Aftermarket parts may appear slightly different, including the packaging.

John DeereJohn Deere 400 Series Thermostats

DS-AR70601 Thermostat For John Deere Diesel Engines

(180degF)

OEM #: AR70601SKU: DSAR70601

Ships in 1-2 days

$212.94

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:
    • 6-303 (block marked T24968, O-rings on liner)
    • 6-303 (block marked T32345, R53260, R55035, R72970, O-rings in block)
    • 6-329 (block marked T24968, O-rings on liner)
    • 6-329 (block marked T32345, R53260, R55037, R72968, O-rings in block)
    • 6-329 (ESN 277549 and up, O-rings in block)
    • 6-404A/6-404T (block marked R43310, R45980, R47020, R47110)
  • This part can be used for engines installed in the following applications:
    • Backhoe loaders: 710B
    • Combines: 4400, 4420, 55, 6600, 95, 95H
    • Compactors: JD646
    • Cotton pickers: 499, 699, 9900
    • Cotton strippers: 482, 484
    • Excavators: JD690, JD690A
    • Forage harvesters: 5200
    • Graders: 570A, JD570
    • Log skidders: JD540, JD540A
    • Power units: 329DH01, 329DH02, 329DN03, 6329D, HA303D, HB303D, HC329D, NA303D, NB329D
    • Tractors: 2840, 3030, 3120, 3130, 4030, 4320, 4520, 4620, 7020
    • Wheel loaders: 444C, 444CH, 444D, JD444, JD544, JD544A, JD644, JD644A
SKU DSAR70601
OEM Number AR70601
Part Type Thermostats
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.