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Coolant Bypass Tube Compatible With John Deere 8520/8130/8230/8330 2001-2006 6081 8.1L 6-Cyl Turbo

TRE508648A2
OEM PART NUMBERS:
• John Deere: RE508648 (Primary OEM number)

SPECIFICATIONS:
• Type: Bypass Tube
• Engine: 6081/6090
• Condition: New

PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.

WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

Was: $114.78
Sale: $65.59
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Save: $49.19
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Description

JOHN DEERE TRACTORS:
• John Deere 8120/8220/8320/8420/8520 6081 8.1L Diesel (2001-2006)
• John Deere 8130/8230/8330/8430/8530 6090 9.0L Diesel (2006-2010)

JOHN DEERE COMBINES:
• John Deere 9650 STS/9660 STS/9750 STS/9760 STS 6081/6090 Diesel (2001-2008)


IMPORTANT:
Coolant BYPASS TUBE — not a thermostat or housing. This is the metal tube that routes coolant around the thermostat when the engine is cold. Fits JD 6081/6090 8.1L engines in 8020/8030 Series tractors.
The #1 ordering mistake: confusing this with the thermostat housing or thermostat element. This tube corrodes internally over time, causing restricted coolant flow and uneven heating.
Failure symptoms: slow warmup, hot spots in the engine, coolant weeping from corroded tube joints. Inspect O-rings at both ends during replacement — hardened O-rings cause repeat leaks.
⚠️ This is the bypass tube only, not the thermostat or housing.

Details

Shipping Information

  • Item Requires Shipping
  • 0.3 lbs.
  • W4.0000” x H4.0000” x L4.0000”
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