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Engine Thermostat (71°C/160°F) for John Deere Excavators, Skid Steers & CTLs | M811034

SKU:
M811034
FitsModel:
25, 27D, 30, 30G, 35D, 35G, 50, 50D, 50G, 110, 110TLB, 312GR, 314G, 316GR, 317G, 318G, 4475, 5575, 570, 575, 675, 675B, 6675, 7775
ListDescription:
Engine Thermostat (71°C/160°F)
John Deere 27D 35D 35G 50G 317G 312GR 314G skid steer excavator thermostat M811034 71C 160F
Part # M811034

Fits Models At A Glance:

  • John Deere Compact Excavators: 27D, 30G, 35D, 35G, 50D, 50G
  • John Deere Skid Steer & Compact Track Loaders: 312GR, 314G, 316GR, 317G, 318G
  • John Deere Skid Steer Loaders (older): 4475, 5575, 6675, 7775, 675, 675B
  • John Deere Backhoe Loader: 110TLB
  • John Deere Industrial Excavators: 25, 30, 50, 110
  • John Deere Motor Graders: 570, 575

Key Notes:

  • Part Number: M811034
  • Interchange Numbers: M801088 (John Deere), YM129155-49801, 129155-49801 (Yanmar)
  • Opening Temperature: 71°C (160°F)
  • Engine: Yanmar 3TNV84, 3TNV84T, 3TNV84HT, 3TNV86CHT, 3TNV86CT, 3TNV88, 3TNV88C, 4TNV84T, 4TNV86CHT, 4TNV86CT as fitted to applicable John Deere compact excavators, skid steers, compact track loaders, backhoe loaders, and motor graders
  • Condition: Aftermarket replacement part

Common Use Case or Symptoms: Use when the engine overheats, runs at chronically low operating temperature, the temperature gauge reads abnormally high or low, or coolant is bypassing the radiator at operating temperature — a failed thermostat that sticks open will prevent the engine from reaching normal operating temperature, while one that sticks closed will cause rapid overheating on applicable John Deere Yanmar-powered construction equipment.

Why Choose Broken Tractor:

  • ✅ Three Interchange Numbers Cross-Referenced: M811034 interchanges with M801088 (John Deere) and Yanmar numbers YM129155-49801 and 129155-49801 — confirmed so you find the correct thermostat regardless of which number appears in your engine service manual or parts catalog.
  • ✅ Broad Yanmar Family Coverage: One 71°C/160°F thermostat spanning the Yanmar 3TNV84 through 4TNV86 engine family across John Deere's compact excavator, skid steer, CTL, backhoe, and motor grader lineup.
  • ✅ Fast Shipping from a U.S.-Based Team: In-stock and ready to ship from our U.S. warehouses.
$29.79 $22.00
(You save $7.79)

Shipping calculated at checkout. If any item in your order is temporarily unavailable, we'll contact you to arrange a back-order or refund — whichever you prefer.

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Product: Category: Brand: Head Title: Engine Thermostat (71°C/160°F) | Broken Tractor | M811034