John Deere Engine Oil Coolers & Thermostats parts list
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340D, 344E, 344G, 444E, 444G, 440C, 440D, 448D, 540B, 540D, 548D, 540E, 548E, 640E, & more |
Engine Oil Cooler |
RE31089 |
$584.00
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250D, 260E, 370E, 410E, 460E, 710K, 655K, 755K, 700K, 750K, 850K, 950K, 1050K, 250G, 290GLC, 470GLC, 2154G, 2654G, 3154G, 3754G, 620G, 672G, 770G, 872G, 337E, 648L, 803M, 903M, 953M, 959M, 843L, 524K, 544K, 624K, 644K, 744K, 824K, 844K, 944K |
Thermostat |
RE554015 |
$28.00
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250D, 260E, 210L, 310J, 310K, 310L, 310SJ, 310SK, 310SL, 315SJ, 315SK, 315SL, 410J, 410K, 410L, 710J, 710K, 450J, 650J, 850J, 950K, 120D, 130G, 160D, 180G, 200G, 210G, 670G, 770G, 870G, 524K, 544K, 744K |
Thermostat |
DZ100553 |
$28.00
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850B, 690C, 690CR, 693C, 790, 790D, 792, 892DLC, 770A/B/BH, 772A/B/BH, 444, 544, 544A, 644A/C/D, 646C, 762A/B, 4050, 4250, 4440, 4450, 4630, 4640, 4650, 4840, 4850, 7020, 8430, 8440, 8450, 740A, 743, 743A, 653E |
Oil Cooler (Engine) |
AT25038 |
$234.00
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210C, 310C, 310D, 315CH, 410C, 410D, 510B, 555, 540G, 548E, 548G, 624E, 624G |
Engine Oil Cooler |
RE31929 |
$144.00
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John Deere engine oil coolers and thermostats provide replacement cooling system components used to regulate engine temperature and maintain proper oil cooling on forestry and heavy equipment platforms. These parts fit machines including 540E, 548E, 640E skidders, 540G and 548G models, and a wide range of construction and forestry equipment such as 250D, 260E, 410E, 710K, 700K–1050K dozers, 2154G–3754G forestry machines, and loaders including 524K–944K. Worn thermostats or plugged oil coolers can cause overheating, poor oil temperature control, or unstable engine operating temperatures. Replacing these components helps restore proper coolant circulation and oil heat dissipation during heavy-duty operation.
Fits:
340D, 344E, 344G, 444E, 444G
440C, 440D, 448D
540B, 540D, 548D
540E, 548E, 640E
250D, 260E, 370E, 410E, 460E
710K, 655K, 755K, 700K, 750K, 850K, 950K, 1050K
2154G, 2654G, 3154G, 3754G
620G, 672G, 770G, 872G
524K, 544K, 624K, 644K, 744K, 824K, 844K, 944K
Common Repair Issues
• Engine overheating caused by stuck thermostats
• Slow engine warm-up or unstable temperature regulation
• Oil temperatures running too high under load
• Restricted oil cooler passages reducing cooling efficiency
• Coolant circulation problems affecting engine performance
• Increased engine wear caused by poor thermal regulation
Parts Covered in This Category
• Engine oil coolers
• Oil cooler assemblies
• Engine thermostats
• Cooling system temperature regulation components
These cooling components are designed to manage engine operating temperature in heavy-duty diesel applications. Oil coolers help dissipate heat from engine oil while thermostats regulate coolant flow to maintain proper operating temperature. Parts provide factory-style fit and mounting alignment for John Deere diesel engines used in forestry, construction, and industrial equipment.
Key Notes
Application: Cooling system replacement parts for John Deere diesel engines used in forestry and heavy equipment.
Coverage: Includes engine oil coolers and thermostats used to regulate oil and coolant temperature.
Material/Build: Cast and machined cooling system components designed for high-temperature diesel engine operation.
Function: Maintains stable engine temperatures and prevents overheating under heavy load conditions.
Made In / Brands: Varies by part.
Why Choose Broken Tractor
✅ Model-Specific Cooling System Components
✅ Factory-Style Fit for Engine Service Repairs
✅ Fast U.S. Shipping & Experienced Support
