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John Deere Engine Oil Coolers & Thermostats

Fits Models At A Glance: John Deere Skidders: 340D, 440C, 440D, 448D, 540B, 540D, 548D, 540E, 548E, 640E, 648E, 740E, 748E John Deere Loaders: 344E, 344G, 444E, 444G, 544D, 610B John Deere Backhoes: 410C, 410D, 510C, 510D,...

Fits Models At A Glance: Articulated Dump Trucks: 250D, 260E, 370E, 410E, 410E II, 460E, 460E II Backhoes: 410E, 710K Crawler Loaders: 655K, 755K Dozers: 700K, 700L, 700L PL, 750K, 750L, 850K, 850L, 850L PL, 950K, 1050K, 1050K PL Excavators:...

Fits Models At A Glance: Articulated Dump Trucks: 250D, 260E Backhoes: 210L, 310J, 310K, 310K EP, 310L, 310L EP, 310SJ, 310SK, 310SL, 315SJ, 315SK, 315SL, 410J, 410K, 410L, 710J, 710K Dozers: 450J, 650J, 850J, 850J-II, 850JR, 850L,...

Fits John Deere Equipment with 6.466 Engine (Before Engine Serial #336698 unless noted): Dozers: 850B Excavators: 690C, 690CR, 693C, 790, 790D, 792, 892DLC Motor Graders: 770A, 770B, 770BH, 772A, 772B, 772BH Wheel Loaders: 444, 544, 544A...

Fits Models At A Glance: Backhoes: John Deere 210C, 310C, 310D, 315CH John Deere 410C, 410D, 510B Crawler Loaders: John Deere 555 Skidders & Loaders: John Deere 540G, 548E, 548G John Deere 624E, 624G Key Notes: Part Numbers:...

Image Fits Model Description Part # Price Product Details
Engine Oil Cooler for John Deere Loaders, Skidders & 300 Series Engines See Details 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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Thermostat for John Deere 1050K dozer RE554015 See Details 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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Thermostat for John Deere 310K backhoe DZ100553 See Details 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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John Deere Oil Cooler AT25038 See Details 850B, 892DLC, 770A, 770B, 770BH, 772A, 772B, 772BH, 444, 544, 544A, 644D, 646C, 690C, 690CR, 693C, 740A, 743, 743A, 762A, 790, 790D, 792, 793D Oil Cooler, Engine AT25038
$234.00
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JD 310C Engine Oil Cooler RE31929 See Details 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

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Product: Category: John Deere Engine Oil Coolers & Thermostats Brand: Head Title: John Deere Engine Oil Coolers & Thermostats | Broken Tractor