Parts for John Deere 4039D Engines
Ensure the smooth operation of John Deere 4039D engines with parts from Diesel Parts Direct. Renowned for their reliability and fuel efficiency, 4039D John Deere engines need regular maintenance to keep these workhorses moving. Whether you need a fuel transfer pump or gasket set, we stock a wide selection of aftermarket and remanufactured parts, with many available for same-day shipping.
When you need to keep your 4039D Deere running, Diesel Parts Direct has everything you need. Starting with our serial number lookup and continuing through the parts selection process, we’re here to make servicing Deere diesels easy. In addition, our staff is ready to help selecting parts for the John Deere 4039 to ensure the proper fitment and function.
Keep your John Deere 4039D engines running with parts from Diesel Parts Direct.
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EXHAUST VALVE (1.670" HEAD DIAMETER, 5.252" LENGTH, 30deg)
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INTAKE VALVE (.015" OVERSIZE STEM DIAMETER)
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EXHAUST VALVE (.015" OVERSIZE STEM DIAMETER)
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INTAKE VALVE (1.834" HEAD DIAMETER, 5.275" LENGTH, 30deg)
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PISTON KIT (HIGH RING, 1.375" PIN DIAMETER)
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WATER PUMP REPAIR KIT (WITHOUT IMPELLER)
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CONNECTING ROD (1.375" PIN)
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CONNECTING ROD BEARING (STANDARD)
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CONNECTING ROD BEARING (.010")
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CONNECTING ROD BEARING (.020")
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CONNECTING ROD BEARING (.030")
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CYLINDER KIT (HIGH RING, 1.375" PISTON PIN DIAMETER)
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OIL COOLER (6 PLATE, 90° ELBOWS, DOUGHNUT TYPE)
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FUEL INJECTOR (PENCIL TYPE, MARKED 28480, 28481)
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FUEL TRANSFER PUMP (WITH 90deg HOSE BARBS)
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FUEL TRANSFER PUMP (THREADED PORTS, WITH MOUNTING GASKET)
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REAR CRANKSHAFT SEAL WITH SLEEVE (TEFLON)
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CYLINDER SLEEVE (WITH SEALING RINGS, 7.720" LENGTH)
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OVERHAUL GASKET SET (WITHOUT CRANKSHAFT SEALS)
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OIL PUMP (1.625" GEARS, 3 BOLT BACK PLATE)
Surplus Item - Special Pricing
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WATER PUMP (CASTING R70437, R78286, R100812)
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PISTON RING SET (1-1/8 K, 1-3/32, 1-3.5MM, 4.1929" BORE, 1 CYLINDER SET)
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