Price: query Add to cart Go to cart Rating: 46 Buy John Deere Tube Nut R51937 genuine, new aftermarket tractor parts with delivery TUBE Cross Reference number: Compare Prices: . As an associate, we earn commssions on qualifying purchases through the links below $13.90 25 Sep 2025 US: FMG Farm Produc R51937, R123593 Injection Line Nut fits to John Deere FMG Products Farmers Goods & Products R51937, R123593 Injection Line Nut fits to John Deere || Fits to models: 1850, 1750, 2040, 1640, 2140, 2155, 2250, 2450, 2350, 2650, 2850, 2755, 2950 Number on catalog scheme: 33 John Deere machinery list: _ Book/Page 8235R Tractor (S.N. 016001 - 090000)(Worldwide Edition) / 19 Engine 6090RW211-RE544773-ETN14221 1615 Fuel Injection Pump (013522 - ) 1615 Fuel Injection System (013542 - ) 1615 Fuel Injection System (013542 - ) 8260R Tractor (S.N. 016001 - 090000)(Worldwide Edition) / 19 Engine 6090RW211-RE544773-ETN14221 1615 Fuel Injection Pump (013522 - ) 1615 Fuel Injection System (013542 - ) 1615 Fuel Injection System (013542 - ) 8285R Tractor (S.N. 016001 - 090000)(Worldwide Edition) / 18 Diesel Engine 6090RW221-RE545524-ETN17181 1615 Fuel Injection Pump 1615 Fuel Injection Pump (013522 - ) 1615 Fuel Injection System (013542 - ) 1615 Fuel Injection System (013542 - ) 570, 570A (Automatic Blade Control System) Motor Graders / 25 FUEL SYSTEM FUEL INJECTION SYSTEM (329 CUBIC INCH (5392 CM3) ENGINE) (ENGINE SERIAL NO. 513907-621172) (MANUFACTURED 1979-1983) (ENGINE SERIAL NO. 100001- ) (MANUFACTURED 1983- ) [01F01] 5400N Tractor / 30 Fuel And Air Tractor INJECTION NOZZLE 5500N Tractor / 30 Fuel And Air Tractor INJECTION NOZZLE PowerTech 13.5L 6135AFM75 OEM Marine Engine (6135 Tier 2) / 270 Heat Exchanger 6135AFM75 2707 Expansion Tank 2520 Tractor / 30 FUEL AND AIR INJECTION NOZZLE (ENGINE SERIAL NO. 177721- ) [01E12] 8285R Tractor (S.N. 052201-055000)(Russia Edition) / 20 Engine 6090RW211-RE544773-ETN14221 1615 Fuel Injection Pump (013522 - ) 2854 Tractor (China Edition) / 21 Engine 6090RW237-RE561478 1615 Fuel Injection Pump 8245R Tractor (S.N. 090001-170000)(Worldwide Edition) / 21 Engine 6090RW246-DZ106875-ETN20017 1615 Fuel Injection Pump 1615 Fuel Injection Pump 410 Backhoe Loader / 30 FUEL SYSTEM FUEL INJECTION SYSTEM (ENGINE SERIAL NO. 505341- ) [01E03] PowerTech 6.8L 6068TFM75 Marine Engine / 650 Turbocharger 6068TFM75 65LW Turbocharger PowerTech 6.8L 6068TFM76 Marine Engine / 650 Turbocharger 6068TFM76 65LU Turbocharger 65LX Turbocharger PowerTech 9.0L 6090SFM85 (6090 Tier 2) Marine Engine / 2700 Heat Exchanger 6090SFM85 2709 Hardwares and Fittings, Heat Exchanger PowerTech 13.5L 6135SFM85 (6135 Tier 3) Marine Engine / 2700 Heat Exchanger 6135SFM85 2707 Expansion Tank PowerTech 13.5L 6135AFM85 Marine Engine / 270 Heat Exchanger 6135AFM85 2707 Expansion Tank 2030 Tractor / 30 FUEL AND AIR FUEL INJECTION NOZZLE (ROOSA-MASTER) [01G11] FUEL INJECTION NOZZLE (REPLACEMENT) [01G12] 6030 Tractor / 30 FUEL AND AIR FUEL INJECTION PUMP, NOZZLES, AND FUEL LINES (6531A) [01G07] FUEL INJECTION PUMP, NOZZLES, AND FUEL LINES (6531A) [01G07] 4030 Tractor / 30 FUEL AND AIR FUEL INJECTION NOZZLE [01E18] FUEL INJECTION NOZZLE [01E19] 4430 Tractor / 30 FUEL AND AIR FUEL INJECTION PUMP, NOZZLES, AND FUEL LINES (ENGINE SERIAL NO. -445569) [01E12] 4630 Tractor / 30 FUEL AND AIR FUEL INJECTION PUMP, NOZZLES, AND FUEL LINES (ENGINE SERIAL NO. -445947) [01E16] JD740 Skidder / 30 FUEL SYSTEM FUEL INJECTION NOZZLES AND LINES (ENGINE SERIAL NO. 576897- ) [01E01] FUEL INJECTION PUMP, NOZZLES AND LINES (ENGINE SERIAL NO. -445947) [01D21] FUEL INJECTION PUMP (ENGINE SERIAL NO. 576897- ) [01D25] 690B Excavator / 30 FUEL SYSTEM FUEL INJECTION PUMP, NOZZLES AND LINES - CONTINUED (ENGINE SERIAL NO. -445569) [01E04] FUEL INJECTION PUMP, NOZZLES AND LINES (ENGINE SERIAL NO. 576876- ) [01E14] FUEL INJECTION PUMP, NOZZLES AND LINES (ESN 445570-576875) [01E12] 544B Loader / 25 FUEL SYSTEM FUEL INJECTION SYSTEM (ENGINE SERIAL NO. 513018- ) [01D19] FUEL TANK (ENGINE SERIAL NO. 513018- ) [01D05] JD740 Grapple Skidder / 30 FUEL SYSTEM FUEL INJECTION PUMP, NOZZLES AND LINES (ENGINE SERIAL NO. 576897- ) [01D23] FUEL INJECTION PUMP (ENGINE SERIAL NO. 576897- ) [01D22] FUEL INJECTION PUMP, NOZZLES AND LINES (ENGINE SERIAL NO. -445947) [01D18] 450C Crawler Bulldozer / 30 FUEL SYSTEM FUEL INJECTION SYSTEM (ENGINE SERIAL NO. 505401- ) [01D12] 300B Loader and Backhoe Loader / 30 FUEL SYSTEM FUEL INJECTION SYSTEM (ENGINE SERIAL NO. 505330-621172) (MANUFACTURED 1974 - 1983) (ENGINE SERIAL NO. 100001-127775) (MANUFACTURED 1983 - ) [01D16] FUEL INJECTION SYSTEM (ENGINE SERIAL NO. 127776- ) (MANUFACTURED 1983 - ) [01D18] 301A Tractor and Loader / 30 FUEL SYSTEM FUEL INJECTION SYSTEM (ENGINE SERIAL NO. 127776- ) [01D18] FUEL INJECTION SYSTEM (ENGINE SERIAL NO. 505330- ) (ENGINE SERIAL NO. 282381-621172) (MANUFACTURED 1974-1983) (ENGINE SERIAL NO. 100001-127775) (MANUFACTURED 1983-1985) [01D16] Parts tube John Deere : R519371 Hose JohnDeere R519376 Elbow Fitting JohnDeere R519383 Screw JohnDeere R519398 Gasket JohnDeere R519400 Bracket JohnDeere R519401 Tube JohnDeere R519025 Tube JohnDeere R518871 Tube Nut JohnDeere R518765 Tube JohnDeere R518764 Tube JohnDeere R518761 Tube JohnDeere R518760 Tube JohnDeere R518751 Tube JohnDeere R518729 Tube JohnDeere R518393 Tube JohnDeere R51839 TUBE JohnDeere R51834 Tube Nut JohnDeere R517479 Tube JohnDeere R519401 Tube JohnDeere R519436 Tube Nut JohnDeere R519517 Tube JohnDeere R520169 Tube JohnDeere R520434 Tube JohnDeere R520676 Tube JohnDeere R520869 Tube JohnDeere R521106 Tube JohnDeere R521205 Tube JohnDeere R521315 Tube JohnDeere R521342 Tube JohnDeere R521426 TUBE JohnDeere
