Stanadyne 20493 AR50784 Pencil Fuel Injector for Jo-hn Deere 5020 Tractor Diesel Engine
Product Details
| OEM Part No.: | AR50784 | Reman Interchange: | 20493R; Availability Varies By Supplier. |
|---|---|---|---|
| Injector Type: | Pencil-Type Mechanical Diesel Fuel Injector | Engine Fitment: | Selected Jo-hn Deere 5020 Tractor Diesel Engines |
| Ready To Install: | Direct Replacement After Opening-pressure Verification | Full After-Sales Service: | 6–12-month Warranty, Technical Support And Worldwide Shipping |
| Highlight |
Stanadyne pencil fuel injector,John Deere 5020 tractor injector,Delphi diesel engine fuel injector |
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Product Description
High-Quality Stanadyne 20493 AR50784 Pencil Fuel Injector for Jo-hn Deere 5020 Tractor Diesel Engine
The 20493 AR50784 is a pencil-type mechanical diesel fuel injector designed for selected Jo-hn Deere 5020 tractor engines. It provides accurate fuel delivery and a consistent spray pattern, helping improve combustion, restore engine power and reduce rough running. Its durable steel construction is suitable for demanding agricultural work. Confirm the original injector number, engine specification and opening pressure before ordering.
Available from MOQ 1 pc, with fast worldwide shipping and a 6–12-month warranty, it provides a reliable and cost-effective replacement option for compatible OEM applications.
We are a professional manufacturing factory dedicated to diesel engine spare parts. Our core product line covers diesel fuel injectors, injector nozzles, fuel injection pumps and complete injector repair kits. Backed by steady in-house stock, rigorous quality inspection and direct factory pricing, we partner with global wholesalers, maintenance workshops and machinery enterprises. We deliver premium reliable spare parts, fast lead time and all-round one-stop export service. We warmly welcome your inquiries and long-term business cooperation.
| # | Question | Answer |
|---|---|---|
| 1 | Which engines? | Selected Jo-hn Deere 5020 tractor diesel engines. |
| 2 | New or reman? | New and remanufactured options are available. |
| 3 | OE interchange? | AR50784 and 18766. |
| 4 | Warranty? | 6–12 months for confirmed quality issues. |
| 5 | Worldwide shipping? | Yes, by DHL, FedEx, UPS, air or sea freight. |
| 6 | Plug-and-play? | Direct replacement after confirming the opening pressure and fitment. |
| Part No. | Jo-hn Deere OEM / Interchange No. | Engine Fitment | Typical Applications | Notes |
|---|---|---|---|---|
| 20493 | AR50784, 18766 | Jo-hn Deere diesel engine | Jo-hn Deere 5020 tractor | Pencil-type mechanical fuel injector. |
| 20494 | AR50783, AR50781, AR39811, AR46846, SE501163 | Selected Jo-hn Deere diesel engines | 3020, 4000, 4010 and 4020 tractors | Verify the original injector number and opening pressure. |
| 20495 | AR52015, AR52014, AR49307, AR49308, AR59307, SE501166, SE501167 | Selected Jo-hn Deere diesel engines | 4520 tractor, 644 loader and 690A excavator | Pencil injector; several earlier numbers are included in this family. |
| 20518 | AR69290, AR69289, SE501168, SE501169, SE501170 | Jo-hn Deere 6404D and related engines | Pre-1969 3020 and 4020 tractors | Opening pressure must be checked before installation. |
| 22205 | AR88240, AR65867, AR68364, AR85616 | Jo-hn Deere 4276D/T and 6414D/T engines | Agricultural tractors and industrial equipment | Mechanical pencil injector; commonly supplied new or remanufactured. |
| 26993 | RE37503, RE31757, 26992, SE501100 | Jo-hn Deere 300 Series turbocharged engines | Selected 1850, 1950, 2140 and related tractors | White-code pencil injector; do not mix with other calibration codes. |
| 27333 | AR89564, AR89563, 27334, SE500822, SE500823, SE501099 | Jo-hn Deere 300 Series naturally aspirated engines | Selected 1550, 1750, 1850 and 3140 tractors | Blue-code pencil injector. |
| 27336 | AR90024, AR90023, 27337 | Jo-hn Deere 300 Series turbocharged engines | Selected 2040, 2140, 2450, 2650 and 2850 tractors | Green-code pencil injector; calibration-specific. |
| 28481 | RE36936, RE36935, 28480, SE500821 | Jo-hn Deere 300 Series naturally aspirated engines with RCP cylinder head | 210C/310C/315C loaders, 70D/290D excavators and 5300/5400/5500 tractors | Yellow-code pencil injector. |
| 28485 | RE38087, RE36939, 28484, SE500818, SE500819, SE501097 | Jo-hn Deere 300 Series turbocharged engines with RCP cylinder head | Selected tractors, loaders and industrial equipment | Orange-code pencil injector. |
Product Highlights
High-Quality Stanadyne 20493 AR50784 Pencil Fuel Injector for Jo-hn Deere 5020 Tractor Diesel Engine The 20493 AR50784 is a pencil-type mechanical diesel fuel injector designed for selected Jo-hn Deere 5020 tractor engines. It provides accurate fuel delivery and a consistent spray pattern, helping ...
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