AR50781 Fuel Injector for John Deere 3020 4020 4010 4040 500C 6PCS

Product Overview

This aftermarket replacement fuel injector set is intended for the listed John Deere 3020, 4020, 4010, 4040, and 500C applications and references part numbers AR50781, 20494, and AR39811. A fuel injector meters and delivers fuel into an engine's combustion system as part of normal fuel delivery.

Key Features & Performance

• Fuel injector set identified as a six-piece quantity
• Supports the normal fuel delivery function of an engine injection system
• References part numbers AR50781, 20494, and AR39811 for comparison
• Intended for servicing or replacing the corresponding fuel injectors in the listed applications

Fitment & Compatibility

• for John Deere 3020 applications
• for John Deere 4020 applications
• for John Deere 4010 applications
• for John Deere 4040 applications
• for John Deere 500C applications

Common Uses

• Replacing worn, damaged, or malfunctioning fuel injectors
• Routine maintenance of the engine fuel injection system
• Servicing fuel delivery components for the listed John Deere applications

Technical Specifications

• Product Type: Fuel injector
• Quantity: 6 pieces
• Part Number(s): AR50781; 20494; AR39811
• Machine Application(s): John Deere 3020, 4020, 4010, 4040, and 500C

Frequently Asked Questions

Q: What does a fuel injector do? A: A fuel injector meters and delivers fuel into the engine's combustion system as part of normal engine operation.

Q: How should fitment be verified? A: Compare the complete existing part number, including AR50781, 20494, or AR39811, with the complete John Deere model designation before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.