Standard Ignition FJ877 Fuel Injector

Overview of Standard Ignition Fuel Injector FJ877

The Standard Ignition FJ877 fuel injector is designed specifically for select Mercedes-Benz models, including the C43 AMG, E55 AMG, ML55 AMG, and SLK55 AMG. This new Mfi injector features a green finish and is engineered to meet the precise fuel delivery requirements of your vehicle's Mfi system.

• New Mfi fuel injector with green color/finish
• Compatible with Mercedes-Benz C43 AMG, E55 AMG, ML55 AMG, SLK55 AMG
• Male blade terminals with two terminals for secure connection
• Designed for Mfi (Multiport Fuel Injection) system type
• Standard Ignition part number FJ877 for accurate fitment

Detailed Product Description

The Standard Ignition FJ877 fuel injector is a new, direct replacement part designed for vehicles equipped with a Multiport Fuel Injection (Mfi) system. Its green finish helps identify the injector type, while the male blade terminals with two terminals ensure a reliable electrical connection. This injector is engineered to deliver precise fuel atomization and flow, which is critical for maintaining engine performance and efficiency in Mercedes-Benz models such as the C43 AMG, E55 AMG, ML55 AMG, and SLK55 AMG. The FJ877 injector supports optimal combustion by matching the original equipment specifications for fuel delivery and system compatibility.

Common Applications and Issues Addressed

• Restores proper fuel delivery in Mercedes-Benz Mfi systems
• Resolves rough idling or engine misfires caused by faulty injectors
• Improves fuel efficiency and engine responsiveness
• Eliminates hesitation or stalling during acceleration
• Prevents fuel leaks and electrical connection failures

Installation Notes and Tips

When installing the Standard Ignition FJ877 fuel injector, ensure the engine is cool and the fuel system is depressurized to avoid injury. Verify the injector terminals match the male blade type with two terminals for proper connection. Use appropriate tools to avoid damaging the injector or fuel rail. It is recommended to replace injector seals and O-rings during installation to maintain a secure, leak-free fit. After installation, perform a system check to confirm proper fuel delivery and engine operation.

Quality Assurance and Warranty

Standard Ignition manufactures the FJ877 fuel injector to meet or exceed OEM standards for fit, form, and function. Each injector undergoes rigorous testing to ensure durability and performance in demanding conditions. This product comes with a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for your Mercedes-Benz C43 AMG, E55 AMG, ML55 AMG, or SLK55 AMG.