Delphi HM10090 Direct Injection High Pressure Fuel Pump - Left

Overview of Delphi HM10090 Direct Injection High Pressure Fuel Pump

The Delphi HM10090 is a mechanical direct injection high pressure fuel pump designed specifically for select Mercedes-Benz models. Engineered for gas fuel systems, this external fuel pump ensures reliable fuel delivery with precision and durability.

• Compatible with Mercedes-Benz models including C43 AMG, E63 AMG, GLS63 AMG, and more
• Mechanical pump type with metal housing for enhanced durability
• Threaded inlet and outlet fittings (M16-1.0) for secure connections
• Blade terminal type with two male terminals for electrical connections
• External mounting position on the left side of the engine

Detailed Product Features and Specifications

The HM10090 fuel pump features a robust metal housing finished in silver, designed to withstand the demands of high pressure fuel delivery in direct injection systems. It includes two threaded outlet ports and a threaded inlet port, both sized M16-1.0, facilitating straightforward installation and compatibility with factory fuel lines. The pump operates mechanically and is intended for use with gasoline fuel types. Electrical connections are made via two male blade terminals, ensuring secure and reliable power delivery. This unit does not include mounting hardware, gaskets, seals, wiring harnesses, or a drive shaft, so these components must be sourced separately if needed.

Compatible Mercedes-Benz Models and Applications

This Delphi direct injection high pressure fuel pump is compatible with a wide range of Mercedes-Benz vehicles, including but not limited to:

• C43 AMG, C400, C450 AMG
• CL63 AMG, CL550
• CLS63 AMG, CLS63 AMG S, CLS400, CLS550
• E43 AMG, E63 AMG, E63 AMG S, E400, E450, E550
• G63 AMG, GL63 AMG, GL450, GL550
• GLC43 AMG, GLE43 AMG, GLE63 AMG, GLE63 AMG S, GLE400, GLE450, GLE550e
• GLS63 AMG, GLS450, GLS550
• Maybach S550
• ML63 AMG, ML400, ML550
• S63 AMG, S450, S550, S550e, S560e
• SL63 AMG, SL400, SL450, SL550
• SLC43 AMG

Common Issues Addressed by the HM10090 Fuel Pump

• Inconsistent fuel pressure causing engine performance issues
• Fuel pump failure leading to engine stalling or no-start conditions
• Leaks or damage in the fuel pump housing or fittings
• Electrical connection problems due to worn or damaged terminals
• Replacement of worn mechanical fuel pumps in direct injection systems

Installation Notes and Tips

Installation of the Delphi HM10090 requires attention to the following:

• Ensure compatibility with the specific Mercedes-Benz model and engine variant
• Use appropriate mounting hardware and gaskets, as these are not included
• Verify correct orientation and position on the left side of the engine
• Confirm secure threaded connections on inlet and outlet ports (M16-1.0)
• Check electrical connections for proper blade terminal engagement

Quality Assurance and Warranty Information

Delphi manufactures the HM10090 as a standard replacement grade part, meeting OEM specifications for fit and function. The pump is constructed with a durable metal housing and tested for reliable operation in direct injection fuel systems. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or region.