Dorman 904-436 Hydrocarbon Injector

Overview of Dorman Hydrocarbon Injector 904-436

The Dorman 904-436 hydrocarbon injector is engineered for reliable diesel fuel delivery in heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Silverado 2500 HD and Express 3500, this injector ensures consistent performance under demanding conditions.

• Maximum outside diameter: 15 mm
• Maximum pressure reading: 300 psi
• Length: 380 mm
• Terminal type: Blade with 2 male terminals
• Connector gender: Female
• Fluid type: Diesel
• Inlet diameter: 8.4 mm with female quick connect
• Material: Steel and plastic construction
• Mount type: Bolt-on installation
• Nominal resistance: 12.7 ohms
• Includes O-rings and removal tool

Technical Details and Specifications

The Dorman 904-436 hydrocarbon injector is built with durable steel and plastic materials to withstand the rigors of diesel fuel injection systems. It features a maximum nozzle flow rate of 0.2 liters per minute, maintaining precise fuel delivery for optimal engine performance. The injector’s 8.4 mm female quick connect inlet and blade-type terminals with female connectors facilitate straightforward electrical and fuel line connections. With a bolt-on mount type, installation is secure and compatible with the fuel injection systems of Chevrolet Express 2500, GMC Sierra 3500 HD, and other specified models.

Compatible Vehicles and Applications

This hydrocarbon injector is compatible with a range of Chevrolet and GMC heavy-duty trucks, including:

• Chevrolet Express 2500 and 3500
• GMC Savana 2500 and 3500
• Chevrolet Silverado 2500 HD and 3500 HD
• GMC Sierra 2500 HD and 3500 HD

It is designed to replace OEM injectors in these models, ensuring proper fit and function within the fuel injection system.

Common Issues Addressed by This Injector

• Irregular fuel delivery causing engine misfires
• Reduced fuel efficiency in diesel engines
• Injector leaks or fuel pressure inconsistencies
• Engine performance loss under load
• Faulty injector electrical connections

Installation Notes and Tips

Installation of the Dorman 904-436 hydrocarbon injector requires removal of the old injector using the included removal tool. Ensure the mounting surface is clean and free of debris before bolt-on installation. The injector comes with O-rings to maintain a proper seal; verify these are correctly seated to prevent leaks. Electrical connections use blade terminals with female connectors—confirm secure attachment to avoid signal loss. No mounting hardware or gaskets are included, so retain original components or source replacements as needed.

Quality Assurance and Warranty

Dorman hydrocarbon injectors are manufactured to meet or exceed OEM specifications for durability and performance. The 904-436 injector includes O-rings and a removal tool to facilitate proper installation. While specific warranty details vary, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.