Dorman 904-123 Fuel Injector Line - Return (Left)

Reliable Fuel Injector Line for Chevrolet and GMC Trucks

The Dorman 904-123 fuel injector line is engineered to provide consistent fuel delivery for heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Sierra 2500 HD and Silverado 3500 HD, this fuel injector line ensures optimal performance under demanding conditions.

• Durable rubber construction with a black finish
• 10-inch length with 0.117-inch inside diameter and 0.313-inch outside diameter
• Equipped with two male plastic fittings for secure connections
• Supports maximum pressure up to 40,000 psi
• Includes one fuel feed line and four injector clips for proper installation

Technical Details and Specifications

The Dorman 904-123 fuel injector line is made from high-quality rubber material designed to withstand high pressure and temperature variations common in fuel injection systems. Measuring 10 inches in length, it features a 0.117-inch inside diameter and a 0.313-inch outside diameter, with a wall thickness of 0.196 inches to ensure durability and resistance to wear. The line includes two male plastic fittings—one inlet and one outlet—providing secure and leak-resistant connections. Rated for a maximum pressure of 40,000 psi, this fuel injector line is suitable for heavy-duty applications in Chevrolet and GMC trucks.

Compatible Vehicles and Applications

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

• Chevrolet Sierra 2500 HD and Sierra 2500 HD Classic
• Chevrolet Sierra 3500, Sierra 3500 Classic, and Sierra 3500 HD
• GMC Sierra 2500 HD and Sierra 2500 HD Classic
• GMC Sierra 3500, Sierra 3500 Classic, and Sierra 3500 HD
• Chevrolet Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, and Silverado 3500 HD

Common Issues Addressed by This Fuel Injector Line

• Fuel leaks caused by cracked or worn injector lines
• Reduced fuel pressure affecting engine performance
• Fuel delivery interruptions due to damaged fittings
• Degraded rubber hoses leading to fuel contamination
• Injector line failure under high-pressure conditions

Installation Notes and Tips

When installing the Dorman 904-123 fuel injector line, ensure all connections are clean and free of debris. The included four injector clips should be used to secure the line properly and prevent movement or vibration. Verify that the male plastic fittings are fully seated to avoid leaks. It is recommended to inspect related fuel system components during installation to maintain overall system integrity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details for part number 904-123 are not provided, Dorman typically offers limited warranties covering defects in material and workmanship. For detailed warranty information, refer to Dorman's official documentation or contact the manufacturer directly.