What does this specific injection line replace?

This Industrial Injection fuel injection line is designed to replace the line for cylinders 3 and 6 on the 6.6L Duramax LB7 engine. It's a direct replacement for the original part.

What vehicles does this fuel injection line fit?

This line is compatible with 2001-2004 Chevrolet Silverado 2500 HD, 2001-2004 Chevrolet Silverado 3500, 2001-2004 GMC Sierra 2500 HD, and 2001-2004 GMC Sierra 3500 models equipped with the LB7 engine.

Is any special hardware included with this injection line?

This product is the injection line itself. It is recommended to check the manufacturer's installation guide or consult with a technician to determine if any additional hardware or seals are needed for proper installation.

Industrial Injection

Specifications

Brand: Industrial Injection
Part #: AP63721
UPC: 843497103942

Industrial Injection

Industrial Injection 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 3 and 6

Name: Industrial Injection 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 3 and 6
Brand: Industrial Injection
Price: 99.66 USD
Availability: InStock

$99.66

Fits 2001-2004 Chevrolet Silverado 2500 HD. Industrial Injection fuel injection line for cylinders 3 and 6.

Key Features

Fits 2001-2004 Chevrolet Silverado 2500 HD, 2001-2004 Chevrolet Silverado 3500, 2001-2004 GMC Sierra 2500 HD, and 2001-2004 GMC Sierra 3500.
Specifically designed for the 6.6L Duramax LB7 engine.
Replaces the fuel injection line for cylinders 3 and 6.
Direct replacement part for straightforward installation.
Built to handle the demands of the diesel fuel system.

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Will this fit your vehicle?

Product Details

This is a direct replacement fuel injection line from Industrial Injection for your 2001-2004 Chevrolet Silverado 2500 HD or GMC Sierra 2500 HD equipped with the 6.6L Duramax LB7 engine. Specifically, this line is for cylinders 3 and 6, ensuring precise fuel delivery to those cylinders.

When rebuilding or repairing the fuel system on your Duramax LB7, using the correct, well-made replacement parts is crucial for optimal performance and reliability. This line is designed to fit right into the factory location, making installation straightforward for a mechanic. It's built to handle the high pressures of the diesel fuel system, helping to maintain consistent fuel flow to the injectors.

This part is often replaced as part of a comprehensive fuel system service or when diagnosing issues related to cylinder misfires or rough running. Having the right lines ensures that fuel reaches the combustion chamber without leaks or restrictions.