Dorman 904-139 Turbocharger Oil Line - Pressure

Durable Turbocharger Oil Line for Chevrolet and GMC Trucks

The Dorman 904-139 turbocharger oil line is engineered to provide reliable oil delivery for turbocharged engines in select Chevrolet and GMC heavy-duty trucks. Constructed from steel with thermal wrapping, this one-piece oil line ensures consistent performance and durability under demanding conditions.

• Made from high-quality steel with natural finish for corrosion resistance
• One-piece configuration with thermal wrapping for heat protection
• Includes two banjo bolts and two copper washer gaskets for secure sealing
• Specific fit for Chevrolet Express 2500/3500, GMC Savana 2500/3500, Sierra 2500 HD/3500 HD, and Silverado 2500 HD/3500 HD
• Standard replacement grade with M12 x 1.5 male fittings on both ends

Product Details and Specifications

The Dorman 904-139 turbocharger oil line is designed as a direct replacement part, tailored specifically for turbocharged diesel and gasoline engines in Chevrolet and GMC heavy-duty trucks. Measuring 1 foot in length, this oil line features male banjo bolt fittings on both ends with a thread diameter of M12 x 1.5, ensuring a precise and leak-free connection. The included copper washer gaskets and banjo bolts facilitate proper installation and sealing. The steel construction combined with thermal wrapping helps protect the line from heat damage and maintains oil flow integrity under high-temperature conditions.

Compatible Vehicles and Applications

This turbocharger oil line is compatible with the following models:

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

Common Issues Addressed by This Turbocharger Oil Line

• Oil leaks caused by cracked or damaged turbo oil lines
• Reduced turbocharger performance due to restricted oil flow
• Overheating of turbocharger components from inadequate oil supply
• Wear and corrosion in original oil lines leading to failure
• Replacement of worn or deteriorated banjo bolt fittings and seals

Installation Notes and Tips

Installation of the Dorman 904-139 turbocharger oil line requires basic mechanical skills and appropriate tools. Ensure the engine is cool before beginning work. Use the included banjo bolts and copper washers to secure the oil line fittings tightly, preventing leaks. Inspect the turbocharger oil ports for cleanliness before installation. It is recommended to replace any worn or damaged mounting hardware separately, as this product does not include mounting hardware.

Quality Assurance and Warranty

Dorman provides this turbocharger oil line as a standard replacement part, manufactured to meet OEM specifications for fit and function. The steel construction and thermal wrapping contribute to long service life. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the supplier for exact warranty terms.