Dorman 615-305 Engine Intake Manifold Gasket Set - Lower and Upper

Overview of Dorman Engine Intake Manifold Gasket Set 615-305

The Dorman 615-305 engine intake manifold gasket set is designed for reliable sealing in select GM vehicles. This gasket set includes both metal and rubber components, engineered to provide a precise fit and maintain engine performance in Cadillac, Chevrolet, and GMC models.

• Includes upper and lower intake manifold gaskets and valve cover gaskets
• Constructed from durable metal and rubber materials
• Cut to fit design for accurate installation
• Standard replacement grade for dependable sealing
• Compatible with 8-port intake manifolds measuring 34x57 mm

Detailed Product Description

The Dorman 615-305 intake manifold gasket set is a comprehensive sealing solution for various GM trucks and SUVs, including the Chevrolet C1500, C2500, C3500, Tahoe, and GMC Yukon, as well as Cadillac Escalade and Express series vans. This set features both metal and rubber gaskets designed to withstand engine heat and pressure, ensuring a tight seal between the intake manifold and cylinder head. The cut-to-fit design allows for precise alignment with the 8 intake ports, each measuring 34x57 mm, which helps prevent air and coolant leaks that can affect engine efficiency.

Compatible Vehicles and Applications

This gasket set is compatible with a range of GM vehicles, including:

• Cadillac Escalade
• Chevrolet C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, Tahoe
• GMC K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Yukon
• Express 1500, 2500, 3500 and Savana 1500, 2500, 3500 vans
• G30, P30, P3500 chassis models

Common Issues Addressed by This Gasket Set

• Prevents intake manifold air leaks that cause rough idling or poor engine performance
• Seals coolant passages to avoid engine overheating and coolant loss
• Eliminates vacuum leaks that can trigger check engine lights
• Reduces oil leaks around valve covers
• Maintains proper engine compression and fuel efficiency

Installation Notes and Tips

• Ensure all old gasket material is fully removed before installation
• Use the cut-to-fit feature to align gaskets precisely with intake ports
• Torque bolts to manufacturer specifications to avoid warping or leaks
• Inspect intake manifold and valve cover surfaces for damage prior to installation
• Replace any damaged bolts or hardware during reassembly

Quality Assurance and Warranty

Dorman provides this engine intake manifold gasket set as a standard replacement part, manufactured to meet OEM specifications for fit and function. The combination of metal and rubber materials ensures durability under typical engine operating conditions. While specific warranty details may vary, Dorman parts generally come with a limited warranty against defects in material and workmanship.