Dorman 615-198 Engine Intake Manifold - Upper

Overview of Dorman 615-198 Engine Intake Manifold

The Dorman 615-198 engine intake manifold is designed for reliable performance in select Chevrolet, Oldsmobile, and Pontiac vehicles. Crafted from durable aluminum, this silver-colored intake manifold supports efficient air flow and is EGR ready for emissions compliance.

• Constructed from lightweight aluminum material
• Silver finish for corrosion resistance
• Regular grade type for standard engine applications
• EGR ready to support emission control systems
• Compatible with Chevrolet Alero, Oldsmobile Silhouette, Pontiac Grand Am, and other models
• Includes intake manifold only; gasket or seal not included
• Manifold height measures 4 inches
• Six port outlets sized 25 x 81 mm
• Street legal for on-road use

Detailed Product Description

The Dorman 615-198 intake manifold is engineered to meet the specifications required for proper air distribution in engines of Chevrolet Alero, Oldsmobile Silhouette, Pontiac Grand Am, Montana, Lumina APV, and Trans Sport models. Its aluminum construction offers a balance of strength and weight savings, while the silver finish helps resist corrosion over time. This intake manifold is designed without integrated mounts for alternators or air conditioning compressors, focusing solely on air intake functionality. The EGR ready feature ensures compatibility with exhaust gas recirculation systems, helping maintain emissions standards. With six port outlets measuring 25 by 81 millimeters, it supports efficient air flow to the engine cylinders. The 4-inch manifold height fits within the engine bay dimensions of the specified vehicles.

Common Applications and Issues Addressed

• Replacement for worn or cracked intake manifolds causing air leaks
• Restores proper air flow for improved engine performance in Chevrolet Alero and Pontiac Grand Am
• Supports emission control by being EGR ready in Oldsmobile Silhouette and related models
• Addresses manifold corrosion or damage in vehicles like the Chevrolet Montana and Lumina APV
• Ensures street legal compliance for on-road vehicles

Installation Notes and Tips

Installation of the Dorman 615-198 intake manifold requires removal of the old manifold and cleaning of the mounting surface to ensure a proper seal. Note that this product does not include gaskets or seals, so new components should be sourced separately. Proper torque specifications should be followed to avoid warping or leaks. Since this manifold does not include alternator or air conditioning compressor mounts, verify compatibility with your vehicle’s accessory setup before installation.

Quality Assurance and Warranty

Dorman manufactures this intake manifold to meet OEM standards for fit and function. The aluminum construction provides durability under normal operating conditions. While installation instructions are not included, professional installation is recommended. Warranty coverage details should be confirmed with the distributor or retailer, as they may vary.