Dorman 615-268 Engine Intake Manifold - Upper

Overview of Dorman Engine Intake Manifold 615-268

The Dorman 615-268 engine intake manifold is designed for reliable performance in select Ford and Lincoln vehicles. Constructed from durable black plastic, this intake manifold includes all necessary gaskets and mounting hardware for a complete installation.

• Material: High-quality plastic construction
• Color: Black
• Includes gasket and intake mounting hardware
• Port quantity: 8 with 2.5x1 inch outlet dimensions
• Manifold height: 11.125 inches
• Installation instructions included
• Street legal for on-road use

Detailed Product Description

The Dorman 615-268 intake manifold is engineered to meet the specifications required for Ford Expedition, F-150, F-250 Super Duty, F-350 Super Duty, Lincoln Mark LT, and Navigator models. Its plastic construction offers a balance of durability and weight savings compared to traditional metal manifolds. The manifold features eight ports with outlet dimensions of 2.5 by 1 inches, designed to optimize airflow to the engine cylinders. This regular grade manifold does not include mounts for alternator or air conditioning compressors and is not EGR ready, focusing on core intake functionality. The package includes the intake manifold, gaskets, intake mounting hardware, and a vacuum nipple to facilitate installation.

Compatible Vehicles and Applications

• Ford Expedition
• Ford F-150
• Ford F-250 Super Duty
• Ford F-350 Super Duty
• Lincoln Mark LT
• Lincoln Navigator

This intake manifold is suitable for replacing worn or damaged manifolds in these specific models, ensuring proper air delivery to the engine for efficient combustion.

Common Issues Addressed by This Intake Manifold

• Cracked or leaking intake manifold causing vacuum leaks
• Reduced engine performance due to damaged manifold
• Engine misfires related to intake air delivery problems
• Coolant leaks from manifold gasket failure
• Difficulty maintaining proper engine idle and throttle response

Installation Notes and Tips

The Dorman 615-268 intake manifold comes with detailed installation instructions to assist with proper fitment. It is important to ensure all old gasket material is fully removed before installation to prevent leaks. Use the included gaskets and mounting hardware for a secure and sealed fit. This manifold does not support alternator or air conditioning compressor mounts, so verify compatibility with your vehicle’s accessory setup. Proper torque specifications should be followed to avoid warping or damage during installation.

Quality Assurance and Warranty

Dorman manufactures this intake manifold to meet OEM standards for fit, form, and function. The product is street legal and designed for long-term durability. Installation instructions are included to support a professional-grade replacement. Warranty details are available through Dorman and typically cover defects in material and workmanship under normal use conditions.