BCBC V3402 Engine Exhaust Valve

Engine Exhaust Valve Overview

The Melling V3402 is a standard replacement engine exhaust valve built for stock applications that require precise dimensions and durable valve-train performance. It is a steel valve with a 45-degree seat angle, sized for consistent sealing and heat resistance in everyday engine service.

Key Features

• Steel construction for strength and heat tolerance in exhaust service.
• Standard replacement grade for stock engine rebuilds and repairs.
• 45-degree seat angle for proper valve seating and sealing.
• 1.141-inch valve head diameter and 0.214-inch stem diameter.
• 4.725-inch overall length for specified OEM-style applications.
• Three lock grooves for compatible valve-train setups.

Detailed Description

Melling V3402 exhaust valve is engineered for precise fit and dependable operation in a range of stock engine applications. The steel construction and controlled dimensions support consistent exhaust flow and sealing under high-temperature conditions. This part number, V3402, is used across Jeep Cherokee, Jeep Compass, Jeep Renegade, Ram ProMaster City, Chrysler 200, and Dodge Dart applications listed in the fitment data, making it a relevant choice for rebuilds that require an OE-style exhaust valve. The V3402 is also cross-referenced to Monroe Shocks & Struts 13402 for the same application.

What It Is Used For

• Restoring exhaust valve sealing in worn cylinder heads.
• Replacing a damaged or heat-stressed valve during engine repair.
• Correcting compression loss caused by poor valve seating.
• Supporting proper exhaust gas flow in stock valve-train setups.
• Matching specified valve dimensions during rebuild work.

Installation Notes and Tips

Verify valve head diameter, stem diameter, length, and seat angle against the original component before installation. Confirm compatibility with the cylinder head and valve-train specifications for the exact vehicle application. Professional machine work and inspection of guides, seats, and related components are recommended during engine service.

Quality Assurance

Melling uses precision manufacturing processes and selected alloy materials to produce exhaust valves with high fatigue strength and heat resistance. Part number V3402 is built to meet the dimensional and performance requirements expected in stock replacement engine service.