BCBC V3321 Engine Intake Valve

Engine Intake Valve Overview

The Melling V3321 engine intake valve is a standard replacement valve built for stock applications. It uses high alloy steel construction and precise dimensions to support consistent sealing and dependable valve-train operation in Mini Cooper, Cooper Countryman, and Cooper Paceman applications.

Key Features

• High alloy steel valve material for strength and heat resistance
• Standard replacement grade for stock engine service
• 45-degree seat angle for proper valve seating
• 3-groove lock design
• Precision stem and head dimensions for accurate fitment

Detailed Description

Built under the Melling Stock line, part number V3321 is engineered as an intake valve for OEM-style service work. The valve measures 97.0 mm in length with a 5.0 mm stem diameter and a 30.0 mm head diameter, giving it the dimensional consistency needed for valve-train repairs and rebuilds. Its steel construction and high alloy valve material support durability under repeated heat cycles, while the standard replacement grade keeps it aligned with stock engine specifications. This part cross-references OSC 13321 for the same application.

Compatible With Mini Cooper, Mini Cooper Countryman, and Mini Cooper Paceman stock engine applications, the V3321 is a direct-fit intake valve choice for service work that requires accurate geometry and dependable sealing. The Melling V3321 is also referenced by part number 10-13321.

What It Is Used For

• Replacing a worn or damaged intake valve
• Restoring proper intake valve sealing
• Addressing compression loss related to valve wear
• Supporting cylinder head rebuilds and engine service

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 engine build. Professional machine work and inspection of related valve-train components are recommended during installation.

Quality Assurance

Melling uses precision manufacturing processes and selected alloy materials to produce intake valves with high fatigue strength and heat resistance. Part number V3321 is built to meet the specifications expected for durable stock replacement service.