BCBC V5812 Engine Exhaust Valve

Engine Exhaust Valve Overview

The Melling V5812 is a standard replacement engine exhaust valve built for select Toyota, Lexus, and Scion applications. It uses steel construction, a coated finish, and precise dimensions to support consistent sealing and exhaust flow in compatible engines.

Key Features

• Steel exhaust valve with a coated finish for added surface durability.
• Standard replacement grade for OE-style service work.
• 1.217 in. valve head diameter and 0.216 in. stem diameter.
• 113.0 mm overall length with a 45.3 degree seat angle.
• Single lock groove design; locks are not included.

Detailed Description

Melling V5812 is engineered as an exhaust valve for engines that require accurate valve geometry and dependable heat resistance. The steel construction and coated finish support long-term service in high-temperature exhaust environments, while the listed dimensions help maintain proper valve seating and combustion control. This part number is used across a broad range of applications, including Toyota Camry, Toyota RAV4, and Lexus ES300h fitments. The V5812 also cross-references 13715-0V010 for the same application.

What It Helps Address

• Burnt or worn exhaust valve surfaces.
• Loss of compression from poor valve sealing.
• Exhaust leakage caused by valve wear or distortion.
• Rough engine operation tied to valve train damage.
• Service replacement needs during cylinder head repair.

Installation Notes and Tips

Verify valve head diameter, stem diameter, length, and seat angle against the original component before installation. This part is listed for stock applications and should be matched to the correct engine specification during cylinder head service. Professional machine work and proper valve seating procedures are recommended for final assembly.

Quality Assurance

Melling uses precision manufacturing, alloy selection, and heat-resistant materials to produce exhaust valves for OEM and performance applications. The V5812 is built to meet the dimensional and durability requirements expected in engine valve train service.