Mahle B31693 Spark Plug Tube Seal Set

Mahle B31693 Spark Plug Tube Seal Set

Mahle B31693 is an OEM-standard spark plug tube seal set made from molded rubber for reliable sealing in the ignition system. It is built for Lexus and Toyota V8 applications where spark plug tube seals must maintain a tight barrier against oil intrusion and contamination.

Key Features

• Molded rubber construction for consistent sealing performance
• OEM Standard item grade for factory-style fit and function
• Designed for secondary ignition service on Lexus and Toyota engines
• Direct replacement style for common OE applications
• Mahle sealing product backed by OE-focused manufacturing standards

Detailed Description

Mahle B31693 spark plug tube seals are engineered for vehicles that use valve cover-mounted plug tubes, including Lexus LX570, GX460, GX470, GS430, LS430, SC430, and Toyota Land Cruiser, Sequoia, Tundra, and 4Runner applications. This part cross-references Beck/Arnley 0396377 and FEL-PRO ES73110 for the same application. It also aligns with Toyota OE part numbers 11193-16010 and 11193-70010. If you are servicing a Toyota Land Cruiser, Toyota Tundra, or Lexus LX570 ignition system, this seal set supports a factory-style repair approach.

What It Is Used For

• Stopping oil from entering spark plug tubes
• Addressing spark plug well contamination
• Replacing hardened or flattened valve cover tube seals
• Restoring a proper seal during ignition service
• Supporting maintenance on high-mileage Lexus and Toyota engines

Installation Notes and Tips

Inspect the valve cover sealing surfaces before installation and clean away oil residue, debris, and old gasket material. Replace worn tube seals during valve cover service to help maintain a uniform seal across the ignition system. Confirm vehicle fitment by year, make, and model before ordering, especially on Lexus LX570, Toyota Sequoia, and Toyota Tundra applications.

Quality Assurance

Mahle sealing products are used by OEMs and technicians worldwide, and this part is built to OEM Standard expectations with molded rubber construction for dependable service in the specified Lexus and Toyota applications.