Mahle B45889 Spark Plug Tube Seal Set

Mahle Spark Plug Tube Seal Set B45889

Mahle B45889 is an OEM-standard spark plug tube seal set made from molded rubber for reliable secondary ignition sealing. It is built for Ford, Lincoln, and Mercury applications where worn tube seals can allow oil intrusion around the spark plug wells.

Key Features

• Molded rubber construction for consistent sealing performance
• OEM Standard item grade for factory-style service replacement
• Designed for secondary ignition sealing at the spark plug tube area
• Mahle sealing product backed by OEM and technician trust
• Part number B45889 for accurate ordering and service matching

Application Details

Compatible with 1993-2012 Ford Mustang, 2005-2006 Ford GT, 2003-2005 Lincoln Aviator, 2003-2004 Mercury Marauder, 1995-2002 Lincoln Continental, 1999 Lincoln Navigator, and 1993-1998 Lincoln Mark VIII. This Mahle B45889 spark plug tube seal set is also cross-referenced to FEL-PRO ES73107 for the same application.

For Ford Mustang and Lincoln V8 service work, B45889 helps restore the sealing surface around the spark plug tubes so the ignition system stays protected from oil contamination. The molded rubber material is selected for a factory-style fit and dependable sealing in secondary ignition service.

What It Helps Address

• Oil leaking into spark plug wells
• Damaged or hardened tube seals
• Misfire conditions caused by contaminated plug boots
• Loss of sealing at the valve cover or plug tube interface
• Maintenance needs during ignition service on Ford Mustang and Lincoln applications

Installation Notes and Tips

Inspect the spark plug tubes, valve cover sealing surfaces, and ignition boots before installation. Clean all mating surfaces thoroughly and replace worn components as needed to maintain a proper seal. Confirm vehicle application by year, make, and model before ordering Mahle B45889.

Quality Assurance

Mahle sealing products are used by OEMs and technicians worldwide, and this part is built to OEM-standard expectations for service replacement. B45889 is manufactured with molded rubber for consistent sealing performance in secondary ignition applications.