Mahle B45972 Spark Plug Tube Seal Set

Mahle Spark Plug Tube Seal Set B45972

Mahle B45972 is an OEM-standard spark plug tube seal set made from molded rubber for reliable secondary ignition sealing. It is built for Volvo applications that require a precise seal at the spark plug tubes, helping maintain clean, dry plug wells and consistent engine operation.

Key Features

• Molded rubber construction for dependable sealing performance
• OEM Standard item grade for factory-style fit and function
• Designed for secondary ignition service on Volvo engines
• Direct replacement for applications using Mahle B45972
• Cross-references FEL-PRO ES 72477 and Volvo 1 397 525 for the same application

Detailed Description

This Mahle spark plug tube seal set is engineered for Volvo S80, V70, XC70, XC90, S90, V90, and 960 applications that use molded rubber tube seals. The B45972 part number is a practical OE-style sealing solution for maintaining the integrity of the spark plug wells and supporting proper ignition system service. Mahle is known for sealing products used by OEMs and technicians worldwide, and this set follows that same service-focused approach.

Compatible With 2007-2009 Volvo S80, 1999-2005 Volvo S80, 2008-2009 Volvo V70, 2008-2009 Volvo XC70, 2007-2009 Volvo XC90, 2003-2005 Volvo XC90, 1997-1998 Volvo S90, 1997-1998 Volvo V90, and 1992-1997 Volvo 960. The Mahle B45972 listing is a fitment-specific choice for Volvo secondary ignition maintenance.

What It Helps Address

• Oil or moisture entering the spark plug tube area
• Degraded spark plug well sealing from aged rubber
• Misfire conditions related to contaminated plug wells
• Service issues caused by hardened or cracked tube seals
• Loss of sealing integrity during ignition maintenance

Installation Notes and Tips

Inspect the spark plug tubes and surrounding sealing surfaces before installation. Clean the area thoroughly, and replace worn seals during ignition service to restore proper sealing. Verify vehicle application by year and model before ordering, especially on Volvo S80, XC90, and related platforms. Use the B45972 part number to confirm the correct seal set for the engine configuration.

Quality Assurance

Mahle supplies OEM-standard sealing products trusted by vehicle manufacturers and professional technicians. This spark plug tube seal set is manufactured to support factory-style service requirements for the listed Volvo applications.