Mahle B45971 Spark Plug Tube Seal Set

Volvo Spark Plug Tube Seal Set

Restore a clean, reliable seal around the spark plug tubes with this Mahle spark plug tube seal set. Built from molded rubber to OEM standard, Mahle B45971 is made for Volvo engines that need dependable secondary ignition sealing and leak control.

Mahle B45971 is a direct-fit sealing solution for select Volvo C30, C70, S60, S40, V50, V70, XC70, S80, XC90, S70, and 850 applications. This part cross-references FEL-PRO ES 72477 and Volvo 1 397 525 for the same application.

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 Volvo valve cover and plug tube sealing applications
• Mahle sealing products are used by OEMs and technicians worldwide
• Part number B45971 for easy identification and ordering

Detailed Description

Mahle B45971 is a spark plug tube seal set engineered for Volvo engines that use tube-style plug wells. The molded rubber material helps maintain a tight seal at the spark plug tube opening, reducing the chance of oil intrusion into the ignition area and supporting stable secondary ignition performance. For Volvo C30, Volvo C70, Volvo S60, and other listed models, this seal set provides an OEM-standard replacement built around the original application requirements.

Use Mahle B45971 when servicing valve cover sealing areas on compatible Volvo vehicles where spark plug tube seals are part of the repair. The fitment coverage includes 1993-2013 Volvo applications, with model-specific coverage for C30, C70, S60, S40, V50, V70, XC70, S80, XC90, S70, and 850 platforms.

What It Helps Fix

• Oil leaking into spark plug tubes
• Misfire concerns caused by contaminated ignition components
• Worn or hardened tube seals
• Valve cover service on Volvo engines with plug tube sealing requirements
• Secondary ignition contamination from aging rubber seals

Installation Notes and Tips

Inspect the spark plug tubes, valve cover sealing surfaces, and surrounding ignition components before installation. Clean all mating surfaces thoroughly and replace any oil-soaked ignition parts as needed. Confirm the vehicle application against the listed Volvo fitment before service, and follow the manufacturer service procedure for the engine being repaired.

Quality Assurance

Mahle sealing products are supplied to OEM-level standards and are trusted by technicians for factory-style sealing performance. B45971 is built with molded rubber construction to support consistent fit and long-term sealing in the specified Volvo applications.