Mahle GS33782 Spark Plug Tube Seal Set

Overview

Mahle GS33782 is a spark plug tube seal kit for Subaru applications that need a molded rubber sealing solution. It is built for engines where worn tube seals can lead to oil intrusion around the spark plug wells and related ignition issues.

This part cross-references Subaru 10966 AA040 for the same application.

Key Features

• Molded rubber construction for consistent sealing performance.
• Spark plug tube seal set for secondary ignition service.
• Mahle sealing products are trusted by OEMs and technicians worldwide.
• Fits a wide range of Subaru models, including Impreza, Legacy, Outback, Ascent, BRZ, Crosstrek, Forester, and WRX.

Detailed Description

Mahle GS33782 is a direct-fit spark plug tube seal kit for Subaru vehicles across multiple model years, including 2013-2025 Subaru Impreza, 2013-2025 Subaru Legacy, 2013-2025 Subaru Outback, 2019-2024 Subaru Ascent, 2013-2024 Subaru BRZ, 2016-2024 Subaru Crosstrek, 2013-2024 Subaru Forester, 2015-2024 Subaru WRX, and 2013-2018 Subaru XV Crosstrek. The molded rubber design helps restore the sealing surface around the spark plug tubes, which is important when oil contamination or aging seals affect ignition service. For Subaru Impreza and Subaru Outback maintenance, GS33782 provides a fitment-specific sealing repair that matches the listed applications.

What It Is Used For

• Stopping oil from collecting in spark plug tube wells.
• Replacing hardened or cracked tube seals.
• Restoring a proper seal during ignition service.
• Addressing leaks that can interfere with spark plug inspection or replacement.

Installation Notes and Tips

Verify the engine application against the listed fitment before installation. Clean the sealing surfaces thoroughly and inspect the tube area for oil residue, debris, or damage before installing the new seals. Use the part number GS33782 to confirm the correct Subaru application during ordering and service.

Quality Assurance

Mahle gaskets are recognized for sealing products used by OEMs and professional technicians. Part number GS33782 is engineered as a molded rubber sealing kit for the specified Subaru fitments.