Mahle GS33763 Spark Plug Tube Seal Set

Mahle Spark Plug Tube Seal Kit GS33763

Mahle GS33763 is a spark plug tube seal kit built with molded rubber for dependable sealing around the spark plug tubes. It is a direct-fit service part for a wide range of GM, Cadillac, Buick, Chevrolet, GMC, Pontiac, Saturn, Saab, and Suzuki applications where tube seal leakage can affect engine performance.

Mahle spark plug tube seal kits are part of a sealing product line trusted by OEMs and technicians for consistent fit and material quality. This GS33763 kit is a practical choice when servicing valve cover sealing on vehicles such as the Chevrolet Traverse, Buick Enclave, and Cadillac CTS.

Key Features

• Molded rubber construction for sealing at the spark plug tube area
• Mahle Spark Plug Tube Seal Kit, part number GS33763
• Direct replacement style for listed GM-family applications
• Supports valve cover service where spark plug tube seals are worn or leaking
• Cross-reference: FEL-PRO ES 72393 for the same application

Detailed Description

Mahle GS33763 is a spark plug tube seal set engineered for vehicles that use tube-mounted spark plug sealing within the valve cover assembly. The molded rubber material helps maintain a tight seal around the plug tubes, reducing the chance of oil intrusion into the spark plug wells and supporting stable ignition system operation. If you are servicing a Chevrolet Impala, GMC Acadia, or Buick LaCrosse, this part number GS33763 provides the sealing component needed for the repair.

Compatible With 2020-2023 Buick Enclave, 2020-2023 Chevrolet Traverse, 2018-2020 Chevrolet Impala, 2018-2019 Cadillac XTS, 2008-2019 Buick Enclave, 2009-2019 Chevrolet Traverse, 2013-2017 Cadillac ATS, 2004-2017 Cadillac CTS, 2013-2017 Cadillac XTS, 2012-2017 Chevrolet Caprice, 2008-2017 Chevrolet Equinox, 2012-2017 Chevrolet Impala, 2017 GMC Acadia Limited, 2010-2017 GMC Terrain, 2010-2016 Buick LaCrosse, 2005-2008 Buick LaCrosse, 2004-2016 Cadillac SRX, 2015-2016 Chevrolet Colorado, 2014-2016 Chevrolet Impala Limited, 2007-2016 GMC Acadia, 2015-2016 GMC Canyon, 2010-2015 Chevrolet Camaro, 2012 Chevrolet Captiva Sport, 2008-2012 Chevrolet Malibu, 2005-2011 Cadillac STS, 2011 Saab 9-4X, 2010-2011 Saab 9-5, 2010 Buick Allure, 2005-2008 Buick Allure, 2007-2010 Saturn Outlook, 2008-2010 Saturn Vue, 2007-2009 Pontiac G6, 2008-2009 Pontiac G8, 2008-2009 Pontiac Torrent, 2006-2009 Saab 9-3, 2007-2009 Saturn Aura, 2007-2009 Suzuki XL-7, and 2004-2006 Buick Rendezvous.

Common Repair Uses

• Oil found in spark plug wells
• Valve cover sealing service during ignition maintenance
• Misfire concerns caused by contaminated plug tubes
• Preventing seepage around worn tube seals
• Restoring proper sealing on GM V6 applications

Installation Notes and Tips

Inspect the valve cover and spark plug tubes before installation and clean all sealing surfaces thoroughly. Replace damaged or hardened seals during valve cover service, and verify the tube openings are free of debris before reassembly. Confirm application details by year, make, and model before ordering; GS33763 is listed for multiple GM, Cadillac, Buick, Chevrolet, GMC, Pontiac, Saturn, Saab, and Suzuki vehicles.

Quality Assurance

Mahle sealing products are used by OEMs and technicians worldwide, and this spark plug tube seal kit follows that same OE-focused approach to fit and material selection. Part number GS33763 is built as a molded rubber sealing solution for the listed applications.