Fel-Pro 71866 Engine Oil Drain Plug Gasket

Fel-Pro 71866 Oil Drain Plug Gasket

Fel-Pro 71866 is an aluminum engine oil drain plug gasket built for real-world repair conditions where sealing surfaces are not always perfect. It is shaped as an oval premium gasket with a 14.0 mm inside diameter, 20.0 mm outside diameter, and 2.1 mm thickness for a precise drain plug seal.

Compatible with a wide range of Audi, Volkswagen, and Porsche applications, including Audi A4, A6 Quattro, Q5, S4, and Volkswagen Jetta, Tiguan, and Touareg service work. The Fel-Pro 71866 part number is also a direct reference for technicians looking up the correct engine oil drain plug gasket by application.

Key Features

• Aluminum construction for drain plug sealing applications
• Premium-grade gasket for service and repair use
• Oval shape with 14.0 mm inside diameter and 20.0 mm outside diameter
• 2.1 mm thickness for proper crush and sealing performance
• Engine oil drain plug gasket for Audi, Volkswagen, and Porsche maintenance
• Fel-Pro 71866 cross-reference: N0138157

Detailed Description

Fel-Pro 71866 is an engine oil drain plug gasket engineered for vehicles that demand a reliable seal during oil service. Fel-Pro gaskets are developed for the repair environment and use proprietary materials to address imperfect sealing surfaces, helping maintain a dependable seal at the drain plug. This makes the Fel-Pro 71866 a practical choice for routine maintenance on models such as Audi A4, A6 Quattro, Q7, Q5, S4, and Volkswagen Jetta, Tiguan, CC, and Touareg.

Use this gasket when replacing the drain plug seal on supported Audi, Volkswagen, and Porsche vehicles from 2006-2024. The Fel-Pro 71866 part number is commonly searched by technicians and DIY owners who need an exact-fit oil drain plug gasket for service intervals and leak repair.

What It Helps Fix

• Oil seepage at the drain plug after an oil change
• Drips caused by a flattened or worn drain plug gasket
• Leaks from imperfect sealing surfaces at the oil pan drain point
• Recurring service leaks on Audi, Volkswagen, and Porsche oil drains
• Improper sealing after drain plug removal and reinstallation

Installation Notes and Tips

Replace the drain plug gasket whenever the oil is drained and the plug is removed. Clean the drain plug and mating surface before installation, and verify the gasket size and shape match the application before tightening. For fitment research, this part is used on vehicles such as Fits 2006-2011 Audi A6 Quattro, Fits 2012-2018 Audi A7 Quattro, Fits 2012-2017 Volkswagen Tiguan, and Fits 2013-2018 Audi Q3 Quattro.

• Fits 2022-2024 Audi S3, N/A
• Fits 2022-2024 Volkswagen Jetta, N/A
• Fits 2016-2018 Volkswagen Jetta, N/A
• Fits 2013 Volkswagen Jetta, N/A
• Fits 2022-2024 Volkswagen Taos, N/A
• Fits 2019-2021 Volkswagen Arteon, N/A
• Fits 2017-2019 Audi Q7, N/A
• Fits 2007-2015 Audi Q7, N/A
• Fits 2013-2018 Audi A6 Quattro, N/A
• Fits 2006-2011 Audi A6 Quattro, N/A
• Fits 2012-2018 Audi A7 Quattro, N/A
• Fits 2007-2018 Audi A8 Quattro, N/A
• Fits 2015-2018 Audi Q3, N/A
• Fits 2015-2018 Audi Q3 Quattro, N/A
• Fits 2011-2018 Porsche Cayenne, N/A
• Fits 2017-2018 Volkswagen Tiguan Limited, N/A
• Fits 2012-2017 Audi A5 Quattro, N/A
• Fits 2008-2010 Audi A5 Quattro, N/A
• Fits 2009-2017 Audi Q5, N/A
• Fits 2008-2017 Audi S5, N/A
• Fits 2014-2017 Audi SQ5, N/A
• Fits 2013-2017 Volkswagen CC, N/A
• Fits 2012-2017 Volkswagen Tiguan, N/A
• Fits 2012-2016 Audi A4, N/A
• Fits 2006-2008 Audi A4, N/A
• Fits 2012-2016 Audi A4 Quattro, N/A
• Fits 2006-2009 Audi A4 Quattro, N/A
• Fits 2013-2016 Audi allroad, N/A
• Fits 2010-2016 Audi S4, N/A
• Fits 2013-2016 Audi S6, N/A
• Fits 2007-2011 Audi S6, N/A
• Fits 2013-2016 Audi S7, N/A
• Fits 2013-2016 Audi S8, N/A
• Fits 2007-2009 Audi S8, N/A
• Fits 2012-2016 Porsche Panamera, N/A
• Fits 2013-2016 Volkswagen Eos, N/A
• Fits 2007-2016 Volkswagen Touareg, N/A
• Fits 2006-2015 Audi A6, N/A
• Fits 2013-2015 Audi RS5, N/A
• Fits 2012-2014 Audi A5, N/A
• Fits 2013-2014 Audi TT Quattro, N/A
• Fits 2013-2014 Volkswagen GTI, N/A
• Fits 2007-2008 Audi RS4, N/A

Quality Assurance

Fel-Pro designs sealing products for repair applications where consistent sealing matters, using materials and construction intended to handle imperfect mating surfaces. Fel-Pro 71866 is a premium engine oil drain plug gasket selected for dependable service on supported Audi, Volkswagen, and Porsche models.