Oil fill ports in many transverse V6 engines are low and tilted forward in the engine bay making is necessary to use a funnel to direct the oil while filling. This funnel features a mating thread pattern (M33x3.5) so it can be securely threaded into the fill port ensuring no spills.

The thread is common to many vehicles. Although some may not benefit from the elliptical opening of the funnel, some cross reference data I've found show the following vehicles probably use this oil fill port thread size:

For Honda 2018-2022 Accord 1.5L/2.0L l4 GAS DOHC Turbocharged

For Honda 2014-2022 Accord 2.0L l4 FULL HYBRID EV-GAS (FHEV) DOHC Naturally Aspirated
For Honda 2003-2017 Accord 2.4L l4 GAS DOHC Naturally Aspirated
For Honda 2005-2007 Accord 3.0L V6 FULL HYBRID EV-GAS (FHEV) SOHC Naturally Aspirated
For Honda 2003-2007/2008-2017 Accord 3.0L/3.5L V6 GAS SOHC Naturally Aspirated
For Honda 2010-2011 Accord Crosstour 3.5L V6 GAS SOHC Naturally Aspirated
For Honda 2018-2019 BR-V 1.5L l4 GAS SOHC Naturally Aspirated
For Honda 2010-2021 City 1.5L l4 GAS SOHC Naturally Aspirated
For Honda 2003-2010 Civic 1.3L l4 FULL HYBRID EV-GAS (FHEV) SOHC Naturally Aspirated
For Honda 2012-2015 Civic 1.5L l4 FULL HYBRID EV-GAS (FHEV) SOHC Naturally Aspirated
For Honda 2016-2022 Civic 1.5L l4 GAS DOHC Turbocharged
For Honda 2003-2005 Civic 1.7L l4 GAS/CNG SOHC Naturally Aspirated
For Honda 2006-2015 Civic 1.8L l4 GAS/CNG SOHC Naturally Aspirated
For Honda 2016-2022 Civic 2.0L l4 GAS DOHC Turbocharged/Naturally Aspirated
For Honda 2002-2011/2012-2015 Civic 2.0L/2.4L l4 GAS DOHC Naturally Aspirated
For Honda 2018-2021 Clarity 1.5L l4 PLUG-IN HYBRID EV-GAS (PHEV) DOHC Naturally Aspirated
For Honda 2012-2015 Crosstour 2.4L l4 GAS DOHC Naturally Aspirated / 3.5L V6 GAS SOHC Naturally Aspirated
For Honda 2017-2022 CR-V 1.5L l4 GAS DOHC Turbocharged
For Honda 2020-2022 CR-V 2.0L l4 FULL HYBRID EV-GAS (FHEV) DOHC Naturally Aspirated
For Honda 2002-2019 CR-V 2.4L l4 GAS DOHC Naturally Aspirated
For Honda 2011-2016 CR-Z 1.5L l4 FULL HYBRID EV-GAS (FHEV) SOHC Naturally Aspirated
For Honda 2003-2011 Element 2.4L l4 GAS DOHC Naturally Aspirated
For Honda 2006-2020 Fit 1.5L l4 GAS SOHC/DOHC Naturally Aspirated
For Honda 2016-2022 HR-V 1.8L l4 GAS SOHC Naturally Aspirated
For Honda 2000-2006 Insight 1.0L l3 FULL HYBRID EV-GAS (FHEV) SOHC Naturally Aspirated
For Honda 2010-2014 Insight 1.3L l4 FULL HYBRID EV-GAS (FHEV) SOHC Naturally Aspirated
For Honda 2019-2022 Insight 1.5L l4 FULL HYBRID EV-GAS (FHEV) DOHC Naturally Aspirated
For Honda 2001-2022 Odyssey 3.5L V6 GAS SOHC Naturally Aspirated
For Honda 1994-1995 Passport 3.2L V6 GAS SOHC Naturally Aspirated
For Honda 2019-2022 Passport 3.5L V6 GAS SOHC Naturally Aspirated
For Honda 2003-2022 Pilot 3.5L V6 GAS SOHC Naturally Aspirated
For Honda 2006-2022 Ridgeline 3.5L V6 GAS SOHC Naturally Aspirated
For Acura 2001-2003 CL 3.2L V6 GAS SOHC Naturally Aspirated
For Acura 2003-2005 EL 1.7L l4 GAS SOHC Naturally Aspirated
For Acura 2013-2015 ILX 1.5L l4 FULL HYBRID EV-GAS (FHEV) SOHC Naturally Aspirated / 2.0L l4 GAS SOHC Naturally Aspirated
For Acura 2013-2022 ILX 2.4L l4 GAS DOHC Naturally Aspirated
For Acura 2017-2020 MDX 3.0L V6 FULL HYBRID EV-GAS (FHEV) SOHC Naturally Aspirated
For Acura 2002-2022 MDX 3.5L V6 GAS SOHC Naturally Aspirated
For Acura 2007-2013 MDX 3.7L V6 GAS SOHC Naturally Aspirated
For Acura 2019-2022 RDX 2.0L l4 GAS DOHC Turbocharged
For Acura 2013-2018 RDX 3.5L V6 GAS SOHC Naturally Aspirated
For Acura 2000-2012 RL 3.5L/3.7L V6 GAS SOHC Naturally Aspirated
For Acura 2014-2020 RLX 3.5L V6 GAS/FULL HYBRID EV-GAS (FHEV) SOHC Naturally Aspirated
For Acura 2002-2006 RSX 2.0L l4 GAS DOHC Naturally Aspirated
For Acura 2000-2008 TL 3.2L V6 GAS SOHC Naturally Aspirated
For Acura 2007-2014 TL 3.5L V6 GAS SOHC Naturally Aspirated
For Acura 2009-2014 TL 3.7L V6 GAS SOHC Naturally Aspirated
For Acura 2021 TLX 2.0L l4 GAS DOHC Turbocharged
For Acura 2015-2020 TLX 2.4L l4 GAS DOHC Naturally Aspirated
For Acura 2004-2014 TSX 2.4L l4 GAS DOHC Naturally Aspirated
For Acura 2010-2014 TSX 3.5L V6 GAS SOHC Naturally Aspirated
For Acura 2010-2013 ZDX 3.7L V6 GAS SOHC Naturally Aspirated
For Suzuki 2005-2007 Aerio 2.3L l4 GAS DOHC Naturally Aspirated
For Suzuki 2009-2013 Grand Vitara 2.4L l4 GAS DOHC Naturally Aspirated
For Suzuki 2005-2008 Grand Vitara 2.5L/2.7L V6 GAS DOHC Naturally Aspirated
For Suzuki 2010-2013 Kizashi 2.4L l4 GAS DOHC Naturally Aspirated
For Suzuki 2007-2013 SX4 2.0L l4 GAS DOHC Naturally Aspirated
For Suzuki 2012 SX4 Crossover 2.0L l4 GAS DOHC Naturally Aspirated
For Suzuki 2004-2006 XL-7 2.7L V6 GAS DOHC Naturally Aspirated
For Isuzu 1990-1991 Impulse 1.6L l4 GAS DOHC Turbocharged / Naturally Aspirated
For Isuzu 1993-1995 Rodeo 3.2L V6 GAS SOHC Naturally Aspirated
For Isuzu 1992-1995 Trooper 3.2L V6 GAS SOHC/DOHC Naturally Aspirated
For BMW 2012 128i 3.5L 3.0L l6 GAS DOHC Naturally Aspirated
For Ford 1998 Escort 2.0L l4 GAS DOHC Naturally Aspirated