Skip to main content
Home » Jeep Engine & Fuel System » Engine Gaskets & Hardware » Engine Hardware » Crown Automotive Expansion Plug

Crown Automotive 4556020AB Expansion Plug for 97-25 Jeep Vehicles

Quadratec Part #: 51001-9009
Crown Automotive Part #: 4556020AB
Details
For the Following Applications:
2020-2020 JT Gladiator with 3.6L Engine
2018-2019 JL Wrangler with 3.6L Engine
2012-2018 JK Wrangler with 3.6L Engine
2014-2018 JK Wrangler with 3.0L Gasoline Engine
2007-2011 JK Wrangler with 3.8L Engine
2003-2006 TJ Wrangler with 2.4L Engine
2011-2019 WK Grand Cherokee with 3.6L Engine
2014-2019 WK Grand Cherokee with 3.0L Gasoline Engine
2014-2019 WK Grand Cherokee with 5.7L Engine
2013-2019 WK Grand Cherokee with 6.4L Engine
2018-2019 WK Grand Cherokee with 6.2L Engine
2005-2010 WK Grand Cherokee with 3.7L Engine
2005-2009 WK Grand Cherokee with 4.7L Engine
2005-2008 WK Grand Cherokee with 5.7L Engine
2006-2010 WK Grand Cherokee with 6.1L Engine
1999-2004 WJ Grand Cherokee with 4.7L Engine
1998-1998 ZJ Grand Cherokee with 5.9L Engine
1993-1998 ZJ Grand Cherokee with 5.2L Engine
2006-2010 XK Commander with 3.7L Engine
2006-2009 XK Commander with 4.7L Engine
2006-2008 XK Commander with 5.7L Engine
2014-2019 KL Cherokee with 3.2L Engine
2008-2012 KK Liberty with 3.7L Engine
2002-2004 KJ Liberty with 2.4L Engine
2002-2007 KJ Liberty with 3.7L Engine
Installation Notes
Installation Difficulty:
Skill Level 1 IconLevel 1Beginner
Installation Time: Less than an hour
Parts Included
1 Plug
Warranty
1 Year Limited Warranty
  • Engine Size: 2.4L I-4, 3.0L CRD V-6, 3.6L Pentastar V-6, 3.8L I-6, 4.7L V-8, 5.2L V-8, 5.7L V8, 5.9L AMC 360ci V-8, 6.1L V-8 Hemi, 6.2 L V-8, 6.4L V-8 Hemi
  • Engine Fuel: Gasoline
  • Shipping Weight: 1lb
  • Shipping Dimensions: 5in x 3in x 1in (L x W x H)
  • Jeep Cherokee (KL)

  • 2021 Jeep Cherokee (KL)
  • 2020 Jeep Cherokee (KL)
  • 2019 Jeep Cherokee (KL)
  • 2018 Jeep Cherokee (KL)
  • 2017 Jeep Cherokee (KL)
  • 2016 Jeep Cherokee (KL)
  • 2015 Jeep Cherokee (KL)
  • 2014 Jeep Cherokee (KL)
  • Jeep Commander (XK)

  • 2010 Jeep Commander (XK)
  • 2009 Jeep Commander (XK)
  • 2008 Jeep Commander (XK)
  • 2007 Jeep Commander (XK)
  • 2006 Jeep Commander (XK)
  • Jeep Gladiator (JT)

  • 2025 Jeep Gladiator (JT)
  • 2024 Jeep Gladiator (JT)
  • 2023 Jeep Gladiator (JT)
  • 2022 Jeep Gladiator (JT)
  • 2021 Jeep Gladiator (JT)
  • 2020 Jeep Gladiator (JT)
  • Jeep Grand Cherokee (WJ)

  • 2004 Jeep Grand Cherokee (WJ)
  • 2003 Jeep Grand Cherokee (WJ)
  • 2002 Jeep Grand Cherokee (WJ)
  • 2001 Jeep Grand Cherokee (WJ)
  • 2000 Jeep Grand Cherokee (WJ)
  • 1999 Jeep Grand Cherokee (WJ)
  • Jeep Grand Cherokee (WK)

  • 2010 Jeep Grand Cherokee (WK)
  • 2009 Jeep Grand Cherokee (WK)
  • 2008 Jeep Grand Cherokee (WK)
  • 2007 Jeep Grand Cherokee (WK)
  • 2006 Jeep Grand Cherokee (WK)
  • 2005 Jeep Grand Cherokee (WK)
  • Jeep Grand Cherokee (WK2)

  • 2021 Jeep Grand Cherokee (WK2)
  • 2020 Jeep Grand Cherokee (WK2)
  • 2019 Jeep Grand Cherokee (WK2)
  • 2018 Jeep Grand Cherokee (WK2)
  • 2017 Jeep Grand Cherokee (WK2)
  • 2016 Jeep Grand Cherokee (WK2)
  • 2015 Jeep Grand Cherokee (WK2)
  • 2014 Jeep Grand Cherokee (WK2)
  • 2013 Jeep Grand Cherokee (WK2)
  • 2012 Jeep Grand Cherokee (WK2)
  • 2011 Jeep Grand Cherokee (WK2)
  • Jeep Grand Cherokee (ZJ)

  • 1998 Jeep Grand Cherokee (ZJ)
  • 1997 Jeep Grand Cherokee (ZJ)
  • 1996 Jeep Grand Cherokee (ZJ)
  • 1995 Jeep Grand Cherokee (ZJ)
  • 1994 Jeep Grand Cherokee (ZJ)
  • 1993 Jeep Grand Cherokee (ZJ)
  • Jeep Liberty (KJ)

  • 2007 Jeep Liberty (KJ)
  • 2006 Jeep Liberty (KJ)
  • 2005 Jeep Liberty (KJ)
  • 2004 Jeep Liberty (KJ)
  • 2003 Jeep Liberty (KJ)
  • 2002 Jeep Liberty (KJ)
  • Jeep Liberty (KK)

  • 2012 Jeep Liberty (KK)
  • 2011 Jeep Liberty (KK)
  • 2010 Jeep Liberty (KK)
  • 2009 Jeep Liberty (KK)
  • 2008 Jeep Liberty (KK)
  • Jeep Wrangler (TJ)

  • 2006 Jeep Wrangler (TJ)
  • 2005 Jeep Wrangler (TJ)
  • 2004 Jeep Wrangler (TJ)
  • 2003 Jeep Wrangler (TJ)
  • 2002 Jeep Wrangler (TJ)
  • 2001 Jeep Wrangler (TJ)
  • 2000 Jeep Wrangler (TJ)
  • 1999 Jeep Wrangler (TJ)
  • 1998 Jeep Wrangler (TJ)
  • 1997 Jeep Wrangler (TJ)
  • Jeep Wrangler 2-Door (JK)

  • 2018 Jeep Wrangler 2-Door (JK)
  • 2017 Jeep Wrangler 2-Door (JK)
  • 2016 Jeep Wrangler 2-Door (JK)
  • 2015 Jeep Wrangler 2-Door (JK)
  • 2014 Jeep Wrangler 2-Door (JK)
  • 2013 Jeep Wrangler 2-Door (JK)
  • 2012 Jeep Wrangler 2-Door (JK)
  • 2011 Jeep Wrangler 2-Door (JK)
  • 2010 Jeep Wrangler 2-Door (JK)
  • 2009 Jeep Wrangler 2-Door (JK)
  • 2008 Jeep Wrangler 2-Door (JK)
  • 2007 Jeep Wrangler 2-Door (JK)
  • Jeep Wrangler 2-Door (JL)

  • 2025 Jeep Wrangler 2-Door (JL)
  • 2024 Jeep Wrangler 2-Door (JL)
  • 2023 Jeep Wrangler 2-Door (JL)
  • 2022 Jeep Wrangler 2-Door (JL)
  • 2021 Jeep Wrangler 2-Door (JL)
  • 2020 Jeep Wrangler 2-Door (JL)
  • 2019 Jeep Wrangler 2-Door (JL)
  • 2018 Jeep Wrangler 2-Door (JL)
  • Jeep Wrangler Unlimited (LJ)

  • 2006 Jeep Wrangler Unlimited (LJ)
  • 2005 Jeep Wrangler Unlimited (LJ)
  • 2004 Jeep Wrangler Unlimited (LJ)
  • Jeep Wrangler Unlimited 4-Door (JK)

  • 2018 Jeep Wrangler Unlimited 4-Door (JK)
  • 2017 Jeep Wrangler Unlimited 4-Door (JK)
  • 2016 Jeep Wrangler Unlimited 4-Door (JK)
  • 2015 Jeep Wrangler Unlimited 4-Door (JK)
  • 2014 Jeep Wrangler Unlimited 4-Door (JK)
  • 2013 Jeep Wrangler Unlimited 4-Door (JK)
  • 2012 Jeep Wrangler Unlimited 4-Door (JK)
  • 2011 Jeep Wrangler Unlimited 4-Door (JK)
  • 2010 Jeep Wrangler Unlimited 4-Door (JK)
  • 2009 Jeep Wrangler Unlimited 4-Door (JK)
  • 2008 Jeep Wrangler Unlimited 4-Door (JK)
  • 2007 Jeep Wrangler Unlimited 4-Door (JK)
  • Jeep Wrangler Unlimited 4-Door (JL)

  • 2025 Jeep Wrangler Unlimited 4-Door (JL)
  • 2024 Jeep Wrangler Unlimited 4-Door (JL)
  • 2023 Jeep Wrangler Unlimited 4-Door (JL)
  • 2022 Jeep Wrangler Unlimited 4-Door (JL)
  • 2021 Jeep Wrangler Unlimited 4-Door (JL)
  • 2020 Jeep Wrangler Unlimited 4-Door (JL)
  • 2019 Jeep Wrangler Unlimited 4-Door (JL)
  • 2018 Jeep Wrangler Unlimited 4-Door (JL)
Share Your Thoughts
Review Summary
Shared Media
Questions

Customer Submitted Photos

Crown Automotive Expansion Plug Reviews