Upgrading your battery cables (the "Big 3" or "Big 7") improves cranking power, charging efficiency, and electrical reliability — especially on diesel trucks and vehicles running aftermarket electronics. Find your exact vehicle and generation below to see the matching kit.
Dodge / RAM Cummins Diesel
Ford Powerstroke Diesel
- 7.3L OBS (1990-1997)
- 7.3L (1999-2003)
- 6.0L (2003-2007)
- 6.4L (2008-2010)
- 6.7L (2011-2016)
- 6.7L (2017-2021)
Jeep
- Jeep CJ
- Cherokee SJ (1974-1983)
- Wrangler YJ (1986-1995)
- Comanche MJ (1987-1992)
- Cherokee XJ (1987-2001)
- Grand Cherokee ZJ (1993-1998)
- Grand Cherokee WJ (1999-2005)
- Liberty KJ (2002-2007)
- Commander XK (2005-2010)
- Grand Cherokee WK (2005-2010)
- Wrangler TJ / LJ (1997-2006)
- Wrangler JK (2007-2018)
- Wrangler JL (2018-2024)
- Gladiator JT (2020-2024)
Toyota
- 4Runner Gen 1 (1984-1989)
- 4Runner Gen 2 (1990-1995)
- 4Runner Gen 3 (1996-2002)
- 4Runner Gen 4 (2003-2009)
- 4Runner Gen 5 (2010-2024)
- Tacoma Gen 1 (1995-2004)
- Tacoma Gen 2 (2005-2015)
- Tacoma Gen 3 (2016-2021)
- Tundra Gen 1 (2000-2006)
- Tundra Gen 2 (2007-2022)
- Sequoia Gen 1 (2001-2007)
- FJ Cruiser (2007-2014)
- Land Cruiser FZJ80 (1993-1997)
Not sure which gauge you need?
Use code APEXPARTZ10 for 10% off your first upgrade kit.