Includes (18) 10.9 Class (metric equivalent to Grade 8) hardened yellow zinc plated flange bolts. Replaces Mopar 6504810AA. Complete engine oil pan bolt set for the 3.7L V6 or 4.7L V8. NOTE: 3.7L uses 17 bolts (you will have 1 extra), 4.7L uses all 18 bolts. Compatible with Jeep 3.7L: 2005-2010 Grand Cherokee WK, 2006-2010 Commander XK, 2002-2012 Liberty KJ KK. Compatible with Jeep 4.7L: 1999-2010 Grand Cherokee WJ WK, 2006-2010 Commander XK. Compatible with Dodge 3.7L: 2000-2011 Dakota, 2000-2009 Durango, 2007-2011 Nitro. Compatible with Dodge 4.7L: 2000-2011 Dakota, 2000-2009 Durango. Compatible with Ram 3.7L and 4.7L: 2002-2013. Compatible with Chrysler Aspen 4.7L: 2007-2009. Sold by a small business in the US and we actually use these parts ourselves.