O'Reilly has Mobil Delvac 15W40 for $9.99 a gallon.
stroking 7.3 · Power Stroker Joined Jul 16, 2010 · 1,030 Posts Discussion Starter • #1 • Aug 18, 2011 O'Reilly has Mobil Delvac 15W40 for $9.99 a gallon.
stroking 7.3 · Power Stroker Joined Jul 16, 2010 · 1,030 Posts Discussion Starter • #2 • Nov 24, 2011 Oil on Sale O'Reilly's has Castrol Triction 15w40 Diesel Motor Oil on sale for $12.99 a gal