- DURON*-E heavy-duty engine oil (HDEO) for the API CJ-4 category (formerly known as PC-10) features enhanced soot-fighting capabilities.
- Improved wear protection, oil consumption and piston deposits
- Exceeds API CJ-4 specification for '07 EPA-compliant low-emission engines
- Available in DURON-E 15W-40, DURON-E XL synthetic blend 15W-40 and DURON-E synthetic 10W-40
- Completely back-serviceable