The all-new ECOGARD® Synthetic+ S11878 is a must-stock spin-on oil filter designed for use when servicing popular 2020 heavy-duty GM diesel trucks. The S11878 is a direct replacement for OE part number 12684038.

The all-new ECOGARD® Synthetic+ S11878 is a must-stock spin-on oil filter designed for use when servicing popular 2020 heavy-duty GM diesel trucks. The S11878 is a direct replacement for OE part number 12684038.
A required-to-stock, spin-on oil filter, for select 2019 and newer General Motors vehicles. What’s the difference between the S11642 and the X2222/S2222? Although they look similar and have the same thread, the S11642 is not interchangeable with the X2222 or S2222. The ECOGARD S11642 was uniquely designed to fit and function as a replacement for…