Redline Oil RED21424 15W40 Diesel Oil Case/12

Redline Oil RED21424 15W40 Diesel Oil Case/12 is listed by Motorstate as a Motor Oil for catalog matching by brand, part number, and product name. Use this source-backed listing when comparing Redline Oil components in the Motor Oil category. The manufacturer part reference is 21404, while the Motorstate part number is RED21424. Catalog description context: Motor Oil - Diesel Motor Oil - 15W40 - Synthetic - 1 qt Bottle - Diesel Engines - Set of 12. No vehicle compatibility is stated here unless it is present in separate fitment data.