6X better wear protection on critical engine parts than industry standards**
1.3X better sludge protection than industry standards*
3X Stronger against viscosity breakdown than leading full synthetic^
Protection for 10,000 miles between oil changes
Meets or exceeds the following specifications: API SP/SN PLUS/SN | ILSAC GF-6 | GM dexos1 Gen 3 | Meets Ford WSS-M2C947-B1 | Meets Ford WSS-M2C962-A1 |
model number: 15E725
Part Number: 15E725
Details: Castrol® GTX® Full Synthetic provides maximum protection to help fight the impact of severe conditions that can potentially shorten engine life. Castrol® GTX® Full Synthetic dramatically reduces engine wear. Plus it cleans away old sludge* and protects against new sludge formation better than required by the latest industry standard. *When tested in engines with high level of sludge
