【 Universal Compatibility】Designed for GM Gen III/IV engines, including LS/Vortec/LT series (LS1, LS3, LQ4, LQ9, LT1, LT4, etc.) and modern EcoTec3 variants (L83, L8B, L8T). Fits 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L engines. Ensures seamless integration with factory oil passages.