IMPALA 14 VIN 1 (4th digit, New Style), 3.6L (VIN 3, 8th digit, opt LFX), California emissions, opt NU1. EQUINOX 13-14 3.6L (VIN 3, 8th digit, opt LFX). IMPALA 14 VIN 1 (4th digit, New Style), 3.6L (VIN 3, 8th digit, opt LFX), California emissions, opt NU5.
