Engine Component Description

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying 4.8/5.3/6.0 Liter V 8 Engines

Courtesy of GENERAL MOTORS CORP.

The 4.8/5.3/6.0 Liter V 8 engines are identified as RPO LR4 VIN V (4.8), RPO LM7 VIN T (5.3), RPO L59 VIN Z (5.3), RPO LQ4 VIN U (6.0), and RPO LQ9 VIN N (6.0).