411 REFERENCE · Wikibooks
Astro and Safari Maintenance and Repair/Buying Parts
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Service Parts Identification
The "SERVICE PARTS IDENTIFICATION" is a sticker located either in the glove compartment or at the rear of the passenger door. It specifies the setup the car had when leaving the factory. It contains numerous three letter aphanumeric codes called RPO codes. To understand what they represent you can check here: RPO Codes.com