{"nhtsa_id":10012161,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-02-16","date":"2005-09-01","document_id":"030310006D","mfr_campaign":null,"replaces":"030310006E","component":"TIRES","mfr_system":null,"summary":"20 INCH WHEELS AND TIRES AVAILABLE THROUGH GMSPO. *EH *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10012161","components":[{"id":"tires","name":"Tires","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO","year_from":1999,"year_to":2006,"match":"exact","vehicle_ids":["1999_chevrolet_silverado","2000_chevrolet_silverado","2001_chevrolet_silverado","2002_chevrolet_silverado","2003_chevrolet_silverado","2004_chevrolet_silverado","2005_chevrolet_silverado","2006_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_gmc_sierra","2006_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2004,"year_to":2004,"match":"base","vehicle_ids":["2004_gmc_sierra"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}