Fitment： For 1999-2003 Chevrolet Silverado 1500 4.3, 4.8, 5.3, 6.0L V6 V8 For 1999-2003 Chevrolet Silverado 2500 6.0L, 5.3L V8 For 2001-2003 Chevrolet Silverado 1500 HD 6.0L, V8 For 2001-2003 Chevrolet Silverado 2500 HD 6.0L, 8.0L V8 For 2001-2003 Chevrolet Silverado 3500 6.0L, 8.0L V8 For 1999-2003 GMC Sierra 1500 4.3, 5.3, 4.8, 6.0L, V6 V8 For 1999-2003 GMC Sierra 2500 6.0, 5.3I v8 For 2001-2003 GMC Sierra 1500 HD 6.0I v8 For 2001-2003 GMC Sierra 2500 HD 6.0, 8I v8 For 2001-2003 GMC Sierra 3500 6.0, 8I v8.
