For 2003-2005 GMC C4500 Topkick Reference Sensor Replacement AP 57654KWXM 2004

Replacement AP Reference Sensor fits GMC C4500 Topkick 2003-2005 51QYCM

For 2003-2004 GMC C5500 Topkick Reference Sensor Replacement AP 42882XZZB

Reference Sensor For 2003-2005 GMC C4500 Topkick 2004 PW173FB

For 2006-2009 GMC C4500 Topkick Reference Sensor 84489KPRJ 2007 2008 6.6L V8

Replacement AP 12GZ68K Reference Sensor Fits 2003-2004 GMC C5500 Topkick

Replacement AP Reference Sensor fits GMC C7500 Topkick 1999-2000 56RNFD

Replacement AP Reference Sensor fits GMC C5500 Topkick 2003-2004 86RWDP