Chevy GMC 1998-2000 OBS GMT400 5.7 Vortec 4L60E ECM PCM 16263494

88-95 Chevy GMC OBS GMT400 ECM 5.7 / 350 TBI Manual Transmission

Chevy GMC 1998-2000 OBS GMT400 5.7 Vortec 4L60E ECM PCM 16263494

1992 Chevy GMC OBS GMT400 ECM 4.3 V6 5 Speed PCM 16144288

Chevy GMC 1998-2000 OBS GMT400 5.7 Vortec 4L60E ECM PCM 16250279

Chevy GMC 1998-2000 OBS GMT400 5.7 Vortec 4L60E ECM PCM 09355699

Chevy GMC 1998-2000 OBS GMT400 5.7 Vortec 4L60E ECM PCM 16263494