05 - 06 GM ENGINE CONTROL MODULE COMPUTER E40 ECM PCM ECU 12604791 / 12596679

05 - 06 GM ENGINE CONTROL MODULE COMPUTER E40 ECM PCM ECU 12603390 / 12596679

✅ 05-06 Trailblazer Envoy 5.3 6.0 V8 E40 Engine Control Module ECM ECU 12606493

✅ 05 - 06 GM Engine Computer Control Module ECM PCM ECU E40 12596679 OEM

06 CHEVROLET TRAILBLAZER EXT "W/CONNECTORS" ECU ECM COMPUTER 12596679

06 Chevrolet Trailblazer SS 6.0l ECU 12596679 ECM PCM Engine Control Module Awd

✅ VIN programmed SERV 12597521 Engine Computer Module PCM ECM ECU GM

05 06 Chevy Trailblazer Envoy 5.3 Engine Computer ECU ECM PCM 12596679