Seller notes

BENCH TESTED PERFECT COMMUNICATION ECM/PCM For your LS/GM Gen 4 V8 Swap! This is a used, bench tested PCM with proven communication ready for your tune! Will work with all 4.8, 5.3, 6.0, 6.2 and 7.0 engines. Clean cases with minimal corrosion. Some minor marks typical of used parts. These cannot be programmed using factory GM equipment as GM no longer supports using used computers. You will receive one computer with GM service number 12633238 or 12633055. Please make sure this is the computer yo...

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