2004.5-2005 LLY ECM connectors

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Product details

Replacement ECM connectors for 2004.5-2005 LLY Duramax ECM's. We do not sell cheap aftermarket reproductions, these are genuine OEM Delphi parts.

Choose which connector you need to add the correct part to your order:

"C1" is the 56-pin BLUE connector (top)

"C2" is the 73-pin BLACK connector (middle)

"C3" is the 56-pin GRAY connector (bottom)

Please click the "Installation Guides" link on the top menu bar to download installation instructions in PDF format.

All BT DieselWorks-manufactured products are fully-warrantied for 1 year. Products from other manufacturers may or may not have specific warranties. See individual product descriptions for details. -------- All sales are final. Returns will be given as full price in store credit, or money refund plus 40% restocking fee.

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