Engine Compatibility:
This Ignition Coil (IC) Sub Harness is for use with many 4.8L, 5.3L & 6.0L engines from 2003-07:

• Direct replacement to GM# 89017477 (discontinued).
• Direct replacement to GM# 10457732 (replaced by 89017477).
• Popular heat sink "truck" style "D585" coils.

This harness design was based on an original GM coil bracket harness and features integrated Original Equipment attaching clips on both ends for installation into the coil bracket attaching holes.

This Ignition Coil (IC) Sub Harness adapter harness meets or exceeds the quality within Original Equipment (OE) harnesses:

• Assembled with the same materials found on production engine harnesses.
• Terminals are crimped with production applicators and/or Rennsteig hand tools to exceed pull test requirements.
• Assembled in the USA