Spark Plug Wire Support – GM (12555948)

This Spark Plug Wire Support (12555948) from GM Genuine Parts replaces the original part on the same mounting points and connector. It matches the conductor size the circuit was designed around. Catalogue application notes: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors. Check the part number stamped or moulded on the original against 12555948 — a number that looks close can belong to a different circuit. GM Genuine Parts are the components installed during production or validated by General Motors for GM vehicles. Ships from our US warehouse.