December 22, 2014

NEW! GM 4L80/85-E Output Speed Sensor Reluctor Ring

GM 4L80/85-E units commonly suffer damage to the output speed sensor reluctor ring such as cracks, chips or breaks, which can trigger failsafe mode and speed sensor codes. Sonnax output speed sensor reluctor ring 34880-01 is more durable than OE, allowing salvage of the output carrier assembly while restoring normal speed sensor operation. 

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