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- Ensure optimal performance with a B&M 4L80E Internal Wiring Harness
- Replacement internal wiring harness for GM 4L80E automatic transmissions (1993 and newer)
- Also serves as an update to 4L80E transmissions manufactured prior to 1993
- Weather-resistant construction ensures years of durable use
- Sold individually, each B&M 4L80E Wiring Harness is proudly made in the USA
- Your B&M 4L80E Wire Harness is backed by a 1-year limited warranty
Ensure your ride’s performing at its peak with a BM 4L80E Wire Harness. Sold individually, these weather-resistant harnesses are designed as direct replacements for GM 4L80E automatic transmissions (1993 and newer) or to upgrade 4L80E transmissions manufactured prior to 1993. 1-year limited warranty.