OE-spec
Specifications
| SKU | 3999669 |
Fitment
CUMMINS · 3999669
WIRING HARNESS P/N 3999669
The Cummins OEM Wiring Harness P/N 3999669 is designed mainly for Tier 3 5.9L ISB/QSB engines. This marine-grade SmartCraft v1.0 harness ensures reliable engine connectivity. Available in stock and ships the same day if ordered by 2pm ET.
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