OEM CertifiedFactory Sealed OEM
Key Diagram & Connector Pinout Callouts
PCM Breakout96-Pin Connector A
Main connector plugging directly into PCM engine computer
Injector Plugs6x USCAR
Quick-clip direct harness connection to cylinder 1-6 injectors
Coil-On-Plug Loom6x Coil Plugs
Ignition coil triggers with built-in rubber weatherproof seals
Primary OEM Part #FL3Z-12A581-K
Inventory Available 6 Ready to Ship
Ford F-150 3.5L EcoBoost Main Engine Bay Wiring Harness & Injector Loom
Manufacturer: Ford Motor Company OEM • SKU: HARN-FORD-FL3Z-12A581-K
Standard Dealership Market Price:$680.00
Direct Buy Now Price:$515.00
Save 24% ($165)
Quantity:
1
(Max 6 in batch) Same-day Dispatch
24-Month / Unlimited Mileage Warranty
OEM Interchanges & Cross Reference
Mechanics can cross-reference with these stamped casing and manufacturer numbers:
FL3Z-12A581-K (Primary)FL3Z12A581KFL3T-12A581-KBFL3Z-12A581-DFL3Z-12A581-E
Product Overview & Technical Description
Factory brand-new genuine OEM engine wiring harness loom for 2015-2020 Ford F-150 with 3.5L EcoBoost. Comes fully pre-loomed with flame-retardant braided nylon sleeving, factory retention push-clips, heat-reflective silicone shields near exhaust manifolds, and waterproof sealed automotive connectors for all sensors and actuators.
Key Engineering Features:
- OEM factory harness replaces brittle, rodent-chewed, or melted wiring looms
- Gold-plated terminal pins on all 5V reference sensor lines prevents erratic voltage spikes
- Pre-formed conduit angles drop right into factory mounting points on intake and valve covers
- Original FoMoCo barcode tag intact with factory pinout validation
Guaranteed Vehicle Fitment (2014–2026)
Supported MakesFord, Lincoln
Model Years Covered2015 – 2020
Eligible ModelsF-150 • Expedition • Navigator
Engine Platform3.5L V6 EcoBoost
Hardware & Electrical Specs
Operating Voltage:12V and 5V regulated sensor circuits
Pin Terminal Count:96 Pins
Terminal Plating:Gold sensor connectors & tin power lines
Protocols / Bus:Twisted shielded CAN pairs to prevent ignition EMI interference
Wire GaugeTXL cross-linked polyethylene insulated automotive wire (16-22 AWG)
Temp Rating-40°F to 300°F continuous heat exposure rating
ConnectorsDelphi, Yazaki & TE Connectivity OEM automotive sealed plugs
Boxed Weight7.2 lbs
Box Dimensions18.0 x 14.0 x 8.0 in
VIN Flashing / ProgrammingNot Required (Direct Plug-in)