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474-9550 is an ignition boat harness for 50 HP 4cyl electric start Mercury/Mariner 1967 models with Serial # 2116318 thru 2305100 and 1970-79 4cyl electric star models with Serial # 2858814 thru 5531629. Helps restore reliable operation on compatible mari
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Part #: 474-9550
Mercury50 HPBoat harnessWeight: 3 lb
4.0 / 5  (33 votes)
474-9550 is an ignition boat harness for 50 HP 4cyl electric start Mercury/Mariner 1967 models with Serial # 2116318 thru 2305100 and 1970-79 4cyl electric star models with Serial # 2858814 thru 5531629. Helps restore reliable operation on compatible mari

Notes:

20' harness length and includes 6' battery lead.

List Price: $362.69
Your Price: $330.05
Normally In Stock

In Stock items ship same day if ordered before 3PM CST (excluding weekends and holidays)

Replaces OEM#'s

84-822253T20

Product Details

Designed for marine rigging applications, this boat harness helps provide stable electrical-system connectivity between the outboard engine, remote controls, and dash instrumentation.

OEM-style connector layouts and matched wire colors help support plug-and-play style integration with compatible engine harness assemblies.

Features

  • Color-coded marine-grade wiring
  • Supports remote control and gauge integration
  • Marine-grade insulated conductors
  • Helps simplify installation and wiring identification

Common Symptoms of a Failing Boat Harness

  • Ignition-switch or accessory wiring issues
  • Electrical-system connection failures
  • Intermittent gauge or control-box operation
  • Unstable engine-to-control-box electrical connectivity

Need Fitment Help?

Tell us your brand, horsepower, and part number. We can help verify fitment before you order.

Support PDF files appear on this page when available.