• 859318T2 Mercruiser Weather 10 Pin | Genuine Used Part
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859318T2 Mercruiser Weather 10 Pin | Genuine Used Part

859318T2 Mercruiser Weather 10 Pin | Genuine Used Part

$15.00 AUD
$15.00 AUD
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Low stock: 3 left

✓ Authorised Volvo Penta Dealer · Genuine used marine parts · Ships Australia-wide

🔧 Product Description

Genuine Mercury / MerCruiser SmartCraft 10-Pin Weather Cap - Part Number: 859318T2

A genuine Mercury / MerCruiser 10-pin weather cap used to seal unused SmartCraft or accessory harness connectors. This cap protects open 10-pin connectors from water, corrosion and contamination.

⚙️ Key Features

  • Genuine Mercury / MerCruiser weather cap
  • Correct OEM part number 859318T2
  • 10-pin SmartCraft / accessory weather cap
  • Protects unused harness connectors
  • Must be matched by 10-pin connector shape and keyway

🚤 Compatibility

Commonly used on

  • Mercury / MerCruiser SmartCraft 10-pin harness layouts
  • Unused accessory, theft-deterrent or network connector positions

Typically suits

  • Mercury / MerCruiser SmartCraft 10-pin rigging systems
  • Mercury 1100 / 1350 accessory theft deterrent systems, 2011 and up
  • Mercury 1350 / 1550 accessory theft deterrent systems, 2011 and up
  • Zeus 2.2 / 2.5 SmartCraft rigging applications
  • SmartCraft harness layouts requiring a sealed 10-pin unused connector
  • HP Range: Not horsepower-specific
  • Engine Type: Mercury / MerCruiser SmartCraft electrical rigging
  • Year Range: Rigging-system controlled
  • Serial Note: Confirm by connector shape, pin count and harness diagram before installation.

🔌 Function

The weather cap seals an unused 10-pin connector so moisture and debris cannot enter the terminals and cause corrosion or network faults.

⚠️ Common Signs of Failure

  • Missing connector cap
  • Green corrosion in unused 10-pin plug
  • SmartCraft communication faults after water exposure
  • Cap no longer seals tightly
  • Broken retaining strap or locking tab
  • Intermittent network faults from contaminated connector
  • Water found inside connector body

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 859318T2 to 8M0210754

OEM / Related Numbers

  • 859318T2
  • 8M0210754
  • 859318-T2
  • Weather cap, 10 pin
  • SmartCraft 10-pin cap

Aftermarket / Verified Equivalents

  • No aftermarket equivalent

📦 Condition

  • Genuine used part
  • Removed from running engine where applicable
  • In good working condition unless otherwise stated

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in the condition you received it for a refund or exchange. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

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