• 91301-ZW4-003 Honda Marine O-Ring 6.9x1.45mm | Genuine OEM Outboard Part
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91301-ZW4-003 Honda Marine O-Ring 6.9x1.45mm | Genuine OEM Outboard Part

91301-ZW4-003 Honda Marine O-Ring 6.9x1.45mm | Genuine OEM Outboard Part

$1.76 AUD
$1.76 AUD
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✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide

🔧 Product Description

Genuine Honda Gearcase Drain / Vent Screw O-Ring 6.9 × 1.45 mm - Part Number: 91301-ZW4-003

A genuine Honda 6.9 × 1.45 mm O-ring used on specified lower-unit drain and vent screws. It seals the screw against gear-lubricant leakage and water entry and should be renewed whenever the screw is removed.

⚙️ Key Features

  • Genuine Honda gearcase screw O-ring
  • Nominal dimensions: 6.9 × 1.45 mm
  • Oil-, water- and compression-resistant elastomer
  • Single-use service seal for gear-oil changes

🚤 Compatibility

Commonly used on

  • Honda BF8D/BF9.9D/BF15D/BF20D
  • Honda BF25D/BF30D/BF40D/BF50D/BF60A/BFP60A
  • Honda BF75D/BF90D/BF100A
  • Honda BF115A/BF115D/BF130A/BF135A/BF150A
  • Honda BF175A/BF200A/BF225A/BF250A and later D-series gearcases where the drain/vent screw diagram lists 91301-ZW4-003

Typically suits

  • HP Range: 8-250 HP across verified gearcase applications
  • Engine Type: Honda outboard lower-unit drain/vent screw
  • Year Range: Principally 2005 onward, model dependent
  • Serial / Identification Range: Fitment is controlled by the drain/vent screw design. Confirm the gearcase diagram and 6.9 × 1.45 mm O-ring specification.

🔌 Function

Seals the drain or vent screw so gear lubricant remains contained and water cannot enter.

⚠️ Common Signs of Failure

  • Gear oil seeps from the screw
  • Milky lower-unit lubricant
  • O-ring is cut, flattened, swollen or missing
  • Drain or vent screw has been removed for servicing

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 91301-ZW4-003 - current verified Honda service reference
  • No later direct Honda supersession confirmed

OEM / Related Numbers

  • 91301-ZW4-003
  • 91301ZW4003

Aftermarket / Verified Equivalents

  • FridayParts-compatible replacement O-ring sets reference 91301-ZW4-003
  • Material and exact dimensions must be confirmed before substitution

📦 Condition

  • Genuine Honda Marine OEM part
  • Brand new
  • Supplied in genuine Honda or equivalent protective packaging

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 new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. 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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