91310-PC6-004 Honda Marine O-Ring 16x2.7mm | Genuine OEM Outboard Part
91310-PC6-004 Honda Marine O-Ring 16x2.7mm | Genuine OEM Outboard Part
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🔧 Product Description
Genuine Honda Oil Pump / Oil Case O-Ring 15.5 × 2.7 mm - Part Number: 91310-PC6-004
A genuine Honda O-ring with an official nominal size of approximately 15.5 × 2.7 mm. It is used in the oil-pump/oil-case assembly on the later BF75D, BF80A, BF90D and BF100A inline-four outboard platform.
⚙️ Key Features
- Genuine Honda oil-system sealing O-ring
- Official nominal dimensions: approximately 15.5 × 2.7 mm
- Oil- and heat-resistant elastomer
- Correct material and cross-section for the oil-pump/oil-case passage
🚤 Compatibility
Commonly used on
- Honda BF75D
- Honda BF80A
- Honda BF90D
- Honda BF100A
- Only oil-pump/oil-case revisions whose diagram specifies 91310-PC6-004
Typically suits
- HP Range: 75-100 HP
- Engine Type: Inline four-cylinder EFI four-stroke outboard
- Year Range: 2007 onward, model dependent
- Serial / Identification Range: Confirm the complete frame serial, oil-case diagram and official 15.5 × 2.7 mm specification.
🔌 Function
Seals the oil-pump or oil-case passage to maintain lubrication pressure and prevent oil leakage.
⚠️ Common Signs of Failure
- Oil seepage at the oil-pump or oil-case joint
- Low or unstable oil pressure caused by internal leakage
- O-ring is flattened, hardened, swollen or cut
- Seal has been disturbed during oil-pump service
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 91310-PC6-004 - current verified Honda service reference
- No later direct Honda supersession confirmed
OEM / Related Numbers
- 91310-PC6-004
- 91310PC6004
Aftermarket / Verified Equivalents
- No verified direct aftermarket equivalent with confirmed Honda material specification
📦 Condition
- Genuine Honda Marine OEM part
- Brand new
- Supplied in genuine Honda or equivalent protective packaging
Shipping & Delivery
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
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?
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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