PRODUCT DETAILS
Yamaha 13.5–20 HP Outboard Intake Manifold Gasket & Carburettor Insulator Kit – 4-Stroke
Marine-grade aftermarket intake manifold gaskets and carburettor insulator for selected Yamaha F13.5B, F15C and F20B 4-stroke outboards.
Available in two variants, allowing you to purchase the two manifold gaskets or the gaskets together with the carburettor insulator.
Yamaha Outboard Fitment – UK & European Models
| HP | Engine Model | Compatible Variants |
|---|---|---|
| 13.5 HP | F13.5B (6AF) | 7 + 7 / 7 + 7 + 8 |
| 15 HP | F15C (6AG) | 7 + 7 / 7 + 7 + 8 |
| 20 HP | F20B (6AH) | 7 + 7 / 7 + 7 + 8 |
Selected European manual-start, electric-start, short-shaft and long-shaft configurations are covered, subject to the engine model and serial number.
Important: These parts are for the specified engine generations, not every Yamaha 13.5, 15 or 20 HP outboard.
Choose Your Kit – Refer to Product Diagram
| Variant | Parts Supplied |
|---|---|
| 7 + 7 | 2 × 6AH-13646-00 – Intake manifold gaskets |
| 7 + 7 + 8 | 2 × 6AH-13646-00 + 1 × 6AH-14271-00 – Intake manifold gaskets and carburettor insulator |
Yamaha OEM Part Numbers
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Diagram No. 7: 6AH-13646-00 – Intake manifold gasket (2 supplied)
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Diagram No. 8: 6AH-14271-00 – Carburettor insulator (1 supplied with selected variant)
Please refer to the numbered parts diagram in the product images when choosing your kit.
Product Details
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Condition: New
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Quality: Marine-grade aftermarket
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Application: Selected Yamaha 13.5, 15 and 20 HP 4-stroke outboards
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Kit Options: Two combinations
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Main OEM Reference: 6AH-13646-00
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Additional OEM Reference: 6AH-14271-00
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Stock: UK stock, ready for dispatch
OEM part numbers are used for identification purposes only.
Important – Check Compatibility
These components are not interchangeable with the earlier 66M-series gaskets and insulators used on selected F9.9C and F15A engines.
Please confirm your Yamaha engine model, serial number and original part numbers before ordering.
If the parts look the same as yours, this does not always mean they are correct for your outboard.
If unsure, contact SSI Marine with your engine details before purchasing.
Why Buy From SSI Marine?
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Workshop-tested genuine and aftermarket outboard parts
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Over 10,000 items stocked in the UK
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Same-day dispatch for orders placed before 1 PM Monday–Friday
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Royal Mail Tracked 24 UK delivery
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Collection available from Leigh, Greater Manchester
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Technical support from experienced marine engineers
Buyer Responsibility: Please confirm compatibility before purchasing.
SHIPPING & DELIVERY
Delivery & Returns Policy
Delivery
Standard Delivery
- £7: Royal Mail Tracked 24 Service
- £3.99: Large Letter - Royal Mail 1st Class Post (Untracked)
We offer free delivery on all orders over £150 (excludes outboard engines).
Orders placed before 1:00 PM (Monday-Friday) are usually dispatched the same working day.
Most parcels are delivered within 24 hours, but please allow extra time for courier delays that may occur outside our control.
For outboard engines, please contact us for a delivery quote.
Important: Please ensure your shipping address is correct before completing checkout. SSI Marine is not responsible for parcels sent to an incorrect address provided by the buyer.
Tracking Your Order
Once your order has been dispatched, you will receive a tracking number via email (after 5 PM on the day of dispatch).
Tracking is available only for parcels sent via Royal Mail Tracked 24.
Large Letter orders are sent via Royal Mail 1st Class Post (untracked).
Returns
We accept returns of unused and undamaged items within 30 days of purchase.
Returned items must be in sellable condition and include the original packaging.
Please do not tape, label, or write directly on the product's original box.
Important: Do not return items in their original product boxes only, they must be placed inside a protective outer box or bag. Parcels returned like the example below will be subject to a 20% restocking fee.
Return shipping costs are the customer's responsibility.
Please include your order details and reason for return inside the parcel.
Refunds
Refunds are issued for the item purchase price only (shipping costs are non-refundable).
All refunds will be made using the same payment method as your original order.
Items returned in poor condition or without proper packaging may incur a 20% restocking fee.
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