PRODUCT DETAILS
GENUINE engine oil filler cap complete with sealing O-ring for selected Tohatsu 4-stroke outboard engines.
Ideal for replacing a missing, damaged or worn oil filler cap or deteriorated seal.
Supplied as a complete 2-piece set, including the cap and its matching O-ring.
Fitment
Fits selected Tohatsu 4-stroke outboards:
2–3.5 HP
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2 HP – MFS2
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2.5 HP – MFS2.5
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3.5 HP – MFS3.5
8–9.8 HP
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8 HP – MFS8
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9.8 HP – MFS9.8
9.9–20 HP
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9.9 HP – MFS9.9
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15 HP – MFS15
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20 HP – MFS20
25–30 HP
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25 HP – MFS25
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30 HP – MFS30
Additional Applications
Also used on selected larger Tohatsu 4-stroke models:
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75 HP – MFS75
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90 HP – MFS90
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100 HP – MFS100
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115 HP – MFS115
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140 HP – MFS140
Important: Applications depend on the engine generation and serial number. Not every version uses this cap.
Replaces Tohatsu Part Numbers
Oil Filler Cap:
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3R0-71015-1
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3R0-71015-0 – Earlier reference, subject to model compatibility
Sealing O-Ring:
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3R0-07422-0
OEM part numbers are used for identification purposes only.
Product Details
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Engine oil filler cap with sealing O-ring
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Suitable for selected Tohatsu 4-stroke outboards
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Helps provide a secure seal at the engine oil filling point
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Replacement for missing or damaged oil filler caps
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Supplied complete with O-ring
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Easy replacement during servicing or maintenance
Package Includes
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1 × Oil Filler Cap – 3R0-71015-1
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1 × Sealing O-Ring – 3R0-07422-0
Total: 2 pieces.
Important Compatibility Information
Please check your original cap and engine details before ordering.
If the part looks the same as yours, this does not always mean it is correct for your outboard.
If unsure, contact SSI Marine with your engine model and serial number.
Why Buy From SSI Marine?
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Workshop-tested aftermarket & OEM-spec parts
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UK stock
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Same-day dispatch before 1 PM Monday–Friday
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Royal Mail Tracked 24
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Collection available from Leigh, Greater Manchester
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Technical support available
Buyer Responsibility
Please confirm compatibility with your exact engine model and serial number before purchase.
SHIPPING & DELIVERY
Delivery & Returns Policy
Delivery
Standard Delivery
- £6: 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.









