3C7-65021-1 Tohatsu Marine Impeller | Genuine OEM Outboard Part
3C7-65021-1 Tohatsu Marine Impeller | Genuine OEM Outboard Part
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🔧 Product Description
Genuine Tohatsu / Nissan 60-140 HP Water Pump Impeller - Part Number: 3C7-65021-1
A genuine Tohatsu/Nissan six-blade flexible water-pump impeller for selected 60-140 HP two-stroke and TLDI outboards. It is the primary OEM number behind marine catalogue reference 260388 and replaces related 3B7-series impeller revisions.
⚙️ Key Features
- Genuine Tohatsu/Nissan flexible impeller
- Six-blade neoprene/rubber pump element
- Approximate dimensions: 66-67.4 mm OD × 35-35.1 mm wide
- Approximate 20.2-20.3 mm hub bore
- Three-drive-lug hub
- Matched to the large 3C7/3B7 water-pump liner and guide-plate system
🚤 Compatibility
Commonly used on
- M60B and M60C
- M70B and M70C
- M80A and M90A
- MD70B, MD75C2, MD90B and MD90C2
- M115A/M115A2, M120A/M120A2 and M140A/M140A2
- Nissan-branded equivalents using the same OEM impeller reference
Typically suits
- HP Range: 60-140 HP
- Engine / System Type: Large two-stroke or TLDI outboard cooling-water pump
- Year Range: Approximately 1990s-2018, model dependent
- Serial / Identification Range: Confirm the engine model and original 3C7-65021-1/3B7-65021-2 number. Not all 60-90 HP Tohatsu engines use this large impeller.
🔌 Function
Rotates inside the pump liner to draw raw water through the lower-unit intake and supply cooling flow to the powerhead.
⚠️ Common Signs of Failure
- Weak tell-tale stream or overheating
- Cracked, hardened or missing vanes
- Impeller hub spins independently of the rubber body
- Pump fails to prime after storage
- Damage caused by sand, debris or dry running
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 3C7-65021-1 → current primary OEM service reference
- 3B7-65021-2 → related/superseded OEM reference
- 3B7-65021-1 and 3B7-65021-0 → earlier impeller revisions
OEM / Related Numbers
- 3C7-65021-1
- 3C7650211M
- 3B7-65021-2
- 3B7650212M
- 3B7-65021-1
- 3B7-65021-0
- 260388
Aftermarket / Verified Equivalents
- Sierra Marine: 18-8924
- CEF: 500388
- Recmar equivalent for 3C7-65021-1 / 3B7-65021-2
📦 Condition
- Genuine Tohatsu / Nissan OEM part, brand new.
- Brand new
- Supplied in manufacturer 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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