# 3C7-65021-1 Tohatsu Marine Impeller | Genuine OEM Outboard Part

🔧 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

  

🔄 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• 3B7-65021-2 → related/superseded OEM reference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

  

🚤 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 replacement or service is required:

  

• 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

  

📦 Condition

  

• Genuine Tohatsu / Nissan OEM part, brand new.

• Brand new

• Supplied in manufacturer or equivalent protective packaging

## Details

- **Price:** 87.95 AUD
- **Vendor:** Tohatsu
- **Tags:** Tohatsu Outboard Parts | Marine Engine Components & Spares

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 87.95 AUD | In stock |

## Images

- 3C7-65021-1 Tohatsu Marine Impeller | Genuine OEM Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3c7-65021-1-tohatsu-impeller)
> Updated: 2026-08-01