# JPR-YM08IH Yanmar 2/3GM- 2/3YM Seawater Pump Replacement JPR - YM08IH

Replacement seawater pump for Yanmar 2GM 3GM, 3HM, 2YM 3YM engines.

This replacement pump has built-in cam (4mm) and 17mm / 5/8" water hose. It is supplied complete with the pulley.

Replaces Yanmar 128397-42500 & Yanmar 128377-42500 (2mm cam) / 121575-42000 & 721575-42702 / 128990-42500 w/out mounting bracket. 128990-42500 was replaced by 128990-42510 (Johnson 10-13492-01)

Replaces Johnson 10-24509 / 10-13337 (which does not have the bracket).

Plug & play design. Note internal parts are not the same as the Yanmar / Johnson pumps. This pump is upgraded to mechanical seal. Camless design - machined in body casing.

This is a JMP Marine part JPR - YM08 IH.

Minor Repair Kit - JSM0091, Major Repair Kit - [JSK0082](https://www.marineenergy.com.au/products/service-kit-major-seawater-pump-jmp-jpr-ym08ih-jpr-ym08ih02)

## Details

- **Price:** 698.5 AUD
- **Vendor:** JMP
- **Tags:** Sawley’s AAM Aftermarket – Seawater Pumps (Yanmar | JMP) | Marine Raw Water Pumps

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 698.50 AUD | In stock |

## Images

- JPR-YM08IH Yanmar 2/3GM- 2/3YM Seawater Pump Replacement JPR - YM08IH
- JPR-YM08IH Yanmar 2/3GM- 2/3YM Seawater Pump Replacement JPR - YM08IH
- JPR-YM08IH Yanmar 2/3GM- 2/3YM Seawater Pump Replacement JPR - YM08IH
- JPR-YM08IH Yanmar 2/3GM- 2/3YM Seawater Pump Replacement JPR - YM08IH
- JPR-YM08IH Yanmar 2/3GM- 2/3YM Seawater Pump Replacement JPR - YM08IH

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/jpr-ym08ih-yanmar-2-3gm-2-3ym-seawater-pump-replacement-jpr-ym08ih)
> Updated: 2026-06-23