Marine raw-water pump impeller cross-reference chart (Jabsco / Johnson / Sierra)
Cross-reference chart for marine diesel raw-water pump impellers — Jabsco, Johnson, Sierra and JMP equivalents grouped by pump, covering Beta, Volvo Penta, Ford Lehman, Sabre, BMC and more.
Buy the impeller, not the marine-branded box
A raw-water pump impeller is a raw-water pump impeller. The marine marques (Beta, Volvo Penta, Nanni…) resell Jabsco and Johnson impellers under their own part numbers at a markup. Match your pump to the group below and buy the Jabsco, Johnson, Sierra or JMP number directly.
Identify by the pump, not the engine model. The same engine can leave the factory with different pumps over the years, so measure your old impeller (outside diameter × width, blade count, drive type) and match it to the group before ordering.
Group A — small 6-blade, pin drive (≈51 × 22 mm)
Fits the Johnson F4 pump used on smaller Kubota-based engines (e.g. Beta 10–38 early pumps).
| Maker | Part № |
|---|---|
| Jabsco | 653-0001 |
| Johnson | 09-810B / 09-810B-1 |
| Sierra | 23-3307 |
| JMP | 7050-01K |
| Beta Marine (OEM) | 207-05355 |
| Westerbeke (OEM) | 34440 / 034440 |
| Yanmar (OEM) | 128990-42200 |
Group B — 12-blade, spline drive (≈57 × 31.5 mm) — the big one
The Johnson F5B-9 pump impeller. This is the most widely shared marine impeller in scope — it covers Beta 43–60, all BMC/Newage marine engines, the Ford Lehman SP90/SP135 and Sabre 120, and many Volvo Penta and Perkins pumps.
| Maker | Part № |
|---|---|
| Jabsco | 1210-0001 |
| Johnson | 09-1027B / 09-1027B-1 |
| Sierra | 18-3081 |
| JMP | 7100-01K |
| Beta Marine (OEM) | 207-80800 (was 207-09042) |
| Volvo Penta (OEM) | 825940 / 860203 / 875811 |
| Perkins (OEM) | 460038 |
| Yanmar (OEM) | 129470-42532 |
Group C — 8-blade, spline drive (≈65 × 50 mm)
Larger raw-water pump on the bigger blocks (e.g. Beta 75–90, larger Volvo Penta).
| Maker | Part № |
|---|---|
| Jabsco | 920-0001 |
| Johnson | 09-1028B |
| Sierra | 23-3308 |
| JMP | 7400-01K |
| Beta Marine (OEM) | 207-10709 |
| Volvo Penta (OEM) | 877061 |
Ford 2700-series (Lehman / Sabre / Mermaid) belt-driven pump
The belt-driven raw-water pump on Ford Dorset/Dover 2700-series blocks takes a 6-blade impeller: Jabsco 920-0001, Sierra 18-3018, Johnson 09-801B (Johnson cross is single-source — verify).
Notes
- Where a number is marked OEM, that is the marine marque's own box for the same impeller — you can
usually save by buying the Jabsco/Johnson/Sierra number instead.
- Kits vs bare impellers: JMP
…-01Kand Jabsco/Sierra kit numbers include the O-ring/gasket; a
bare impeller is a different suffix.
Some entries (especially Sierra crosses and the Ford Johnson cross) are graded likely/unverified — the safe path is to measure your impeller and confirm the number with a supplier before ordering. See our Methodology. Related: the Beta and Ford base-engine guides.
This is an independent reference guide. Part numbers are compiled from public and third-party sources and may contain errors — always verify against an official source before ordering. See our Methodology. Browse all guides.