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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £4.99 | 1 to 2 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 5 to 7 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
Product Number: 18754N
The WAI 18754N is a brand-new 12V 0.4kW permanent-magnet direct-drive (PMDD) starter motor. It is manufactured to Mitsuba specification. It is a direct replacement for Yanmar original-equipment references 73A81812-00 and 73A8181200, Remy RS41198, and Mitsuba SM-7255 / SM7255, as well as a range of Yamaha OE numbers — 15 verified cross-references in total. If you need to confirm fitment to your specific engine or machine, search our cross-referenced catalogue by OEM number or ask Simon.
Built to PMDD architecture, the unit delivers a clean counterclockwise rotation through a 9-tooth pinion, matching the geometry of the original Mitsuba-design motors it replaces. PMDD construction eliminates field windings in favour of permanent magnets, which keeps the unit compact and consistent in output across operating cycles.
Supplied brand new — not remanufactured or reconditioned — the 18754N is a like-for-like fitment where the OE cross-references align. Verify your application against the OE numbers listed before ordering, or use our catalogue search to cross-reference by machine model. Every cross-reference shown is covered by our Fit Guarantee.
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PartsForMachines is a premier e-commerce platform, founded in 2019 in Warwickshire, UK, specializing in aftermarket parts and services for construction, agriculture, and industrial machinery. We offer an extensive catalog of over 500,000 products. Standard delivery: 1–3 working days within UK mainland. We are proud to be an authorised distributor, giving customers extra confidence when purchasing genuine products from us. In addition, we provide a 30-day return policy for eligible items.
| Type | Starter Motor |
|---|---|
| Manufacturer | Mitsuba |
| Design | PMDD |
| Voltage | 12V |
| Power | 0.4kW |
| Rotation | CCW |
| Teeth | 9 |
| Condition | Brand New |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Exploring the WAI Starter Motor and Alternator at Partsformachines.com Introduction: In the Plant and Agriculture sector, a starter motor and alternator are parts that ensure a machine runs smoothly. At Partsformachines.com we have partnered with WAI, a global manufacturer of auto and plant machinery parts to off...
Standard Delivery: £4.99
Delivery Estimate: 1 to 2 working days
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| Technical Specification | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PRODUCT NUMBER | 19016N | 32568N | 32734N | MS291 | MS84 | 30584N | MS399 | S4030 | S4042 | S9002PR | S9020 | S9033 | S9406S | S9440P | 17184N |
| Voltage | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | |
| Design | PMOSGR | OSGR | PLGR | PLGR | PLGR | DD | |||||||||
| Manufacturer | Mitsuba | Poongsung | Mitsuba | Mahle | Mahle | Mahle | Electroprecizia | ||||||||
| Power | 1.6 | 2.0 | 4.2 | 4.2 | 3.2 | 3.0 | 2.0 | 2.1 | 1.4 | 2.2 | 1.2 | 2.2 | 3.0 | ||
| Rotation | CCW | CW | CW | CW | CW | CW | CW | CW | CW | CW | CW | CW | CW | ||
| Teeth | 9 | 9 | 10 | 11 | 10 | 10 | 11 | 19 | 12 | 11 | 9 | 11 | 9 | ||
A. The WAI 18754N is a direct replacement for Yanmar OE references 73A81812-00 and 73A8181200, Remy RS41198, and Mitsuba SM-7255 and SM7255. It also covers a range of Yamaha OE numbers including 29U-81800-61-00, 4BD-81800-00-00, 4BD-81800-01-00, 4BD-81800-02-00, and 4XE-81890-00-00, among others — 15 verified cross-references in total. To confirm this is the right unit for your machine, search our cross-referenced catalogue by OEM number or ask Simon. Every cross-reference shown is backed by our Fit Guarantee.
A. Yes — both Mitsuba SM-7255 and SM7255 are listed cross-references for the WAI 18754N. The unit is built to the same Mitsuba PMDD specification: 12V, 0.4kW, counterclockwise rotation, 9-tooth pinion. If you are working from a different reference number, search our catalogue by OEM number to verify the match, or ask Simon.
A. The WAI 18754N is a 12V, 0.4kW permanent-magnet direct-drive (PMDD) starter motor. It rotates counterclockwise (CCW) and has a 9-tooth pinion. It is supplied brand new — not remanufactured or reconditioned — and is manufactured to Mitsuba design.
A. PMDD stands for Permanent Magnet Direct Drive. It means the motor uses permanent magnets in place of field windings, which keeps the unit compact and delivers consistent output across operating cycles. The WAI 18754N uses PMDD construction to match the original Mitsuba-design starter it replaces.
A. The WAI 18754N is supplied brand new — it is not a remanufactured or reconditioned unit.
A. Yes. Every vehicle and OE cross-reference shown for this part is checked against manufacturer data and backed by our Fit Guarantee. If it is not right, our Fit Guarantee or hassle-free returns have you covered.
A. Yes — ask Simon, or WhatsApp our team on 07754 288583 with any questions about specifications, suitability, or compatibility.
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