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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: 18337N
The WAI 18337N is a brand-new 12V PMDD starter motor. It is manufactured by Mitsuba, supplied by WAI and cross-referenced against 24 original-equipment and aftermarket part numbers. It is designed as a direct replacement for Denso, Honda, Remy, and Mitsuba original-equipment starters across compatible applications.
The PMDD (Permanent Magnet Direct Drive) design eliminates the planetary gear reduction assembly found in conventional starters, resulting in a compact, lightweight unit that delivers reliable cranking performance. Counter-clockwise (CCW) rotation is factory-set, matching the OE specification of the applications this unit covers.
Supplied brand new — not remanufactured — the 18337N carries WAI's cross-referenced OE data covering 24 references from Denso (including 128000-4400), Honda (including 31200-HA0-773, 31200-HA6-306, 31200-HC4-003, and related variants), Remy (RS41181), and Mitsuba (SM13213). This depth of cross-referencing makes reverse-lookup straightforward whether you are working from an OE number or a machine model.
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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 |
| Rotation | CCW |
| 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...
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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 18337N crosses to 24 OE and aftermarket references in total. These include Denso 128000-4400 and 1280004400; Honda 31200-HA0-773, 31200-HA0-774, 31200-HA6-306, 31200-HA6-316, 31200-HA6-773, 31200-HA6-774, 31200-HC4-003, 31200-HC4-013, 31200-HC4-023, 31200-HC4-033, and the equivalent unhyphenated formats; Remy RS41181; and Mitsuba SM13213. To confirm fit against your specific machine or OE number, search our cross-referenced catalogue or ask Simon — every cross-reference listed is backed by our Fit Guarantee.
A. The WAI 18337N carries 20 Honda OE cross-references, covering Honda part numbers in the 31200-HA0, 31200-HA6, and 31200-HC4 families. To verify fit for your specific Honda model or engine variant, search our catalogue by Honda OE number or machine model, use the selection widget, or ask Simon. All fitment data is checked against manufacturer records and covered by our Fit Guarantee.
A. Yes. The WAI 18337N is cross-referenced to Denso 128000-4400 (also listed as 1280004400 without hyphens), the two Denso references held for this part. If your existing starter carries a different Denso number, use the cross-reference search or ask Simon to confirm compatibility.
A. It is supplied brand new — not remanufactured or reconditioned.
A. The 18337N operates at 12V and rotates counter-clockwise (CCW), matching the OE specification of the applications it covers. Confirm rotation direction against your existing unit before fitting.
A. PMDD stands for Permanent Magnet Direct Drive. Unlike conventional reduction-gear starters, a PMDD design drives the pinion directly from the armature shaft using permanent magnets in place of wound field coils. This results in a more compact and lighter unit whilst maintaining the cranking torque required for the applications it covers.
A. Use the selection widget to match your make, model and engine, or search our cross-referenced catalogue by OEM number, machine model or equivalent part across brands. If your vehicle is not listed, ask Simon. Every fitment shown is backed by our Fit Guarantee.
A. Yes — ask Simon, or WhatsApp our team on 07754 288583 with any questions about specifications, suitability, or compatibility.
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