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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: 31646N
The WAI 31646N is a brand-new 12V starter motor. It is built to replace the HITACHI original-equipment unit referenced as S114-851. Manufactured to HITACHI specifications, this unit is supplied by WAI — one of the world's leading remanufacturing and new-parts suppliers for rotating electrics — making it a dependable direct replacement for machines fitted with the HITACHI S114-851 starter.
As a brand-new unit, the 31646N carries no remanufactured components or reconditioned internals. It leaves the box ready to install, with all internal tolerances set to the original HITACHI design standard. The Lester cross-reference number for this part is 31646, which is the industry-standard catalogue identifier used by auto-electrical factors and workshop technicians to verify correct application.
Where the original HITACHI S114-851 has failed or worn beyond service limits, this WAI unit provides a cost-effective, like-for-like replacement without the lead time associated with sourcing original-equipment stock.
About PartsForMachines:
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 |
|---|---|
| Voltage | 12V |
| Manufacturer | HITACHI |
| Lester | 31646 |
| 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 | 18279N | 17927N | 18328N | 31644N | S2001 | S2003 | S2005 | S2007 | S2008 | S2019 | S2027 | S2031 | S2041 | S2043 | S2044 |
| Voltage | 12 | 12 | 12 | 12 | 12 | 24 | 12 | 12 | 24 | 12 | 12 | 12 | 12 | 12 | 12 |
| Design | PMGR | PMGR | PMGR | ||||||||||||
| Manufacturer | Hitachi | Hitachi | Hitachi | Hitachi | |||||||||||
| Power | 1.4 | 1.7 | 1.4 | 1.4 | 3.5 | 2.5 | 2.0 | 4.0 | 0.9 | 1.4 | 0.8 | 2.3 | 2.3 | 2.5 | |
| Rotation | CW | CW | CW | CW | CW | CW | CW | CCW | CW | CW | CCW | CW | CW | CW | |
| Teeth | 9 | 10 | 11 | 13 | 9 | 9 | 9 | 11 | 8 | 11 | 8 | 9 | 9 | 15 | |
A. The WAI 31646N is a direct replacement for the HITACHI original-equipment starter motor referenced as S114-851. That is the single OE cross-reference published for this part. To confirm fitment to your specific machine, search our cross-referenced catalogue by OEM number or ask Simon.
A. The WAI 31646N is supplied brand new. It contains no remanufactured or reconditioned components and is built to the original HITACHI design specification.
A. This is a 12V starter motor. The Lester catalogue reference for the unit is 31646, which is the industry-standard identifier used by auto-electrical factors and workshop technicians when sourcing rotating-electric replacements.
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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