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Technical Specification
PRODUCT NUMBER 19016N32568N32734NMS291MS8430584NMS399S4030S4042S9002PRS9020S9033S9406SS9440P17184N
Voltage 1212121212121212121212121212
Design PMOSGROSGRPLGRPLGRPLGRDD
Manufacturer MitsubaPoongsungMitsubaMahleMahleMahleElectroprecizia
Power 1.62.04.24.23.23.02.02.11.42.21.22.23.0
Rotation CCWCWCWCWCWCWCWCWCWCWCWCWCW
Teeth 9910111010111912119119

Q 1. What does this starter motor fit or replace?

A. The WAI 18642N is cross-referenced against Remy RS41238, Polaris 0450532, Polaris 0451805, and Eton 650239 — four OE references in total. If your existing unit carries one of these numbers, this part is the catalogued replacement. No vehicle fitment data is published for this part; to confirm suitability for your specific machine, search our cross-referenced catalogue by OEM number or ask Simon.

Q 2. Does this replace Remy RS41238?

A. Yes. Remy RS41238 is one of the four OE cross-references catalogued for the WAI 18642N. It also replaces Polaris 0450532, Polaris 0451805, and Eton 650239. Search our catalogue by any of these numbers or ask Simon if you need further confirmation of fit. Every OE cross-reference shown is backed by our Fit Guarantee.

Q 3. Is this a remanufactured or brand-new starter motor?

A. It is brand new. The WAI 18642N is supplied as a new unit, not remanufactured or reconditioned, so it meets original specification without the variability that can come with rebuilt parts.

Q 4. What are the key technical specs — voltage, rotation, and design type?

A. The WAI 18642N is a 12-volt PMDD (Permanent Magnet Direct Drive) starter motor with counter-clockwise (CCW) rotation, manufactured to the Polaris specification.

Q 5. Can I ask questions about this product before ordering?

A. Yes — ask Simon, or WhatsApp our team on 07754 288583 with any questions about specifications, suitability, or compatibility.

Q 6. How do I confirm this part fits my vehicle or machine?

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.

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