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Technical Specification
PRODUCT NUMBER 14482N20539N21610N23853N21173N22155N23791N8440NA4033A4058A4072A4084A4085A4103A9012
Voltage 121212121212121212121212121212
Output Current 12012490901109010010570807085110
Design IR/IFIR/IFIR/IFIR/IFIR/IFIR/IF
Manufacturer MarelliMarelliElectropreciziaVISTEONMarelliFordMandoFord
Pulley COUPLERS6S6SC7S6APAPAPAPAPAP
Rotation CWCWCWCW

Q 1. What Yanmar machines does the WAI 20670N alternator fit?

A. This alternator fits four Yanmar applications, including the YM147 (2000), YM169 (2000), YM250 (2000–2006) and YM276 (2000–2006). Use the selection widget to match your exact make, model and engine variant, or search our cross-referenced catalogue by machine model or OEM number. Every fitment shown is backed by our Fit Guarantee.

Q 2. Does this alternator replace Yanmar part number 121450-77200?

A. Yes. The WAI 20670N directly replaces Yanmar OE references 121450-77200 and 12145077200. Additional aftermarket cross-references include AD Kuhner 553682, BTS Turbo L611697, Farcom 112399, Sando 20561010, and N/A CPL2D12145 — seven references in total. If you are matching by OE number, search our cross-referenced catalogue or ask Simon to confirm suitability for your machine.

Q 3. What are the key specifications of the 20670N alternator?

A. The WAI 20670N is a 12-volt, 15-amp alternator built to the Kokusan Denki ER design. It is fitted with a groove pulley and is supplied brand new — not remanufactured or refurbished.

Q 4. 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 5. Is this part covered by your Fit Guarantee?

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.

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