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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. Which John Deere machines does the WAI 8047N fit?

A. This alternator fits 50 John Deere applications, including the 210C (1987–1992), 303 (1970–1991), 310C (1987–1992), 315C (1987–1992), 329 (1970–1991), 400G (1988–2005), 4039 (1990–1997), and 3164D (1974–1988), among others. Use the selection widget to match your exact model and engine variant, or search our cross-referenced catalogue by machine model. Every fitment shown is backed by our Fit Guarantee.

Q 2. Does this alternator replace Remy 50218?

A. Yes. The WAI 8047N directly replaces Remy 50218. It also cross-references Prestolite 110-372, Prestolite 110-485, Prestolite Electric 110372, Prestolite Electric 110485, and 15 further OE references across Motorola and John Deere — 20 in total. Search our catalogue by any of these OE numbers to confirm fitment.

Q 3. Which John Deere OE part numbers does this replace?

A. The WAI 8047N replaces John Deere AT103344, AT125414, SE501368, TY6670, and TY6678, along with Motorola references 10-372, 10372, 8EM2009, 8EM2009N, 8EM2009NA, 8EM2009NB, 8EM2009NC, 8EM2009ND, and 8EM2009NDS. All 20 cross-references are verified in our catalogue.

Q 4. What are the key specifications of this alternator?

A. The WAI 8047N is a brand-new 12V 65A alternator built to the Motorola IR/EF design. Rotation is bidirectional, and the unit is supplied without a pulley — the original pulley from the machine is reused during installation.

Q 5. Does the 8047N come with a pulley?

A. No. The WAI 8047N is supplied without a pulley. The original pulley from the machine should be transferred to the new unit during installation.

Q 6. 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.

Q 7. 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.

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