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Technical Specification
PRODUCT NUMBER 13152NA9154SA9155A922112816NA9055A9055(LETRIKA)A9158A9158(LETRIKA)A9161(LETRIKA)A9190A9214A9214(LETRIKA)A9219A9246(LETRIKA)
Voltage 1212121212122424
Output Current 6595120659512050100
Design IR/EF(Iskra) IR
Manufacturer LetrikaLetrikaLetrikaLetrikaLetrikaLetrikaLetrikaLetrikaLetrikaLetrikaLetrika
Pulley V1APAPAPAPWithout Pulley
Rotation CWCW

Q 1. What does the WAI 12697N replace, and which OE numbers does it cross-reference?

A. The WAI 12697N is a direct replacement carrying 21 verified OE cross-references. The highest-demand references are Delco Remy DRA0176 and Remy 19093031. Further verified numbers include Iskra 11201985, Iskra 11203392, Iskra AAK3355, Iskra AAK3356, Iskra AAK4344, Iskra IA0984, Letrika 11.201.985, Letrika 11.203.392, LetrikaOLD 11.201.984, Mahle Original MG539, Agco 3821 974 M91, Agco 3821 974 M92, Agco 3821 975 M91, Agco Sisu Power 3821974M92, Agco Sisu Power 82036252, Massey Ferguson 3821974M91, Massey Ferguson 3821975M91, Sando 20211431, and AD Kuhner 553876. Search our cross-referenced catalogue by any of these numbers, or ask Simon if you need further confirmation. Every cross-reference shown is backed by our Fit Guarantee.

Q 2. Which Massey Ferguson models will this alternator fit?

A. Fitment is confirmed for the Massey Ferguson MF-4245 (1997–2000) and the Massey Ferguson MF-4250 (all years) — 2 applications in total. Use the selection widget to match your exact make, model, and engine variant, or search by OE number using the references listed. Fitment is backed by our Fit Guarantee.

Q 3. What are the key electrical and mechanical specs of this alternator?

A. The WAI 12697N outputs 80 amperes at 12 volts with clockwise rotation. It follows the Letrika (Iskra) IR/EF design — that is, an internal regulator with excitation field — and is fitted with a groove pulley. It is supplied brand new.

Q 4. Does this alternator use an internal or external voltage regulator?

A. This unit uses an internal regulator, as indicated by the Letrika (Iskra) IR/EF designation (IR = internal regulator; EF = excitation field). No separate external regulator is needed; the wiring arrangement follows the same layout as the original equipment it replaces.

Q 5. Does this replace the Mahle Original MG539 or the Iskra AAK3355?

A. Yes. Both Mahle Original MG539 and Iskra AAK3355 appear in the verified cross-reference list for the WAI 12697N, along with a further 19 OE numbers across Delco Remy, Remy, Letrika, Agco, Massey Ferguson, Sando, and AD Kuhner. If you are sourcing by either of those numbers, this is the confirmed replacement. Search by OE number in our catalogue or ask Simon to verify your specific application.

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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