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Technical Specification
PRODUCT NUMBER A4011A4012A4014A4108A4113A411712398N-OE12428N8826N12090N12365N12429N
Voltage 121212121212242412121212
Output Current 557070557036553036557270
Design A127MT IR/EFIR/EFIR/EFIR/EFIR/EFA127 IR/EF
Manufacturer LucasLucasLucasLucasLucasLucas
Pulley APAPAPAPAPAPGroove PulleyGroove PulleyGroove PulleyGroove PulleyGroove PulleyGroove Pulley
Rotation Bi-directionalCWCWCWCWCW

Q 1. Which Ford tractors does the WAI 12089N fit?

A. The 12089N covers 32 Ford applications, including the Ford 231, 233, 2600, 2610, 2810, 2910, 333 and 355, plus 30 New Holland Industrial applications — 62 in total. Use the selection widget to match your exact make, model and engine, or search our cross-referenced catalogue by machine model. Every fitment shown is backed by our Fit Guarantee.

Q 2. Does this alternator replace Ford part number E3NN-10B376-AB?

A. Yes. The WAI 12089N cross-references Ford E3NN-10B376-AB, E3NN-10B376-AC and E3NN-10B376-AD, along with Ford Engineering numbers E3NN10B376AB, E3NN10B376AC and E3NN10B376AD, among 41 OE references in total. Search our cross-referenced catalogue by OEM number to verify your application, or ask Simon if you are unsure.

Q 3. What Lucas numbers does the 12089N replace?

A. It replaces 12 Lucas references including 24246, 24246A, 24246B, 24256, 24256A, 24256A/C, 24256B, 24256C, 24256D, 54022292, 54022310 and 54022310F. If your original unit carries one of these numbers, the 12089N is the correct replacement.

Q 4. Does it also cover Delco Remy or Iskra references?

A. Yes. The 12089N cross-references Delco Remy DRA3289 and five Iskra / Letrika references including Iskra / Letricka tech 11201505, Iskra / Letrika commercial IA0495 and IA0505, Iskra / Letrika family AAK1345, and Iskra AAK1341, as well as Letrika 11.201.505 — all among the 41 verified OE cross-references for this part.

Q 5. What are the key technical specifications of this alternator?

A. The 12089N is a 12V, 45A unit built to the Lucas IR/EF (internal regulator, external fan) design. It rotates clockwise and is fitted with a groove pulley. It is supplied brand new.

Q 6. Is this a reconditioned unit or brand new?

A. It is brand new — not reconditioned or remanufactured. You receive a fresh unit with no prior wear.

Q 7. 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.

Q 8. 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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