New Holland T4 Series Tractor Engine Starter Motor | 12V 3.2kW | OEM 84208918

A New Holland T4 that cranks slowly through a damp morning is telling you what it will do by mid-season, because brushes and solenoid contacts rarely fail all at once, they fade, and one grey Tuesday the key does nothing but click. This replacement carries the New Holland reference 84208918, and the same unit is listed under 87398251 and a handful of Iskra and Mahle numbers depending on which catalogue your dealer uses, so any of those on an old invoice point at the same box.

OEM and Search References

• Primary reference: 84208918 (New Holland)

• Substitute references: 84208903, 87398251, 87583927, 87583972, 82036365, 47375306, 504388220

• Cross references: Iskra IS1189, Mahle 11.131.279 / MS24, Iveco 504015749

• Buyer search terms: 84208918 starter, T4.75 starter motor, New Holland T4 starter 12V, 87398251

• Ratings: 12 V, 3.2 kW, 10-tooth pinion, clockwise rotation — read them back against the old unit; mounting dimensions and gear extension are not confirmed on this listing

Fitment and Purchase Checks

The T4 line ran from the T4.55 up to the T4.120 between 2012 and 2022, and the starter crossed most of that range along with part of the T5 and Farmall families, though New Holland changed more between model years than the brochures suggest, so the tractor serial number and the engine plate settle the question faster than any catalogue page.

Before ordering, pull the number off the unit on the tractor, count the teeth if you can reach them, and photograph the plate when corrosion has eaten it, because dealers and repair shops who send those three things across get a quote with price, stock, dispatch date and warranty terms that actually apply where the part is going.