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Technical Specification
PRODUCT NUMBER 86003107127-12RA1029A1029PRA10397127-SEN7127-SEN-100A1G7127-SEN-2G7256N7850N7853N-140A8030N8073N8718N12168N-DR
Voltage 1212121212121212121224121212
Output Current 6310010014063100639010014070130160160
Design IR/EF10SI Series IR/EF10SI Series IR/EFIR/EF30SI/TR Series IR/IF27SI/200 Series IR/EF15SI IR/EF21SI Series IR/EF22SI Series IR/EF24SI Series HP IR/IFCS130D IR/IF
Manufacturer DelcoDelcoDelcoDelcoDelcoDelcoDelcoDelcoDelcoDelcoDelco
Pulley V1AFPAFPAFPGroove PulleyGroove PulleyGroove PulleyWithout PulleyWithout PulleyGroove PulleyWithout PulleyWithout PulleyWithout PulleyGroove Pulley
Rotation CWCWCWCWCWBi-directionalCWCWCWCWCW

Q 1. What machines does the WAI 7853N alternator fit?

A. The WAI 7853N covers 148 applications across makes including Case (27 applications), International (19), Deutz-Allis (18), Agco Gleaner (14), John Deere (11), White Industrial (11), Agco Allis (8), Ford, Massey Ferguson, Timberjack, and others. Use the selection widget to match your make, model and engine, or search our cross-referenced catalogue by OEM number or machine model. Every fitment shown is backed by our Fit Guarantee.

Q 2. Does this alternator replace a Bosch or Remy unit?

A. Yes. The WAI 7853N cross-references 50 OE numbers in total, including Bosch USA AL9970X, Mahle Original MG490, LetrikaTEC AAN5819, and Remy references including 10479924, 10479925, 10479926, 10479927, 10479928, 10479929, 10479930, 10497083, 1101194, 1101205, 1101439, and more. Search our catalogue by your existing OE number to confirm the match.

Q 3. Will this alternator fit a Ford 6610?

A. Ford is listed in the fitment data for this part, with two Ford applications covered. Use the selection widget or search by model to confirm whether your specific Ford 6610 variant is included. If it is not listed, ask Simon — every confirmed fitment is backed by our Fit Guarantee.

Q 4. What does IR/EF mean on a Delco 15SI alternator?

A. IR/EF stands for Internal Regulator / External Fan. It means the voltage regulator is built inside the alternator body (no separate external regulator required) and the cooling fan is mounted on the outside of the unit. This matches the original Delco 15SI Series specification that the WAI 7853N is designed to replace.

Q 5. Is the WAI 7853N a new unit or remanufactured?

A. The WAI 7853N is supplied brand new — not remanufactured or reconditioned. It is rated at 12V 105A with clockwise rotation and a groove pulley, built to the Delco 15SI Series IR/EF design.

Q 6. What is the output and voltage of this alternator?

A. The WAI 7853N delivers 105 amperes at 12 volts. Rotation is clockwise and the pulley type is a groove pulley, consistent with the original Delco 15SI Series IR/EF specification.

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. 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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