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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £4.99 | 1 to 2 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 5 to 7 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
Product Number: 12147N
The WAI 12147N is a brand-new 24V 45A alternator. It is built to Bosch IR/EF specification, designed to replace original-equipment units across 27 Case applications including tracked excavators, dozers, and forestry machines. It is a direct cross-reference for Bosch numbers including 0 120 489 481 and 0986043867, as well as Remy 50950, Iskra / Letrika IA0759, Mahle MG 84, and Magneti Marelli 063534882060 — sourced from a catalogue of 40 verified OE references in total.
Supplied without a pulley, the 12147N is intended for fitment where the original pulley is serviceable and will be transferred across during installation. The IR/EF (internal regulator, external fan) design mirrors the architecture of the Bosch original, making it a straightforward swap in workshop conditions.
Case applications span a wide production window, covering models such as the Case 1088, Case 1150E, Case 1155E, Case 521D, and Case 450C — machinery that demands reliable 24V charging performance in demanding operating environments.
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| Type | Alternator |
|---|---|
| Manufacturer | Bosch |
| Design | IR/EF |
| Voltage | 24V |
| Output | 45A |
| Pulley | w/o pulley |
| Condition | Brand New |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Exploring the WAI Starter Motor and Alternator at Partsformachines.com Introduction: In the Plant and Agriculture sector, a starter motor and alternator are parts that ensure a machine runs smoothly. At Partsformachines.com we have partnered with WAI, a global manufacturer of auto and plant machinery parts to off...
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| Technical Specification | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PRODUCT NUMBER | 12384N | 13381N-7G | 13625N | 13922N | 13998N | 20008N | 20803N | 21346N | 21480N | 21906N | 23344N | 23777N | 23914N | 11134N | 11234N |
| Voltage | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Output Current | 150 | 90 | 120 | 140 | 180 | 180 | 90 | 140 | 200 | 120 | 150 | 140 | 125 | ||
| Design | IR/IF | IR/IF | IR/IF | IR/IF | IR/IF | IR/IF | IR/IF | IR/IF | IR/IF | IR/IF | IR/IF | IR/IF | IR/IF | ||
| Manufacturer | Bosch | Bosch | Bosch | Bosch | Bosch | Bosch | Bosch | Bosch | Bosch | Bosch | Bosch | Bosch | Bosch | Bosch | Bosch |
| Pulley | SC6 | S7 | S6 | SC6 | SC6 | SC6 | S6 | SC6 | S6 | S7 | SC6 | SC6 | S6 | ||
| Rotation | CW | CW | CW | CCW | CW | CW | CW | CW | CW | CW | CW | CW | |||
A. The WAI 12147N fits 27 Case applications, including the Case 1088, Case 1150E, Case 1155E, Case 1187C Feller Buncher, Case 521D, and Case 450C, among others. To confirm fit for your specific machine, use the selection widget to match by model and engine variant, or search our cross-referenced catalogue by OEM number or machine model. Every fitment shown is backed by our Fit Guarantee.
A. Yes. The WAI 12147N is a verified replacement for Bosch 0 120 489 481 (also listed as 0120489481), as well as Bosch 0986043867, Bosch F005A00022, Bosch USA AL9940X, and Bosch USA AL9948X. There are 40 OE cross-references in total across multiple brands — search our catalogue by any of these numbers to confirm.
A. Yes. The 12147N cross-references Remy 50950 and Remy 93028, and also covers Iskra / Letrika references including IA0759, AAK3336, and AAK1387, as well as Letrika 11.201.941 and Iskra / Letricka tech 11201941.
A. Yes. It replaces Mahle MG 84 and Mahle Original MG84, and cross-references Magneti Marelli 063534882060. Case OEM numbers in the catalogue include A186124, A186153, AR187916, P941518P, P941542, and PO9415420.
A. No — the WAI 12147N is supplied without a pulley. The original pulley from the unit being replaced should be transferred and refitted during installation.
A. IR/EF stands for Internal Regulator / External Fan. This describes the alternator's architecture: the voltage regulator is integrated inside the unit, and the cooling fan is mounted on the exterior. The WAI 12147N replicates this Bosch original design.
A. Yes — ask Simon, or WhatsApp our team on 07754 288583 with any questions about specifications, suitability, or compatibility.
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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