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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: 12817N
The WAI 12817N is a brand-new 24V 55A alternator. It is built to the Letrika (Iskra) IR/IF design specification, supplied as a direct OE replacement for Deutz, Iskra, Letrika, Mahle, and Deutz-Fahr original-equipment units across a wide range of agricultural and commercial plant applications. With 29 verified cross-references on record, this is a well-catalogued unit covering significant fitment breadth in the heavy-duty sector.
Manufactured to Letrika's IR/IF (internally regulated, internally fused) design, the 12817N delivers a clockwise-rotation output of 55 amperes at 24 volts — the standard charging specification for diesel-powered agricultural machinery and plant equipment in this class. The IR/IF architecture means all regulation and protection circuitry is self-contained within the unit, simplifying installation and eliminating the need for an external regulator.
This alternator directly replaces Deutz original-equipment references including 0118 2167, 0118 2403, and 0118 2959 (8 Deutz refs in total), Iskra/Letrika commercial references IA1076 and IA1303, Mahle MG 337, and Letrika family references including AAK5376 and AAK5734, among 29 cross-references in all. Supplied brand new.
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| Type | Alternator |
|---|---|
| Manufacturer | Letrika |
| Design | (Iskra) IR/IF |
| Voltage | 24V |
| Output | 55A |
| Rotation | CW |
| Condition | Brand New |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
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| Technical Specification | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PRODUCT NUMBER | 13152N | A9154S | A9155 | A9221 | 12816N | A9055 | A9055(LETRIKA) | A9158 | A9158(LETRIKA) | A9161(LETRIKA) | A9190 | A9214 | A9214(LETRIKA) | A9219 | A9246(LETRIKA) |
| Voltage | 12 | 12 | 12 | 12 | 12 | 12 | 24 | 24 | |||||||
| Output Current | 65 | 95 | 120 | 65 | 95 | 120 | 50 | 100 | |||||||
| Design | IR/EF | (Iskra) IR | |||||||||||||
| Manufacturer | Letrika | Letrika | Letrika | Letrika | Letrika | Letrika | Letrika | Letrika | Letrika | Letrika | Letrika | ||||
| Pulley | V1 | AP | AP | AP | AP | Without Pulley | |||||||||
| Rotation | CW | CW | |||||||||||||
A. The WAI 12817N carries 29 verified OE cross-references. By search demand, it replaces Deutz original-equipment alternators including 0118 2167, 0118 2403, and 0118 2959 (8 Deutz refs in total); Iskra/Letrika units including commercial references IA1076 and IA1303 and tech reference 11203396; Mahle MG 337; Letrika references including 11.203.155, 11.203.396, and AAK5734; and DEUTZ-FAHR references including 01182167, 01182403, and 01182959, among others. To confirm your unit is in the full list, search our cross-referenced catalogue by your existing OE number or ask Simon.
A. Yes — Mahle MG 337 is one of the 29 OE cross-references verified for the WAI 12817N. If you are sourcing a replacement for a Mahle-badged unit carrying that reference, this alternator is the listed equivalent. Use the catalogue cross-reference search to verify your full part number, or ask Simon if you need further confirmation.
A. The WAI 12817N operates at 24 volts with a 55-ampere output. It uses the Letrika (Iskra) IR/IF design — internally regulated and internally fused — with clockwise rotation. It is supplied brand new.
A. IR/IF stands for internally regulated and internally fused. This means the voltage regulator and protection fuse are built into the alternator body rather than mounted externally on the machine. For installation, it simplifies wiring and removes the dependency on a separate external regulator.
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.
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.
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