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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £19.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £19.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £19.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £19.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £19.95 | 7 to 10 working days |
Product Number: 66033003
The Highway Automotive 66033003 is a 24-volt, 100-amp alternator designed as a direct replacement for Mercedes commercial and utility vehicles. Supplied complete with belt pulley, it is engineered to restore reliable charging system performance across a broad range of demanding fleet and off-road applications. The 66033003 operates at 24 V and delivers a charging current of 100 A, making it well suited to the sustained electrical demands of heavy-duty commercial engines. The eight-groove belt pulley is supplied as part of the unit, supporting straightforward installation without the need to source additional components separately. This alternator covers 39 Mercedes applications, spanning the Atego 2 range — including variants powered by the OM902, OM906, and OM900/924 engines — and an extensive selection of Unimog models, among them the U 300, U 400, U 500, and numerous historic U-series vehicles fitted with OM353, OM356, OM366, OM904, and OM906 engines. Use the selection widget or search the cross-referenced catalogue by machine model to confirm fitment for your specific vehicle. Every fitment shown is checked against manufacturer data and backed by the PartsForMachines Fit Guarantee. No warranty period is stated in the available source data for this product; refer to the listing technical specifications or contact the team for further details.
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Notes: Voltage: 24 V; Charging current: 100 A; With belt pulley; Number of grooves: 8
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| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
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Standard Delivery: £19.95
Delivery Estimate: 7 to 10 working days
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| Technical Specification | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PRODUCT NUMBER | 14482N | 20539N | 21610N | 23853N | 21173N | 22155N | 23791N | 8440N | A4033 | A4058 | A4072 | A4084 | A4085 | A4103 | A9012 |
| Voltage | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Output Current | 120 | 124 | 90 | 90 | 110 | 90 | 100 | 105 | 70 | 80 | 70 | 85 | 110 | ||
| Design | IR/IF | IR/IF | IR/IF | IR/IF | IR/IF | IR/IF | |||||||||
| Manufacturer | Marelli | Marelli | Electroprecizia | VISTEON | Marelli | Ford | Mando | Ford | |||||||
| Pulley | COUPLER | S6 | S6 | SC7 | S6 | AP | AP | AP | AP | AP | AP | ||||
| Rotation | CW | CW | CW | CW | |||||||||||
A. This alternator fits Mercedes vehicles across 39 applications in total. It covers the Atego 2 range — including the 1226-1526, 1228-1528, 1229-1529, and 1728-2428 variants with OM902, OM906, and OM900/924 engines — as well as an extensive selection of Unimog models including the U 300, U 400, U 500, U 1200, U 1300, U 1400, U 1450, U1100L, and others. To confirm the exact fit for your vehicle, use the selection widget to match by make, model, and engine, or search our cross-referenced catalogue by machine model. Every fitment shown is backed by our Fit Guarantee.
A. The 66033003 covers a range of Mercedes diesel engines across both the Atego 2 and Unimog lines, including the OM902, OM906, OM900/924, OM353, OM356, OM366, and OM904. If you are unsure whether your specific engine variant is listed, use the selection widget or ask Simon to confirm compatibility before ordering.
A. The 66033003 operates at 24 V with a charging current of 100 A. It is supplied complete with an eight-groove belt pulley, so no separate pulley purchase is required. No additional dimensional or mounting specifications are published in the available source data.
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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