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Technical Specification
PRODUCT NUMBER 14482N20539N21610N23853N21173N22155N23791N8440NA4033A4058A4072A4084A4085A4103A9012
Voltage 121212121212121212121212121212
Output Current 12012490901109010010570807085110
Design IR/IFIR/IFIR/IFIR/IFIR/IFIR/IF
Manufacturer MarelliMarelliElectropreciziaVISTEONMarelliFordMandoFord
Pulley COUPLERS6S6SC7S6APAPAPAPAPAP
Rotation CWCWCWCW

Q 1. Which Mercedes vehicles does the Highway Automotive 66033014 alternator fit?

A. This alternator fits 10 Mercedes applications, covering the Actros (engines OM541 and OM542) and a wide span of Atego variants — including the Atego 1823, 1328–1528, 1828–2628, 823–1523, 925–1525, and Atego 7–15 — across OM900/904 and OM906-series engines. Use the selection widget to match your exact make, model, and engine variant, or search our cross-referenced catalogue by machine model. Every fitment shown is backed by our Fit Guarantee.

Q 2. Does the engine variant affect whether this alternator fits my Actros or Atego?

A. Yes — engine specification matters. The Actros coverage applies to OM541 and OM542 engines, while Atego fitment spans several OM906 sub-variants (OM906.910, .911, .919, .920–.926) as well as OM900/904. Confirm your engine code before ordering. Use the selection widget on the listing or ask Simon if you are unsure which variant your vehicle carries.

Q 3. Does this alternator come with the belt pulley, and how many grooves does it have?

A. Yes. The Highway Automotive 66033014 is supplied complete with a belt pulley fitted with 9 grooves, so no separate pulley purchase is required. Verify that your vehicle's multi-ribbed belt matches a 9-groove configuration before fitting.

Q 4. 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.

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