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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. What vehicles does the Highway Automotive 66057004 alternator fit?

A. Confirmed applications include the Volvo B11 B11R and Volvo 9700 9700. This alternator is listed for two Volvo coach applications: the Volvo B11 R with D11K engine and the Volvo 9700 with DH12D engine. To confirm fitment against your specific chassis, engine variant, or build date, use the selection widget to match your make, model, and engine — or search our cross-referenced catalogue by machine model. Every fitment shown is backed by our Fit Guarantee.

Q 2. What are the key technical specifications of the 66057004 alternator?

A. The unit operates at 24 volts with a charging current of 150 amps. It is supplied with a belt pulley fitted, and the pulley features an 8-groove profile to suit multi-ribbed belt drive systems. No additional pulley purchase is required.

Q 3. Are OE or cross-reference part numbers available for this alternator?

A. Cross-reference data is not published for this part. To identify an equivalent or confirm a replacement match, search our cross-referenced catalogue by machine model or ask Simon for assistance.

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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