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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 vehicles does the Highway Automotive 66057008 alternator fit?

A. This alternator fits 15 confirmed applications across Volvo FE and RVI Premium 2 ranges. Volvo FE models covered include the FE 240, FE 260, FE 280, FE 300, and FE 320, all running the D7E engine. RVI Premium 2 models covered include the 240, 280, and 320 (DXi 7 engine) and the 370, 380, 410, 430, 440, 450, and 460 (DXi 11 engine). To confirm the part fits your exact specification, use the selection widget to match your make, model, and engine code. Every fitment listed is backed by our Fit Guarantee.

Q 2. Does the engine variant affect whether this alternator fits my Volvo FE or RVI Premium 2?

A. Yes — engine code is an important qualifier for this part. The Volvo FE applications listed are specific to the D7E engine, while RVI Premium 2 fitments are split between the DXi 7 (for 240, 280, and 320 power variants) and the DXi 11 (for 370 through 460 variants). Use the selection widget to enter your model and engine to confirm compatibility, or ask Simon if you are unsure of your engine designation.

Q 3. What are the key electrical specifications of the 66057008 alternator?

A. The Highway Automotive 66057008 operates at 24 volts with a charging current of 120 amps. It is supplied with a belt pulley fitted as standard, which carries a 10-groove profile to align with the original drive belt configuration on supported vehicles.

Q 4. Can I ask questions about this product before ordering?

A. Yes — ask Simon, or WhatsApp our team on 07754 288583 with any questions about specifications, suitability, or compatibility.

Q 5. Is this part covered by your Fit Guarantee?

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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