| Recmar

Volvo Penta 3.0–8.2L Alternator, Ref 3857813 | Recmar REC3857813

REC3857813

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Product Specifications and Features

This 12V marine alternator is a Recmar replacement for Volvo Penta petrol engines using a serpentine (multi-groove) belt drive. It cross-references Volvo Penta OEM 3857813 and is commonly found on GM-based Volvo Penta installations across the 3.0L–8.2L range. Confirm your engine model, belt type, and the part number on the unit currently fitted before ordering.

Part: Alternator
Voltage / Output: 12V, 55A
Regulator: Internal
Pulley type: Serpentine / multi-groove (groove pulley)
Engine fitment (per supplier listing): Volvo Penta 3.0, 4.3, 5.0, 5.7, 5.8, 7.4, 8.2; V6 & V8 (Mando-type application)
Cross-references: Volvo Penta 3857813, 3860082, 3860798; MerCruiser 807652, 807652T, 807652R01; OMC 3860082
Aftermarket reference: Recmar REC3857813

Fitment note: Alternators can vary by belt system (serpentine vs V-belt), mounting, and wiring plug style. Always match the reference numbers and compare the replacement to the alternator removed from your engine.

Shipping Information

All orders ship from the UK. Orders placed Monday–Thursday before 12:00pm are processed same day. Orders placed Friday after 12:00pm through Sunday are processed the following Monday. Processing times vary by stock location.

Out of stock items can be back-ordered with a typical 3–4 week lead time.

If an item shows "Dispatch Available Today" and you order after 2pm UK time, processing begins the next business day.

All times are in UK BST.

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