• Image of an alternator on a white background.

| Recmar

MerCruiser/Mercury EI/ES 2.8 & 4.2L 65A Alternator, Ref 807653T | Recmar REC807653T

REC807653T

  • Free Shipping ✅

🚚 Dispatched in 1-3 Days

⏱️ 14 Day Return Policy

In stock

Our stock levels are updated in real time, though occasional delays may occur. If inventory appears limited and you need confirmation before ordering, our customer service team is available via live chat to verify current availability. Look for the orange chat icon in the bottom right corner of your screen.

£157.44 GBP
£157.44 GBP
Tax included. Shipping calculated at checkout.
  • American Express
  • Apple Pay
  • Bancontact
  • Diners Club
  • Discover
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa
Shop safely with us
💬 Ask a question about this product

By signing up you agree to receive marketing emails and text messages. View our privacy policy and terms of service for more info.

Product Specifications and Features

This 12V 65A alternator is supplied by Recmar as a replacement unit for MerCruiser/Mercury applications that cross-reference OEM part number 807653T. It is specified for MerCruiser Cummins Diesel EI/ES 165, 250 & 300 engines (2.8L & 4.2L) and features a 6-groove serpentine pulley and internal regulator.

Before ordering, confirm the OEM number on your existing alternator and match belt/pulley style. Fitment can vary by engine package and serial number.

  • Part: Alternator
  • Voltage / Output: 12V / 65A
  • Regulator: Internal
  • Pulley: 6-groove serpentine (approx. 50 mm)
  • Primary fitment (per supplier): MerCruiser Cummins Diesel EI 165, 250, 300 & ES 165, 250, 300 (2.8L & 4.2L)
  • OEM cross-references: MerCruiser/Mercury 807653T (also referenced as 807653, 807653F2, 807653R01)
  • Aftermarket reference: Recmar REC807653T
  • Notes: OEM 807653T is also commonly listed for select GM-based MerCruiser V6/V8 EFI engines with a serpentine belt; verify by exact part number and your engine documentation.

Compatibility notice: Always confirm fitment by engine model/serial number and the reference number on the alternator being replaced before purchase.

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.

Notice: Due to ongoing conflicts impacting logistics, some deliveries or re-stocking may take a little longer than expected. We're working to get your order to you as quickly as possible.
MerCruiser/Mercury EI/ES 2.8 & 4.2L 65A Alternator, Ref 807653T | Recmar REC807653T

£157.44 GBP

  • Largest parts catalogue in the UK

    Explore over 50,000 marine parts, all in one place.

  • Secure and safe shopping

    Your personal data is protected with SSL encryption.

  • Best prices on the internet

    We compare prices daily to ensure you get the best deal.

  • Satisfaction Guarantee

    We stand behind every product with a full satisfaction guarantee.