Premium 12V 65A Replacement for Mercruiser & Marine Systems
Upgrade your vessel's charging system with this heavy-duty ADR0438 marine alternator. Specifically engineered for the demanding marine environment, this unit is a direct-fit replacement for Mercruiser V6 and V8 engines. It features SAE J1171 Ignition Protection, ensuring safe operation in engine compartments where fuel vapors may be present.
RELIABILITY: 100% Brand New components. Built to meet or exceed original Delco and Mercury Marine specifications for consistent voltage output and long-term durability.
Key Features
✔ Marine Certified: SAE J1171 Ignition Protected
✔ Direct Fit: No modifications required for 2001+ Mercruiser
✔ High Efficiency: 65 Amp output for steady charging
✔ Pre-Installed Pulley: Includes 6-groove serpentine pulley
Technical Specs
Voltage:
12V
Amperage:
65A
Rotation:
CW (Clockwise)
Pulley:
6-Groove Serpentine
Regulator:
Internal (IR)
Fan:
Internal (IF)
Compatibility / Fitment Guide
Make
Engine / Application
Year/Notes
Mercruiser
4.3L, 5.0L, 5.7L, 6.2L V6 & V8
2001 & Newer
Mercruiser
496 Magnum & HO Engines
MCM Series
Mercruiser
8.1L & HO Inboard Engines
MIE Series
Mercruiser
Black Scorpion / MX 6.2L BS
MPI Models
OEM Cross Reference
Mercury Marine:
863077T, 863077T01, 863077-1
Delco:
19020611, 8000108
Sierra Marine:
18-5984
Lester / Wilson:
8460 / 90-27-3314
Questions & Answers
Is this a genuine original part?
This is a premium quality aftermarket replacement part from 4Drive, manufactured to meet or exceed original equipment (OE) standards for marine performance and safety.
How do I know if it is compatible?
Check your existing part number. If it matches 863077T or 19020611, this is a guaranteed direct replacement. This unit is specifically for serpentine belt systems.
Does it come with the pulley installed?
Yes, this alternator arrives with a 6-groove serpentine pulley (approximately 51mm diameter) pre-installed and ready for belt mounting.
Note: Professional installation is recommended for marine electrical components. Please verify your serial number against the fitment guide at 4drive.co.uk before purchase.
