Description
Mercury 88439A9 Positive Battery Cable Assembly
Mercury 88439A9 is a genuine 96-inch positive battery cable assembly for select Mercury and Mariner outboards. It provides the positive electrical connection between the starting battery and the engine’s starter electrical system.
Key Features
- Genuine Mercury Marine replacement positive battery cable assembly
- 96-inch overall cable length
- Red cable identification for the positive battery circuit
- Factory-style terminals for the specified engine applications
- Designed for marine outboard starting-system service
Applications
Fits select Mercury and Mariner outboards that specify battery cable assembly 88439A9, including applications within these engine families:
- 15 hp outboards
- 25 hp carbureted and four-stroke outboards
- 30 hp two-cylinder, three-cylinder, carbureted, EFI, four-stroke and Jet models
- 40 hp two-cylinder and three-cylinder models
- 40 hp carbureted, EFI, four-stroke, Jet and Italy models
- 45 Jet and 45 Bodensee four-stroke models
- 50 hp three-cylinder, four-stroke, BigFoot and EFI models
- 55 hp three-cylinder models
- 60 hp three-cylinder, BigFoot, four-stroke, EFI and Formula 60 models
This cable is used across numerous model and serial-number ranges and is not universal for every 15–60 hp outboard. Confirm part number 88439A9 in the applicable parts catalog using the engine serial number before ordering.
Product Details
- Brand: Mercury
- Part number: 88439A9
- Mercury-prefixed part number: 84-88439A9
- Cable type: Positive battery cable assembly
- Length: 96 inches (8 feet)
- UPC: 745061203884
- Package quantity: 1
What’s Included
One positive battery cable assembly. Related negative cables, fasteners, boots and electrical components are sold separately unless specifically included with another kit.
Installation Note
Disconnect the battery before servicing the starting system. Follow the applicable Mercury service manual for cable routing, terminal attachment and tightening specifications.

