Remanufactured & New 4-Cylinder 2-Stroke Mercury & Mariner Outboard Gearcases
At OBParts, explore our comprehensive selection of Mercury & Mariner 4‑Cylinder 2-Stroke Outboard Gearcases. Whether you're restoring or maintaining your outboard, we offer:
- New OBR Gearcases — precision-engineered replacements built with OEM & high-quality aftermarket parts.
- Remanufactured OBR Gearcases — OEM-quality-restored, cost-effective alternative.
- New SEI Gearcases — high-performance and durable OEM-style units with a three-year fault-free warranty.
Our gearcases are designed for seamless installation on Mercury & Mariner 4‑cylinder outboards. Benefit from expert support, warranty options, and a trusted network at OBParts.com. Get your gearcase solution today and stay on the water with confidence.
