Description
The ARCO Marine Premium Replacement Ignition Coil (Part # IG012) is specifically designed as a direct replacement component for 1998–2006 Mercury outboard engines. This marine-grade coil is engineered to provide precise spark delivery and consistent performance across varying water conditions.
Product Features & Specifications
- Engine Compatibility: Fits 1998–2006 Mercury outboard models including 135, 200, 225, 250, and 300 HP configurations.
- OEM Cross-References: Replaces Mercury factory parts 339-850227 and 339-856991A1, as well as Sierra 18-5187 and CDI Electronics 184-0005.
- Warranty Protection: Includes the ARCO Assurance 12-month parts and labor warranty.
Mercury Ignition Coils Overview
| Product Model | Target Engine Application | Cross-Reference Replaces |
| ARCO IG012 | 1998–2006 Mercury Outboards (135–300 HP) | Mercury 339-850227 / 339-856991A1 |
| ARCO IG002 | 1970–2006 Mercury Outboards (Smaller 6–225 HP variants) | Mercury 339-832757A4 / 7370A8 |
| ARCO IG005 | 2004–2018 Mercury Outboards (75–400 HP) | Mercury 339-880615T01 |
| ARCO IG010 | 2005–Present Mercury DFI Outboards (110–250 HP) | Mercury 300-8M0077471 / 339-879984A1 |
*ARCO Assurance 12-month part and labor warranty protection
Warranty Information
When properly installed, all ARCO products are warrantied against defects in materials and workmanship for 12 months for leisure use and 90 days for commercial or racing applications.Add an extra year of warranty to your rotating electric ARCO product (Tilt/Trim Motors, Alternators, Outboard Starters, and Inboard Starters) when you register your product within 30 days of purchase. You can register your product by visiting arcomarine.com/product-registration.
Specifications
- Customer Service / Tech Support:
- This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
