# ARCO Marine Premium Replacement Ignition Sensor f/Mercruiser Outboard Engines [IG001]

**Premium Replacement Ignition Sensor for Mercruiser Outboard Engines**

This ignition sensor fits GM V-6 & V-8 Engines with Thunderbolt IV and V Ignition.

**Replaces:**

-   MERCRUISER Ignition Sensor 87-892150Q02
-   MERCRUISER Ignition Sensor 892150A02
-   MERCRUISER Ignition Sensor 861780A2
-   MERCRUISER Ignition Sensor 91019A6
-   MERCRUISER Ignition Sensor 861780Q4
-   MERCRUISER Ignition Sensor 861780A4
-   MERCRUISER Ignition Sensor 91019A3
-   MERCRUISER Ignition Sensor 91019A2
-   SIERRA Ignition Sensor 18-5116-1 

\*ARCO Assurance 12-month part and labor warranty protection  

**This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.**

## Details

- **Price:** 75.99 USD
- **Type:** Accessories
- **Tags:** 1st Class Eligible, Brand_ARCO Marine, Clearance, Engine Parts & Service, Engine Parts & Service | Accessories, Engine Parts & Service | Ignition Coils, Specials

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 75.99 USD | In stock |

## Images

- ARCO Marine Premium Replacement Ignition Sensor f/Mercruiser Outboard Engines [IG001] ARCO Marine

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> Source: [Besafe1st](https://besafe1st.com/products/arco-marine-premium-replacement-ignition-sensor-f-mercruiser-outboard-engines-ig001)
> Updated: 2026-05-21