---
product_id: 77194289
title: "B. Ignition Sensor Kit for MerCruiser Thunderbolt I IV Distributor"
brand: "b. toys"
price: "€ 52.35"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.fi/products/77194289-b-ignition-sensor-kit-for-mercruiser-thunderbolt-i-iv-distributor
store_origin: FI
region: Finland
---

# Fits V-6 & V-8 Thunderbolt IV & V engines Compact 3x3x4 inch modern design OEM spec replacement, 100% compatible B. Ignition Sensor Kit for MerCruiser Thunderbolt I IV Distributor

**Brand:** b. toys
**Price:** € 52.35
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your engine’s potential with precision power!

## Quick Answers

- **What is this?** B. Ignition Sensor Kit for MerCruiser Thunderbolt I IV Distributor by b. toys
- **How much does it cost?** € 52.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/77194289-b-ignition-sensor-kit-for-mercruiser-thunderbolt-i-iv-distributor)

## Best For

- b. toys enthusiasts

## Why This Product

- Trusted b. toys brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Legacy Fit:** Replaces multiple part numbers ensuring you never miss a beat on your MerCruiser Thunderbolt ignition system.
- • **OEM-Grade Reliability:** Meets and exceeds original equipment manufacturer specifications for flawless performance every time.
- • **Precision Engineering:** Compact and lightweight (3.2 oz) for optimal fit without compromising durability or function.
- • **Plug & Play Installation:** Designed for quick, hassle-free replacement—get your engine roaring back in no time.
- • **Universal Thunderbolt Compatibility:** Seamlessly fits all V-6 & V-8 engines from 1981-1997 with Thunderbolt IV & V ignition systems.

## Overview

The B. Ignition Sensor Kit is a precision-engineered replacement part designed for MerCruiser Thunderbolt IV & V electronic ignition systems, compatible with all V-6 and V-8 engines from 1981 to 1997. Compact and lightweight, it meets and exceeds OEM specifications, ensuring reliable, plug-and-play performance that keeps your marine engine firing flawlessly.

## Description

B. Ignition Sensor Kit for MerCruiser Thunderbolt I IV Distributor

## Features

- Fits all V-6 & V-8 engines with Thunderbolt IV & V electronic ignition, Approx 1981-1997
- Replaces: 87-892150Q02; 87-892150A02; 87-861780A2; 87-91019A6; 87-861780Q4; 87-861780A4; 87-91019A3; 87-91019A2
- Thunderbolt ignition systems were used on 4.3, 5.0, 5.7, 7.4, 8.2 engines
- Meets and exceeds oem specs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | B. toys |
| Item dimensions L x W x H | 3 x 3 x 4 inches |
| Style | Modern |
| Maximum Supply Voltage | 12 Volts (DC) |
| Output Type | Push Button |
| UPC | 701649132458 |
| Manufacturer | B.B. |
| Item Weight | 3.2 ounces |
| Product Dimensions | 3 x 3 x 4 inches |
| Item model number | Thunderbolt IV |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 43220-52713 |

## Product Details

- **Brand:** B. toys
- **Item dimensions L x W x H:** 3 x 3 x 4 inches
- **Style:** Modern
- **Maximum Supply Voltage:** 12 Volts (DC)
- **Output Type:** Push Button

## Images

![B. Ignition Sensor Kit for MerCruiser Thunderbolt I IV Distributor - Image 1](https://m.media-amazon.com/images/I/81OL-g6f70L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fast delivery!
*by K***. on May 26, 2025*

Great product!! Worked on my 89 Searay

### ⭐⭐⭐⭐⭐ Electrictronic
*by W***E on April 30, 2025*

Did solve my problem ended up buying a new marine Chevy distributor a lot cheaper and you can get parts for it any place

### ⭐⭐⭐⭐ 1989 5.7
*by T***M on October 29, 2024*

Worked fine on my 1989 5.7 Mercruiser

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**Shop now:** [https://www.desertcart.fi/products/77194289-b-ignition-sensor-kit-for-mercruiser-thunderbolt-i-iv-distributor](https://www.desertcart.fi/products/77194289-b-ignition-sensor-kit-for-mercruiser-thunderbolt-i-iv-distributor)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-07*