---
product_id: 56876482
title: "Distributor Cap and Rotor Tune up Kit for Mercruiser 4.3 Engines with Thunderbolt I and IV ignitions 815407Q5 815407Q02 815407A2 4.3L Mercury Marine"
brand: "boise boat works"
price: "€ 48.84"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/56876482-distributor-cap-and-rotor-tune-up-kit-for-mercruiser-4
store_origin: NL
region: Netherlands
---

# Durable brass terminals for long-lasting ignition Precision fit for Mercruiser 4.3L V6 Complete tune-up kit with cap, rotor & hardware Distributor Cap and Rotor Tune up Kit for Mercruiser 4.3 Engines with Thunderbolt I and IV ignitions 815407Q5 815407Q02 815407A2 4.3L Mercury Marine

**Brand:** boise boat works
**Price:** € 48.84
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your Mercruiser’s power with precision and reliability!

## Quick Answers

- **What is this?** Distributor Cap and Rotor Tune up Kit for Mercruiser 4.3 Engines with Thunderbolt I and IV ignitions 815407Q5 815407Q02 815407A2 4.3L Mercury Marine by boise boat works
- **How much does it cost?** € 48.84 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/56876482-distributor-cap-and-rotor-tune-up-kit-for-mercruiser-4)

## Best For

- boise boat works enthusiasts

## Why This Product

- Trusted boise boat works brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-in-One Tune-Up:** Includes distributor cap, rotor, gasket, and bolts—everything you need for a professional-grade ignition refresh.
- • **Premium Durability:** Brass terminals resist corrosion and wear, delivering reliable spark and peak engine efficiency every time.
- • **Lightweight & Compact:** At just 10 ounces and compact dimensions, it’s easy to handle and install without hassle.
- • **Trusted Brand Quality:** Manufactured by Boise Boat Works, a name synonymous with marine engine excellence and longevity.
- • **Seamless Compatibility:** Engineered specifically for Mercruiser 4.3L V6 Thunderbolt I & IV ignitions, ensuring flawless performance since 1985.

## Overview

This Distributor Cap and Rotor Tune-Up Kit by Boise Boat Works is a perfect OEM replacement for Mercruiser 4.3L V6 engines with Thunderbolt I and IV ignition systems from 1985 onward. The kit includes a distributor cap with corrosion-resistant brass terminals, rotor, gasket, and bolts, ensuring a complete and durable ignition system refresh that enhances engine performance and reliability.

## Description

New Distributor cap and rotor kit for Mercruiser V6 engines with Thunderbolt I and IV Ignition systems, 1985 and newer

## Features

- New Distributor cap and rotor kit for Mercruiser V6 engines with Thunderbolt I and IV Ignition systems
- Replaces Part #: 815407Q5, 815407A2, 18-5274, 9-29317
- Fits: All GM 4.3L V6 engines with Thunderbolt Ignition from 1985 and Up
- Includes: Cap with brass terminals, Rotor, Gasket, Bolts

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Boise Boat Works |
| Brand | Boise Boat Works |
| Item Weight | 10 ounces |
| Package Dimensions | 5.43 x 4.61 x 4.21 inches |
| Item model number | 43220-8411 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 43220-8411 |

## Images

![Distributor Cap and Rotor Tune up Kit for Mercruiser 4.3 Engines with Thunderbolt I and IV ignitions 815407Q5 815407Q02 815407A2 4.3L Mercury Marine - Image 1](https://m.media-amazon.com/images/I/61ZKwpm-+VL.jpg)
![Distributor Cap and Rotor Tune up Kit for Mercruiser 4.3 Engines with Thunderbolt I and IV ignitions 815407Q5 815407Q02 815407A2 4.3L Mercury Marine - Image 2](https://m.media-amazon.com/images/I/91i11KLZzBL.jpg)

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**Shop now:** [https://www.desertcart.nl/products/56876482-distributor-cap-and-rotor-tune-up-kit-for-mercruiser-4](https://www.desertcart.nl/products/56876482-distributor-cap-and-rotor-tune-up-kit-for-mercruiser-4)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-23*