---
product_id: 129907939
title: "THUNDERBOLT Distributor Cap and trigger wheel Rotor Kit with gasket and screws for Mercruiser 5.0, 5.7, 7.4, 8.2 5.0L 5.7L 7.4L 8.2L V8 engines 805759Q3, 805759T3 18-5935."
brand: "rps"
price: "NT$1788"
currency: TWD
in_stock: true
reviews_count: 8
url: https://www.desertcart.tw/products/129907939-thunderbolt-distributor-cap-and-trigger-wheel-rotor-kit-with-gasket
store_origin: TW
region: Taiwan
---

# Precision brass terminals for optimal conductivity Complete kit with cap, rotor, gasket & screws Fits Mercruiser V8 engines (5.0L to 8.2L) with Thunderbolt ignition THUNDERBOLT Distributor Cap and trigger wheel Rotor Kit with gasket and screws for Mercruiser 5.0, 5.7, 7.4, 8.2 5.0L 5.7L 7.4L 8.2L V8 engines 805759Q3, 805759T3 18-5935.

**Brand:** rps
**Price:** NT$1788
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your Mercruiser’s heart with precision power!

## Quick Answers

- **What is this?** THUNDERBOLT Distributor Cap and trigger wheel Rotor Kit with gasket and screws for Mercruiser 5.0, 5.7, 7.4, 8.2 5.0L 5.7L 7.4L 8.2L V8 engines 805759Q3, 805759T3 18-5935. by rps
- **How much does it cost?** NT$1788 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/129907939-thunderbolt-distributor-cap-and-trigger-wheel-rotor-kit-with-gasket)

## Best For

- rps enthusiasts

## Why This Product

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

## Key Features

- • **All-in-One Upgrade:** Includes distributor cap, rotor, gasket, and screws for a hassle-free installation
- • **Premium Conductivity:** Brass terminals ensure superior electrical flow for reliable ignition performance
- • **Effortless Compatibility:** Seamlessly fits all GM-based Thunderbolt ignition V8 engines from the 1980s onward
- • **OEM Quality, Smart Price:** Get genuine-grade parts without the premium OEM cost—upgrade your engine smartly
- • **Built for Watercraft Power:** Designed specifically for Mercruiser V8 engines, ensuring marine-grade durability and performance

## Overview

This RPS Thunderbolt Distributor Cap and Rotor Kit is engineered for Mercruiser V8 engines (5.0L to 8.2L) featuring Thunderbolt I and IV ignition systems. The kit includes a high-quality distributor cap with brass terminals, rotor, gasket, and screws, delivering OEM-level performance and durability at a fraction of the cost. Perfect for marine enthusiasts seeking reliable ignition upgrades compatible with GM-based engines from the early 1980s onward.

## Description

THUNDERBOLT Distributor Cap and trigger wheel Rotor Kit with gasket and screws for Mercruiser 5.0, 5.7, 7.4, 8.2 5.0L 5.7L 7.4L 8.2L V8 engines 805759Q3, 805759T3 18-5935.

## Features

- New Distributor cap and rotor kit for Mercruiser V8 engines with Thunderbolt I and IV Ignition systems
- Compatible with 805759Q3. Fits all GM based engines with Thunderbolt ignition systems from early 1980's and newer
- Replaces Part# 805759Q3, 805759T3 18-5935.
- Includes: Cap with quality brass terminials, Rotor, Gasket, and screws
- OEM QUALITY WITHOUT OEM PRICE!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | RPS |
| Color | Black |
| Material | Brass |
| Vehicle Service Type | Watercraft |
| Closure Type | Twist-On |
| Manufacturer | RPS |
| Style | Modern |
| UPC | 701649134711 |
| Item Weight | 14.9 ounces |
| Package Dimensions | 5.31 x 4.57 x 4.25 inches |
| Item model number | 805759Q3, 805759T3 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | unknown |

## Product Details

- **Brand:** RPS
- **Color:** Black
- **Material:** Brass
- **Vehicle Service Type:** Watercraft
- **Closure Type:** Twist-On

## Images

![THUNDERBOLT Distributor Cap and trigger wheel Rotor Kit with gasket and screws for Mercruiser 5.0, 5.7, 7.4, 8.2 5.0L 5.7L 7.4L 8.2L V8 engines 805759Q3, 805759T3 18-5935. - Image 1](https://m.media-amazon.com/images/I/811ST4VVXlL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Tight fit
*by J***R on October 17, 2024*

Cap is well made, once i cut ( yes drill and cut) the old screws off, i pulled the dist and drilled and tapped the original distributor body, cap fit is tight and thats good. Want watertight!

### ⭐⭐⭐⭐⭐ Quality is good
*by D***R on July 25, 2024*

It was a little tight to fit over distributor but that’s good it helps keeping sparks inside

### ⭐⭐⭐⭐⭐ Great kit
*by J***. on April 1, 2025*

Great kit for 7.4 mercruiser MPI engine

## Frequently Bought Together

- THUNDERBOLT Distributor Cap and trigger wheel Rotor Kit with gasket and screws for Mercruiser 5.0, 5.7, 7.4, 8.2 5.0L 5.7L 7.4L 8.2L V8 engines 805759Q3, 805759T3 18-5935.
- Replacement Inboard Ignition Coil - Compatible with MerCruiser Thunderbolt IV and V Ignition Systems with HEI - Replaces 18-5438, 392-805570A2, 392-7803A4, 392-805570A1, 72115, 40511
- Quicksilver 802893Q01 Water Separating Fuel Filter for Mercury and Mariner Outboards and MerCruiser Stern Drive and Inboard Engines

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**Shop now:** [https://www.desertcart.tw/products/129907939-thunderbolt-distributor-cap-and-trigger-wheel-rotor-kit-with-gasket](https://www.desertcart.tw/products/129907939-thunderbolt-distributor-cap-and-trigger-wheel-rotor-kit-with-gasket)

---

*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-06-23*