---
product_id: 402586917
title: "Distributor Cap and Ignition Rotor Kit Replacement for 3.0L 4cyl MerCruiser Engines Made by General Motors with Delco EST Ignition Systems - Replace 811635Q2, 18-5280 - Delco 4 Cylinder Tune Up Kit"
brand: "tutor auto"
price: "¥5977"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/402586917-distributor-cap-and-ignition-rotor-kit-replacement-for-3-0l
store_origin: JP
region: Japan
---

# Solid brass contacts for max conductivity Direct fit for easy, no-fuss installation Durable PBT & PET plastics resist wear Distributor Cap and Ignition Rotor Kit Replacement for 3.0L 4cyl MerCruiser Engines Made by General Motors with Delco EST Ignition Systems - Replace 811635Q2, 18-5280 - Delco 4 Cylinder Tune Up Kit

**Brand:** tutor auto
**Price:** ¥5977
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Distributor Cap and Ignition Rotor Kit Replacement for 3.0L 4cyl MerCruiser Engines Made by General Motors with Delco EST Ignition Systems - Replace 811635Q2, 18-5280 - Delco 4 Cylinder Tune Up Kit by tutor auto
- **How much does it cost?** ¥5977 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/402586917-distributor-cap-and-ignition-rotor-kit-replacement-for-3-0l)

## Best For

- tutor auto enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Fit:** Direct replacement designed to match OEM specs perfectly—no modifications needed.
- • **Risk-Free Upgrade:** Backed by a 12-month hassle-free warranty—confidence in every drive.
- • **Trusted Compatibility:** Fits 3.0L 4cyl MerCruiser GM engines with Delco EST ignition systems (1990+).
- • **Engineered for Endurance:** High-strength PBT and PET plastics provide superior durability and resistance to wear.
- • **Precision Power Delivery:** Solid brass contacts ensure flawless spark transfer for peak engine performance.

## Overview

This Distributor Cap and Ignition Rotor Kit by Tutor Auto is a premium direct-fit replacement for 3.0L 4-cylinder MerCruiser engines with Delco EST ignition systems (1990 and newer). Crafted from durable PBT and PET plastics with solid brass contacts, it ensures reliable spark distribution and long-lasting performance. Easy to install and backed by a 12-month warranty, it’s engineered to meet or exceed OEM standards for seamless engine tune-ups.

## Description

Distributor Cap and Ignition Rotor Kit Replacement for 3.0L 4cyl MerCruiser Engines Made by General Motors with Delco EST Ignition Systems - Replace 811635Q2, 18-5280 - Delco 4 Cylinder Tune Up Kit

## Features

- REPLACEMENT DISTRIBUTOR CAP & IGNITION ROTOR KIT - A distributor cap is a removable component that is used in spark ignition systems to cover both the distributor and the rotor. It cover these components, and keep them from contamination, it is also responsible for helping to distribute electrical current from an ignition coil to a set of spark plugs. You will find that the contacts inside the cap wear easily and it must be replaced along with the rotor for the engine to run smoothly.
- PREMIUM QUALITY - This cap is constructed from PBT and PET plastics for increased strength, stiffness. The solid brass contacts help settle wear related failures and provides excellent conductivity. We warranty it's high quality and all parts are hand inspected off the line before packaging and once again by our team before shipment.
- REPLACES PART # - 811635Q2, 811635Q1, 811635T2, 18-5280, 986643, 986651, Mallory 9-29320, GLM 71830. This is replacement for 3.0L 4cyl MerCruiser Engines made by General Motors with Delco EST ignition systems, 1990 and newer. Please check part numbers to ensure proper fit when you purchase.
- DIRECT FIT - Direct replacement for a proper fit and easy installation, quality materials used, meets or exceeds OEM standards, While this is not a genuine MERCURY part, it is a direct replacement and it will fit and work exactly like the factory part.
- 12-MONTH WARRANTY - Order from Tutor Auto, we offer 12 month warranty, true hassle-free shopping experience. If for any reason at all, you are not fully satisfied with this Cap and rotor kit, you can rely on our service of free REPLACEMENT or REFUND.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Tutor Auto |
| Brand | Tutor Auto |
| Package Dimensions | 12.4 x 11.1 x 9.7 cm; 20 g |
| Item model number | 811635Q2 |
| Exterior | Black |
| Manufacturer Part Number | 811635Q2 |
| Item Weight | 20 g |

## Product Details

- **Brand:** Tutor Auto
- **Colour:** Black
- **Material:** Metal, Plastic
- **Exterior finish:** Black
- **Vehicle service type:** Watercraft

## Images

![Distributor Cap and Ignition Rotor Kit Replacement for 3.0L 4cyl MerCruiser Engines Made by General Motors with Delco EST Ignition Systems - Replace 811635Q2, 18-5280 - Delco 4 Cylinder Tune Up Kit - Image 1](https://m.media-amazon.com/images/I/614HZdQGIYL.jpg)

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**Shop now:** [https://www.desertcart.jp/products/402586917-distributor-cap-and-ignition-rotor-kit-replacement-for-3-0l](https://www.desertcart.jp/products/402586917-distributor-cap-and-ignition-rotor-kit-replacement-for-3-0l)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-17*