---
product_id: 100416372
title: "Engine Alignment Bar Grease Seal Hinge Pin Tool Bellows Retainer Ring Installer Gimbal Bearing Install Tool Kit for Mercruiser Alpha 1 Gen 2 Bravo OMC"
brand: "mbs mfg"
price: "R4781"
currency: ZAR
in_stock: true
category: "Mbs Mfg"
url: https://www.desertcart.co.za/products/100416372-engine-alignment-bar-grease-seal-hinge-pin-tool-bellows-retainer
store_origin: ZA
region: South Africa
---

# Fits MerCruiser, Volvo SX & OMC Cobra 5 professional-grade tools in one kit 100% USA CNC precision Engine Alignment Bar Grease Seal Hinge Pin Tool Bellows Retainer Ring Installer Gimbal Bearing Install Tool Kit for Mercruiser Alpha 1 Gen 2 Bravo OMC

**Brand:** mbs mfg
**Price:** R4781
**Availability:** ✅ In Stock

## Summary

> 🛥️ Align Like a Pro, Sail with Confidence!

## Quick Answers

- **What is this?** Engine Alignment Bar Grease Seal Hinge Pin Tool Bellows Retainer Ring Installer Gimbal Bearing Install Tool Kit for Mercruiser Alpha 1 Gen 2 Bravo OMC by mbs mfg
- **How much does it cost?** R4781 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/100416372-engine-alignment-bar-grease-seal-hinge-pin-tool-bellows-retainer)

## Best For

- mbs mfg enthusiasts

## Why This Product

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

## Key Features

- • **OEM Compatibility:** Direct fit for MerCruiser, Volvo SX & OMC Cobra models with exact OEM part replacements.
- • **Durable & Reliable:** Made in the USA with rigorous 100% quality inspection for long-lasting marine-grade durability.
- • **Complete 5-Tool Set:** All essential installation & removal tools bundled for MerCruiser Alpha, Bravo & OMC drives.
- • **Precision Engine Alignment:** CNC-machined 1045 steel bar ensures flawless outdrive alignment for peak performance.
- • **Easy Seal & Bearing Installation:** Specialized tools guarantee straight, damage-free grease seal and gimbal bearing installs.

## Overview

This USA-made 5-piece professional tool kit features CNC-machined steel and PVC components designed for precise engine alignment, grease seal, gimbal bearing, hinge pin, and bellow retainer installations. Compatible with MerCruiser Alpha, Bravo, Pre-Alpha, Volvo SX, and OMC Cobra sterndrives, it replaces multiple OEM parts and ensures flawless marine drive maintenance with unmatched durability and exact fit.

## Description

This is a set of FIVE Tools: Engine Alignment Tool; Drive Shaft Bellow Sleeve Installation Tool (PVC Plastic); Gimbal Bearing Installation Tool; Grease Seal Installation Tool; Hinge Pin Tool (91-78310). Engine Alignment Bar Tool compatible with MerCruiser Sterndrives including Pre Alpha, Alpha 1 Gen 2, MR, R, all MerCruiser Bravo. Compatible with Volvo SX and OMC Cobra Drives. This Tool will correctly align all OMC Cobra and Mercruiser Outdrives with the exception of the Mercruiser TR and TRS Outdrive Models. Interchange Part Numbers: Compatible with MerCruiser - P/N 91-805475A1 & 91-57797A3; Compatible with Volvo SX - P/N 3851083; Compatible with OMC Cobra - P/N 18-4442 The length of the Alignment bar is 23-5/8 inch. Tool is made from high quality 1045 Steel. Alignment Tool Comes Without Black Oxide Coating. According to MerCruiser service bulletin No 92-9, the alignment tool must have the following sizes from front to back: 1.010" diameter, 2.200" long (section that fits into coupler), 1.150" diameter, 2.750" long, and 1.375" diameter rest of the bar (section that fits gimbal bearing inside diameter). We test all of our tools for this fit at the shop, using precision gauges and measuring tools. The Bellow Ring/ Retainer Sleeve Installation Tool made of PVC Plastic. Drive shaft bellow sleeve installation tool helps install the aluminum ring into the Alpha 1 Generation 2, Bravo, Blackhawk U-Joints Bellows. Replaces OEM part number #91-818162. Gimbal Bearing Installation Tool. This tool is compatible with OMC Cobras, Bravos, #1 Drives made from 1966 to current makes, including the Pre Alpha (R), Alpha 1 MR, and Generation 2. You will need the outdrive coupler alignment tool to use this tool. Note: This requires a hole drilled in your alignment tool. We cannot pre-drill these as different manufacturers make the mounts in different places. The tool comes with directions on where to drill the hole in the alignment tool for correct lineup. Grease Seal Installation Tool. Used on all Mercruiser #1 Drives, Pre Alpha (R), Alpha One (MR), Generation 2, All Bravos, and OMC Cobra boat. This seal installer will allow you to drive the grease seal in straight for proper installation. You will need the outdrive coupler alignment tool to install the grease seal. Hinge Pin Tool (91-78310). This tool is used on the hinge pin bolt and separates the housing from the gimbal ring. This tool is compatible with MerCruiser Sterndrives: Alpha One, Alpha One Generation Two, Bravo One, Bravo Two, Bravo Three, R, MP, MC-1. Replaces OEM part number #91-78310. All our automotive tools are professionally made in the United States on state of the art CNC equipment with 100% quality inspection.

## Features

- MADE IN USA: All tools are professionally made in the United States on the state of the art CNC equipment with 100% quality inspection. THIS IS A SET OF FIVE (5) TOOLS: Engine Alignment Tool; Drive Shaft Bellow Sleeve Installation Tool (PVC Plastic); Gimbal Bearing Installation Tool; Grease Seal Installation Tool; Hinge Pin Tool (OEM 91-78310).
- ENGINE ALIGNMENT BAR TOOL: Compatible with MerCruiser Sterndrive including Pre-Alpha "R", Alpha One "MR", Generation II, all Bravo's, fit for Volvo SX and OMC Cobra motor. This Tool will correctly align all OMC Cobra and Mercruiser Outdrive with the exception of the Mercruiser TR and TRS Outdrive Models. This Tool Interchange Part Numbers: Compatible with MerCruiser - P/N 91-805475A1 & 91-57797A3. Compatible with Volvo SX - P/N 3851083. Compatible with OMC Cobra - P/N 18-4442.
- GIMBAL BEARING INSTALLATION TOOL: This tool compatible with OMC Cobras, Bravos, #1 Drives made from 1966 to Current makes, including the Pre Alpha (R), Alpha 1 “MR” and Generation 2. This requires a hole drilled in your alignment tool. We cannot pre-drill these as different manufacturers make the mount in different places.
- GIMBAL BEARING GREASE SEAL INSTALLATION TOOL: This tool is designed for Mercruiser Bravo, OMC Cobra, Pre Alpha (R), Alpha 1 (MR), Generation 2, All #1 Drives from 1966 to the present. This seal installer will allow you to drive the grease seal in straight for proper installation.
- HINGE PIN TOOL (OEM 91-78310): Compatible with MerCruiser Sterndrives: Alpha One, Alpha One Generation Two, Bravo One, Bravo Two, Bravo Three, R, MP, MC-1. BELLOW RING/ RETAINER SLEEVE INSTALLATION TOOL: Made from PVC Plastic. Drive Shaft Bellow Sleeve Installation Tool compatible with Alpha 1 Generation 2, Bravo, Blackhawk U-Joints Bellows. This Bellow Retainer Ring Sleeve Installation Tool is an aftermarket OEM part that replaces Mercury Marine 91-818162.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07C3RLC7X |
| Brand | MBS Mfg |
| Date First Available | April 11, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 13.43 pounds |
| Manufacturer | MBS Manufacturing Inc |
| Manufacturer Part Number | MEATNR-E28 5 Piece Set |
| Package Dimensions | 24.5 x 5.25 x 4.75 inches |

## Images

![Engine Alignment Bar Grease Seal Hinge Pin Tool Bellows Retainer Ring Installer Gimbal Bearing Install Tool Kit for Mercruiser Alpha 1 Gen 2 Bravo OMC - Image 1](https://m.media-amazon.com/images/I/51UQIdPFkAL.jpg)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-11*