---
product_id: 63612221
title: "Outdrive Coupler Engine Alignment Bar Gimbal Bearing Alignment Tool Fit for Mercury MerCruiser 91-805475A1 Alpha 1 Gen 2, Bravo, SX, OMC Cobra 18-4442"
brand: "mbs mfg"
price: "$237.39"
currency: USD
in_stock: true
reviews_count: 8
category: "Mbs Mfg"
url: https://www.desertcart.us/products/63612221-outdrive-coupler-engine-alignment-bar-gimbal-bearing-alignment-tool-fit
store_origin: US
region: United States of America
---

# Exact 23.6-inch length for perfect fit Precision CNC-machined 1045 steel Made in USA with 100% quality inspection Outdrive Coupler Engine Alignment Bar Gimbal Bearing Alignment Tool Fit for Mercury MerCruiser 91-805475A1 Alpha 1 Gen 2, Bravo, SX, OMC Cobra 18-4442

**Brand:** mbs mfg
**Price:** $237.39
**Availability:** ✅ In Stock

## Summary

> ⚓ Align like a pro, sail with confidence!

## Quick Answers

- **What is this?** Outdrive Coupler Engine Alignment Bar Gimbal Bearing Alignment Tool Fit for Mercury MerCruiser 91-805475A1 Alpha 1 Gen 2, Bravo, SX, OMC Cobra 18-4442 by mbs mfg
- **How much does it cost?** $237.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/63612221-outdrive-coupler-engine-alignment-bar-gimbal-bearing-alignment-tool-fit)

## 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

- • **Proudly Made in USA:** Support quality and reliability with American craftsmanship
- • **CNC Machined Accuracy:** State-of-the-art manufacturing guarantees exact specs
- • **Universal Compatibility:** Fits MerCruiser, Volvo SX, and OMC Cobra sterndrives
- • **Durable Steel Construction:** Crafted from high-grade 1045 steel for long-lasting use
- • **Precision Engine Alignment:** Ensures flawless stern drive-to-engine fit every time

## Overview

This premium Engine Alignment Tool is engineered for precise stern drive-to-engine alignment on most MerCruiser, Volvo SX, and OMC Cobra sterndrives. Made from durable 1045 steel and CNC-machined in the USA, it guarantees exact fitment and long-term reliability, making it an essential tool for professional marine mechanics and serious boat owners alike.

## Description

Engine Alignment Tool New Engine Alignment Tool that can be used on most stern drives to align the drive to the engine during installation. Mercruiser Alignment Tool compatible with MerCruiser Sterndrives including Pre Alpha, Alpha 1 Gen 2, MR, R, all Bravo compatible with Volvo SX and OMC Cobra Drives. OEM Tools:Fit for MerCruiser P/N 91-805475A1 & 91-57797A3; Fit for Volvo SX P/N 3851083; Fit for OMC Cobra Part N 18-4442. This tool will correctly align all OMC Cobra and Mercruiser Outdrives motor with the exception of the Mercruiser TR and TRS Outdrive Models. Material: High quality 1045 Steel. Length: Approximately 23-5/8 inch. Alignment Tool comes without black oxide coating. The tool is professionally made in the United States on state-of-the-art CNC equipment with 100% quality inspection. Tool Specs: 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; 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. All our automotive tools are made from high-quality materials and are designed for long-life durability and ease of use in boat repair.

Review: Great tool needs a instruction sheet but works awesome - Great tool needs a instruction sheet but works awesome
Review: Works great! - Works as expected. Only issue is, one does not need it very often if one isn't a boat mechanic!

## Features

- NEW ENGINE ALIGNMENT TOOL: Can be used on most stern drives to align the drive to the engine during installation.
- APPLICATION: Engine Alignment 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. New Engine Alignment Tool that can be used on most sterndrive to align the drive to the engine during installation. NOTE: 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 OEM P/N 91-805475A1 & 91-57797A3. Compatible with Volvo SX P/N 3851083. Compatible with OMC Cobra P/N 18-4442.
- MATERIAL: Tool is made from high quality 1045 Steel. The length of the bar is approximately 23-5/8 inch. Alignment Tool Comes Without Black Oxide Coating.
- MADE IN USA: This marine tool is professionally made in the United States on the state of the art CNC equipment with 100% quality inspection.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07C6JP21M |
| Best Sellers Rank | #697,458 in Automotive ( See Top 100 in Automotive ) #382 in Automotive Replacement Engine Camshafts & Parts |
| Brand | MBS Mfg |
| Customer Reviews | 4.5 4.5 out of 5 stars (181) |
| Date First Available | April 15, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 9.12 pounds |
| Manufacturer | MBS Manufacturing Inc |
| Manufacturer Part Number | MEATNR-E28 |
| Product Dimensions | 24 x 1.5 x 1.5 inches |

## Images

![Outdrive Coupler Engine Alignment Bar Gimbal Bearing Alignment Tool Fit for Mercury MerCruiser 91-805475A1 Alpha 1 Gen 2, Bravo, SX, OMC Cobra 18-4442 - Image 1](https://m.media-amazon.com/images/I/51B--KkP6GL.jpg)
![Outdrive Coupler Engine Alignment Bar Gimbal Bearing Alignment Tool Fit for Mercury MerCruiser 91-805475A1 Alpha 1 Gen 2, Bravo, SX, OMC Cobra 18-4442 - Image 2](https://m.media-amazon.com/images/I/51Dp8LQ5KqL.jpg)
![Outdrive Coupler Engine Alignment Bar Gimbal Bearing Alignment Tool Fit for Mercury MerCruiser 91-805475A1 Alpha 1 Gen 2, Bravo, SX, OMC Cobra 18-4442 - Image 3](https://m.media-amazon.com/images/I/51DvVZg47gL.jpg)
![Outdrive Coupler Engine Alignment Bar Gimbal Bearing Alignment Tool Fit for Mercury MerCruiser 91-805475A1 Alpha 1 Gen 2, Bravo, SX, OMC Cobra 18-4442 - Image 4](https://m.media-amazon.com/images/I/51cHK5liu8L.jpg)
![Outdrive Coupler Engine Alignment Bar Gimbal Bearing Alignment Tool Fit for Mercury MerCruiser 91-805475A1 Alpha 1 Gen 2, Bravo, SX, OMC Cobra 18-4442 - Image 5](https://m.media-amazon.com/images/I/51iCeDxk0ML.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great tool needs a instruction sheet but works awesome
*by J***. on October 21, 2020*

Great tool needs a instruction sheet but works awesome

### ⭐⭐⭐⭐⭐ Works great!
*by G***Y on January 7, 2025*

Works as expected. Only issue is, one does not need it very often if one isn't a boat mechanic!

### ⭐⭐⭐⭐⭐ Works great
*by J***N on June 17, 2020*

Works just as well as a more expensive factory tool. Keep the business end lightly oiled and store away from the elements to prevent rust formation.

## Frequently Bought Together

- Outdrive Coupler Alignment Bar, Engine Alignment Tool, Alignment Tool for MerCruiser 91-805475A1, Mercury, Alpha 1 Gen 2, Bravo, SX, OMC Cobra 18-4442
- Quicksilver 86166Q1 Bellows Adhesive – Resistant to Oil, Grease, Gasoline and Water – 1.5 oz Tube
- Quicksilver 16755Q1 Bell Housing Installation Gasket Kit for MerCruiser Bravo Drives, 1-Set

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-25*