Water Hose Bushing Installation Tool – Fits Mercruiser Bravo & Blackhawk Drives (Replaces 91-8M0092758, 90540)

Water Hose Bushing Installation Tool – Fits Mercruiser Bravo & Blackhawk Drives

This specialized tool is designed for installing the rubber bushing for the water tube/water hose assembly in Mercruiser Bravo and Blackhawk series stern drives. It is used to securely hold the rubber bushing within the gimbal housing during maintenance, ensuring proper alignment and seating of the water hose.

This tool is a direct replacement for Mercury part number 91-8M0092758 and GLM 90540, offering a reliable alternative for drive servicing.

• Application: Temporarily holds the rubber bushing during water tube insertion.
• Compatibility: Fits all Mercruiser Bravo and Blackhawk series drives.
• Included Hardware: Comes with the necessary mounting screws for immediate use.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Technical Specifications

Package Contents

• 1 x Bushing Retaining Tool Kit (Replaces 91-8M0092758, 90540)
• 2 x Screws (0.25 x 20 x 1.00)

Installation Guide

1. Place the new rubber bushing into the gimbal housing.
2. Install the bushing retaining tool over the bushing to hold it in place.
3. Turn the two included screws 1-2 turns, just enough to secure the tool and support the bushing.
4. With the bushing held securely, insert the plastic end of the water hose assembly until its rib seats inside the rubber bushing's recessed area.
5. Confirm proper initial insertion: the end of the water hose should be flush with the surface of the retaining tool.
6. Tighten the retaining tool screws to press the bushing into its final seated position. Torque the screws to 2.3 Nm (20.3 lb-in).
7. Remove the bushing retainer tool from the gimbal housing.
8. Verify the final installation: the plastic portion of the water hose should now protrude approximately 6 mm (0.25 in.) beyond the rubber bushing.

Troubleshooting & FAQ

Q: How do I know if this tool will work with my Mercruiser drive?
A: This tool is specifically designed for all Mercruiser Bravo and Blackhawk series stern drives. It is a direct replacement for Mercury part number 91-8M0092758 and GLM 90540. Please verify your drive model before purchasing.

Q: What is this tool used for?
A: This is an installation tool used to temporarily hold the rubber water hose bushing in the gimbal housing. This allows for the correct insertion and seating of the water tube without damaging the bushing, which is a common issue without the tool.

Q: Do I need to torque the screws during installation?
A: Yes. After the water tube is positioned correctly within the bushing, the retaining tool's screws must be tightened to a torque of 2.3 Nm (20.3 lb-in). This action presses the bushing into its final, properly seated position. Once seated, the tool can be removed.

Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.