Power Trim Tilt Hydraulic Ram Cylinder Hose Kit – Fits MerCruiser Alpha One Gen 2 & Bravo 1/2/3
This complete hydraulic hose kit is designed for a wide range of MerCruiser sterndrives, including Alpha One (Generation 1 and 2), R, MR, and Bravo (1, 2, and 3) models. It provides a reliable, direct-fit connection between the trim/tilt cylinders and the hydraulic connector block.
This kit is a direct replacement for Mercury/MerCruiser part numbers 32-864959 (Port), 32-864960 (Starboard), and 32-99904Q (Shorter hoses), as well as Sierra 18-2116.
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Complete Kit: Includes all four hoses required for a full system service.
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Durable Construction: Made with braided stainless steel housing for superior corrosion resistance and longevity.
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Direct Replacement: Engineered to match OEM specifications for a precise fit and hassle-free installation.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| Mercury / MerCruiser |
32-864959 |
| Mercury / MerCruiser |
32-864960 |
| Mercury / MerCruiser |
32-99904Q |
| Sierra |
18-2116 |
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.
| Brand |
Model |
Rated HP |
Stroke |
Years |
OEM Part No. |
Notes |
| MerCruiser |
Alpha One Gen 2 |
All |
4-Stroke |
1991 & Up |
32-864959 (Port), 32-864960 (Starboard) |
16-3/16" Length |
| MerCruiser |
Alpha One Gen 1 |
All |
4-Stroke |
1991 & Up |
32-864959 (Port), 32-864960 (Starboard) |
16-3/16" Length |
| MerCruiser |
R |
All |
4-Stroke |
1983-1990 |
32-864959 (Port), 32-864960 (Starboard) |
With 16-3/16" cylinders |
| MerCruiser |
MR |
All |
4-Stroke |
1983-1990 |
32-864959 (Port), 32-864960 (Starboard) |
With 16-3/16" cylinders |
| MerCruiser |
Bravo 1 |
All |
4-Stroke |
1991 & Up |
32-864959 (Port), 32-864960 (Starboard) |
With 9B-106/9B-116 cylinders |
| MerCruiser |
Bravo 2 |
All |
4-Stroke |
1991 & Up |
32-864959 (Port), 32-864960 (Starboard) |
With 9B-106/9B-116 cylinders |
| MerCruiser |
Bravo 3 |
All |
4-Stroke |
1991 & Up |
32-864959 (Port), 32-864960 (Starboard) |
With 9B-106/9B-116 cylinders |
Technical Specifications
| Specification |
Value |
| Product Type |
Trim/Tilt Hydraulic Hose Kit |
| Installation |
Direct replacement |
| Connection |
Trim cylinder to connector block |
| Housing Material |
Stainless Steel |
| Housing Color |
Silver |
| Dimensions |
Port/Starboard: 16-3/16" (411.5 mm)
|
| Fitting Type |
OEM-style connection |
| Warranty |
1 Year (Aftermarket) |
| Other Technical Attributes |
Works with Trim Cylinder Casting #14035-1
|
Package Contents
- 1 x Port cylinder to connector block (down pressure) hose (Replaces 32-864959)
- 1 x Starboard cylinder to connector block hose (Replaces 32-864960)
- 2 x Shorter hoses (Replaces 32-99904Q)
Installation Guide
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Safety First: Disconnect the battery and ensure the sterndrive is securely supported in a raised position.
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Relieve System Pressure: Place absorbent rags under the hose connections to catch any residual hydraulic fluid.
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Disconnect Old Hoses: Carefully disconnect the old hoses from both the trim cylinders and the hydraulic connector block. Note the routing of each hose.
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Compare Parts: Before installation, lay the new hoses next to the old ones to confirm an exact match in length and fittings.
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Install New Hoses: Connect the new hoses, starting with the fittings at the connector block. Do not overtighten the connections initially.
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Connect to Cylinders: Attach the other end of the hoses to the correct port (left) and starboard (right) trim cylinders.
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Tighten Fittings: Securely tighten all hose fittings to the manufacturer's recommended torque. Be careful not to cross-thread.
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Refill Fluid: Fill the power trim reservoir with the appropriate power trim/tilt hydraulic fluid.
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Bleed the System: Reconnect the battery. Cycle the trim system up and down several times to purge any air from the lines.
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Check for Leaks: With the system pressurized, carefully inspect all connections for any signs of leakage.
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Final Fluid Check: After bleeding the system, re-check the fluid level in the reservoir and top off as necessary.
Troubleshooting & FAQ
Q: How do I confirm this hose kit fits my MerCruiser drive?
A: This kit is designed for MerCruiser Alpha One (Gen 1 & 2), R, MR, and Bravo (1, 2, 3) sterndrives. To ensure a match, verify that your trim cylinders are 16-3/16" long (often marked with casting #14035-1). You should also cross-reference your existing part numbers with those this kit replaces: 32-864959, 32-864960, and 32-99904Q.
Q: What are the signs my trim hoses need replacing?
A: The most common indicators of failing hoses are visible hydraulic fluid leaks around the fittings or along the hose length, physical damage like cracks or blisters on the hose casing, or a 'spongy' and slow response when operating the trim/tilt system.
Q: Is this kit a complete replacement?
A: Yes, this is a complete aftermarket kit containing all four hoses needed for a full replacement: the port and starboard cylinder pressure hoses and the two shorter connector hoses.
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?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.