Stainless Steel Floor-Mount Trim Pump Bracket for MerCruiser Stern Drives – Replaces 42419A1, 862548A1
Stainless Steel Floor-Mount Trim Pump Bracket for MerCruiser Stern Drives – Replaces 42419A1, 862548A1 is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
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Stainless Steel Floor-Mount Trim Pump Bracket for MerCruiser Stern Drives – Replaces 42419A1, 862548A1 is backordered and will ship as soon as it is back in stock.
Product Details
This stainless steel floor-mount trim pump bracket is designed for MerCruiser stern-drive applications. It provides a mounting point for a compatible hydraulic trim pump and is intended as an aftermarket replacement for the original floor-mounted bracket.
The bracket is listed for replacement of MerCruiser references 42419A1, 862548A1, 88893A4, 58397A3, 88553A1, and 58397A2. Listed aftermarket references include Sierra 18-6749 and 18-6750.
- Stainless steel bracket construction for a marine mounting application.
- Floor-mount design for compatible MerCruiser trim pump installations.
- Useful as a replacement when the original bracket is corroded, damaged, or no longer secure.
- Single replacement bracket; pump, hoses, wiring, and mounting hardware are not included unless specifically shown or stated.
Part Number Matrix
Use the following references to compare the replacement bracket with the part being removed. Part-number references do not replace checking the bracket shape, mounting arrangement, and pump application before purchase.
| Reference Type | Brand or Source | Part Number |
|---|---|---|
| OEM reference | MerCruiser | 42419A1 |
| OEM reference | MerCruiser | 862548A1 |
| OEM reference | MerCruiser | 88893A4 |
| OEM reference | MerCruiser | 58397A3 |
| OEM reference | MerCruiser | 88553A1 |
| OEM reference | MerCruiser | 58397A2 |
| Aftermarket reference | Sierra | 18-6749 |
| Aftermarket reference | Sierra | 18-6750 |
Compatibility
This product is associated with MerCruiser stern-drive floor-mount trim pump bracket applications. The available product records do not specify a complete engine-model, horsepower, year, serial-number, shaft, or stroke range.
Before ordering, compare the original bracket with the product images and verify the relevant OEM or aftermarket reference. Do not assume compatibility solely from a general MerCruiser, Alpha, Bravo, or stern-drive description.
| Application | Confirmed information | Verification required |
|---|---|---|
| Brand | MerCruiser | Confirm the exact drive and pump arrangement. |
| System | Stern-drive trim pump mounting | Confirm that the original pump uses a floor-mounted bracket. |
| Model, year, horsepower, and serial range | Not specified | Match the original bracket and reference number. |
Technical Specifications
- Product Type
- Floor-mount trim pump bracket
- Application
- MerCruiser stern-drive trim pump mounting
- Material
- Stainless steel
- Mounting Style
- Bolt-mounted floor bracket
- Product Configuration
- Single replacement bracket, not a kit
- Manufacturer Status
- Aftermarket replacement; not an OEM-manufactured part
- Weight
- Not specified
- Warranty
- Refer to the applicable seller warranty and return policy.
What's in the Box
- 1 x Stainless Steel Floor-Mount Trim Pump Bracket
Trim pump assemblies, hydraulic hoses, electrical wiring, fasteners, and other components are not included unless specifically shown or stated in the order details.
Installation Notes
- Disconnect power: Turn off the boat's battery and follow the service instructions for the vessel and trim system.
- Identify the existing arrangement: Confirm that the installed bracket is a floor-mount bracket and compare its mounting points with the replacement.
- Protect the system: If the pump must be moved, support it securely and protect hydraulic connections from contamination. Cap or protect disconnected lines as appropriate.
- Remove the original bracket: Remove the fasteners securing the bracket and retain only hardware that is confirmed suitable for reuse.
- Install the replacement: Position the bracket, align the mounting holes, and tighten fasteners according to the applicable MerCruiser or vessel service specifications.
- Reconnect and inspect: Reconnect any hydraulic lines and wiring that were removed. Check routing, strain relief, and connection security.
- Test carefully: Restore power, operate the trim system according to the service procedure, and inspect for leaks, interference, unusual movement, or looseness.
Troubleshooting & FAQ
How do I confirm that this bracket fits?
Match your existing bracket's mounting arrangement and one of the listed references, such as 42419A1 or 862548A1. Also compare the product images and confirm that your trim pump uses a MerCruiser floor-mount bracket. Exact model and serial-number coverage is not specified for this listing.
What are common signs that the original bracket needs replacement?
Visible corrosion, cracks, distortion, loose mounting, or movement of the trim pump can indicate that the bracket should be inspected and replaced. Determine whether the pump, fasteners, and mounting surface also require service.
Is this an OEM MerCruiser part?
No. This is an aftermarket replacement bracket. MerCruiser part numbers are provided only as reference numbers for identification and application comparison.
Does this listing include the trim pump or installation hardware?
No. The product is a single replacement bracket. A trim pump, hydraulic lines, wiring, and fasteners are not included unless specifically stated in the order details.
Can I install it myself?
Installation may be suitable for someone familiar with marine hydraulic and electrical systems. Because trim systems can involve pressurized fluid and moving components, use the correct service procedures or have the work completed by a qualified marine technician.
What should I do if my original bracket looks different?
Do not rely on a general engine or drive name alone. Compare the mounting layout and reference number, and confirm the application before ordering if the shape or mounting points differ.
Safety & Important Information
- Disconnect the battery before working around the trim pump's electrical connections.
- Follow the applicable MerCruiser, engine, drive, and vessel service procedures.
- Use appropriate precautions when disconnecting hydraulic lines and protect the system from dirt or contamination.
- Verify the bracket shape, mounting points, and part-number reference before purchase.
- This is an aftermarket replacement component, not an OEM part.
About Sea Sierra
- Marine Replacement Parts — We supply aftermarket components for maintenance and repair applications.
- Application-Focused Listings — Product references and compatibility information are provided to help with part identification.
- Practical Replacement Solutions — Designed to help restore the mounting function of compatible marine systems.
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