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MOTOR POWER TRIM MERCURY 823653A5
Description
Function and technical context
This hydraulic pump kit constitutes the heart of the Power Trim system on medium and large displacement Mercury engines. The pump generates the hydraulic pressure necessary to operate the trim cylinders, allowing the angle of inclination of the tiller to be varied electrically and precisely during navigation. It is an integral part of the hydraulic maneuvering circuit and is essential to maintain stability control and fuel efficiency in different sea conditions and speed. A failure in this pump causes a total loss of trim capacity, severely limiting maneuverability and compromising navigation safety.
When to replace this part?
Symptoms of wear include slow or erratic response to trim command, abnormal noises in the engine compartment during maneuvering, gradual loss of hydraulic pressure, and visible fluid leaks around the pump assembly. It is recommended to check the condition of the kit during each seasonal maintenance and replace it preventively if changes in performance are detected or if the engine accumulates more than 800-1000 hours of intense operation. Replacing this component preventatively before it completely fails avoids running out of trim capability at sea and emergency dock repair costs.
Engine Compatibility
Compatible Mercury Mariner Engines
| Marca | Modelo | Rango de serie |
|---|---|---|
| Mercury Mariner | V-150 | 4868998 THRU 0A904645 |
| Mercury Mariner | V-150 Magnum | 5600162 THRU 0A904645 |
| Mercury Mariner | V-150 Marathon | 5600162 THRU 0A904645 |
| Mercury Mariner | V-150 Work | 4868998 THRU 0A904645 |
| Mercury Mariner | V-150-XR-2 | 4868998 THRU 0A904645 |
| Mercury Mariner | V-175 | 8058870 THRU 0B384939 / 4301235 THRU 0C100860 |
| Mercury Mariner | V-200 | 5239232 THRU 0C100860 |
| Mercury Mariner | 250/275 | 0C101891 THRU 0D224591 |
| Mercury Mariner | V-1500 | 4868998 THRU 0A904645 |
Equivalent manufacturer part numbers
| Manufacturer/Brand | Reference/Part Number |
|---|---|
| Mercury/MerCruiser | 823653A9, 823653A5, 85539A2, 89492T, 89495, 92459A4, 823653A5/A9 |
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