The completed diameter outside of the impeller is known as the impeller trim. There are many impeller trim sizes available for most centrifugal pumps. The greatest diameter impeller that may lay within a particular pump is known as maximum trim.
It is safe to remove the air from the trim pump. The lower section that operates the watercraft is raised and lowered by the trim pump attached to a Mercruiser boat engine. When pressing the trim tab switch, the bottom unit will not move if the air is in the trim pump. It is impossible to modify the bow height in choppy water or regulate how the boat planes while the trimming is off.
Key Features:
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Including the pump, housing, and hydraulic lines is the Volvo Penta trim pump assembly.
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Fits sterndrive models SX-A, DPS-A, and DPS-B from Volvo Penta
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Replaces Volvo Penta models 21573834, 3848796, and 3884407
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Volvo Penta original
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Genuine Volvo Penta Trim Pump brand-new
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Not aftermarket, but original equipment from the manufacturer
Product Specifications:
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Brand: Volvo Penta
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Manufacturer: Volvo Penta
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SKU: 21945915
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Weight: 4.44 LBS
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Fit Type: SX-A
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Dimensions: 6 x 9 x 11 inches
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Specification Met: OE
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Is Discontinued By Manufacturer: No
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Diagram Reference Number: 2
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Unit Of Measure: EA
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Manufacturer Part Number (MPN): 21945915
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Replaces Products: 3884407, 3848796, 21573834, 21481307
Volvo Penta Exploded view / schematic Trim System Kit, Second Design
This product replaces:
- 3884407, 3848796, 21573834, 21481307
