Volvo Penta Hose Assembly 21721548
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Volvo Penta 21721548 is a genuine OEM hose assembly used in Volvo Penta trim-system service. The strongest current public parts trail places this part in the trim pump assembly as schematic object key 17, alongside the trim pump, reservoir, relay, wiring harness, and companion hose assembly 21721550. Current specialist marine references also identify it specifically as a power trim pump hose for DPH and DPR sterndrive applications.
Key Features
- Genuine Volvo Penta OEM hose assembly, part number 21721548.
- Strongest public diagram support places it in the trim pump assembly as object key 17.
- Current marine parts references identify it as a power trim pump hose.
- Listed in the same assembly group as trim pumps 3863128, 3818340, and 21692435, with companion hose 21721550.
- Current distributor data lists approximate weight at 0.320 kg.
Engine Compatibility
The strongest supportable fitment trail for Volvo Penta 21721548 is with DPH and DPR sterndrive trim-pump applications. Current public fitment references associate it with DPH-A, DPH-B, DPH-C, DPH-D, DPH-D1, DPH-BP, DPR-A, DPR-B, and DPR-C drive families. Because trim-system hose routing can vary by drive generation and hydraulic layout, the safest fitment standard is the exact Volvo Penta serial-number-based parts diagram for the trim pump assembly being serviced.
Serial Number Fitment Notice
Fitment can vary by drive family, trim-pump version, and hose routing. Confirm Volvo Penta part number 21721548 against the exact drive serial number and the correct trim-pump breakdown before ordering, especially on DPH and DPR installations where the two hydraulic hose assemblies can appear similar once removed.
When This Part Needs Replacement
Replace this hose assembly when the original hose shows hydraulic seepage, cracked outer covering, abrasion, corrosion at the fittings, damaged crimps, or trim/tilt performance issues linked to hose condition. It is also a smart replacement during trim-pump service if the existing hose has been disturbed or shows visible wear.
Installation Notes
Match this hose to the exact Volvo Penta application before installation. The strongest public references place it directly in the trim pump assembly, so confirming both the part number and the exact diagram position is the safest cross-check before ordering or reassembly. Inspect the companion hose, fittings, and surrounding trim-pump wiring at the same time to help avoid repeat hydraulic or electrical issues after service.
Alternate/Superseded Part Numbers
Current public references reviewed consistently present 21721548 as the active OEM ordering number. One specialist marine source also associates it with earlier number 3809559 in the same trim-hose application trail. Use 21721548 as the primary Volvo Penta ordering number for this listing.
Parts Desk Insight
Trim hoses are easy to mis-order because the companion hose on the same pump can look very close once it is off the boat. Matching the exact Volvo Penta diagram position first is usually much safer than comparing hose length and fittings by eye alone.
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Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
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