Volvo Penta Hydraulic Hose kit 21548739
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Volvo Penta 21548739 is a genuine OEM hydraulic hose kit used in Volvo Penta hydraulic steering service. The strongest current public parts-diagram trail places this part in the DPH-A / Steering assembly as schematic object key 14, where it is listed as Hydraulic Hose | Kit and shown with steering cylinder, nipples, plugs, and adjacent hydraulic lines. Multiple current marine parts sources also identify 21548739 as a hydraulic steering hose kit for Volvo Penta DPH and DPR sterndrive applications.
Key Features
- Genuine Volvo Penta OEM hydraulic hose kit, part number 21548739.
- Strongest public diagram support places it in DPH-A / Steering as object key 14.
- Current Volvo-style diagram references show it in the same steering group as steering cylinder 21745119, hose 3863222, hydraulic hose 3863223, nipples 984379 and 984378, and plug 984376.
- Current product references describe it as a hydraulic steering hose kit.
- Current specialist listings state the kit includes 2 hoses.
- One current Volvo-style parts page notes associated O-ring 925053 in the same diagram position.
Engine Compatibility
The strongest supportable fitment trail for Volvo Penta 21548739 is with DPH and DPR sterndrive hydraulic steering applications. Current public fitment references associate it with DPH-A, DPH-B, DPH-C, DPR-A, DPR-B, and DPR-C, while some aftermarket listings also extend that fitment trail to DPH-D and DPH-D1 variants. Because steering-hose routing can vary by drive generation, cylinder version, and hydraulic layout, the safest fitment standard is the exact Volvo Penta serial-number-based parts diagram for the steering system being serviced.
Serial Number Fitment Notice
Fitment can vary by drive family, steering-cylinder version, and hose routing. Confirm Volvo Penta part number 21548739 against the exact drive serial number and the correct steering breakdown before ordering, especially on DPH and DPR installations where the steering hoses can appear similar once removed.
When This Part Needs Replacement
Replace this hydraulic hose kit when the original hoses show hydraulic seepage, cracked outer covering, abrasion, corrosion at the fittings, damaged crimps, or steering performance issues linked to hose condition. It is also a smart replacement during steering-cylinder service if the hoses have been disturbed or show visible age-related wear.
Installation Notes
Match this hose kit to the exact Volvo Penta application before installation. The strongest public references place it directly in the steering assembly, so confirming both the part number and the exact diagram position is the safest cross-check before ordering or reassembly. Inspect the companion hydraulic lines, nipples, sealing points, and steering-cylinder connections at the same time to help avoid repeat hydraulic leaks after service.
Alternate/Superseded Part Numbers
Current public cross-reference sources associate Volvo Penta 21548739 with related replacement numbers 3863347, 3863405, 3863406, and 3863407 in the same hydraulic steering hose kit family. Use 21548739 as the primary Volvo Penta ordering number for this listing.
Parts Desk Insight
Steering hose kits are easy to mis-order because nearby hydraulic lines can look close once they are off the drive. 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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