Steering Cylinder Hose for Volvo Penta DPH-A DPH-B DPH-C DPR-A DPR-B DPR-C | JLM Marine
This hydraulic steering cylinder hose kit is engineered for Volvo Penta DPH and DPR series sterndrives, delivering reliable hydraulic pressure transfer between your helm and drive unit. Designed to replace OEM part number 24299620, this aftermarket kit ensures precise steering response for inboard applications equipped with DPH-A, DPH-B, DPH-C, DPR-A, DPR-B, and DPR-C models.
Whether you're experiencing steering sluggishness, hydraulic leaks, or routine maintenance replacement, this complete hose assembly restores factory-level performance. The kit includes all necessary hydraulic hose lines for a comprehensive sterndrive steering system refresh.
- Complete 4-piece hydraulic hose line kit for DPH/DPR sterndrives
- Direct replacement for Volvo Penta part number 24299620
- Suitable for hydraulic inboard steering systems on compatible models
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| Volvo Penta |
24299620 |
Compatible Engine Models
Confirm your engine model/year in the table below.
| Brand |
Model |
| Volvo Penta |
DPH-A |
| Volvo Penta |
DPH-B |
| Volvo Penta |
DPH-C |
| Volvo Penta |
DPR-A |
| Volvo Penta |
DPR-B |
| Volvo Penta |
DPR-C |
Technical Specifications
| Specification |
Value |
| OEM Part Number |
24299620 |
| Application |
Hydraulic Steering System |
| Compatible Series |
DPH-A, DPH-B, DPH-C, DPR-A, DPR-B, DPR-C |
| Drive Type |
Sterndrive (Inboard) |
Package Contents
This kit includes all components required for a complete hydraulic steering hose replacement:
Note: The package contains all the parts shown in the product images.
Installation Guide
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Disconnect the battery and relieve hydraulic system pressure by turning the steering wheel lock-to-lock several times with the engine off.
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Access the sterndrive unit and locate the four hydraulic hoses connecting the helm pump to the steering cylinder.
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Place a drain pan beneath the work area to catch residual hydraulic fluid from the lines.
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Carefully disconnect the old hoses from both the cylinder and helm fittings, noting their routing and orientation.
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Inspect all fittings and ports for corrosion, damage, or debris; clean thoroughly before installation.
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Route the new hydraulic hoses following the original path, ensuring no kinks, sharp bends, or contact with moving parts.
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Attach each hose securely to the corresponding cylinder and helm fittings, tightening to manufacturer torque specifications.
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Fill the hydraulic reservoir with the recommended steering fluid (consult your Volvo Penta service manual).
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Bleed the system by turning the steering wheel slowly from lock to lock while topping off fluid until all air is purged.
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Check all connections for leaks with the engine running and the helm under load.
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Test steering response at idle and at operating RPM to confirm smooth, consistent operation.
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Reconnect the battery and perform a final inspection before returning the vessel to service.
Troubleshooting & FAQ
Q: How do I confirm this kit fits my Volvo Penta sterndrive?
A: Verify that your drive unit is a DPH-A, DPH-B, DPH-C, DPR-A, DPR-B, or DPR-C model and that your current hoses match OEM part number 24299620. Cross-reference the models in the compatibility table above and compare the hose configuration in our product images with your existing setup.
Q: What are the signs that my hydraulic steering hoses need replacement?
A: Common symptoms include stiff or unresponsive steering, visible fluid leaks around hose connections, spongy steering feel (indicating air in the system), cracked or abraded hose exteriors, and difficulty maintaining hydraulic pressure. If you notice any of these issues, inspect and replace the hoses promptly to avoid steering failure.
Q: How often should I replace hydraulic steering hoses?
A: Inspect hoses annually for cracks, leaks, or deterioration. Replace them every 5–7 years as preventive maintenance, or immediately if you observe fluid seepage, swelling, or damage. Environmental factors like UV exposure and saltwater can accelerate wear.
Q: Can I install these hoses myself, or do I need a professional?
A: Installation requires hydraulic system knowledge, proper tools, and the ability to bleed air from the steering system. If you're experienced with marine hydraulics, you can perform the replacement; otherwise, professional installation is recommended to ensure safety and avoid air entrapment or leaks.
Q: What type of hydraulic fluid should I use with these hoses?
A: Use only the hydraulic steering fluid specified by Volvo Penta for your sterndrive model (typically a high-quality marine power steering fluid). Consult your owner's manual or service documentation for the exact specification; using incorrect fluid can damage seals and compromise steering performance.
Q: Is this an OEM part or an aftermarket replacement?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.