Seal Gasket Kit Power Trim Piston for Volvo Penta DPS-A SX-A | JLM Marine
This Power Trim Piston Seal Gasket Kit is precision-engineered for Volvo Penta DPS-A and SX-A trim cylinders. Designed to restore factory-level sealing and hydraulic performance, this kit is essential for maintaining smooth trim operation and preventing fluid leaks in your stern drive system.
Direct replacement for Volvo Penta OEM part numbers 22172 and 3889955. This aftermarket seal kit delivers reliable performance for Volvo Penta marine engines equipped with DPS-A or SX-A trim systems.
- Complete seal kit for trim cylinder piston assembly
- Fits Volvo Penta DPS-A and SX-A stern drive systems
- Restores hydraulic integrity and prevents trim fluid leakage
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
Notes |
| Volvo Penta |
22172 |
OEM |
| Volvo Penta |
3889955 |
OEM |
Compatible Engine Models
Confirm your engine model/year in the table below.
| Brand |
Model |
Notes |
| Volvo Penta |
SX-A |
Trim Cylinder |
| Volvo Penta |
DPS-A |
Trim Cylinder |
Technical Specifications
| Specification |
Value |
| Type |
Trim Cylinder Seal Kit |
| Engine Type |
Volvo Penta DPS-A, SX-A |
| Application |
Power Trim Piston |
| OEM Part Numbers |
22172, 3889955 |
Package Contents
This kit includes all necessary seals and gaskets to rebuild your trim cylinder piston assembly:
- Trim Cylinder Seal Kit (as shown in product image)
- All seals, gaskets, and O-rings required for complete piston rebuild
Installation Guide
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Disconnect the battery and relieve all hydraulic pressure from the trim/tilt system before beginning work.
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Remove the trim cylinder from the stern drive assembly following your engine service manual. Clean the external surfaces thoroughly.
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Disassemble the cylinder carefully, noting the orientation of each component. Inspect the piston rod and cylinder bore for scoring or damage.
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Remove all old seals and gaskets from the piston and cylinder housing. Clean all sealing surfaces with a lint-free cloth and approved solvent.
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Install new seals from the kit onto the piston assembly in the correct order, lubricating each seal lightly with clean trim fluid.
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Reassemble the cylinder carefully, ensuring seals are not pinched or twisted during installation. Torque fasteners to manufacturer specifications.
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Reinstall the trim cylinder onto the stern drive unit and reconnect all hydraulic lines securely.
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Bleed the system according to Volvo Penta procedures, then test trim operation through full range. Check for leaks and proper function before returning to service.
Troubleshooting & FAQ
Q: How do I confirm this seal kit fits my Volvo Penta stern drive?
A: Verify that you have a Volvo Penta DPS-A or SX-A trim cylinder system. Cross-reference your current seal kit or cylinder assembly with OEM part numbers 22172 or 3889955 to ensure compatibility.
Q: What are the signs that my trim cylinder seals need replacement?
A: Common symptoms include visible hydraulic fluid leaks around the cylinder, slow or erratic trim operation, trim drift (unable to hold position), or low fluid levels in the reservoir requiring frequent topping off.
Q: How often should trim cylinder seals be replaced?
A: Replacement intervals vary based on usage and operating conditions. Inspect seals annually during routine maintenance and replace immediately if leaks, hardening, or visible damage are detected. High-use or saltwater environments may require more frequent service.
Q: Can I install this seal kit without special tools?
A: Basic mechanical tools are sufficient for most installations, but you will need a clean workspace, torque wrench, and compatible hydraulic fluid. A seal installation tool set can help prevent damage to new seals during reassembly.
Q: What's the difference between OEM and aftermarket seal kits?
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.