Piston Ring Kit STD – Fits Volvo Penta MD/TMD22 (Replaces 859642)
Piston Ring Kit STD – Fits Volvo Penta MD/TMD22 (Replaces 859642) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
Worry-free returns
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Piston Ring Kit STD – Fits Volvo Penta MD/TMD22 (Replaces 859642)
Product Details
This Piston Ring Kit STD is designed for a precise fit in Volvo Penta diesel engines, including the MD22A, MD22L-A, MD22L-B, TMD22A, and TMD22B series. It is intended for standard size installations, ensuring reliable performance and engine integrity.
It serves as a direct aftermarket replacement for Volvo Penta 859642 and Crom 111440.
- Installation: Standard Size (STD)
- For piston marked 4, 5 or 6
- Fuel Type: Diesel
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Volvo Penta | 859642 | Unconfirmed supersession: 861586 |
| Crom | 111440 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Volvo Penta engines:
| Brand | Model | Stroke | OEM Part No. |
|---|---|---|---|
| Volvo Penta | MD22A | 4-Stroke | 859642 |
| Volvo Penta | MD22L-A | 4-Stroke | 859642 |
| Volvo Penta | MD22L-B | 4-Stroke | 859642 |
| Volvo Penta | TMD22A | 4-Stroke | 859642 |
| Volvo Penta | TMD22B | 4-Stroke | 859642 |
Technical Specs
- Product Type
- Piston Ring Kit
- Installation
- Standard Size (STD)
- Fuel Type
- Diesel
- Housing Material
- Steel/Cast Iron
- Compatible Piston
- For piston marked 4, 5 or 6
- Dimensions
- 12.5" L x 12.5" W x 1.5" H
What’s in the Box
- 1 x Complete Piston Ring Kit (Standard Size)
Installation Notes
- Ensure the engine is cool and disconnect the battery.
- Drain engine oil and coolant completely.
- Remove the cylinder head and any other components blocking access to the pistons.
- Carefully extract the piston and connecting rod assembly from the cylinder.
- Use a piston ring expander tool to safely remove the old rings.
- Thoroughly clean all carbon buildup from the piston's ring grooves.
- Install the new piston rings in the correct order and orientation as per your engine's service manual.
- Generously lubricate the new rings and the piston with fresh engine oil.
- Use a piston ring compressor to carefully guide the piston assembly back into the cylinder bore.
- Reassemble the engine components in reverse order of removal.
- Torque all bolts and fasteners to the manufacturer's specified values.
- Refill with fresh engine oil and coolant before starting.
Troubleshooting & FAQ
How do I know if this piston ring kit will fit my engine?
This kit is specifically for Volvo Penta MD22 and TMD22 series engines using standard size bores. It is compatible with pistons that are marked with a 4, 5, or 6. Always verify your engine model against our compatibility table before ordering.
What are the common signs of failing piston rings?
Failing piston rings often cause excessive blue or gray exhaust smoke, a noticeable increase in oil consumption, loss of engine power, and poor cylinder compression test results.
Is this a complete ring set for one piston?
Yes, this is a complete ring kit to service a single piston.
Are special tools required for installation?
Yes, professional installation is recommended. Specialized tools like a piston ring expander (for removal) and a piston ring compressor (for installation) are necessary to prevent damage to the rings, piston, and cylinder wall.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost?
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns?
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
Payment & Security
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