The Multiquip 13012ZE8601 Piston Ring Set OS 0.50 Optional is a genuine OEM oversize piston ring set designed for Multiquip masonry saws including the MP25E1, MP25E3, MP275E3, MP2H, MP2050E1, MP2050E3, and MP2090HP. As a factory-sourced component, this ring set is manufactured to the exact tolerances required for proper cylinder sealing and long-term engine performance. The 0.50mm oversize designation makes it the correct choice for engines that have undergone cylinder reboring as part of a top-end rebuild. Sourced directly from Multiquip, this part carries the same quality assurance as the original component installed at the factory.
Key Features
- Oversize Bore Compatibility: — Sized at OS 0.50mm to match cylinders that have been bored out during engine reconditioning — ensuring a proper seal without gaps or blow-by.
- Genuine OEM Construction: — Manufactured to the same metallurgical spec as the original rings, delivering the correct compression and oil control characteristics for this engine family.
- Direct Fitment for MP-Series Masonry Saws: — Confirmed fit for MP25E1, MP25E3, MP275E3, MP2H, MP2050E1, MP2050E3, and MP2090HP models — drop-in replacement during top-end rebuild.
- Restores Full Compression: — Worn or broken piston rings cause compression loss, increased oil consumption, and hard starting; a correctly sized replacement set brings the engine back to full operating pressure.
- Engine Rebuild Confidence: — Using the correct OEM oversize ring set during a bore-and-rebuild ensures the engine meets its original output spec, protecting the investment in the reconditioning work.
Piston rings form a dynamic seal between the piston and the cylinder wall, maintaining combustion pressure above the piston while preventing engine oil from entering the combustion chamber. A healthy ring set is essential for strong compression, efficient fuel combustion, and controlled oil consumption. When rings wear, break, or lose tension — or when an incorrect size is installed after a cylinder bore — compression drops, the engine smokes, loses power, and becomes difficult to start. The OS 0.50 oversize designation on the Multiquip 13012ZE8601 means this set is specifically intended for cylinders that have been machined 0.50mm beyond the standard bore diameter, making it a critical specification match during any top-end engine rebuild on the compatible MP-series saws.
Part Details
| Part Number | 13012ZE8601 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Piston Ring Set OS 0.50 Optional |
Compatibility & Fitment
| Name | Model |
|---|---|
| Saws | MP25E1 |
| Saws | MP25E3 |
| Saws | MP275E3 |
| Saws | MP2H |
| Saws | MP2050E1 |
| Saws | MP2050E3 |
| Saws | MP2090HP |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
