Genuine Tohatsu 1st Piston Ring Standard MD40 MD50 3T5-00011-0
3T5-00011-0
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Genuine Tohatsu standard-size first compression piston ring for selected MD40 and MD50 TLDI outboards. Part 3T5-00011-0 is an individual rebuild component designed for the corresponding standard piston and cylinder bore.
Key Features
- Genuine Tohatsu first piston ring
- Standard-size specification
- For selected three-cylinder MD40/MD50 TLDI powerheads
- Individual ring, not a complete ring set
- For correct measured engine rebuilding
Technical Specs
- Manufacturer: Tohatsu
- Part type: First piston ring
- Size: Standard
- Manufacturer part number: 3T5-00011-0
- Quantity supplied: 1 ring
Compatibility / Fitment Guide
Shown as the standard first piston ring for selected MD40A/B/B2 and MD50A/B/B2 TLDI engines. It is not for MFS2.5–MFS8 engines and those are not two-stroke model codes as previously written. Confirm piston and bore dimensions before ordering.
Part Number Cross Reference
- Tohatsu: 3T5-00011-0
- US catalogue format: 3T5000110M
- Compact search format: 3T5000110
- 0.5 mm oversize first ring: 3T5-00014-0
- Matching standard second ring: 3T5-00012-0
Frequently Asked Questions
Is this a complete piston-ring set?
No. This listing supplies one standard first compression ring.
Does it fit small MFS four-strokes?
No. The previous compatibility statement was incorrect.
Is ring orientation important?
Yes. Observe markings, locating pins, end gaps and all workshop-manual installation instructions.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.