Genuine Tohatsu 2nd Piston Ring Standard MD40 MD50 3T5-00012-0
3T5-00012-0
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Genuine Tohatsu standard-size second compression piston ring for selected MD40 and MD50 TLDI outboards. Part 3T5-00012-0 is an individual powerhead rebuild component for the standard-bore piston.
Key Features
- Genuine Tohatsu second piston ring
- Standard-size specification
- For selected three-cylinder MD40/MD50 TLDI powerheads
- Individual ring, not a complete ring set
- For measured professional engine rebuilding
Technical Specs
- Manufacturer: Tohatsu
- Part type: Second piston ring
- Size: Standard
- Manufacturer part number: 3T5-00012-0
- Quantity supplied: 1 ring
Compatibility / Fitment Guide
Shown as the standard second piston ring for selected MD40A/B/B2 and MD50A/B/B2 TLDI engines. It is not for M5–M15 portable outboards as previously stated. Confirm the piston, bore condition and engine serial number before ordering.
Part Number Cross Reference
- Tohatsu: 3T5-00012-0
- US catalogue format: 3T5000120M
- Compact search format: 3T5000120
- 0.5 mm oversize second ring: 3T5-00015-0
- Matching standard first ring: 3T5-00011-0
Frequently Asked Questions
Is this a full piston-ring set?
No. This listing supplies one standard second compression ring.
Will it fit an oversize piston?
No. Use the specified oversize ring for a rebored cylinder and oversize piston.
What measurements are required?
Check cylinder bore, taper, ring end gap and piston clearances against the workshop specifications.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.