United States
Product overview
Genuine OEM Porsche O-Ring, part number 99970739340. This O-ring provides a seal for the engine cylinder piston. It is crucial for maintaining proper compression and preventing leaks within the engine assembly. The precise dimensions and material ensure a reliable seal under demanding operating conditions. Genuine OEM O-rings are manufactured to exact specifications for optimal performance and longevity.
Technical details
- Category
- Gaskets & Seals
- Country of origin
- Italy
- Customs (HS) code
- 40169300
- Manufacturer
- Porsche
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 16.1 × 12.8 × 1.9 cm
- Shipping weight
- 0.2 kg
Why buy from WW Spares?
- ✓ Genuine OEM inventory sourced directly from factory networks
- ✓ Fitment support from workshop-seasoned parts specialists
- ✓ Global logistics with customs-ready documentation
Need help confirming compatibility? Talk to a specialist
Parts diagram & fitment
5 vehiclesO-ring — locate 99970739340 Porsche O-Ring | Engine Cylinder Piston in the official exploded view and explore the surrounding assembly.
Standard part (a norm part such as a bolt, nut or clip) — used across many models; the vehicle list shows where this exact number is fitted.
Superseded by 99970739440 — the current replacement part.
Parts in this assembly16
- 1Part 99610391595
- 1Cylinder 99610391597
- 1Part 99610394200
- 1Part 99710391595
- 2Piston Ring 99610392590
- 2Piston Ring 99610392591
- 3Circlip 99917802000
- 4Housing 99610131175
- 4Housing 99610191175
- 5Part 90001204600
- 7Seal Ring 99970739440
- 8Gasket 99610119372
- 9Sensor 99660612500
- 10Bolt 90037803301
- 10Part 90037803309
- 11Grease 00004320510
Compatible / alternative parts(12)
Vehicle fitment table5
Europe (5)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| GT2 RS | 2009-2012 | 6 | 6 |
| GT3 RS | 2006-2011 | 6 | 6 |
| Turbo | 2006-2009 | 6 | 6 |
| Turbo | 2000-2005 | 6 | 6 |
| GT3 RS | 1998-2005 | 6 | 6 |
Diagrams & fitment data powered by oemdiagrams.com
99970739340 Porsche O-Ring | Engine Cylinder Piston is fitted on: GT2 RS 2009-2012; GT3 RS 2006-2011; Turbo 2006-2009; Turbo 2000-2005; GT3 RS 1998-2005.