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Porsche Cylinder Base O-Ring Elring Klinger 99970739440

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Porsche 911

2002 Porsche 911 GT2

Coupe 996t 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2003 Porsche 911 GT2

Coupe 996t 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2004 Porsche 911 Anniversary Edition

Coupe 996 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2004 Porsche 911 Carrera

Coupe 996 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2004 Porsche 911 Carrera 4S

Coupe 996 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2004 Porsche 911 GT2

Coupe 996t 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2004 Porsche 911 GT3

Coupe 996 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2004 Porsche 911 Turbo

Coupe 996 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2005 Porsche 911 Carrera

Coupe 996 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2005 Porsche 911 Carrera 4S

Coupe 996 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2005 Porsche 911 GT2

Coupe 996 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2005 Porsche 911 GT3

Coupe 996 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2005 Porsche 911 Turbo

Coupe 996 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2005 Porsche 911 Turbo S

Coupe 996 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2007 Porsche 911 Carrera

Coupe 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2007 Porsche 911 Carrera 4

Coupe 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2007 Porsche 911 GT3

Coupe 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2007 Porsche 911 GT3 RS

Coupe 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2007 Porsche 911 Turbo

Coupe 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2008 Porsche 911 Carrera

Convertible 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2008 Porsche 911 Carrera

Coupe 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2008 Porsche 911 Carrera 4

Convertible 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2008 Porsche 911 Carrera 4

Coupe 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2008 Porsche 911 GT2

Coupe 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2008 Porsche 911 GT3

Coupe 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2008 Porsche 911 GT3 RS

Coupe 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2008 Porsche 911 Turbo

Convertible 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2008 Porsche 911 Turbo

Coupe 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2009 Porsche 911 Carrera

Convertible 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2009 Porsche 911 Carrera

Coupe 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2009 Porsche 911 Carrera 4

Convertible 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2009 Porsche 911 Carrera 4

Coupe 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2009 Porsche 911 GT2

Coupe 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2009 Porsche 911 Turbo

Convertible 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2009 Porsche 911 Turbo

Coupe 997 3.6L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2010 Porsche 911 Carrera 4S

Coupe 997 3.8L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2010 Porsche 911 Carrera S

Coupe 997 3.8L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2010 Porsche 911 GT3

Coupe 997 3.8L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2010 Porsche 911 GT3 RS

Coupe 997 3.8L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2010 Porsche 911 Turbo

Coupe 997 3.8L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2011 Porsche 911 Carrera 4S

Coupe 997 3.8L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2011 Porsche 911 Carrera GTS

Coupe 997 3.8L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2011 Porsche 911 Carrera S

Coupe 997 3.8L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2011 Porsche 911 GT3

Coupe 997 3.8L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2011 Porsche 911 GT3 RS

Coupe 997 3.8L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2011 Porsche 911 GT3 RS 4.0

Coupe 997 4.0L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2011 Porsche 911 Turbo

Coupe 997 3.8L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

2011 Porsche 911 Turbo S

Coupe 997 3.8L H6

Quantity needed: 12

Fitment note: Cylinder Base O-Ring - Cylinder Housing to Engine Case (110 X 2.5 mm); Black Viton.

Manufacturer: Elring Klinger

SKU: 99970739440-30

Price

MSRP: $27.39

-67%

Price: $9.04

Availability: In stock

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Porsche Cylinder Base O-Ring Elring Klinger 99970739440

Porsche Cylinder Base O-Ring Elring Klinger 99970739440

MSRP: $27.39

-67%

Price: $9.04

The Porsche Cylinder Base O-Ring Elring Klinger 99970739440, manufacturer part number 845.630 / 845630, is an OE supplier component from Elring Klinger. Engineered for precise sealing between the cylinder housing and engine case, this Black Viton O-ring (110 x 2.5 mm) is designed for select Porsche 911 models with 3.6L H6, 3.8L H6, and 4.0L H6 engines across 996 and 997 chassis. OE part number 99970739440 ensures direct compatibility and reliable performance.

Key Features:

Genuine Elring Klinger quality – meets OE supplier standards.
Application-specific fit for select 2002–2011 Porsche 911 (see model and engine details).
Engineered as a cylinder base O-ring for optimal sealing integrity.
Durable Black Viton construction for long-term resistance to heat and fluids.
Supplied per vehicle requirements; typically 12 O-rings per application.

Ensure a professional repair or engine rebuild with this OE-equivalent seal from a trusted manufacturer.

Specifications

Product Type

OE Supplier

OE Part Number

999 707 394 40 / 99970739440

OEM

No

Manufacturer Part Number

845.630 / 845630

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