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Vacuum hose. Porsche 928 S4 / GT / GTS 1987-95 › 92811022400
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
The Genuine Porsche 92811022400 hose is a factory vacuum / air guide hose for Porsche 928 S4, GT and GTS 1987–1995 models. It fits from the left “Y” at the air guide elbow to the brake venturi / suction jet pump air guide system, helping maintain correct vacuum routing, intake sealing and brake vacuum assist function. Ideal for replacing cracked, hardened or leaking original hoses while preserving Genuine Porsche fitment and quality.
Fits:
Porsche 928 S4 / GT 1987 - 1991
* Engine code: 2841 / 2842 / 2847
Porsche 928 GTS 1992 - 1995
* Engine code: 2849 / 2850
Diagram ref no 10
This hose is associated with the left “Y” at the air guide elbow to brake venturi connection on Porsche 928 S4 / GT / GTS models.
What This Part Does / Functions
• Routes vacuum / intake air between the air guide elbow and brake venturi circuit
• Connects at the left “Y” fitting in the engine air guide system
• Supports correct suction jet pump / brake venturi operation
• Helps maintain proper brake vacuum assist system function
• Helps keep the intake and vacuum system sealed
• Replaces a cracked, hardened, split or collapsed original hose
• Provides correct Genuine Porsche hose shape, routing and fitment
• Helps prevent vacuum leaks and related engine running issues.
Why Replace This Part?
Vacuum and air guide hoses on the Porsche 928 are exposed to heat, engine movement, oil vapour, intake vacuum and age-related rubber deterioration. Over time, the hose can harden, split, crack, collapse or become loose at its connection points. A leaking hose in this area can affect the intake vacuum circuit and brake venturi / suction jet pump system. This may lead to poor idle quality, vacuum loss, reduced brake assist performance or general intake air leak symptoms. Replacing it with a Genuine Porsche hose helps restore the correct factory routing and sealing of the air guide / vacuum system.
Common Symptoms of a Faulty Hose
• Cracked, hardened or split rubber hose
• Vacuum leak from the intake / air guide system
• Poor idle quality
• Engine hesitation or rough running
• Hissing noise from the engine bay
• Reduced or inconsistent brake vacuum assist
• Loose or damaged connection at the left “Y” fitting
• Hose collapse or deformation from age and vacuum
• Damage found during intake system or brake vacuum system service.
When to Replace This Part
• If the original hose is cracked, brittle, split or leaking
• During intake manifold, air guide or vacuum system service
• When servicing the suction jet pump / brake venturi circuit
• If vacuum loss is traced to this hose
• When replacing aged rubber hoses on a Porsche 928
• During engine bay restoration
• If the hose no longer seals correctly at the “Y” fitting or brake venturi connection
• When restoring the system with Genuine Porsche parts.
Where It Fits on the Car
This hose fits in the engine bay intake / vacuum system of the Porsche 928. It runs from the left “Y” at the air guide elbow to the brake venturi / suction jet pump air guide connection.
Correct routing is important because this hose is part of the vacuum and air guide system that supports the brake vacuum assist circuit.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811022400
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Fits:
Porsche 970.1 Panamera turbo / turbo S- 2009 to 2013
Porsche 970.2 Panamera S / 4S 3.0ltr - 2014 to 2016
Porsche 970.2 Panamera turbo / turbo S - 2014 to 2016
Click 'Zoom in' for large parts diagram.
Diagram ref no 4 and 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
97011011
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Fits:
Porsche 970.1 Panamera turbo / turbo S- 2009 to 2013
Porsche 970.2 Panamera S / 4S 3.0ltr - 2014 to 2016
Porsche 970.2 Panamera turbo / turbo S - 2014 to 2016
Click 'Zoom in' for large parts diagram.
Diagram ref no 4 and 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
97011011
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Fits:
Porsche 92A Cayenne (958) 4.8L Petrol 2011>>2018
Cars With Engine Codes:
4802
Porsche 9PA1 Cayenne (957) 4.8L 2007>>2010
Cars With Engine Codes:
4801
Porsche 970 Panamera MKI / MKII 4.8L 2010>>2016
Cars With Engine Codes:
4820 / 4840 / CXPA / CXRA / CXR
Diagram Ref No 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94811013600
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Fits:
Porsche 970 Panamera 4.8L MKI / MKII 2010>>2016
Cars With Engine Codes:
4820 / 4840 / 4870 / CXPA / CXRA / CXR / CWBA / CWB / CWCA / CWC
Cars With Option Codes:
176 - Sports Exhaust System
Porsche 970 Panamera 3.6L MKI / MKII 2010>>2016
Cars With Engine Codes:
4620 / 4640 / CWAA / CXNA
Cars With Option Codes:
XLF- Sports Exhaust System
Diagram Ref No 15
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
97011035002
The product you are viewing cross references to these numbers
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