Vacuum hose. Porsche 928 S4 / GT / GTS 1987-95  ❭  92811022400

Vacuum hose
OE Match vacuum hose for Porsche 928 S4, GT, and GTS models from 1987 to 1995. This replacement hose fits from the left “Y” at the air guide elbow to the brake venturi / suction jet pump air guide, helping restore correct vacuum routing and intake system operation.

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

The vacuum hose routes vacuum between the left “Y” connection at the air guide elbow and the brake venturi / suction jet pump air guide. Correct vacuum hose sealing helps maintain proper vacuum supply, supports brake assist operation, and prevents unmetered air or vacuum leaks that can affect engine running.

Functions
•  Replaces the vacuum hose
•  Fits from the left “Y” at the air guide elbow
•  Connects to the brake venturi / suction jet pump air guide
•  Supports correct vacuum routing
•  Helps maintain brake vacuum assist system operation
•  Helps prevent vacuum leaks and poor running
•  Suitable for intake system service, vacuum leak repair, or engine bay restoration
•  OE Match replacement for Porsche 928 S4, GT, and GTS vacuum system maintenance.

Why Replace This Part?
Vacuum hoses can harden, crack, split, collapse, or become loose due to age, heat, oil vapour exposure, and engine bay conditions. A damaged vacuum hose may cause vacuum leaks, rough idle, hesitation, poor throttle response, brake assist issues, intake air leaks, or incorrect vacuum system operation. Replacing the hose helps restore correct vacuum sealing and reliable system function.

When to Replace This Part
•  Vacuum hose is cracked, brittle, split, collapsed, or leaking
•  Rough idle, hesitation, or poor running is present
•  Vacuum leak symptoms are detected
•  Brake assist feels inconsistent or reduced
•  Air guide elbow or suction jet pump area is being serviced
•  Engine vacuum system maintenance is being carried out
•  Vehicle is undergoing Porsche 928 engine bay restoration or refresh.

Where it fits on the car
This hose fits within the engine intake and vacuum system, running from the left “Y” at the air guide elbow to the brake venturi / suction jet pump air guide on Porsche 928 S4, GT, and GTS models.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

92811022400

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