Transmission Guide Tube. Porsche 964 C4 / 993

Transmission Guide Tube.
Restore smooth, precise shifting in your Porsche with this guide tube for the 964 and 993 manual gearbox models. This guide tube is a direct replacement for the factory original, providing correct alignment and support for the shift rod assembly between the gear lever and gearbox. Built to exacting standards, it helps eliminate play, noise and ambiguous gear changes—bringing back the crisp manual-shifting feel your Porsche was designed for.

Fits:

• Porsche 964 (911) C4 1989-93
• Porsche 993 (911) C2 1994-97
• Porsche 993 (911) C4 1994-97
• Porsche 993 (911) RS 1994-97
• Porsche 993 (911) C2S 1994-97
• Porsche 993 (911) C4S 1994-97
• Porsche 993 (911) TURBO 1994-96
• Porsche 993 (911) GT2 1994-97
• Porsche 993 (911) TURBO S 1994-97

Diagram Ref No 15

What This Product Does:

• The guide tube keeps the shift rod / linkage properly aligned, housed, and supported as it transmits motion from the driver’s shift lever to the gearbox internals.
• It prevents the shift rod from bending, mis-aligning or vibrating excessively, which can degrade shift feel or cause mis-engagements.
• A well-fitting guide tube ensures smooth, precise gear changes with minimal slack or bind, contributing to the crisp manual-gearbox feel that many Porsche enthusiasts seek.

Symptoms & Signs Of Wear / Failure:

• Gear shifts feel sloppy or misaligned — the lever has excessive travel or ambiguous engagement.
• Shift linkage noise, rattles or vibration coming from the tunnel / gearbox area due to looseness in the tube or linkage.
• Harder or imprecise gear changes, especially under load or rapid shifts, because the linkage path isn’t firm.
• Visual signs: the tube may be bent, the mountings worn, bushings or bearings inside the tube may be degraded.

Why Replacement Matters:

• Replacing with a new unit ensures the shift linkage remains tight, delivering the precise feel and reliability associated with Porsche manual gearboxes.
• Especially in older vehicles or those modified for performance, the original tube may have suffered from play or wear; replacing it prevents-related issues like sloppy shifts, mis-alignment and accelerated linkage wear.
• The shift-feel of a Porsche manual transmission is part of the driving experience—ensuring the path of shift motion is clean, direct and stable helps retain that.
• Prevents additional wear on the shift rod, guide bearings, bracket or gearbox selector mechanism—if the tube is loose or misaligned, other parts may wear prematurely.

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

96442401102

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