selector shaft Genuine Porsche part 91142420800

Code: 91142420800

Genuine Porsche part

selector shaft

Additional information:

• This part is brand new and unused.
• Please verify that it is 100% suitable for your specific vehicle before purchase to ensure compatibility.

Before purchasing thoroughly check part to confirm compatibility.

Related products

Sealing sleeve. Porsche 911 / 930

91142429400/1

Product Information

Boot For Coupler Shift Linkage In Transmission Tunnel, Outer.

The OE Match Outer Shift Coupler Boot is a replacement sealing sleeve for the gearshift linkage in the transmission tunnel of classic Porsche 911 and 930 Turbo models.

Fits:

Porsche 911 1972-86 (Not for G50 Gearbox cars)
Porsche 930 Turbo 1975-88

Diagram Ref No 33

Fitted around the shift coupler area, the flexible boot helps seal and protect the linkage where the gearshift mechanism runs through the transmission tunnel. It helps keep dirt, moisture and road contamination away from the coupler while also closing the surrounding tunnel opening.

Although the boot does not directly select gears, protecting the linkage is important because the shift coupler and its bushes must move freely and accurately to transmit movement from the gear lever to the gearbox.
What This Product Does:

Covers the shift coupler linkage within the transmission tunnel area.
Helps protect the coupler from dirt, dust and road contamination.
Helps reduce moisture reaching the linkage and coupler components.
Seals the opening around the gearshift linkage.
Helps keep the coupler bushes and moving parts cleaner.
Reduces direct exposure of the linkage to environmental contamination.
Supports long-term operation of the gearshift linkage.
Replaces a cracked, split, hardened or missing original boot.
Helps restore the original transmission-tunnel sealing arrangement during restoration.

The boot acts primarily as a protective sealing component. It does not correct worn coupler bushes or gearbox faults, but it helps protect those components from contamination.
Symptoms Of Wear Or Failure:
Because this is a flexible rubber sealing component, deterioration is usually visible rather than producing a specific mechanical fault.

Possible signs include:

Cracks in the rubber.
Splits or tears in the boot.
Rubber becoming hard or brittle.
Boot losing its original shape.
Loose fit around the linkage.
Sections of the boot becoming detached.
Missing boot discovered during servicing.
Dirt or road debris accumulating around the shift coupler.
Moisture reaching the linkage area.
Increased transmission-tunnel noise or draughts where the seal is badly damaged.
Contamination visible around the coupler bushes.
Rubber breaking apart when disturbed during maintenance.

If poor gear selection, excessive gear-lever play or vague shifting is present, the shift coupler bushes, linkage adjustment and gearbox components should also be checked, because the boot itself is not normally responsible for shift precision.
Why Replacement Matters:
The shift coupler is an exposed moving part of the gear-selection linkage. Keeping contamination away from the mechanism helps maintain cleaner operating conditions around the bushes, clamp and linkage joints.

A torn or missing outer boot can allow:

Dirt to collect around the coupler.
Moisture to reach linkage components.
Increased contamination of the bushes.
Greater exposure of metal parts to corrosion.
Noise and air movement through the transmission tunnel opening.
Accelerated deterioration of surrounding components over time.

Replacing a damaged boot restores the intended protective barrier around the coupler.

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

91142429400

91142429400

The product you are viewing cross references to these numbers

Sealing sleeve. Porsche 911 / 930

91142429200/1

Product Information

Sealing sleeve
An OE Match sealing sleeve / shift rod boot designed to protect and seal the gearshift linkage within the transmission tunnel of classic Porsche 911 and 930 models.
Fits:
Porsche 911 - 1972 to 1973 (Sportomatic Only)
Porsche 911 - 1974 to 1986 (Not for G50 Gearbox cars)
Porsche 930 turbo - 1975 to 1988
Diagram ref no. 32
This component plays a key role in both mechanical performance and cabin sealing. It allows smooth movement of the shift rod while protecting the linkage from dirt, moisture, and debris. At the same time, it seals the transmission tunnel, preventing noise, fumes, and heat from entering the cabin.
This OE Match replacement restores proper sealing and linkage protection, making it an essential part during gear linkage servicing, transmission work, or restoration of classic Porsche models.
This shift rod boot seals and protects the gear linkage, ensuring smooth operation while preventing contamination and cabin intrusion.
Function
• Seals transmission tunnel from cabin
• Protects shift rod and coupling from dirt and moisture
• Allows smooth articulation of gear linkage
• Reduces noise, heat, and fumes entering cabin
• Maintains proper gearshift feel and operation
Over time, the rubber boot deteriorates due to heat, age, and mechanical movement. A damaged boot can allow dirt and moisture into the linkage system, leading to increased wear and imprecise shifting. It can also allow noise and fumes into the cabin.
Replacing the boot ensures proper sealing, protects the linkage, and restores original driving comfort and shift quality.
When to replace
• Boot is cracked, split, or hardened
• Increased noise or fumes entering cabin
• During gear linkage or coupler service
• Poor or inconsistent gearshift feel
• As part of restoration or preventative maintenance

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

91142429200

91142429200

The product you are viewing cross references to these numbers

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selector shaft Genuine Porsche part 91142420800