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Operating Sleeve / Slider and Parts
By OE Match
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
This OE Match gearshift sleeve is a replacement transmission synchroniser sleeve for 3rd and 4th gear on Porsche 911 models from 1966 to 1977. It is designed to match the original-style fit and function, helping restore smooth and accurate gear engagement.
Sold individually
Fits:
Porsche 911 1966-71 901 gearbox
Porsche 911 1972-77 915 gearbox
for Narrow Guide Sleeve
Diagram ref no 13
The gearshift sleeve forms part of the gearbox synchroniser assembly. During gear changes, it moves to engage the selected gear, working with the synchro hub, synchro rings, and dog teeth to help the gearbox shift cleanly between 3rd and 4th gear.
Functions
• Replaces the 3rd–4th gear synchroniser / gearshift sleeve
• Helps engage 3rd and 4th gears correctly
• Supports smooth and accurate gear changes
• Works with the synchro hub, synchro rings, and dog teeth
• Helps reduce gear selection issues when replacing worn components
• Suitable for gearbox rebuilds and transmission repair
• OE Match replacement for classic Porsche gearbox service.
Why Replace This Part?
Gearshift sleeves can wear due to repeated gear changes, high mileage, poor lubrication, worn synchro components, or gearbox abuse. A worn or damaged sleeve may cause difficult gear selection, crunching, baulking, jumping out of gear, or poor shift feel. Replacing the sleeve during gearbox overhaul helps restore correct synchroniser operation and reliable gear engagement.
When to Replace
• This Part 3rd or 4th gear is difficult to select
• Gear changes feel notchy, rough, or inconsistent
• Crunching or baulking occurs during 3rd–4th gear shifts
• The gearbox jumps out of gear
• The sleeve teeth are worn, chipped, rounded, or damaged
• The synchro rings, hubs, or dog teeth are being replaced
• The gearbox is being rebuilt or inspected.
Where it fits on the car
This gearshift sleeve fits inside the gearbox synchroniser assembly for 3rd and 4th gear. It is part of the internal transmission gear selection system and should be installed according to the factory gearbox layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91130241110
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 914 (1970-1976)
Fits:
Porsche 911 65-71 (901 Gearbox)
Porsche 914 / 914-6 1970-76
Click 'Zoom in' for large parts diagram.
Diagram ref no 42
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91130222602
The product you are viewing cross references to these numbers
OEMatch Operating Sleeve / Slider and Parts — Engagement, Smoothness, Control
Operating sleeves, sliders and associated parts restore precise gear engagement and reduce shift noise and wear in Porsche manual transmissions. These items suit gearbox rebuilds, restorations and higher-load applications where accurate engagement and consistent operation are required.
Available Types
- Operating sleeves (shift sleeves) for common Porsche gearboxes
- Sliders and selector forks
- Associated rebuild items such as synchro rings and dog teeth
Understanding OEMatch Operating Sleeve / Slider and Parts
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original operating sleeves and sliders.
OE (Original Equipment) refers to parts matching original specifications for the operating sleeves and sliders and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM operating sleeves and sliders engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Operating sleeves and sliders transfer selector movement to the synchro hub and dog teeth, allowing one gear to disengage while another engages. They work alongside synchro rings to equalise rotational speeds and help avoid grinding; correct geometry and surface condition are important for smooth, repeatable shifting.
Benefits Include
- Restores smooth, accurate gear changes and reduces grinding
- Limits additional wear to synchros and gear teeth during engagement
- Supports consistent shift feel after a rebuild or repair
Why Operating Sleeve / Slider and Parts Wear and Fail
- Gradual wear of engagement teeth and sliding surfaces from repeated shifting
- Poor lubrication or contaminated lubricant increasing friction and fatigue
- Misalignment, worn synchros or excessive heat during high‑load use
The Importance of Replacing with OEMatch Operating Sleeve / Slider and Parts
Timely replacement of worn sleeves and sliders restores reliable gear selection and helps prevent secondary damage inside the gearbox. When rebuilding a transmission, renewing these parts together with synchro rings and related items reduces the risk of premature wear and improves long‑term operation for Porsche models.
Advantages
- Precision machining and hardened materials to resist wear
- Dimensional accuracy to support correct alignment and engagement
- Suitable for road, restoration and higher‑load applications
Support & Advice
Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified. If you are unsure about setup, slider condition or backlash settings, consult a specialist with Porsche experience.
