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synchronizer ring Genuine Porsche part 92830230231

Code: 92830230231

Genuine Porsche part

synchronizer ring

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

Synchro Brake Band 1st Gear Porsche 911 1974-86 (915 Gearbox)

92830231908/1

Product Information

Synchro Brake Band 1st Gear.
Manual transmission Synchro / Brake Band (Synchroniser band) engineered to match Porsche’s original specifications. Provides friction control during gear synchronisation, allowing smooth and quiet gear changes.

Fits:
Porsche 911 1974 - 1986 (915 Gearbox)

Diagram ref no 37

The synchro / brake band is part of the gearbox synchroniser system, helping to slow or control rotation of a gear or hub during shift transitions, promoting smooth engagement and preventing clash. It works in concert with the synchroniser rings, hubs, sleeves, and gearsets to align speeds of rotating parts before lock-in. Proper material, friction surface, and design are critical — the band must provide the correct friction characteristics without binding or excessive wear.

•  Installation: Direct OE replacement — recommended during gearbox overhaul
•  Position / Location: This part is located inside the manual transmission, within the synchroniser assembly — the mechanism that equalizes gear and shaft speeds for smooth engagement. It wraps around the synchroniser hub and works with the synchro ring and dog teeth gear to provide friction and control during shifting.
•  Benefits: Restores synchroniser performance, eliminates grinding, reduces wear on gears and rings

Why replacement matters:
•  With use, the original band’s friction surfaces can glaze, wear, or lose consistency, impairing its ability to slow or stabilise gear/hub motion during shifting.
•  A worn or ineffective brake / synchro band can result in grinding gears, missed shifts, or gear clash, especially under load or during aggressive shifting.
•  Installing a high-quality replacement restores proper friction behaviour, enabling smooth engagement, reducing wear on adjacent synchroniser elements, and extending transmission life.
•  Because the transmission internals are sensitive to mismatches or degraded components, having a reliable replacement band ensures system integrity and maintains the “feel” of the gearbox.

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Related, superseded, cross reference or alternative numbers for comparison.

92830231908

92830231908

The product you are viewing cross references to these numbers

Synchro brake band 2nd gear. Porsche 911 1974-86 (915 Gearbox)

92830231801/1

Product Information

Synchro Brake Band 2nd Gear.
The OE Match 2nd Gear Synchro Brake Band is a high-quality replacement transmission component designed to ensure smooth and precise engagement of second gear in Porsche manual gearboxes. Manufactured to OE specifications for fit, accuracy and durability, this brake band forms an integral part of the synchroniser assembly, helping to equalise gear speeds before engagement occurs.

Fits:

Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
Porsche 911 1978-1983 3.0L / SC
Porsche 911 1984-1986 3.2L

Diagram Ref No 39

Working alongside the synchroniser ring, dog teeth, synchroniser hub and selector sleeve, the synchro brake band creates the friction required to slow or accelerate rotating gearbox components, allowing second gear to engage smoothly and efficiently. Precision engineering ensures reliable gear synchronisation, improved shift quality and reduced wear on internal transmission components.

What This Product Does:

Assists in synchronising gear speeds before second gear engagement.
Works as part of the transmission synchroniser assembly.
Helps provide smooth and accurate gear changes.
Reduces gear clash and grinding during shifting.
Supports proper operation of the synchroniser ring and hub.
Minimises wear on transmission engagement components.
Contributes to reliable manual gearbox performance.

Symptoms Of Wear Or Failure:

Difficulty engaging second gear.
Gear grinding or crunching when shifting into second.
Increased resistance during gear changes.
Notchy or inconsistent shift quality.
Requirement to shift slowly to avoid gear clash.
Excessive gearbox noise during gear engagement.
Poor synchronisation between gear and shaft speeds.
Accelerated wear of synchro rings, dog teeth and selector sleeves.

Why Replacement Matters:

The synchro brake band is subjected to constant friction and wear every time second gear is selected. Over time, the friction surfaces can wear down, reducing the component's ability to equalise rotational speeds before gear engagement. This can result in difficult shifting, gear clash and increased stress on other synchroniser components.
A worn brake band can compromise synchroniser performance and accelerate wear throughout the gearbox. If left unresolved, continued operation may lead to damage of synchro rings, dog teeth and selector sleeves, potentially resulting in more extensive and costly transmission repairs.
Replacing a worn synchro brake band restores proper synchronisation, improves shift quality and helps protect the gearbox from premature internal wear. An OE Match replacement provides factory-style fitment, precision manufacturing and long-term durability, ensuring smooth and dependable transmission operation for your Porsche.

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

92830231801

92830231802

92830231801

The product you are viewing cross references to these numbers

Synchro Brake Band 1st Gear. Porsche 911 1974-86 (915 Gearbox)

92830231908

Product Information

Synchro Brake Band 1st Gear.
The 92830231908 is a genuine Porsche synchroniser brake band (often referred to as a synchro band or braking ring) used inside Porsche manual gearboxes.

Fits:
Porsche 911 1974 - 1986 (915 Gearbox)

Diagram ref no 37

•  This synchro brake band is located inside the manual transmission (gearbox) — not externally visible.
•  It forms part of the synchroniser mechanism, mounted between the hub sleeve and gear cone.
•  Its job is to provide controlled friction to help the synchro ring synchronise gear speed during shifting.

The synchro / brake band operates under constant friction every time the driver shifts gears. Over years of driving, this friction causes wear on the band’s friction surface and tension. When it wears out:
•  Gear changes become stiffer or notchy
•  Drivers may experience grinding noises when shifting into 1st or 2nd gear
•  The transmission may “crunch” or resist engaging lower gears
•  There may be slippage or hesitation before the gear fully engages.
If ignored, a worn synchro band can damage associated parts — like the synchro rings, hubs, or even gear teeth.

Replacement is recommended during:
•  Transmission rebuilds or overhauls (especially if the gearbox is open)
•  When experiencing hard or noisy shifting into 1st or 2nd gear
•  After high mileage or track use, where shifting load is higher
•  Anytime a synchro ring or gear hub is replaced — the band should be renewed at the same time.
Because it’s an internal gearbox part, it’s most efficiently replaced during gearbox servicing or clutch/transmission removal work.

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

92830231908

92830231908

The product you are viewing cross references to these numbers

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synchronizer ring Genuine Porsche part 92830230231