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- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
Gearbox Detent for 915 Gearbox
Sold each
Fits:
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
Diagram Ref No 21
What This Product Does
The detent operates within the transmission selector assembly, where it provides a locating and retaining action. Depending on the gearbox application, it is installed within the transmission case, gear housing or front transmission cover.
Functions
- Provides a defined locating point within the selector mechanism
- Assists with retaining the associated internal component in position
- Supports controlled selector movement inside the gearbox
- Replaces a worn or damaged detent during transmission inspection or rebuilding
Technical Details
- Part number: 91530313100
- Manufacturer: Porsche
- Component description: transmission detent or detent catch
- Identified as a short detent in applicable Type 915 transmission diagrams
- Diagram quantity varies between one, three and four according to the transmission assembly
Symptoms of Fault
- Notchy or difficult gear selection
- Less positive engagement through the selector mechanism
- A selected gear unexpectedly disengaging
- Visible scoring, wear or deformation found during gearbox dismantling
- Metal particles in drained transmission oil requiring further internal inspection
Why Replacement Matters
Wear or damage to the detent can affect the intended movement and retention of the selector assembly. Renewal during a transmission overhaul helps return the mechanism to its specified configuration. The corresponding spring, sleeve, locking components, selector parts, casing surfaces, seals and transmission oil should also be inspected while the gearbox is dismantled.
FAQs
- Is this detent used with a Type 915 gearbox?
It is identified in Type 915 transmission case and gear housing diagrams, as well as selected related transmission assemblies. Confirm the gearbox code and part number before ordering. - How many detents are required?
The quantity depends on the particular transmission and diagram. The supplied exploded diagrams specify assemblies using one, three or four pieces. - Should associated parts be checked?
Yes. Inspect the spring, sleeve, selector components, locking parts, housing surfaces and lubricant for evidence of wear or damage.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91530313100
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356 1950-65
Porsche 911 1965-70
Porsche 911 1965-68 Sportomatic Gearbox
Porsche 914 1970-76
Click 'Zoom in' for large parts diagram.
Diagram ref no 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99911318540
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 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 356B 1959-63
- Porsche 356C 1963-65
- Porsche 914 (1970-1976)
Fits:
Porsche 356B / 356C 1960-65
Porsche 911 1965-89
Porsche 914-6 / 914-6:SPM 1970-76
Click 'Zoom in' for large parts diagram.
Diagram ref no 13
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91430130701
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
Fits:
Porsche 356 Pre-A
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
51920105
The product you are viewing cross references to these numbers