Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
Gearbox Gears / Crown Wheel and Pinion
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
- 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 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 turbo - 1975 to 1989
For 930, 4 speed gearbox
Available with different gear ratios - example - 17:34 (number of teeth on each gear) - 2.00:1 (gear ratio)
17:34 - 2.00:1
20:32 - 1.60:1
19:34 - 1.79:1
19:33 - 1.74:1
16:36 - 2.25:1
18:33 - 1.83:1
20:33 - 1.65:1
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93030290106
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)
Fits:
Porsche 911 - 1965 to 1971
For 901 gearbox
Available with different gear ratios - example - 18:32 (number of teeth on each gear) - 1.78:1 (gear ratio)
18:32 - 1.78:1 (Porsche code "GA")
18:34 - 1.89:1 (Porsche code "F")
17:34 - 2.00:1 (Porsche code "E")
16:35 - 2.19:1 (Porsche code "D")
13:29 - 2.23:1 (Porsche code "CA")
15:36 - 2.40:1 (Porsche code "C")
12:29 - 2.42:1 (Porsche code "C")
14:37 - 2.64:1 (Porsche code "B")
12:34 - 2.83:1 (Porsche code "AA")
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91130290300
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)
Fits:
Porsche 911 - 1965 to 1971
For 901 gearbox
Available with different gear ratios - example - 20:31 (number of teeth on each gear) - 1.55:1 (gear ratio)
20:31 - 1.55:1 (Porsche code "I")
20:32 - 1.60:1 (Porsche code "HA")
19:31 - 1.63:1 (Porsche code "HB")
19:32 - 1.68:1 (Porsche code "H")
19:33 - 1.74:1
17:30 - 1.77:1 (Porsche code "GB")
18:32 - 1.78:1 (Porsche code "GA")
18:33 - 1.83:1 (Porsche code "G")
18:34 - 1.89:1 (Porsche code "F")
17:34 - 2.00:1 (Porsche code "E")
16:35 - 2.19:1 (Porsche code "D")
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91130290400
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche 911 - 1972 to 1986
For 915 gearbox
Available with different gear ratios - example - 21:30 (number of teeth on each gear) - 1.43:1 (gear ratio)
21:30 - 1.43:1 (Porsche ref "LU")
20:31 - 1.55:1
20:32 - 1.60:1 (Porsche ref "KW")
19:31 - 1.63:1
19:32 - 1.68:1 (Porsche ref "JW")
19:33 - 1.74:1
18:32 - 1.78:1 (Porsche ref "HW")
18:33 - 1.83:1 (Porsche ref "HX")
18:34 - 1.89:1 (Porsche ref "HY")
15:29 - 1.93:1 (Porsche ref "ET")
15:30 - 2.00:1
17:35 - 2.06:1
16:35 - 2.19:1 (Porsche ref "FZ")
16.37 - 2.31:1
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91530290239
The product you are viewing cross references to these numbers
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 turbo - 1975 to 1989
For 930, 4 speed gearbox
Available with different gear ratios - example - 18:33 (number of teeth on each gear) - 1.83:1 (gear ratio)
18:33 - 1.83:1
19:34 - 1.79:1
19:33 - 1.74:1
20:34 - 1.70:1
20:33 - 1.65:1
20:32 - 1.60:1
17:26 - 1.53:1
18:26 - 1.44:1
18:25 - 1.39:1
23:31 - 1.35:1
23:30 - 1.30:1
24:30 - 1.25:1
24:29 - 1.21:1
25:28 - 1.12:1
26:28 - 1.08:1
26:27 - 1.04:1
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93030290206
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche 911 - 1972 to 1986
For 915 gearbox
Available with different gear ratios, example - 31:22 (number of teeth on each gear) - 0.59:1 (gear ratio)
31:22 - 0.71:1 ("TL" Porsche reference)
29:22 - 0.76 ("TM" Porsche reference)
28:22 - 0.79:1 ("SM" Porsche reference)
28:23 - 0.82:1 ("SN" Porsche reference)
28:24 - 0.86:1 ("SO" Porsche reference)
27:24 - 0.89:1 ("RO" Porsche reference)
27:25 - 0.93:1
26:25 - 0.96:1
26:26 - 1.00:1
25:26 - 1.04:1
25:27 - 1.08:1
24:27 - 1.13:1
24:28 - 1.16:1
23:27 - 1.17:1
23:28 - 1.22:1
23:29 - 1.26:1
21:27 - 1.29:1
22:29 - 1.32:1
21:29 - 1.38:1
21:30 - 1.43:1 ("LU" Porsche reference)
21:31 - 1.48:1
20:31 - 1.55:1
20:32 - 1.60:1 ("KW" Porsche reference)
20:33 - 1.65:1
22:37 - 1.68:1
Diagram ref no 3 and 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91530290474
The product you are viewing cross references to these numbers
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 turbo - 1975 to 1989
For 930, 4 speed gearbox
Available with different gear ratios - example - 22:29 (number of teeth on each gear) - 1.32:1 (gear ratio)
22:29 - 1.32:1
24:30 - 1.25:1
24:29 - 1.21:1
25:29 - 1.16:1
26:30 - 1.15:1
25:28 - 1.12:1
26:28 - 1.08:1
26:27 - 1.04:1
26:26 - 1.00:1
27:26 - 0.96:1
28:26 - 0.93:1
28:25 - 0.89:1
29:25 - 0.86:1
29:24 - 0.83:1
29:23 - 0.79:1
30:23 - 0.77:1
30:22 - 0.73:1
31:22 - 0.71:1
32:21 - 0.66:1
32:20 - 0.63:1
32:19 - 0.59:1
Diagram ref no 3 and 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93030290304
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)
Fits:
Porsche 911 - 1965 to 1971
For 901 gearbox
Available with different gear ratios - example - 25:26 (number of teeth on each gear) - 1.04:1 (gear ratio)
25:26 - 1.04:1
24:27 - 1.13:1 (Porsche code "Q")
23:27 - 1.17:1 (Porsche code "P")
23:28 - 1.22:1 (Porsche code "O")
23:29 - 1.26:1 (Porsche code "N")
22:29 - 1.32:1 (Porsche code "M")
22:30 - 1.36:1 (Porsche code "L")
21:29 - 1.38:1 (Porsche code "LA")
21:30 - 1.43:1 (Porsche code "K")
21:31 - 1.48:1 (Porsche code "J")
20:31 - 1.55:1 (Porsche code "I")
20:32 - 1.60:1 (Porsche code "HA")
19:31 - 1.63:1 (Porsche code "T")
19:32 - 1.68:1 (Porsche code "H")
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90130290910
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)
Fits:
Porsche 911 - 1965 to 1971
For 901 gearbox
Available with different gear ratios - example - 31:22 (number of teeth on each gear) - 0.71:1 (gear ratio)
31:22 - 0.71:1 (Porsche code "ZD")
29:22 - 0.76:1 (Porsche code "ZA")
29:23 - 0.79:1 (Porsche code "Z")
28:23 - 0.82:1 (Porsche code "Y")
28:24 - 0.86:1 (Porsche code "X")
27:24 - 0.89:1 (Porsche code "W")
27:25 - 0.93:1 (Porsche code "V")
26:25 - 0.96:1 (Porsche code "U")
26:26 - 1.00:1 (Porsche code "T")
25:26 - 1.04:1 (Porsche code "S")
25:27 - 1.08:1 (Porsche code "R")
24:27 - 1.13:1 (Porsche code "Q")
23:27 - 1.17:1 (Porsche code "P")
23:28 - 1.22:1 (Porsche code "O")
23:29 - 1.26:1 (Porsche code "N")
22:29 - 1.32:1 (Porsche code "M")
22:30 - 1.36:1
Diagram ref no 4 and 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90130291310
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche 911 - 1972 to 1986
For 915 gearbox
Available with different gear ratios - example - 9:38 (number of teeth on each gear) - 4.22:1 (gear ratio)
32:19 - 0.59:1
31:21 - 0.68:1
29:21 - 0.72:1
29:22 - 0.76:1
29:23 - 0.79:1
28:23 - 0.82:1
28:24 - 0.86:1
27:24 - 0.89:1
27:25 - 0.93:1
26:25 - 0.96:1
26:26 - 1.00:1
25:26 - 1.04:1
25:27 - 1.08:1
24:27 - 1.13:1
23:28 - 1.22:1
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92330290553
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche 911 - 1972 to 1986
For 915 gearbox
Available with different gear ratios - example -17:34 (number of teeth on each gear) - 2.00:1 (gear ratio)
17:34 - 2.00:1
16:35 - 2.19:1
14:31 - 2.21:1
15:36 - 2.40:1
14:37 - 2.64:1
14:39 - 2.79:1
12:34 - 2.83:1
11:35 - 3.18:1
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91530292116
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)
Fits:
Porsche 911 - 1965 to 1971
For 901 gearbox
Mainshaft only, no gears attached.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90430210100
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)
Fits:
Porsche 911 - 1965 to 1971
Porsche 914 - 1970 to 1976
Please note:
This part is on special order terms and is made to order that could take 6-8+ weeks.
It is not a subject to cancellation or return if not required.
Available with different gear ratios - example - 9:31 (number of teeth on each gear) - 3.44:1 (gear ratio)
9:31 - 3.44:1
8:31 - 3.88:1
8:35 - 4.38:1
7:31 - 4.43:1
6:32 - 5.33:1
Diagram ref no 9
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90130290102
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche 911 - 1972 to 1986
Available with different gear ratios - example - 8:31 (number of teeth on each gear) - 3.875:1 (gear ratio)
8:31 - 3.875:1
8:35 - 4.375:1
7:31 - 4.43:1
Diagram ref no 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91530291116
The product you are viewing cross references to these numbers
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 turbo - 1975 to 1989
For 930, 4 speed gearbox
Available with different gear ratios - example - 9:38 (number of teeth on each gear) - 4.22:1 (gear ratio)
9:38 - 4.22:1
8:37 - 4.63:1
8:40 - 5.00:1
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93030291103
The product you are viewing cross references to these numbers
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Fits:
Porsche 911 - 1986 to 1989
Porsche 964 - 1989 to 1994
Available with different gear ratios - example - 10:31 (number of teeth on each gear) - 3.10:1 (gear ratio)
10:31 - 3.10:1
9:31 - 3.44:1
8:32 - 4.00:1
8.33 - 4.125:1
Diagram ref no 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95030291107
The product you are viewing cross references to these numbers
-
gear wheel sets 4. speed transmission - G 930/34 - 911 1978-83 303-00
-
gear wheel sets 5. speed transmission 911 1978-83 303-10
-
gear wheel sets 4-speed 911 1987-89 303-00
-
gear wheel sets /50 5-speed 911 1987-89 303-10
-
differential 911 1987-89 305-00
-
Gear wheel sets 5-speed transmission for 911 1972 ONWARDS 303-10
-
Gear wheel sets 4-speed transmission gear wheel sets 901/06 + 300/12 911.300/00 standard for 911 E/S, 911 E and 911 T upto 1971 303-20
-
Gear wheel sets 4-speed transmission for 1972 ONWARDS 303-30
-
Differential for manual transmission TYP 915 and sportomatic TYP 925 with armature 911 1970-73 305-05
-
gear wheel sets 4-speed transmission sportomatic for 911 T-E/E/S, CARRERA 2.7 and 911 T-K 1972 ONWARDS 308-10
-
gear wheel sets 4-speed 911 1984-86 303-00
-
gear wheel sets 5-speed 911 - 915.67/69/72 - 1984-86 303-10
-
Differential 911 1984-86 305-00
-
Gear wheel sets 4-speed 911 1974-77 303-00
-
Gear wheel sets 5-speed 911 1974-77 303-10
-
Differential 911 1974-77 305-00
-
Gear wheel sets 911 1974-77 309-00
-
gear wheel sets 5-speed transmission for 911 UPTO 1971 303-00
-
differential with chilled casting or die casting housing without armature 911 1970 305-00
-
gear wheel sets for 4-speed transmission sportomatic for 911 T/E/S/ UPTO 1971 and 911 T-V 1972 ONWARDS 308-00
-
gear wheel sets 5-speed transmission 911 1965-69 303-00
-
gear wheel sets 4-speed transmission 911 1965-69 303-10
-
differential for 911 TU / 912 1968 305-05
-
differential with chilled casting or die casting housing for 911 1969 305-15
-
gear wheel sets sportomatic 911 1965-69 308-00
-
gear wheel sets 4-speed transmission 303-00
-
gear wheel sets 911 TURBO 1975-77 303-05
-
differential 911 TURBO 1975-77 305-00
OEMatch Gearbox Gears, Crown Wheel & Pinion — Engagement, Smoothness, Control
OEMatch supplies gearbox gears, crown wheel and pinion for Porsche models. These precision-cut components are offered as direct-fit replacements engineered to match original-spec dimensions and tolerances, providing a practical option when genuine parts are unavailable. They are suitable for restoration, gearbox rebuilds and upgraded applications where attention to ratio and durability is required.
Available Types- Standard-ratio gearbox gears for road use
- Performance-ratio gears for modified engines and track use
- Crown wheel and pinion sets for differential rebuilds
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original gearbox gears and crown wheel & pinion.
OE (Original Equipment) refers to parts matching original specifications for the gearbox gears and crown wheel & pinion and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM gearbox gears and crown wheel & pinion engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
These components are typically cut from case-hardened steel, finished with precision machining and balanced to control noise and wear. Correct tooth form, surface treatment and hardness are key to long service life and smooth torque transfer, and selection should reflect the vehicle’s intended use.
- Restores quiet, efficient gearbox and differential operation
- Reduces gear noise and backlash when fitted correctly
- Improves torque delivery and throttle response in rebuilt gearboxes
- Contaminated or degraded gearbox oil leading to accelerated wear
- Pitting and scoring from overload or insufficient lubrication
- Misalignment caused by worn bearings or damaged housings
- Heat distortion from sustained high-load or track use
- Incorrect installation or backlash setting errors
Replacing worn or damaged gearbox gears, crown wheels and pinions restores drivetrain precision and helps maintain consistent power delivery in Porsche models. Fitted parts correct gear engagement, reduce stress on bearings and shafts and support long-term reliability after a rebuild. OEMatch items are selected to align with Porsche specifications and to assist technicians and restorers in matching ratios and installation requirements.
Advantages- Available in standard and performance ratio options for restoration or upgrade projects
- Manufactured and finished to control noise and minimise wear
- Supplied with information to support correct installation and setup
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, bearing condition or backlash settings, consult a specialist with Porsche experience.