901 / O-Series
Page 95 of 288 — 27,561 parts.
- Porsche AG↗🇩🇪
O-Ring Coolant Crossover Pipe to Drive Belt Tensioner Console - 911 01-13 999-707-411-40
Seal listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Narrow V Belt - 9.5mm x 695mm - 911 80-89 999-192-313-5A
V-Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
Generator Pulley Hub, 356A/356B/356C/912/356SC
Generator Pulley Hub listed for the 901.
Electrical901 - Sierra Madre Collection↗🇺🇸
Belt - Alternator - 10 X 700, 911
Belt - Alternator - 10 X 700 listed for the 901, g-series.
Cooling & Lubrication901g-series - Porsche AG↗🇩🇪
Door Window Belt Weatherstrip Right - 911/Boxster/Cayman 07-13 997-537-086-03
Weatherstrip listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 986, 987, 981, 982.
Cooling & Lubrication901g-series964993996997991992986987981982 - Porsche AG↗🇩🇪
Door Window Belt Weatherstrip Left - 911/Boxster/Cayman 07-13 997-537-085-03
Weatherstrip listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 986, 987, 981, 982.
Cooling & Lubrication901g-series964993996997991992986987981982 - Sierra Madre Collection↗🇺🇸
V-Belt - 964 89-94 999-192-352-50
V-Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - URO Parts↗🇺🇸
Timing Tensioner Support Shaft - 911/914/930 65-89 930-105-060-S
Support Shaft listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 914.
Engine Internals901g-series964993996997991992914 - Porsche AG↗🇩🇪
Three Point Seat Belt Left - 911 07-13 99780303307N13
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
Support Bracket for Chain Tensioner Oil Pipe - 911 83-92 930-107-342-01
Support Bracket listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
Timing Chain Tensioner Gasket - 89-05 964-105-177-03
Gasket listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992 - Porsche AG↗🇩🇪
Seat Belt Rosette Left - 911 05-08 99755506101A03
Rosette listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Seat Belt Rosette Right - 911 05-13
Rosette listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Seat Belt Buckle Latch Driver Side - 911 10-15 997-803-183-11
Buckle Latch listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Seatbelt Mounting Cap - 911 89-98 964-803-141-00
Cap listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Dansk / SSI (JP Group)↗🇩🇰
Seat Belt Anchor Plate Set - Left/Right - 911/912 65-68 1684001510
Anchor Plate Set listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
Hastech Engineering Design Porsche 911 65-89 Billet Chain Tensioners H911-390-KIT
Billet Chain Tensioners listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992 - Bilstein↗🇩🇪
Oil Pump Chain Tensioner - 997/Boxster/Cayman 09-15 9A1-105-235-02
Chain Tensioner listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 986, 987, 981, 982.
Engine Internals901g-series964993996997991992986987981982 - Porsche AG↗🇩🇪
Oil Bridge for Chain Tensioner - 993 95-98 993-107-088-00
Oil bridge listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992 - Porsche AG↗🇩🇪
Fan Pulley Shim - 911 94-98 964-106-268-32
Shim listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - URO Parts↗🇺🇸
Drive Belt Tensioner Lever & Pulley - 911/Boxster/Cayman 09-16 0PB-903-308-KIT
Lever & Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 986, 987, 981, 982.
Cooling & Lubrication901g-series964993996997991992986987981982 - Porsche AG↗🇩🇪
Fan Half Pulley - 911 89-98 964-106-511-02
Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Drive Belt Tensioner Pulley - 997 09-12 9A1-102-211-01
Tensioner Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
Drive Belt Idle Roller - Upper - 97-08 996-102-118-56
Idle Roller listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Drive Belt Idle Roller - Lower - 911/Boxster 996-102-119-58
Deflection Roller listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 986, 987, 981, 982.
Cooling & Lubrication901g-series964993996997991992986987981982 - Sierra Madre Collection↗🇺🇸
Chain Tensioner Guard Set - 911/930 65-83 99-0458-053
Guard Set listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
Drive Belt - 997/Boxster/Cayman 09-12 9A1-102-216-01
Drive Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 986, 987, 981, 982.
Cooling & Lubrication901g-series964993996997991992986987981982 - Sierra Madre Collection↗🇺🇸
Air Pump V Belt - 911/912 65-75 999-192-018-50
V-Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
Under Drive Pulley - Boxster 911/Boxster/Cayman 97-12 RB986-1
Drive Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 986, 987, 981, 982.
Restoration & Obsolete Parts901g-series964993996997991992986987981982 - Sierra Madre Collection↗🇺🇸
V-Belt - 928/964/993 90-98 999-192-335-50
V-Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 928.
Cooling & Lubrication901g-series964993996997991992928 - Porsche AG↗🇩🇪
Three Point Seat Belt Left - 911 02-13 99780303308A23
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Three Point Seat Belt Right - 911 10-13 99780303412N13
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Three Point Seat Belt With Inertia Reel Black - 911 85-12 9938030210070B
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - URO Parts↗🇺🇸
Tensioner Lever Bolt - 911/Boxster/Cayman 09-20 PAF-008-343
Tensioner Lever Bolt listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 986, 987, 981, 982.
Engine Internals901g-series964993996997991992986987981982 - Sierra Madre Collection↗🇺🇸
Single Drive Belt - 996/997 04-08 996-102-151-93
Drive Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Timing Chain Tensioner - 966/Boxster 97-00 996-105-180-59
Chain Tensioner listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 986, 987, 981, 982.
Engine Internals901g-series964993996997991992986987981982 - Porsche AG↗🇩🇪
Seat Belt Trim Cover Black - 911 84-94 9115556270001C
Cover listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Seat Belt Buckle Latch Passenger Side - 911 10-13
Buckle Latch listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Seat Belt Black - 911 89-94 9648030330570B
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Seat Belt Red - 911 85-12 96480303304N13
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Seat Belt Trim Black - 911 89-98 9645555110101C
Trim listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Seat Belt Bracket - 911/912 65-73 901-555-613-00
Seat Belt Bracket listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
Serpentine Fan Belt Conversion - 993 95-98 9101-67
Serpentine Fan Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
Serpentine Fan Belt Kit with A/C - 964 90-94 9101-63
Serpentine Fan Belt Kit listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Right Seat Belt Rosette Black - 911 06-13 99755567202A03
Rosette listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Left Seat Belt Rosette Sand Beige - 911 06-13 997555671025Z1
Rosette listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
Hex Bolt 11 x 22 for Seat Belt 911-803-451-00
Bolt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
LN Engineering Billet Porsche 964/993 Chain Tensioner Oil Bridge 99310708800LN
Chain Tensioner Oil Bridge listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series9649939969979919926061-T6 AluminiumAluminium (alloy not disclosed) - Sierra Madre Collection↗🇺🇸
Power Steering Toothed V Belt 89-94 964-147-187-03
V-Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Suspension & Chassis901g-series964993996997991992 - Porsche AG↗🇩🇪
Fan Belt Pulley - 911 95-98 993-106-510-50
Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Fan Belt Pulley - 911 95-98
Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Drive Belt Tensioner Lever Bushing - 997/Boxster/Cayman 05-08 997-102-165-00
Bushing listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 986, 987, 981, 982.
Suspension & Chassis901g-series964993996997991992986987981982 - Porsche AG↗🇩🇪
Drive Belt Idle Roller - 996/997/Boxster/Cayman 99-08 997-102-118-00
Idle Roller listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 986, 987, 981, 982.
Cooling & Lubrication901g-series964993996997991992986987981982 - Porsche AG↗🇩🇪
Drive Belt Tensioner Lever Bolt - 997/Boxster/Cayman 09-15 999-073-579-01
Bolt listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 986, 987, 981, 982.
Cooling & Lubrication901g-series964993996997991992986987981982 - Porsche AG↗🇩🇪
Fasten Seat Belt Warning Light - 911/930/914 74-77 911-632-012-01
Warning Light listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 914.
Cooling & Lubrication901g-series964993996997991992914 - Sierra Madre Collection↗🇺🇸
Fasten Seat Belt Warning Light - 911/930/944 911-632-013-04
Light listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 944.
Cooling & Lubrication901g-series964993996997991992944 - Sierra Madre Collection↗🇺🇸
Drive Belt Tensioner Roller - 996/Boxster/Cayman 97-08 996-102-117-57
Tensioner Roller listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 986, 987, 981, 982.
Cooling & Lubrication901g-series964993996997991992986987981982 - Porsche AG↗🇩🇪
Drive Belt Tensioner Lever Bushing - 97-08 996-102-365-50
Bushing listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Suspension & Chassis901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
Drive Belt Tensioner Lever - 97-08 996-102-360-51
Tensioner Lever listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
Chain Tensioner Oil Line Clamp Bolt (4 X 10 mm), 911
Chain Tensioner Oil Line Clamp Bolt (4 X 10 mm) listed for the 901, g-series, 964.
Engine Internals901g-series964 - Porsche AG↗🇩🇪
Crankshaft Pulley Dampener - 911 05-08 997-102-241-01
Pulley Dampener listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992 - Porsche AG↗🇩🇪
Crankshaft Pulley - 911 95-98 993-102-050-01
Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992 - Porsche AG↗🇩🇪
Crankshaft Pulley - 911 89-94 964-102-050-01
Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
Crank Trigger Adapter - 127mm Pulley - 911 72-89 9101-127
Crank Trigger Adapter listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
Crankshaft Pulley 131mm Titanium - 911 74-77 PM-O332-0
Crankshaft Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992Titanium (grade not disclosed) - Sierra Madre Collection↗🇺🇸
Crankshaft Pulley 134mm Titanium - 911 78-83 PM-O330-0
Crankshaft Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992Titanium (grade not disclosed) - Sierra Madre Collection↗🇺🇸
Crankshaft Pulley - A/C - 964 89-94 RS-142AC
Crankshaft Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992 - Porsche AG↗🇩🇪
Alternator Pulley - Double 82mm 76-79 911-106-208-00
Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Electrical901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
Alternator Pulley - 996/Boxster/Cayman 97-08 997-603-154-00
Alternator Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992, 986, 987, 981, 982.
Electrical901g-series964993996997991992986987981982 - Sierra Madre Collection↗🇺🇸
Air Pump Toothed V Belt - 911 Turbo 78-94 999-192-131-50
V-Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Induction & Charging901g-series964993996997991992 - Porsche AG↗🇩🇪
V-Belt - 911 07-11 997-102-151-92
V-Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
V-Belt Pulley Half Shim - 911 75-77 911-106-212-00
Shim listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
V-Belt Pulley Half - 911/912 65-69 901-603-421-00
Pulley Half listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
York A/C Pulley - 911 65-83 1001-11
York Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Restoration & Obsolete Parts901g-series964993996997991992 - Sierra Madre Collection↗🇺🇸
V Belt - 911 93 SMC-15290
V-Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
V-Belt Pulley - 911 with Factory A/C 76-77 911-102-022-01
Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
V-Belt Pulley - 911 with Factory A/C 74-75 911-102-015-50
Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
V-Belt Pulley - 911 with 3.0 Engine - 74-77 911-102-017-04
Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
V-Belt Pulley - 930 76-77 930-102-126-01
Pulley listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Timing Chain Tensioner Blade Left - 911 78-94 911-561-341-01
Tensioner Blade listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992 - Porsche AG↗🇩🇪
Timing Chain Tensioner Blade Right - 911 78-94 911-561-342-01
Tensioner Blade listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992 - Porsche AG↗🇩🇪
Six Point Seat Belt Red - 911 10-13 997-803-037-90
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Three Point Seat Belt Right - 911 06-13 99780303613A23
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Three Point Seat Belt Right - 911 05-13 99780303603A23
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Three Point Seat Belt Left - 911 05-12 99780303505U01
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Three Point Seat Belt Left - 911 05-13
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Three Point Seat Belt Left - 911 05-13 99780303501A23
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Three Point Seat Belt Right - 911 02-13 99780303416A23
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Three Point Seat Belt Right - 911 07-13 99780303413A23
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Three Point Seat Belt Left - 911 99-13 99780303307A23
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Three Point Seat Belt Left - 911 10-13
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Three Point Seat Belt Left - 911 10-13 99780303306N13
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Tensioner Blade - 911 07-13 997-105-165-70
Tensioner Blade listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992 - Porsche AG↗🇩🇪
Three Point Seat Belt With Inertia Reel Black - 911 95-98 9938030220270B
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Three Point Seat Belt With Inertia Reel - Left Black - 911 95-98 9938030210270B
Seat Belt listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Cooling & Lubrication901g-series964993996997991992 - Porsche AG↗🇩🇪
Tensioner Screw - 911 07-13 964-105-171-03
Screw listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Engine Internals901g-series964993996997991992