Factory parts data · Europe
Enquiry 0

Toyota Cresta

1988-08 → 1992-10 · chassis GX81,LX80,MX83,SX80,YX80,JZX81 · catalogue 313160 · Japan

Discontinued model Data version 1993-06
Parts groups Model variants Characteristics Frame ranges Catalogue groups Illustration notes Newest parts Spec codes
Exploded illustration MAE048C 9010510297 — not listed in this catalogue 17271 — INSULATOR, TURBO, NO.1 (4 parts) 9017910094 — not listed in this catalogue 9010508084 — not listed in this catalogue 9017910094 — not listed in this catalogue 17278 — GASKET, TURBO TO EXHAUST MANIFOLD (3 parts) 9017908150 — not listed in this catalogue 9010508254 — not listed in this catalogue 17141 — MANIFOLD, EXHAUST (13 parts) 17159 — BOLT, STUD(FOR MANIFOLD TO CYLINDER HEAD) (24 parts) 17190 — TANK ASSY, INTAKE AIR SURGE (1 parts) 17141 — MANIFOLD, EXHAUST (13 parts) 17159 — BOLT, STUD(FOR MANIFOLD TO CYLINDER HEAD) (24 parts) 9040451319 — not listed in this catalogue 1708 — not listed in this catalogue 17129E — UNION, NO.3 (5 parts) 17129J — PLUG, TIGHT(FOR INTAKE AIR SURGE TANK) (10 parts) 17278 — GASKET, TURBO TO EXHAUST MANIFOLD (3 parts) 9040605007 — not listed in this catalogue 17173 — GASKET, EXHAUST MANIFOLD TO HEAD (14 parts) 17129J — PLUG, TIGHT(FOR INTAKE AIR SURGE TANK) (10 parts) 15471 — GASKET, TURBO OIL INLET (4 parts) 17177 — GASKET, INTAKE MANIFOLD TO HEAD, NO.1 (12 parts) 17173 — GASKET, EXHAUST MANIFOLD TO HEAD (14 parts) 15481 — PIPE, TURBO OIL, NO.1 (2 parts) 15471 — GASKET, TURBO OIL INLET (4 parts) 15482 — PIPE, TURBO OIL, NO.2 (2 parts) 15481A — BOLT, UNION, NO.1 (2 parts) 15474B — CLAMP OR CLIP(FOR TURBO OIL OUTLET HOSE) (4 parts) 15481B — GASKET(FOR UNION BOLT NO.1) (2 parts) 15481B — GASKET(FOR UNION BOLT NO.1) (2 parts) 15474A — HOSE, TURBO OIL OUTLET (2 parts) 9017908054 — not listed in this catalogue 17111 — MANIFOLD, INTAKE (18 parts) 15474 — PIPE, TURBO OIL OUTLET (3 parts) 15474B — CLAMP OR CLIP(FOR TURBO OIL OUTLET HOSE) (4 parts) 17179A — GASKET, INTAKE MANIFOLD, NO.2 (4 parts) 9033903017 — not listed in this catalogue 15482A — BOLT, UNION, NO.2 (2 parts) 15492A — CLIP(FOR TURBO OIL OUTLET HOSE NO.2) (1 parts) 15482B — GASKET(FOR UNION BOLT NO.2) (2 parts) 15492 — HOSE, TURBO OIL OUTLET, NO.2 (1 parts) 9165161020 — not listed in this catalogue 91511B0816 — not listed in this catalogue 15482B — GASKET(FOR UNION BOLT NO.2) (2 parts) 15492A — CLIP(FOR TURBO OIL OUTLET HOSE NO.2) (1 parts) 91611B0825 — not listed in this catalogue 17125 — STAY, SURGE TANK, NO.1 (6 parts) 15472 — GASKET, TURBO OIL OUTLET, NO.1 (2 parts) 91511B0816 — not listed in this catalogue
MAE048C · 35 callouts, 15 unlisted Full size ↗
Dashed callouts are standard fasteners the factory draws but does not list as separate parts — there is no part number behind them.
143 parts on this figure
Part number Description Fitment Price
15471 — Gasket, Turbo Oil Inlet
15471-54010 Gasket, Turbo Oil Inlet
1988-08 → 1989-07 ended
2LT LX80 ¥740
15471-58010 Gasket, Turbo Oil Inlet
1989-07 → 1992-10 ended
2LT LX80 ¥680
15471-88341 Gasket, Turbo Oil Inlet
1988-08 → 1990-08 ended
1GGTE GX81 ¥820
15471-88380 Gasket, Turbo Oil Inlet
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥810
15472 — Gasket, Turbo Oil Outlet, NO.1
15472-88340 Gasket, Turbo Oil Outlet, NO.1
1988-08 → 1990-08 ended
1GGTE GX81 ¥580
15472-88400 Gasket, Turbo Oil Outlet, NO.1
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥580
15474 — Pipe, Turbo Oil Outlet
15474-88341 Pipe, Turbo Oil Outlet
1988-08 → 1990-08 ended
1GGTE GX81 ¥10,500
15474-88400 Pipe, Turbo Oil Outlet
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥5,500
15476-54020 Pipe, Turbo Oil Outlet
1988-08 → 1992-10 ended
2LT LX80 ¥910
15474A — Hose, Turbo Oil Outlet
15491-54020 Hose, Turbo Oil Outlet
1988-08 → 1992-10 ended
2LT LX80 ¥1,970
15491-88400 Hose, Turbo Oil Outlet
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥1,800
15474B — Clamp OR Clip(FOR TURBO OIL OUTLET HOSE)
90467-26002 Clamp OR Clip(FOR TURBO OIL OUTLET HOSE)
1988-08 → 1992-01 ended
2LT LX80 ¥230
90467-26003 Clamp OR Clip(FOR TURBO OIL OUTLET HOSE)
1990-08 → 1992-01 ended
1JZGTE JZX81 ¥370
90467-26003 Clamp OR Clip(FOR TURBO OIL OUTLET HOSE)
1992-01 → 1992-10 ended
1JZGTE JZX81 ¥370
90467-26003 Clamp OR Clip(FOR TURBO OIL OUTLET HOSE)
1992-01 → 1992-10 ended
2LT LX80 ¥370
15481 — Pipe, Turbo Oil, NO.1
15481-88341 Pipe, Turbo Oil, NO.1
1988-08 → 1990-08 ended
1GGTE GX81 ¥10,900
15481-88400 Pipe, Turbo Oil, NO.1
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥8,100
15481A — Bolt, Union, NO.1
90401-12009 Bolt, Union, NO.1
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥260
90401-12025 Bolt, Union, NO.1
1988-08 → 1990-08 ended
1GGTE GX81 —
15481B — Gasket(FOR UNION BOLT NO.1)
90430-12110 Gasket(FOR UNION BOLT NO.1)
1988-08 → 1992-10 ended
1GGTE GX81 ¥170
90430-12110 Gasket(FOR UNION BOLT NO.1)
1988-08 → 1992-10 ended
1JZGTE JZX81 ¥170
15482 — Pipe, Turbo Oil, NO.2
15482-88341 Pipe, Turbo Oil, NO.2
1988-08 → 1990-08 ended
1GGTE GX81 ¥9,100
15482-88400 Pipe, Turbo Oil, NO.2
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥10,900
15482A — Bolt, Union, NO.2
90401-12009 Bolt, Union, NO.2
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥260
90401-12025 Bolt, Union, NO.2
1988-08 → 1990-08 ended
1GGTE GX81 —
15482B — Gasket(FOR UNION BOLT NO.2)
90430-12110 Gasket(FOR UNION BOLT NO.2)
1988-08 → 1992-10 ended
1GGTE GX81 ¥170
90430-12110 Gasket(FOR UNION BOLT NO.2)
1988-08 → 1992-10 ended
1JZGTE JZX81 ¥170
15492 — Hose, Turbo Oil Outlet, NO.2
15492-88400 Hose, Turbo Oil Outlet, NO.2
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥1,960
15492A — Clip(FOR TURBO OIL OUTLET HOSE NO.2)
90467-26003 Clip(FOR TURBO OIL OUTLET HOSE NO.2)
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥370
17111 — Manifold, Intake
17101-54090 Manifold, Intake
1988-08 → 1989-08 ended
2L# LX80 ¥23,200
17101-54091 Manifold, Intake
1989-08 → 1990-04 ended
2L# LX80 ¥23,500
17101-54092 Manifold, Intake
1990-04 → 1992-10 ended
2L# LX80 ¥22,800
17101-70031 Manifold, Intake
1988-08 → 1990-08 ended
1GGZE GX81 ¥73,400
17101-70050 Manifold, Intake
1988-08 → 1990-08 ended
1GFE GX81 ¥65,400
17101-70070 Manifold, Intake
1990-08 → 1991-08 ended
1GFE GX81 ¥73,400
17101-70080 Manifold, Intake
1991-08 → 1992-10 ended
1GFE GX81 ¥65,300
17101-74130 Manifold, Intake
1988-08 → 1990-08 ended
4SFI SX80 ¥28,400
17101-74160 Manifold, Intake
1990-08 → 1992-10 ended
4SFE SX80 ¥27,900
17111-42020 Manifold, Intake
1989-08 → 1992-10 ended
7MGE MX83 ¥53,100
17111-46020 Manifold, Intake
1990-08 → 1992-10 ended
1JZGE JZX81 ¥24,400
17111-72011 Manifold, Intake
1988-08 → 1989-04 ended
3YP YX80 ¥25,200
17111-73020 Manifold, Intake
1989-04 → 1992-10 ended
3YP YX80 ¥25,000
17111-88303 note Manifold, Intake
1988-08 → 1992-10 ended
1GGE GX81 ¥33,000
17111-88304 note Manifold, Intake
1988-08 → 1992-10 ended
1GGE GX81 ¥36,200
17111-88400 Manifold, Intake
1990-08 → 1991-10 ended
1JZGTE JZX81 ¥26,900
17111-88401 Manifold, Intake
1991-10 → 1992-10 ended
1JZGTE JZX81 ¥26,800
17120-88340 Manifold, Intake
1988-08 → 1990-08 ended
1GGTE GX81 ¥72,600
17125 — Stay, Surge Tank, NO.1
17125-42020 Stay, Surge Tank, NO.1
1989-08 → 1992-10 ended
7MGE MX83 ¥2,490
17125-46010 Stay, Surge Tank, NO.1
1990-08 → 1992-10 ended
1JZGE JZX81 ¥1,260
17125-74070 Stay, Surge Tank, NO.1
1990-08 → 1992-10 ended
4SFE SX80 ¥3,510
17125-88300 Stay, Surge Tank, NO.1
1988-08 → 1992-10 ended
1GGE GX81 ¥1,470
17125-88340 Stay, Surge Tank, NO.1
1988-08 → 1990-08 ended
1GGTE GX81 ¥5,400
17125-88400 Stay, Surge Tank, NO.1
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥5,400
17129E — Union, NO.3
90404-51026 note Union, NO.3
1988-08 → 1992-10 ended
1GGE,1GGZE GX81 ¥300
90404-51026 Union, NO.3
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥300
90404-51042 note Union, NO.3
1988-08 → 1992-10 ended
1GGE GX81 ¥550
90404-54033 Union, NO.3
1989-08 → 1990-11 ended
7MGE MX83 ¥620
90404-54039 Union, NO.3
1990-11 → 1992-10 ended
7MGE MX83 ¥610
17129J — Plug, Tight(FOR INTAKE AIR SURGE TANK)
90331-55001 Plug, Tight(FOR INTAKE AIR SURGE TANK)
1989-08 → 1992-10 ended
7MGE MX83 ¥580
96411-33500 note Plug, Tight(FOR INTAKE AIR SURGE TANK)
1988-08 → 1990-08 ended
1GGZE GX81 ¥270
96411-34000 note Plug, Tight(FOR INTAKE AIR SURGE TANK)
1988-09 → 1990-12 ended
1GFE GX81 ¥270
96411-34000 note Plug, Tight(FOR INTAKE AIR SURGE TANK)
1988-08 → 1988-09 ended
1GFE,1GGTE GX81 ¥270
96411-41800 note Plug, Tight(FOR INTAKE AIR SURGE TANK)
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥110
96411-43000 note Plug, Tight(FOR INTAKE AIR SURGE TANK)
1988-08 → 1992-10 ended
1GGE GX81 ¥240
96411-43000 note Plug, Tight(FOR INTAKE AIR SURGE TANK)
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥240
96411-43500 note Plug, Tight(FOR INTAKE AIR SURGE TANK)
1988-08 → 1992-10 ended
1GGE GX81 ¥260
96411-44000 note Plug, Tight(FOR INTAKE AIR SURGE TANK)
1988-09 → 1990-12 ended
1GGTE GX81 ¥280
96411-44000 note Plug, Tight(FOR INTAKE AIR SURGE TANK)
1990-12 → 1992-10 ended
1GFE GX81 ¥280
17141 — Manifold, Exhaust
17141-43010 Manifold, Exhaust
1989-08 → 1992-10 ended
7MGE MX83 ¥30,600
17141-46020 Manifold, Exhaust
1990-08 → 1992-10 ended
1JZGE JZX81 ¥31,300
17141-54080 Manifold, Exhaust
1988-08 → 1992-10 ended
2L LX80 ¥19,700
17141-54100 Manifold, Exhaust
1988-08 → 1992-10 ended
2LT LX80 ¥19,600
17141-70040 note Manifold, Exhaust
1988-08 → 1991-10 ended
1GFE,1GGE GX81 ¥29,400
17141-70050 Manifold, Exhaust
1988-08 → 1990-08 ended
1GGZE GX81 ¥26,900
17141-72010 Manifold, Exhaust
1988-08 → 1992-10 ended
3YP YX80 ¥25,900
17141-74100 Manifold, Exhaust
1988-08 → 1989-09 ended
4SFI SX80 ¥25,300
17141-74101 Manifold, Exhaust
1989-09 → 1992-10 ended
4SF# SX80 ¥25,300
17141-88301 Manifold, Exhaust
1991-10 → 1992-10 ended
1G# GX81 ¥42,100
17141-88301 note Manifold, Exhaust
1988-08 → 1991-10 ended
1GGE GX81 ¥42,100
17141-88341 Manifold, Exhaust
1988-08 → 1990-08 ended
1GGTE GX81 ¥49,200
17141-88400 Manifold, Exhaust
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥31,300
17159 — Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
90116-08178 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1990-08 → 1992-10 ended
7MGE MX83 ¥340
90116-08178 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1989-08 → 1990-08 ended
7MGE MX83 ¥340
90116-08186 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1988-08 → 1992-10 ended
1GGE,1GGTE GX81 ¥230
90116-08220 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1988-08 → 1992-04 ended
2L# LX80 ¥190
90116-08225 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1988-08 → 1990-08 ended
1GGZE GX81 ¥180
90116-08230 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1990-08 → 1992-10 ended
7MGE MX83 ¥180
90116-08230 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1989-08 → 1990-08 ended
7MGE MX83 ¥180
90116-08281 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1988-08 → 1990-12 ended
1GFE GX81 ¥170
90116-08281 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1990-12 → 1992-10 ended
1GFE GX81 ¥170
90116-08351 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥310
90116-10025 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1989-08 → 1992-10 ended
7MGE MX83 ¥210
90116-10063 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1988-08 → 1990-08 ended
1GFE,1GG# GX81 ¥230
90116-10063 Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1988-08 → 1992-10 ended
3YP YX80 ¥230
90116-10063 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1988-08 → 1992-10 ended
4SF# SX80 ¥230
90116-10063 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1990-08 → 1992-10 ended
1GFE GX81 ¥230
90116-10063 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1990-08 → 1992-10 ended
1GGE GX81 ¥230
90116-10063 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1990-08 → 1991-11 ended
1JZGTE JZX81 ¥230
90116-10140 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1988-08 → 1992-10 ended
2LT LX80 ¥230
90116-10141 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1988-08 → 1992-10 ended
2L LX80 ¥230
90116-10150 Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1990-08 → 1992-10 ended
1JZGE JZX81 ¥230
90116-10169 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1991-11 → 1992-10 ended
1GGE GX81 ¥230
90116-10169 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1991-11 → 1992-10 ended
1JZGTE JZX81 ¥230
92122-60822 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1988-08 → 1992-10 ended
4SF# SX80 ¥170
92132-60820 note Bolt, Stud(FOR MANIFOLD TO CYLINDER HEAD)
1992-04 → 1992-10 ended
2L# LX80 ¥110
17173 — Gasket, Exhaust Manifold TO Head
17173-43020 Gasket, Exhaust Manifold TO Head
1989-08 → 1991-05 ended
7MGE MX83 ¥2,530
17173-43040 Gasket, Exhaust Manifold TO Head
1991-05 → 1992-10 ended
7MGE MX83 ¥2,190
17173-46020 Gasket, Exhaust Manifold TO Head
1990-08 → 1992-10 ended
1JZGE JZX81 ¥1,470
17173-54030 Gasket, Exhaust Manifold TO Head
1988-08 → 1992-10 ended
2L LX80 ¥1,030
17173-54040 Gasket, Exhaust Manifold TO Head
1988-08 → 1989-08 ended
2LT LX80 ¥3,100
17173-54050 Gasket, Exhaust Manifold TO Head
1989-08 → 1992-10 ended
2LT LX80 ¥2,400
17173-70020 Gasket, Exhaust Manifold TO Head
1988-08 → 1990-08 ended
1GFE GX81 ¥660
17173-70020 note Gasket, Exhaust Manifold TO Head
1990-08 → 1992-10 ended
1G# GX81 ¥660
17173-70031 Gasket, Exhaust Manifold TO Head
1988-08 → 1990-08 ended
1GGZE GX81 ¥1,480
17173-74040 Gasket, Exhaust Manifold TO Head
1989-07 → 1992-10 ended
4SF# SX80 ¥2,260
17173-88300 note Gasket, Exhaust Manifold TO Head
1988-08 → 1992-10 ended
1GGE GX81 ¥1,160
17173-88340 Gasket, Exhaust Manifold TO Head
1988-08 → 1990-08 ended
1GGTE GX81 ¥1,470
17173-88360 Gasket, Exhaust Manifold TO Head
1988-08 → 1989-07 ended
4SFI SX80 ¥3,250
17173-88400 Gasket, Exhaust Manifold TO Head
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥1,460
17177 — Gasket, Intake Manifold TO Head, NO.1
17177-42010 Gasket, Intake Manifold TO Head, NO.1
1989-08 → 1989-12 ended
7MGE MX83 ¥1,360
17177-42020 Gasket, Intake Manifold TO Head, NO.1
1989-12 → 1992-10 ended
7MGE MX83 ¥1,340
17177-46010 Gasket, Intake Manifold TO Head, NO.1
1990-08 → 1992-10 ended
1JZGE JZX81 ¥860
17177-54020 Gasket, Intake Manifold TO Head, NO.1
1988-08 → 1992-10 ended
2L# LX80 ¥860
17177-70040 Gasket, Intake Manifold TO Head, NO.1
1988-08 → 1992-10 ended
1GFE GX81 ¥600
17177-74040 Gasket, Intake Manifold TO Head, NO.1
1988-08 → 1989-07 ended
4SFI SX80 ¥1,000
17177-74041 Gasket, Intake Manifold TO Head, NO.1
1989-07 → 1990-06 ended
4SFI SX80 ¥1,020
17177-74070 Gasket, Intake Manifold TO Head, NO.1
1990-06 → 1992-10 ended
4SF# SX80 ¥970
17177-88301 Gasket, Intake Manifold TO Head, NO.1
1988-08 → 1989-08 ended
1GGTE GX81 ¥670
17177-88302 Gasket, Intake Manifold TO Head, NO.1
1989-08 → 1992-10 ended
1GG# GX81 ¥1,070
17177-88302 Gasket, Intake Manifold TO Head, NO.1
1988-08 → 1989-08 ended
1GGE,1GGZE GX81 ¥1,070
17177-88400 Gasket, Intake Manifold TO Head, NO.1
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥750
17179A — Gasket, Intake Manifold, NO.2
17179-88302 Gasket, Intake Manifold, NO.2
1988-08 → 1992-10 ended
1GGE GX81 ¥2,020
17179-88340 Gasket, Intake Manifold, NO.2
1988-08 → 1989-05 ended
1GGTE GX81 ¥1,010
17179-88341 Gasket, Intake Manifold, NO.2
1989-08 → 1990-08 ended
1GGTE GX81 ¥1,010
17179-88400 Gasket, Intake Manifold, NO.2
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥750
17190 — Tank Assy, Intake Air Surge
17190-88400 Tank Assy, Intake Air Surge
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥106,000
17271 — Insulator, Turbo, NO.1
17271-54050 Insulator, Turbo, NO.1
1988-08 → 1992-01 ended
2LT LX80 ¥6,300
17271-54060 Insulator, Turbo, NO.1
1992-01 → 1992-10 ended
2LT LX80 ¥3,270
17271-88340 Insulator, Turbo, NO.1
1988-08 → 1990-08 ended
1GGTE GX81 ¥8,500
17271-88400 Insulator, Turbo, NO.1
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥20,500
17278 — Gasket, Turbo TO Exhaust Manifold
17278-54020 Gasket, Turbo TO Exhaust Manifold
1988-08 → 1992-10 ended
2LT LX80 ¥1,960
17278-88340 Gasket, Turbo TO Exhaust Manifold
1988-08 → 1990-08 ended
1GGTE GX81 ¥1,950
17278-88400 Gasket, Turbo TO Exhaust Manifold
1990-08 → 1992-10 ended
1JZGTE JZX81 ¥1,210
No quantity column: the factory catalogue records which parts a vehicle takes, never how many.

This drawing is also used by

Chaser