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91303-3G77-001 O-Ring 13.8*2.5 — diagram cutout

91303-3G77-001 O-Ring 13.8*2.5

Fits 97 KYMCO model-years, including AK550 (2025) and AK550 2022.

Genuine KYMCO OEM Part no. 91303-3G77-001 Also written 913033G77001 Fits 97 model-years

Part number
91303-3G77-001
Also written
913033G77001
Factory name
O-RING 13.8*2.5

$4.92

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What this part is

O-Ring 13.8*2.5 is the component KYMCO's factory catalogue lists under number 91303-3G77-001, in the seals & bearings group. It is drawn on 8 factory exploded views; the table below gives the diagram, the callout number and the quantity for every model-year that takes it.

Fits these KYMCO models (97 model-years)

ModelYearsFactory codeDiagramCalloutQty
AK550 2025 SAA1AL(US) E04 Left Side Cover●Water Pump 14 1
AK550 2022 2022 SAA1AJ(US) E04 Left Side Cover●Water Pump 18 1
AK550 2022 2023 SAA1AK(US) E04 Left Side Cover●Water Pump 18 1
AK550 ST 2026 SBA1BA(US) E04 Left Side Cover●Water Pump 14 1
AK550(2021) 2021 SAA1AA(US) E04 Left Side Cover●Water Pump 19 1
CV3 2026 SBA1CC(US) E04 Left Side Cover●Water Pump 19 1
CV3 2023 2023 SBA1CA(US) E04 Left Side Cover●Water Pump 19 1
DOWNTOWN GT 125 2026 SK25HB(US) E04 Right Crankcase Cover 22 1
DOWNTOWN GT 350 2026 (Mat Black, Flat Brown, Starry Night Blue) SK64JC(US), SK64JD(US) E04 Right Crankcase Cover ● Water Pump 26 1
MAXXER 300(2019) 2019 LA60MA(US) E04 Right Crankcase Cover ● Water Pump 23 1
Mongoose 270 (2016~) 2016+ LA60KA(US) E04 Right Crankcase Cover ● Water Pump 23 1
Mongoose 270(2018) 2018 LA60KB(US) E04 Right Crankcase Cover ● Water Pump 23 1
Mongoose 270(2019) 2019 LA60KD(US) E04 Right Crankcase Cover ● Water Pump 23 1
Mongoose 270(2020) 2020 LA60KG(US), LA60MB(US) E04 Right Crankcase Cover ● Water Pump 23 1
Mongoose 270i (2024MY) 2024 LF60SB(US) E04 Right Crankcase Cover ● Water Pump 23 1
MONGOOSE 270I 2026EPA 2026 LF60SD(US) E04 Right Crankcase Cover ● Water Pump 23 1
Mongoose 270i EPA/EFI(2025MY) 2025 LF60SC(US) E04 Right Crankcase Cover ● Water Pump 23 1
Mongoose 270i(2023MY) 2023 LF60SA(US) E04 Right Crankcase Cover ● Water Pump 23 1
Mongoose(2021) 2021 LA60RA(US), LA60KH(US) E04 Right Crankcase Cover ● Water Pump 23 1
MXU 2022 LEA0LB(US) E02 Cylinder Head Cover ● Cylinder Head 68 1

Show the remaining 100 fitments
ModelYearsFactory codeDiagramCalloutQty
MXU 2022 LEA0LB(US) E04 Right Crankcase Cover ● Water Pump 41 1
MXU 150 (2016~) 2016+ LB30EA(US) E02 Cylinder Head 10 1
MXU 150 (2016~) 2016+ LB30EA(US) E05 Right Crankcase Cover●Generator 10 1
MXU 150 2026 EPA 2026 LB30ES(US) E02 Cylinder Head 10 1
MXU 150 2026 EPA 2026 LB30ES(US) E05 Right Crankcase Cover●Generator 10 1
MXU 150 X (2016-2017) 2016 LB30EA(US) E02 Cylinder Head 10 1
MXU 150 X (2016-2017) 2016 LB30EA(US) E05 Right Crankcase Cover●Generator 10 1
MXU 150(2019) 2019 LB30EE(US) E02 Cylinder Head 10 1
MXU 150(2019) 2019 LB30EE(US) E05 Right Crankcase Cover●Generator 10 1
MXU 150X 2021MY EPA(2021) 2021 LB30EJ(US) E02 Cylinder Head 10 1
MXU 150X 2021MY EPA(2021) 2021 LB30EJ(US) E05 Right Crankcase Cover●Generator 10 1
MXU 150X 2023MY 2023 LB30EL(US) E02 Cylinder Head 10 1
MXU 150X 2023MY 2023 LB30EL(US) E05 Right Crankcase Cover●Generator 10 1
MXU 150X 2025MY EPA 2025 LB30ER(US) E02 Cylinder Head 10 1
MXU 150X 2025MY EPA 2025 LB30ER(US) E05 Right Crankcase Cover●Generator 10 1
MXU 150X(2020) 2020 LB30EH(US) E02 Cylinder Head 10 1
MXU 150X(2020) 2020 LB30EH(US) E05 Right Crankcase Cover●Generator 10 1
MXU 270 2020 LA60JE(US) E04 Right Crankcase Cover ● Water Pump 23 1
MXU 270 (2016~) 2016+ LA60JA(US) E04 Right Crankcase Cover ● Water Pump 22 1
MXU 270(2019) 2019 LA60JC(US) E04 Right Crankcase Cover ● Water Pump 23 1
MXU 270(2020) 2020 LF60AA(US) E04 Right Crankcase Cover ● Water Pump 24 1
MXU 270(2021) 2021 (White, Yellow, Black) LA60JF(US) E04 Right Crankcase Cover ● Water Pump 23 1
MXU 270(2021) 2021 (White, Deep Green) LF60AB(US) E04 Right Crankcase Cover ● Water Pump 24 1
MXU 270i EURO (2023MY) 2023 LF60AD(US) E04 Right Crankcase Cover ● Water Pump 24 1
MXU 270I EURO 2026MY 2026 LF60AG(US) E04 Right Crankcase Cover ● Water Pump 24 1
MXU 500i (4X4/IRS) (2016~) 2016+ LEA0AH(US) E02 Cylinder Head Cover ● Cylinder Head 61 1
MXU 500i (4X4/IRS) (2016~) 2016+ LEA0AH(US) E04 Right Crankcase Cover ● Water Pump 41 1
MXU 500i(4X4/IRS) (2017~) 2017+ (Deep Green, Red, Blue) LEA0AK(US) E02 Cylinder Head Cover ● Cylinder Head 61 1
MXU 500i(4X4/IRS) (2017~) 2017+ (Deep Green, Red, Blue) LEA0AK(US) E04 Right Crankcase Cover ● Water Pump 41 1
MXU 550(2021) 2021 LEA0LA(US) E02 Cylinder Head Cover ● Cylinder Head 68 1
MXU 550(2021) 2021 LEA0LA(US) E04 Right Crankcase Cover ● Water Pump 41 1
MXU 550i (2023) 2023 LEA0LC(US) E02 Cylinder Head Cover ● Cylinder Head 67 1
MXU 550i (2023) 2023 LEA0LC(US) E04 Right Crankcase Cover ● Water Pump 41 1
MXU 550i (2026MY) 2026 LEA0LN(US) E02 Cylinder Head Cover ● Cylinder Head 68 1
MXU 550i (2026MY) 2026 LEA0LN(US) E04 Right Crankcase Cover ● Water Pump 29 1
MXU 550i EPS (2024MY) 2024 LEA0LE(US) E02 Cylinder Head Cover ● Cylinder Head 67 1
MXU 550i EPS (2024MY) 2024 LEA0LE(US) E04 Right Crankcase Cover ● Water Pump 29 1
MXU 550i EPS(2025MY) 2025 LEA0LL(US) E02 Cylinder Head Cover ● Cylinder Head 68 1
MXU 550i EPS(2025MY) 2025 LEA0LL(US) E04 Right Crankcase Cover ● Water Pump 29 1
MXU 700 Exi(2019) 2019 LAADNA(US) E04 Right Crankcase Cover ● Water Pump 31 1
MXU 700 LE(2020) 2020 LAADNF(US) E04 Right Crankcase Cover ● Water Pump 31 1
MXU 700(2020) 2020 LAADMF(US) E04 Right Crankcase Cover ● Water Pump 31 1
MXU 700(2021) 2021 LAADMG(US) E04 Right Crankcase Cover ● Water Pump 31 1
MXU 700i 2026 LAADML(US) E04 Right Crankcase Cover ● Water Pump 31 1
MXU 700i (2016~) 2016+ LAADAM(US), LAADCH(US) E04 Right Crankcase Cover ● Water Pump 31 1
MXU 700i (2017~) 2017+ LAADAP(US), LAADAR(US), LAADCK(US), LAADCG(US) E04 Right Crankcase Cover ● Water Pump 31 1
MXU 700i (2022) 2022 LAADMJ(US) E04 Right Crankcase Cover ● Water Pump 31 1
MXU 700i EPS (2017~) 2017+ LAADCL(US) E04 Right Crankcase Cover ● Water Pump 31 1
MXU 700i EPS(2018) 2018 LAADCN(US) E04 Right Crankcase Cover ● Water Pump 31 1
MXU 700i LE 2023 LAADNR(US) E04 Right Crankcase Cover ● Water Pump 31 1
MXU 700i LE 2025 LAADNT(US) E04 Right Crankcase Cover ● Water Pump 30 1
MXU 700i LE 2024 2024 LAADNS(US) E04 Right Crankcase Cover ● Water Pump 30 1
MXU 700i LE(2021) 2021 LAADNJ(US) E04 Right Crankcase Cover ● Water Pump 31 1
MXU 700i Prime(2018) 2018 LAADCR(US) E04 Right Crankcase Cover ● Water Pump 31 1
MXU 700i(2018) 2018 LAADCM(US) E04 Right Crankcase Cover ● Water Pump 31 1
MXU 700i(2019) 2019 LAADAS(US), LAADMA(US), LAADCS(US) E04 Right Crankcase Cover ● Water Pump 31 1
MXU Hunter 700i(2018) 2018 LAADCP(US) E04 Right Crankcase Cover ● Water Pump 31 1
PEOPLE GTi 300 (2016~) 2016+ BF60AL(US) E04 Right Crankcase Cover ● Water Pump 31 1
SPADE 150 FI 2021 2021 RT30HG(US) E01 Cylinder Head●Cylinder 26 1
SPADE 150 FI 2021 2021 RT30HG(US) E06 Generator●Starting Motor 30 1
SPADE 150 FI(2018) 2018 (Deep Brown, White, Bright Silver, Mat Black, Mat Blue) RT30HE(US) E01 Cylinder Head●Cylinder 26 1
SPADE 150 FI(2018) 2018 (Deep Brown, White, Bright Silver, Mat Black, Mat Blue) RT30HE(US) E06 Generator●Starting Motor 31 1
SPADE 150 FI(2020) 2020 RT30HF(US) E01 Cylinder Head●Cylinder 26 1
SPADE 150 FI(2020) 2020 RT30HF(US) E06 Generator●Starting Motor 30 1
UXV (2022) 2022 UBADKP(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 500i (2016~) 2016+ UBA0CF(US) E02 Cylinder Head Cover ● Cylinder Head 61 1
UXV 500i (2016~) 2016+ UBA0CF(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 500i (2017~) 2017+ UBA0CK(US) E02 Cylinder Head Cover ● Cylinder Head 61 1
UXV 500i (2017~) 2017+ UBA0CK(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 500i HE (2016~) 2016+ UBA0CG(US) E02 Cylinder Head Cover ● Cylinder Head 61 1
UXV 500i HE (2016~) 2016+ UBA0CG(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700(2021) 2021 UBADKL(US), UBADGJ(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i (2016~) 2016+ UBADAK(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i (2017~) 2017+ UBADAP(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i (MY2024) 2024 UBADGM(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700I (OFF ROAD) 2025 EPA 2025 UBADGN(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i 2023MY 2023 UBADGL(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i CAMO (2017~) 2017+ UBADAR(US) E04 Right Crankcase Cover ● Water Pump 39 1
UXV 700i HE (2016~) 2016+ UBADAM(US) E04 Right Crankcase Cover ● Water Pump 39 1
UXV 700i LE (2016~) 2016+ UBADAL(US) E04 Right Crankcase Cover ● Water Pump 39 1
UXV 700i LE (2017) 2017 UBADAS(US) E04 Right Crankcase Cover ● Water Pump 39 1
UXV 700i LE (2017~) 2017+ UBADAT(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i LE (2019~) 2019+ UBADKE(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i LE (2023MY) 2023 UBADKT(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i LE (2024MY) 2024 UBADKW(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i LE (2025MY) 2025 UBADKZ(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i LE EPS (2017~) 2017+ UBADCF(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i LE EPS(2017~) 2017+ UBADCG(US) E04 Right Crankcase Cover ● Water Pump 39 1
UXV 700i LE EPS(2020) 2020 UBADKH(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i LE HUNTER (2019~) 2019+ UBADKF(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i LE HUNTER(2018) 2018 UBADKC(US) E04 Right Crankcase Cover ● Water Pump 41 1
UXV 700i LE PRIME (2019~) 2019+ UBADKG(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i LE PRIME(2018) 2018 UBADKD(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i LE(2018) 2018 UBADKA(US), UBADKB(US) E04 Right Crankcase Cover ● Water Pump 41 1
UXV 700i TURF (2016~) 2016+ UBADBG(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i TURF (2017~) 2017+ UBADBH(US) E04 Right Crankcase Cover ● Water Pump 41 1
UXV 700i(2018) 2018 UBADGA(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i(2019) 2019 UBADGE(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV 700i(2020) 2020 UBADGH(US) E04 Right Crankcase Cover ● Water Pump 40 1
UXV(2022) 2022 (Deep Green, Blue) UBADGK(US) E04 Right Crankcase Cover ● Water Pump 40 1

See it on the diagram

The 8 factory exploded views this part is drawn on.

E01 — Cylinder Head●Cylinder

View diagram → 91303-3G77-001 on the E02 Cylinder Head Cover ● Cylinder Head diagram

E02 — Cylinder Head Cover ● Cylinder Head

View diagram → 91303-3G77-001 on the E02 Cylinder Head diagram

E02 — Cylinder Head

View diagram → 91303-3G77-001 on the E04 Left Side Cover●Water Pump diagram

E04 — Left Side Cover●Water Pump

View diagram → 91303-3G77-001 on the E04 Right Crankcase Cover diagram

E04 — Right Crankcase Cover

View diagram → 91303-3G77-001 on the E04 Right Crankcase Cover ● Water Pump diagram

E04 — Right Crankcase Cover ● Water Pump

View diagram → 91303-3G77-001 on the E05 Right Crankcase Cover●Generator diagram

E05 — Right Crankcase Cover●Generator

View diagram →

E06 — Generator●Starting Motor

View diagram →

Often needed for the same job

From the same assembly diagrams as this part.

91307-0E35-001 O Ring 18*3 O Ring 18*3 91307-0E35-001 $4.92 90478-7L00-001 Washer A 6Mm Washer A 6Mm 90478-7L00-001 $4.92 94301-08140 Dowel Pin 8*14 Dowel Pin 8*14 94301-08140 $3.00 19217-ZPA3-E01 Seal Mechanical Seal Mechanical 19217-ZPA3-E01 $72.24 19232-LBA2-E00 Washer 21*13.8*1.5 Washer 21*13.8*1.5 19232-LBA2-E00 $12.09 90428-9H58-001 Washer Thrust 14Mm B Washer Thrust 14Mm B 90428-9H58-001 $9.78

Not sure it’s yours?

  • Check the callout number: on the diagram above, 91303-3G77-001 is the part at the callout numbers listed in the table.
  • Decode your VIN to land on the exact model, year and colour KYMCO built for you.
  • Still unsure? Email us the number and your VIN and we will confirm the fit.

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