GasGas EX 300 Parts & Accessories

Everything we stock that fits the GasGas EX 300 (2021–2026): 48 parts, each verified against manufacturer fitment data, grouped by category. Prices and stock are live. Not sure on year or trim? Use the bike finder to confirm your exact match.

Brakes for the GasGas EX 300

Master Cylinder Rebuild Kit — Gas-Gas EX250Master Cylinder Rebuild Kit — Gas-Gas EX250 $49.45 Master Cylinder Rebuild Kit — Gas-Gas EX250Master Cylinder Rebuild Kit — Gas-Gas EX250 $37.79 Brake Caliper Rebuild Kit — Gas-Gas EX250 (2022)Brake Caliper Rebuild Kit — Gas-Gas EX250 (2022) $31.23 Brake Caliper Rebuild Kit — Gas-Gas EX250 (2022)Brake Caliper Rebuild Kit — Gas-Gas EX250 (2022) $30.99 Brake Caliper Bolt Kit — Ducati DESMO 450 MXBrake Caliper Bolt Kit — Ducati DESMO 450 MX $15.49 Brake Caliper Piston Kit — Gas-Gas EX250 (2022)Brake Caliper Piston Kit — Gas-Gas EX250 (2022) $47.86 Brake Caliper Piston Kit — Husqvarna FC 250Brake Caliper Piston Kit — Husqvarna FC 250 $26.57 Brake Caliper Rebuild Kit — Gas-Gas EC125 (2025)Brake Caliper Rebuild Kit — Gas-Gas EC125 (2025) $30.99 Brake Caliper Rebuild Kit — Gas-Gas EC125 (2025)Brake Caliper Rebuild Kit — Gas-Gas EC125 (2025) $30.99 Brake Caliper Bolt Kit — Gas-Gas EC125 (2025) +Brake Caliper Bolt Kit — Gas-Gas EC125 (2025) + $15.49 Brake Caliper Bolt Kit — Gas-Gas EC125 (2025) +Brake Caliper Bolt Kit — Gas-Gas EC125 (2025) + $15.49

Drivetrain for the GasGas EX 300

JT Sprockets 520 Steel Front Sprocket, 11T (JTF1901.11)JT Sprockets 520 Steel Front Sprocket, 11T (JTF1901.11) $12.99 JT Sprockets 520 Steel Front Sprocket, 13T (JTF1901.13)JT Sprockets 520 Steel Front Sprocket, 13T (JTF1901.13) $12.99 JT Sprockets 520 Steel Rear Sprocket, 40T (JTR897.40)JT Sprockets 520 Steel Rear Sprocket, 40T (JTR897.40) $36.99 JT Sprockets 520 Steel Rear Sprocket, 41T (JTR897.41)JT Sprockets 520 Steel Rear Sprocket, 41T (JTR897.41) $36.99 JT Sprockets 520 Steel Rear Sprocket, 46T (JTR897.46)JT Sprockets 520 Steel Rear Sprocket, 46T (JTR897.46) $36.99 JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 51T (JTR897.51SC)JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 51T (JTR897.51SC) $36.99 Wheel Bearing Kit — BMW HP4 (2013-2014) + 302Wheel Bearing Kit — BMW HP4 (2013-2014) + 302 $28.74 Wheel Bearing Kit — Beta RC 4T 450 (2025) + 356Wheel Bearing Kit — Beta RC 4T 450 (2025) + 356 $34.08 JT Sprockets 520 Steel Front Sprocket, 14T (JTF1901.14)JT Sprockets 520 Steel Front Sprocket, 14T (JTF1901.14) $12.99 JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 45T (JTR897.45SC)JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 45T (JTR897.45SC) $36.99 JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 48T (JTR897.48SC)JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 48T (JTR897.48SC) $36.99 JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 50T (JTR897.50SC)JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 50T (JTR897.50SC) $36.99 JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 52T (JTR897.52SC)JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 52T (JTR897.52SC) $36.99

Suspension for the GasGas EX 300

Suspension Linkage Bearing Kit — Gas-Gas EC250Suspension Linkage Bearing Kit — Gas-Gas EC250 $109.36 Fork Oil Seal Kit — Gas-Gas EC125 (2025) + 173Fork Oil Seal Kit — Gas-Gas EC125 (2025) + 173 $20.19 Fork Oil & Dust Seal Kit — Beta RR 2T 125 (2024)Fork Oil & Dust Seal Kit — Beta RR 2T 125 (2024) $45.76 Fork Bushing Kit — KTM Adventure R Rally 790Fork Bushing Kit — KTM Adventure R Rally 790 $43.59 Suspension Linkage Bearing Kit — Gas-Gas EC125 — 3 Makes — (PN 27-1217)Suspension Linkage Bearing Kit — Gas-Gas EC125 — 3 Makes — (PN 27-1217) $120.65 Swingarm Bearing Kit — Beta RC 4T 450 (2025) +Swingarm Bearing Kit — Beta RC 4T 450 (2025) + $75.40

Controls for the GasGas EX 300

Clutch Master Cylinder Rebuild Kit — Gas-GasClutch Master Cylinder Rebuild Kit — Gas-Gas $28.31 Clutch Slave Cylinder Kit with Piston — GasGas/Husqvarna/KTM — (PN 18-6014)Clutch Slave Cylinder Kit with Piston — GasGas/Husqvarna/KTM — (PN 18-6014) $73.31 Clutch Slave Cylinder Kit with Piston — GasGas/Husqvarna/KTM — (PN 18-6015)Clutch Slave Cylinder Kit with Piston — GasGas/Husqvarna/KTM — (PN 18-6015) $74.78 Steering Stem Bearing Kit — Husqvarna FC 250Steering Stem Bearing Kit — Husqvarna FC 250 $44.60 Steering Stem Bearing Kit — Beta RR 2T 125Steering Stem Bearing Kit — Beta RR 2T 125 $44.60

Exhaust for the GasGas EX 300

FMF Fatty Pipe — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) + 23 more, 2 — (seeFMF Fatty Pipe — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) + 23 more, 2 — (see $296.99 FMF Gnarly Pipe — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) + 21 more, 2 — (seeFMF Gnarly Pipe — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) + 21 more, 2 — (see $296.99 FMF Factory — Pipe — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) + 21 — (seeFMF Factory — Pipe — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) + 21 — (see $296.99 FMF Powercore — Slip-On — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) + 21 — (seeFMF Powercore — Slip-On — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) + 21 — (see $215.99 FMF Powercore — Shorty Slip-On — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) +FMF Powercore — Shorty Slip-On — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) + $215.99 FMF Turbinecore — Slip-On — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) + 21 — (seeFMF Turbinecore — Slip-On — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) + 21 — (see $242.99 FMF Powercore 2 — Slip-On — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) + 21 moreFMF Powercore 2 — Slip-On — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) + 21 more $179.99 FMF Turbinecore 2 — Slip-On — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) + 21 moreFMF Turbinecore 2 — Slip-On — GasGas EC 250 (2021-2023), GasGas EC 300 (2021-2023) + 21 more $197.99

Maintenance for the GasGas EX 300

Twin Air Standard Air Filter — Fantic XE 125 (2023-2025), Fantic XX 125Twin Air Standard Air Filter — Fantic XE 125 (2023-2025), Fantic XX 125 $29.08 Twin Air Power-Flow Kit — Fantic XE 125 (2023-2024), Fantic XX 125 (2023-2024)Twin Air Power-Flow Kit — Fantic XE 125 (2023-2024), Fantic XX 125 (2023-2024) $189.99 Twin Air Standard Air Filter — Fantic XE 125 (2023-2024), Fantic XX 125Twin Air Standard Air Filter — Fantic XE 125 (2023-2024), Fantic XX 125 $29.08 Twin Air Standard Air Filter — GasGas 125 MC (2024-2026), GasGas 250 ECTwin Air Standard Air Filter — GasGas 125 MC (2024-2026), GasGas 250 EC $29.08 Twin Air Standard Air Filter — GasGas 125 MC (2024-2026), GasGas 250 ECTwin Air Standard Air Filter — GasGas 125 MC (2024-2026), GasGas 250 EC $36.99

Fitment is anchored on the manufacturer's own application data and verified before it goes live. If you spot anything that looks off for your GasGas EX 300, tell us. Accuracy is the whole point.