GasGas EC300 4T Fork Seals

The GasGas EC300 4T runs a 48 mm upside-down front fork (Sachs 48mm USD open cartridge (Beta RR 2013-2023) / WP XPLOR 48 USD closed cartridge (KTM EXC 2017+)).Every kit here is verified by the manufacturer to fit this exact bike. Fork seals can share a size and still not seat in a different fork, so we only list what is confirmed for your bike.

  • Fork tube48 mm
  • Fork typeUpside-down
  • ForkSachs 48mm USD open cartridge (Beta RR 2013-2023) / WP XPLOR 48 USD closed cartridge (KTM EXC 2017+)
KitYearsSeal sizeReplaces OEM
55-132 2013–2015 48x58x8.5 Honda 51490-MEN-A31, Honda 51490-MEN-003, Kawasaki 92049-0074, Yamaha 1C3-23145-L0-00
55-135 2014 45x58x11 n/a
57-105 2013–2015 n/a n/a
57-138 2014 n/a n/a
56-147 2013–2015 n/a n/a
56-149 2014 n/a n/a

Verified fork kits we stock for your GasGas EC300 4T

Fork Oil Seal Kit — Beta RR 2T 125 (2019-2023) +
Fork Seal Kit
Fork Oil Seal Kit — Beta RR 2T 125 (2019-2023) +
$18.24
Fork Oil Seal Kit — Beta RR 4T 250 (2005-2007) +
Fork Seal Kit
Fork Oil Seal Kit — Beta RR 4T 250 (2005-2007) +
$19.12
Fork Dust Seal Kit — Beta RR 2T 125 (2019-2023)
Fork Seal Kit
Fork Dust Seal Kit — Beta RR 2T 125 (2019-2023)
$19.50
Fork Dust Seal Kit — Beta RR 4T 250 (2005-2007)
Fork Seal Kit
Fork Dust Seal Kit — Beta RR 4T 250 (2005-2007)
$21.01
Fork Oil & Dust Seal Kit — Beta RR 2T 125
Fork Seal Kit
Fork Oil & Dust Seal Kit — Beta RR 2T 125
$40.57
Fork Oil & Dust Seal Kit — Gas-Gas EC125 — 10 Makes — (PN 56-149)
Fork Seal Kit
Fork Oil & Dust Seal Kit — Gas-Gas EC125 — 10 Mak...
$39.78