What fork seal fits a GasGas EC 300?

The GasGas EC 300 uses a front fork that changed across model years: 43 mm (2003), 45 mm (2004–2011). We stock the manufacturer-verified seal and bushing kits for it; matching is done off the verified application list, not just the seal size.

What size is the GasGas EC 300 fork?

The GasGas EC 300 has a front fork that changed across model years: 43 mm (2003), 45 mm (2004–2011).

Can I use any seal with the same dimensions?

No. Fork seals can share a size and still not seat correctly in a different fork design, so use the seal verified for your bike. The kits listed here are confirmed by the manufacturer to fit the GasGas EC 300.

GasGas EC 300 Fork Seals

Fork specs for the GasGas EC 300 vary by year (see the table below).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 typeUpside-down

Years	Fork tube
2003	43 mm
2004–2011	45 mm

Kit	Years	Seal size	Replaces OEM
55-126	2020	46x58x9.5	n/a
55-132	2015–2019	48x58x8.5	Honda 51490-MEN-A31, Honda 51490-MEN-003, Kawasaki 92049-0074, Yamaha 1C3-23145-L0-00
55-135	2013–2014	45x58x11	n/a
57-103	2020	n/a	n/a
57-105	2015–2019	n/a	n/a
57-138	2013–2014	n/a	n/a
55-159	2021–2026	n/a	n/a
56-192	2021–2026	n/a	n/a