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2Bros MCS LTD Company number 16176735 - Vat No. GB 508324506 - info@2bros-mx.com - Tel: 03301333748
This fork seal and dust wiper kit is a high-quality replacement solution for motorcycles equipped with 43mm Showa front forks. Designed for superior durability, reduced friction, and long service life, the kit includes all components needed to fully service both forks.
Features
Includes 2 fork seals and 2 dust wipers to service both forks
Triple sealing lips ensure smooth fork action and reliable oil retention
Constructed from high-tech materials for unmatched reliability and reduced friction (up to 30% less)
Factory-sourced components matching OEM standards and top-branded sets
Designed to withstand harsh conditions and last up to 3 times longer than OEM seals
Meets or exceeds OEM quality with direct replacement fit
Manufactured to exacting standards to support confident fork rebuilds
FIR Racing products carry a satisfaction guarantee
Please confirm compatibility using the image before ordering
Specifications
Part Number: 57-801.FIR
Type: Fork Seal and Dust Wiper Seal Kit (43mm Showa)
Fork Diameter: 43mm
Cross-Reference OEM Part Numbers
ALLBALLS 56-133-1
FSK-013
PROX 40.S435411
35-1029 Q320 E450 DC4 43x54x11
36-1009-1 Q220 E9112 XICY 43x54.2x59x6/15.5
Oil Seal: 55Y-23145-L0-00, 4NK-23145-00-00, 51153-14D00, 92049-1590, 51490-MN8-305
Dust Seal: 55Y-23144-L0-00, 51173-14D00, 92093-1551, 51490-MN8-305
Vehicle Fitments
Aprilia Dorsoduro 750 2008–2015, Mana 850 2007–2014, RSV Mille 2001–2003, SL 750 Shiver 2008–2015
BMW R Nine T Scrambler 2015–2017
Buell Firebolt XB12R 2005–2009, Firebolt XB9R 2004–2006, Lightning XB12S 2005–2009, Lightning XB9S 2004–2009, Ulysses XB12X DX 2006–2007, Ulysses XB12X FX 2008–2009
Ducati 620/748/749/848/996/998/999/1000/1100 Monster, SS, S2R, S4, GT, ST, MH900E, Multistrada, Panigale 899/959, Streetfighter, Sport Classic models (1994–2017)
Harley-Davidson VRSCDX V-Rod, VRSCF Muscle, XR 1000/1200/X models (1983–2016)
Honda CB, CBR, CR, CRF, CRE, CRM, RVT, ST, VFR, XL, XR, NX, Africa Twin models (1983–2018)
Kawasaki VN1500P/1600/1700 Mean Streak, Nomad, Classic models, ZX10R 2011–2018
Moto Guzzi Griso V 1100/1200 8V, V11 Cafe-Ballabio (2003–2011)
Suzuki DL650, DR250, DR350, DRZ250, DR-Z400SM, GSF Bandit, GSX, RF900R, RM, RMZ models (1990–2017)
Triumph Speed Triple 2005–2014, Sprint ST 2007–2013, Tiger 2007–2012
Yamaha YZ125 1985
This kit provides a complete seal and wiper replacement for 43mm Showa forks used across a broad range of motorcycles.