Montesa 315R 4RT Showa 39mm Fork Oil Seals 39x52x11 – Pair
Replacement fork oil seals for Montesa trials motorcycles fitted with 39mm Showa front forks.
39 x 52 x 11mm oil seal, supplied as a pair for a complete fork service.
This 39mm Showa seal size has a long Montesa trials application, beginning with the Showa-equipped Cota 315R and continuing through the Cota 4RT Showa fork range.
Specification:
• Fork type: Showa 39mm
• Internal diameter: 39mm
• External diameter: 52mm
• Height: 11mm
• No-lip type
• Quantity: 2 fork oil seals / 1 pair
MONTESA / HONDA CROSS-REFERENCE
• 51425-NN3-821 – Fork Oil Seal 39x52x11
Used on the Showa-equipped Montesa Cota 315R and carried forward into the Montesa Cota 4RT Showa fork parts system.
FITMENT
MONTESA COTA 315R
• 2000–2004
• Showa 39mm forks
Important: 1997–1999 Cota 315R models used the earlier Paioli fork and do not use this 39x52x11 Showa seal.
MONTESA COTA 4RT
• 2005 onwards where fitted with Showa 39mm forks
• Includes standard 4RT models equipped with Showa 39mm forks
• Includes Repsol 4RT models with Showa 39mm forks
A direct replacement size for over 25 years of Showa 39mm Montesa trials fork applications.
Please confirm your motorcycle is fitted with 39mm Showa forks before ordering.