Clutch Master Cylinders, Operating Cylinders.
(e.g., M10x1.0, M10x1.25) ensuring the original brake line fittings will thread without cross-threading.
Inquire about for a repair shop or dealership.
Instead of replacing entire cylinder assemblies, the Seiken catalogue provides cost-effective major and minor repair kits. These kits contain replacement pistons, cups, springs, and boots to rebuild worn OE or Seiken housings. Decoding Seiken Part Numbers seiken hydraulic brake amp- clutch parts catalogue
Seiken Hydraulic Brake & Clutch Parts Catalogue is a comprehensive technical guide detailing replacement components for Japanese and international vehicles. Seiken, a brand under Seiken Chemical Industry Co., Ltd.
Comprehensive seal kits, rubber cups, and boots. 2. Deep Dive: Seiken Brake Components
Used primarily in drum brake systems to push brake shoes against the drum. Clutch Master Cylinders, Operating Cylinders
Finding the exact component you need within a dense industrial catalogue requires a systematic approach. Seiken categorizes its parts using a highly organized numbering system.
Controls clutch actuation. Known for robust construction that prevents fluid leakage and ensures consistent pressure.
Are you purchasing a full assembly ( 110- , 120- , etc.) or a rebuilding rubber kit ( SK- )? Instead of replacing entire cylinder assemblies, the Seiken
From Master Cylinders and Wheel Cylinders to high-durability Clutch Operating Cylinders.
after spinning off from the Meiji Sangyo Company’s "Brake Laboratory" (founded in 1937), Seiken has evolved into a primary supplier of both Original Equipment (OE) aftermarket hydraulic solutions globally. 明治産業株式会社 Core Catalogue Categories
: Search for your specific vehicle model and its production year (e.g., "Corolla KE1# -70").
If you have an original Toyota, Nissan, Isuzu, or Hino part number extracted from a dealership database, the Seiken catalogue contains an Interchange Index at the rear of the book or a search bar in the electronic database. Vehicle Manufacturer Sample OEM Part Number Corresponding Seiken Number Type 47201-3D140 (Master Cylinder) Isuzu 8-97100-010-0 (Wheel Cylinder) Mitsubishi Fuso ME625334 (Clutch Master) Nissan / UD 30610-Z5000 (Clutch Slave) Managing Supersessions and Variations
While Seiken has moved toward modernized numbering systems, legacy catalogues often use distinct prefixes to separate Brakes from Clutches.