Master Cylinder Assembly for Disc Brakes (054-127-22)

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.rp-spec-table tr:hover { background:#f7f7f7; transition:background .2s ease; }.rp-primary-btn { transition:transform .2s ease, box-shadow .2s ease; }.rp-primary-btn:hover { transf orm:translateY(-2px); box-shadow:0 8px 18px rgba(0,0,0,.18); }.rp-img-hover { transition:transform .35s ease, box-shadow .35s ease; }.rp-img-hover:hover { transform:translateY(-4px); box-shadow:0 12px 28px rgba(0,0,0,.18); } Master Cylinder Assembly – Hydraulic Disc Brake – 4-127-22 Part Number: 4-127-22 Complete OEM master cylinder assembly designed for hydraulic disc brake surge actuators.Includes master cylinder body (32291U) and piston / return spring kit (054-140-22), factory assembled and ready to install. Common replacement for Dexter and Titan / Dico hydraulic disc brake actuators.Engineered for consistent hydraulic pressure and corrosion resistance. Listing includes one complete master cylinder assembly. Specifications Specification Detail Part Number 4-127-22 Includes (1) 32291U Master Cylinder Body(1) 054-140-22 Piston & Return Spring Kit Brake Type Hydraulic Disc Brake Fluid Port Size 3/16" Inverted Flare – 3/8-24 Thread Material Aluminum Housing / Plated Steel Piston & Spring Common Applications Dexter DX Series, Titan / Dico Model 20 Disc, Aero 7500 Disc Brake Fluid DOT 3 or DOT 4 Country of Manufacture USA R&P Knowledge Hub The master cylinder converts surge actuator movement into hydraulic pressure,sending brake fluid through the lines to activate disc brake calipers.A worn or leaking master cylinder can cause reduced braking performance,fluid loss, or inconsistent stopping. When replacing a master cylinder, inspect the actuator housing,reservoir, gasket, and brake lines for wear or contamination.Always confirm actuator model compatibility and fluid port thread size before installation. Features Direct OEM replacement – no modification required Factory-assembled with piston and spring kit installed Precision-machined bore for consistent brake pressure Designed for hydraulic disc brake surge actuators Compatible with DOT 3 and DOT 4 brake fluid Replaces older Dico / Titan references Verify actuator model and port thread size before installation. View More Hydraulic Disc Brake Actuator Components 4-127-22 master cylinder assembly 32291U 054-140-22 Dexter Titan Dico hydraulic disc brake actuator replacement surge brake master cylinder DOT 3 DOT 4 USA Show more