Frenkit 740185 Disc Brake Caliper Repair Kit - Rear

Rear Brake Caliper Repair Kit for Lexus RX

Frenkit 740185 is a disc brake caliper repair kit for the rear brake system with a 40mm caliper piston diameter. It is listed for 2010-2011 Lexus RX350 and 2010-2011 Lexus RX450h applications with brake caliper OE No. 4783048100 or 4785048100.

Key Features

• Disc brake caliper repair kit for rear brake service
• Brake system: Advi
• Caliper piston diameter: 40mm
• Fits 2010-2011 Lexus RX350, rear
• Fits 2010-2011 Lexus RX450h, rear
• Part number: 740185

Application Details

This Frenkit 740185 caliper repair kit is specified for rear brake caliper service on Lexus RX350 and Lexus RX450h models from 2010-2011 when equipped with brake caliper OE No. 4783048100 or 4785048100. Use it when servicing the caliper assembly and restoring proper piston sealing and movement in the rear brake system.

What It Helps Address

• Brake fluid seepage at the rear caliper piston area
• Sticking or uneven rear caliper piston movement
• Loss of braking consistency caused by worn caliper seals
• Rear brake drag related to caliper wear
• Service needs on Lexus RX350 and RX450h rear calipers

Installation Notes

Confirm the rear caliper OE number and piston diameter before ordering. Match the caliper to the listed 40mm specification and verify the brake system designation during disassembly. Clean all sealing surfaces thoroughly and inspect the caliper bore, piston, and guide components for wear before reassembly.

Quality Assurance

Frenkit brake service components are built for caliper repair work where accurate fitment and sealing dimensions matter. Part number 740185 is cataloged for the listed Lexus RX rear brake applications.