Description
20423 – .025" CALIPER SHIM
PART NUMBER(S):
Fleet Products: 20423 (New) | OE: Ride Air RAD20423, Euclid 270-E6891
DESCRIPTION:
Model: Caliper Shim (.025" thickness)
Vehicles: General use with hydraulic brake calipers on heavy-duty trucks, trailers, and bus disc brake systems.
• Thickness: 0.025"
• Product Type: Hydraulic caliper shim, used to adjust caliper-to-support clearance
• Material: Hardened shim stock, precision-ground for fit
• Application: Commonly paired with CD224 disc brake pad kits
Applications:
Is this shim right for your caliper service✔ Yes—this 0.025" caliper shim is designed to restore proper fit and alignment when servicing worn calipers and supports. It ensures correct pad seating, reduces vibration, and helps maintain even brake wear in fleet service environments.
CROSS-REFERENCE(S):
20423, RAD20423, 270-E6891, E6891, E-6891, Dayton H8205A, Dayton H8205, Dayton CH8205, Batco 18-H08205, Carlson H8205, Leland K-485, R406891, R40H5664
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm shim thickness and application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Always measure the caliper-to-support rail clearance before selecting shim thickness.
✔ Use feeler gauges to ensure final gap does not exceed manufacturer’s .035" tolerance.
✔ Install shim between caliper support and caliper rail surface.
✔ Do not allow caliper to hang unsupported from hydraulic hoses during service.
✔ Recheck pad fitment and rotor clearance after installation.
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Warranty Information
