New Disc Brake Calipers

OEM-grade new air disc brake calipers for transit, trucking, and heavy-duty commercial fleets. Meritor EX225 · Knorr SN7/SB7 · WABCO PAN/MAXX · ADB22X. 1-year warranty. Same-day shipping on in-stock units.

Caliper Platforms — New Units Available

Fraser Gauge stocks new OEM-grade calipers across all major commercial air disc brake platforms. Every unit ships with a 1-year unlimited miles warranty and is backed by our Detroit-based technical support team.

Meritor EX225 Series

Transit Bus · Class 8 Truck · Trailer

Fraser Gauge vs. Commodity Supplier

Not all new calipers are equal. Fraser Gauge sources to OEM dimensional tolerances and backs every unit with a 1-year warranty and Detroit-based technical support. Here is how we compare to commodity distributors.

Specification	Fraser Gauge	Commodity Supplier
OEM Dimensional Tolerance	✓ Verified to OEM spec	Not specified
Pressure Test	✓ 150 PSI pneumatic test on every unit	Not standard
Wear Sensor Validation	✓ Tested before shipment	Not standard
Warranty	✓ 1 year, unlimited miles	90 days or less
Technical Support	✓ Detroit-based engineers	Call center / automated queue
Core Exchange Program	✓ Available on all reman units	Rarely offered
Same-Day Shipping	✓ On in-stock units	Varies
Cross-Reference Documentation	✓ Full OEM cross-reference	Limited
FMVSS 121 Compliance	✓ Confirmed	Not always documented
Copper-Free Pad Pairing	✓ ProRev matched pads available	Not offered

Caliper Platform Quick Reference

Platform	Application	Axle Position	Fraser SKU Prefix
Meritor EX225L	Transit Bus	Steer & Drive	F-EX225-R9500xx
Meritor EX225H2	Class 8 Truck	Steer & Drive	F-EX225-R9500xx
Meritor EX225H3	Trailer	Trailer Axle	F-EX225-R9500xx
Knorr SN7	Transit Bus / Coach	Steer & Drive	F-SN7-K0xxxxx
Knorr SB7	Transit Bus / Motor Coach	Steer & Drive	F-SB7-K0xxxxx
Bendix ADB22X	Class 8 Truck	Steer & Drive	F-ADB-K08xxxx
WABCO PAN 17/19/22	Class 8 Truck & Trailer	Steer, Drive & Trailer	F-PAN series
WABCO MAXX	Class 8 Truck	Drive Axle	F-MAXX series