CMX · Disc Brake Rotor

8-580838

CMX Rear Disc Brake Rotor (1 Piece Only) 8-580838

Call for price

Belleville · Out of stock at this store

Kingston · 2 in stock

Stock checked September 12, 3:47 PM Eastern. Call to confirm availability before travelling.

Call Belleville ↗Call Kingston ↗

PART DETAILS.

Brand: CMX
Manufacturer part number: 8-580838
Part type: Disc Brake Rotor
GTIN / barcode: 00827098303277
Manufacturer package: 1 each / EA

Make sure to buy two (2)! (One for left side and one for right side)
Engineered with carbon-enhanced XCast™ (G3000) iron castings to achieve an optimal wear resistance, tensile strength and steel hardness providing unmatched braking performance
100% Precision Spin and Mill-Balanced for smoother stopping and zero vibration at any speed
Cross-Hatched smooth surface to improve the pad's ability to grip the rotor surface, especially during initial brake applications or in wet conditions
Double disc ground finish eliminates lateral run-out and DTV (disk thickness variation) issues on the rotor and improves pad-rotor bed-in
Voluminous Thermal Cycling (VTC) tested for maximum tolerance to voluminous amount of constant thermal cycles
CNC-Machined to the tightest tolerances to guarantee manufacturing precision and accuracy
Thickness and Metallurgy electronically validated for manufacturing consistency
Best matched with CMX, TEC, SIM or PPF brake pads
Covered with Corrosion Inhibiting Oil (CIO) for transport and storage. Must be cleaned with disc brake cleaner to remove oil before installation

Manufacturer product data supplied by Transit, July 27, 2026 release; recovered September 8. Bring your vehicle details to confirm application.

PART NUMBER REFERENCES.

Manufacturer interchange references help identify candidates. Confirm the vehicle, position, dimensions and quantity with the counter; a cross-reference alone does not establish fitment.

Brand	Reference number	Quantity / unit
AGN AUTOLOGIX	AR90575	1 EA
AIMCO	55183	1 EA
CARQUEST	YH317661P	1 EA
EUROROTOR	55178	1 EA
GEOTECH	2900916	1 EA
NAPA	748881841	1 EA
PARTS MASTER ROTOR	900916	1 EA
PMR UAP	900916	1 EA
RAYBESTOS	580838	1 EA