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Centric 121.44140 Disc Brake Rotor - Front Left
| Brand | Centric 121.44140 |
|---|---|
| Position | Front Left |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.441 |
| Center Hole Diameter | 62.000 |
| Disc Mounting [cntrc] | Floating |
| Discard Thickness | 1.181 |
| Discard Thickness | 30.000 |
| Misc Holes [cntrc] | 2 |
| Mounting Bolt Hole Circle Diameter | 4.500 |
| Mounting Bolt Hole Circle Diameter | 114.300 |
| Nominal Thickness | 1.260 |
| Nominal Thickness | 32.000 |
| Outside Diameter | 11.646 |
| Outside Diameter | 295.800 |
| Overall Height | 2.000 |
| Overall Height | 50.800 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Diameter | 0.575 |
| Stud/Lug Hole Diameter | 14.600 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Smooth |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 8.860 |
| Weight [cntrc] lbs | 19.500 |
| Product line | C-TEK Standard Disc Brake Rotors |
| Fits | Lexus · 8 vehicles |
Vented design. Helps move air through the rotor for more consistent braking performance.
Smooth surface. Promotes even pad contact for quieter, more uniform braking.
Standard disc rotor. A straightforward replacement for everyday service and value.
Cross-references DuraGo BR900544, PowerStop JBR1147 and Raybestos Brakes 980486R for the same application. See all 7.
Centric C-TEK Rotor for Lexus Front Left Brakes
The Centric C-TEK Standard Disc Brake Rotor, part number 121.44140, is built for front left brake service on select Lexus applications. It combines a smooth surface finish with vented construction to support consistent braking performance and everyday value.
Key Features
- Centric C-TEK Standard Disc Brake Rotors line for routine brake replacement
- Vented rotor design with a smooth surface type
- Outside diameter: 11.646 in. / 295.800 mm
- Nominal thickness: 1.260 in. / 32.000 mm
- Discard thickness: 1.181 in. / 30.000 mm
- 5-lug pattern with 4.500 in. bolt circle diameter
- Center hole diameter: 2.441 in. / 62.000 mm
- Floating disc mounting and straight vane style
- ABS tone ring not included; bearings not included
Product Details
Centric C-TEK Standard Disc Brake Rotors are positioned for drivers who want dependable service life and balanced performance in a replacement rotor. This rotor, Centric 121.44140, uses a vented, straight-vane design with a smooth friction surface to support stable brake feel and even pad contact. It cross-references DuraGo BR900544 and Raybestos Brakes 980486R for the same application.
Compatible With 2010-2015 Lexus IS250, front left; 2009 Lexus IS250, front left with front caliper casting #60-32; and 2006 Lexus GS300, front left. The fitment profile makes this rotor a direct-match option for Lexus IS250 front left brake repair and Lexus GS300 front left rotor replacement needs.
Common Brake Issues This Rotor Addresses
- Brake pulsation from a worn or below-spec rotor
- Reduced braking consistency caused by rotor wear
- Surface scoring or uneven pad contact on the existing rotor
- Noise related to rotor condition during braking
- Front left rotor replacement during routine brake service
Installation Notes and Tips
Verify rotor dimensions, bolt pattern, center hole diameter, and front left position before installation. Inspect pads, caliper condition, and hub mating surfaces at the same time to help ensure proper rotor seating and even braking performance. Because this rotor does not include bearings or an ABS tone ring, reuse or replace those components separately as required by the vehicle.
Quality Assurance
Centric’s C-TEK Standard Disc Brake Rotors are built for service life and value across a wide range of brake applications. The part number 121.44140 follows Centric’s standard replacement rotor specifications for consistent fitment and dependable everyday use.
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2015 | Lexus | IS250 | Convertible | Front Left | C-TEK Standard Disc Brake Rotors |
| 2014 | Lexus | IS250 | Convertible | Front Left | C-TEK Standard Disc Brake Rotors |
| 2013 | Lexus | IS250 | — | Front Left | C-TEK Standard Disc Brake Rotors |
| 2012 | Lexus | IS250 | — | Front Left | C-TEK Standard Disc Brake Rotors |
| 2011 | Lexus | IS250 | — | Front Left | C-TEK Standard Disc Brake Rotors |
| 2010 | Lexus | IS250 | — | Front Left | C-TEK Standard Disc Brake Rotors |
| 2009 | Lexus | IS250 | — | Front Left | Front Caliper Casting #60-32; C-TEK Standard Disc Brake Rotors |
| 2006 | Lexus | GS300 | — | Front Left | C-TEK Standard Disc Brake Rotors |
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