OE Quality
60-Day Returns

Centric 320.44166F Disc Brake Rotor - Rear
Overview of Centric GCX Elemental Protection Disc Brake Rotors
The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating provide reliable braking performance for select Lexus and Toyota vehicles. Designed with a fully coated disc and hat finish, these rotors offer enhanced corrosion resistance and durability for long-term use.
- Part Number: 320.44166F
- Fully coated disc and hat finish for corrosion protection
- Solid disc type with smooth surface for consistent braking
- Outside diameter: 12.165 inches (309 mm)
- Nominal thickness: 0.394 inches (10.000 mm)
- Discard thickness: 0.335 inches (8.500 mm)
- Overall height: 2.469 inches (62.700 mm)
- Center hole diameter: 2.441 inches (62.000 mm)
- Mounting bolt hole circle diameter: 4.500 inches (114.300 mm)
- 5 stud/lug holes with 0.567 inch (14.400 mm) diameter
- Weight approximately 13.3 lbs (6.05 kgs)
Product Line Details: Centric GCX Elemental Protection Disc Brake Rotors - Full Coating
The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating line focuses on providing rotors with a complete protective coating to resist rust and corrosion. This full coating extends the rotor's service life and maintains braking efficiency, especially in environments prone to moisture and road salt exposure. The solid rotor design with a smooth surface ensures consistent pad contact and braking performance for vehicles like the Lexus RX350 and Toyota Highlander.
Technical Description and Specifications
This disc brake rotor is engineered as a solid rotor with a smooth surface finish, optimized for consistent braking feel and pad wear. The rotor features a fully coated disc and hat finish, which helps prevent corrosion on both the braking surface edges and mounting areas. The nominal thickness of 0.394 inches (10.000 mm) and discard thickness of 0.335 inches (8.500 mm) define the usable rotor thickness range before replacement is necessary. The rotor’s outside diameter measures 12.165 inches (309 mm), with an overall height of 2.469 inches (62.700 mm). It includes five stud/lug holes with a 4.500 inch (114.300 mm) bolt circle diameter, compatible with specific Lexus and Toyota models.
Compatible Vehicles and Applications
- Designed for Lexus Highlander, RX350, RX450h
- Compatible with Toyota Highlander and Sienna models
- Ideal for replacing worn or damaged disc brake rotors on these vehicles
- Suitable for drivers seeking corrosion-resistant rotors with consistent braking performance
Installation Notes and Tips
- Ensure rotor thickness is within nominal and discard limits before installation
- Clean mounting surfaces to ensure proper fit and prevent vibration
- Use proper torque specifications for lug nuts to avoid rotor warping
- Check compatibility with ABS systems; this rotor does not include an ABS tone ring
- Inspect brake pads and replace if worn to maintain optimal braking
Quality Assurance and Warranty
Centric brake rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The full coating process provides added protection against corrosion, contributing to the rotor’s durability. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Always refer to the manufacturer’s warranty documentation for complete terms.
| Brand | Centric |
|---|---|
| Part Number | 320.44166F |
| Position | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating, Rear |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.441 |
| Center Hole Diameter | 62.000 |
| Disc Finish | Fully Coated |
| Disc Mounting [cntrc] | Floating / DIH |
| Discard Thickness | 0.335 |
| Discard Thickness | 8.500 |
| Hat Finish | Coated |
| Max PB Drum Dia [cntrc] in | 8.307 |
| Max PB Drum Dia [cntrc] mm | 211.000 |
| Misc Holes [cntrc] | 3 |
| Mounting Bolt Hole Circle Diameter | 4.500 |
| Mounting Bolt Hole Circle Diameter | 114.300 |
| Nominal Drum Diameter | 8.228 |
| Nominal Drum Diameter | 209.000 |
| Nominal Thickness | 0.394 |
| Nominal Thickness | 10.000 |
| Outside Diameter | 12.165 |
| Outside Diameter | 309.000 |
| Overall Height | 2.469 |
| Overall Height | 62.700 |
| Solid Or Vented Type Rotor | Solid |
| Stud/Lug Hole Diameter | 0.567 |
| Stud/Lug Hole Diameter | 14.400 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Smooth |
| Weight [cntrc] kgs | 6.050 |
| Weight [cntrc] lbs | 13.300 |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Toyota | Sienna | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2019 | Toyota | Highlander | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2019 | Toyota | Sienna | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2018 | Toyota | Highlander | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2018 | Toyota | Sienna | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2017 | Toyota | Highlander | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2017 | Toyota | Sienna | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2016 | Toyota | Highlander | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2016 | Toyota | Sienna | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2015 | Lexus | RX350 | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2015 | Lexus | RX450h | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2015 | Toyota | Highlander | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2015 | Toyota | Sienna | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2014 | Lexus | RX350 | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2014 | Lexus | RX450h | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2014 | Toyota | Highlander | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2014 | Toyota | Sienna | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2013 | Lexus | RX350 | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2013 | Lexus | RX450h | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2013 | Toyota | Sienna | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2012 | Lexus | RX350 | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2012 | Lexus | RX450h | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2012 | Toyota | Sienna | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2011 | Lexus | RX350 | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2011 | Lexus | RX450h | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2011 | Toyota | Sienna | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2010 | Lexus | RX350 | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 2010 | Lexus | RX450h | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.