Centric 121.33137 Disc Brake Rotor - Rear

Name: Centric 121.33137 Disc Brake Rotor - Rear
Brand: Centric
SKU: BKNJ-121.33137
Price: 55.80 USD
Availability: OutOfStock

C-TEK Standard Disc Brake Rotors, Rear

148 vehicles fit this part

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OE Direct Replacement — Bolt-on fit, no modifications needed

C-TEK Standard Disc Brake Rotors, Rear

Fitment: Audi and Porsche, A4, A4 allroad, A4 Quattro, A6 allroad, A7 Sportback, Q5, Q5 PHEV, Q7, A5 Sportback, A6 Quattro, SQ5, Macan, A5, A5 Quattro, S4, S5, S5 Sportback, A6, A7 Quattro, A8 Quattro, A7, and S7

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Overview of Centric C-TEK Standard Disc Brake Rotor 121.33137

The Centric C-TEK Standard Disc Brake Rotor 121.33137 is engineered for reliable braking performance on select Audi and Porsche models. Designed as a vented, floating disc rotor, it offers consistent heat dissipation and durability for vehicles such as the Audi A4, A5, A6, A7, Q5, and Porsche Macan.

Vented disc brake rotor with pillar vane design for improved cooling
Nominal thickness of 0.858 inches (21.8 mm) and discard thickness of 0.787 inches (20 mm)
Overall height of 1.425 inches (36.2 mm) ensuring proper fitment
Outside diameter of 12.992 inches (330 mm) compatible with specified models
Floating disc mounting with 5 lug holes, 0.602 inch (15.3 mm) diameter each
Center hole diameter of 2.677 inches (68 mm) and mounting bolt hole circle diameter of 4.409 inches (112 mm)
Solid smooth surface type without ABS tone ring included
Weight approximately 17.25 lbs (7.84 kgs) for balanced performance

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for everyday driving conditions. These rotors are designed to meet or exceed OEM specifications, providing consistent braking performance and durability. The 121.33137 rotor is part of this line, featuring vented construction and a floating disc mount to help reduce heat buildup and maintain braking efficiency on Audi and Porsche vehicles.

Detailed Product Description

This Centric disc brake rotor 121.33137 is a vented rotor with a pillar vane style that enhances airflow and cooling during braking. The rotor’s nominal thickness of 0.858 inches (21.8 mm) ensures structural integrity, while the discard thickness of 0.787 inches (20 mm) indicates the minimum safe thickness before replacement is necessary. The smooth surface type is designed for consistent pad contact and braking performance. With a 5-lug hole pattern and precise center hole diameter, this rotor fits securely on compatible Audi and Porsche models including the A4, A5, A6, A7, Q5, and Macan. The floating disc mounting system helps accommodate thermal expansion and reduces stress on the rotor, contributing to longer service life.

Applications and Problem Solving

Replacement for worn or warped rotors causing brake pulsation
Upgrading from damaged or scored rotors to restore smooth braking
Addressing overheating issues with vented rotor design for better heat dissipation
Ensuring proper fitment on Audi A4, A5, A6, A7, Q5, and Porsche Macan models
Maintaining braking performance on vehicles with floating disc mounting systems

Installation Notes and Tips

Verify rotor thickness before installation; replace if below discard thickness of 0.787 inches
Ensure proper cleaning of rotor surface to remove any protective coatings or debris
Check compatibility with vehicle’s lug pattern (5 lug holes, 0.602 inch diameter)
Torque mounting bolts to manufacturer specifications to avoid rotor warping
Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details for part number 121.33137 should be confirmed with the supplier, Centric typically offers limited warranties covering defects in materials and workmanship.

Brand	Centric
Part Number	121.33137
Position	C-TEK Standard Disc Brake Rotors, Rear
ABS Tone Ring Included	No
Bearings Included	No
Center Hole Diameter	2.677
Center Hole Diameter	68.000
Disc Mounting [cntrc]	Floating
Discard Thickness	0.787
Discard Thickness	20.000
Hat ID [cntrc] in	5.783
Hat ID [cntrc] mm	146.900
Misc Holes [cntrc]	1
Mounting Bolt Hole Circle Diameter	4.409
Mounting Bolt Hole Circle Diameter	112.000
Nominal Thickness	0.858
Nominal Thickness	21.800
Outside Diameter	12.992
Outside Diameter	330.000
Overall Height	1.425
Overall Height	36.200
Solid Or Vented Type Rotor	Vented
Stud/Lug Hole Diameter	0.602
Stud/Lug Hole Diameter	15.300
Stud/Lug Hole Quantity	5
Surface Type	Smooth
Vane Style [cntrc]	Pillar
Weight [cntrc] kgs	7.840
Weight [cntrc] lbs	17.250

This part fits 148 vehicles. Search below:

Year	Make	Model	Submodel	Body Type	Liters	Cylinders	Fuel Type	Position	Notes
2023	Audi	A4 allroad						Rear	338mm Front Disc; CTEK Standard Disc Brake Rotors
2023	Audi	A4 Quattro						Rear	338mm Front Disc; CTEK Standard Disc Brake Rotors
2023	Audi	A5 Quattro						Rear	CTEK Standard Disc Brake Rotors
2023	Audi	A5 Sportback						Rear	CTEK Standard Disc Brake Rotors
2023	Audi	A6 Quattro						Rear	CTEK Standard Disc Brake Rotors
2023	Audi	S4						Rear	330mm Disc Rotor; CTEK Standard Disc Brake Rotors
2023	Audi	S5						Rear	CTEK Standard Disc Brake Rotors
2023	Audi	S5 Sportback						Rear	CTEK Standard Disc Brake Rotors
2022	Audi	A4 allroad						Rear	338mm Front Disc; CTEK Standard Disc Brake Rotors
2022	Audi	A4 Quattro						Rear	338mm Front Disc; CTEK Standard Disc Brake Rotors
2022	Audi	A5 Quattro						Rear	CTEK Standard Disc Brake Rotors
2022	Audi	A5 Sportback						Rear	CTEK Standard Disc Brake Rotors
2022	Audi	A6 Quattro						Rear	CTEK Standard Disc Brake Rotors
2022	Audi	S4						Rear	330mm Disc Rotor; CTEK Standard Disc Brake Rotors
2022	Audi	S5						Rear	CTEK Standard Disc Brake Rotors
2022	Audi	S5 Sportback						Rear	CTEK Standard Disc Brake Rotors
2021	Audi	A4						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2021	Audi	A4 allroad						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2021	Audi	A4 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2021	Audi	A5 Quattro						Rear	CTEK Standard Disc Brake Rotors
2021	Audi	A5 Sportback						Rear	CTEK Standard Disc Brake Rotors
2021	Audi	A6 allroad						Rear	C-TEK Standard Disc Brake Rotors
2021	Audi	A6 Quattro						Rear	CTEK Standard Disc Brake Rotors
2021	Audi	A7 Sportback						Rear	C-TEK Standard Disc Brake Rotors
2021	Audi	Q5						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2021	Audi	Q5 PHEV						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2021	Audi	Q7						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2021	Audi	S4						Rear	330mm Disc Rotor; CTEK Standard Disc Brake Rotors
2021	Audi	S5						Rear	CTEK Standard Disc Brake Rotors
2021	Audi	S5 Sportback						Rear	CTEK Standard Disc Brake Rotors
2020	Audi	A4						Rear	Vented 330mm Rear Disc; CTEK Standard Disc Brake Rotors
2020	Audi	A4 allroad						Rear	330mm Rear Disc; 338mm Front Disc; C-TEK Standard Disc Brake Rotors
2020	Audi	A4 Quattro						Rear	330mm Rear Disc; 338mm Front Disc; C-TEK Standard Disc Brake Rotors
2020	Audi	A5 Quattro						Rear	CTEK Standard Disc Brake Rotors
2020	Audi	A5 Sportback						Rear	Vented 330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2020	Audi	A6 allroad						Rear	C-TEK Standard Disc Brake Rotors
2020	Audi	A6 Quattro						Rear	338mm Front Disc; C-TEK Standard Disc Brake Rotors
2020	Audi	A7 Sportback						Rear	C-TEK Standard Disc Brake Rotors
2020	Audi	Q5						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2020	Audi	Q5 PHEV						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2020	Audi	S4						Rear	330mm Disc Rotor; CTEK Standard Disc Brake Rotors
2020	Audi	S5						Rear	CTEK Standard Disc Brake Rotors
2020	Audi	S5 Sportback						Rear	CTEK Standard Disc Brake Rotors
2020	Audi	SQ5						Rear	C-TEK Standard Disc Brake Rotors
2020	Porsche	Macan	S					Rear	C-TEK Standard Disc Brake Rotors
2020	Porsche	Macan	Base					Rear	345mm Front Disc; Black Calipers; Iron Disc; C-TEK Standard Disc Brake Rotors
2019	Audi	A4						Rear	Vented 330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2019	Audi	A4 allroad						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2019	Audi	A4 Quattro						Rear	330mm Rear Disc; 338mm Front Disc; C-TEK Standard Disc Brake Rotors
2019	Audi	A5						Rear	Vented 330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2019	Audi	A5 Quattro						Rear	Vented 330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2019	Audi	A5 Sportback						Rear	Vented 330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2019	Audi	A6 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2019	Audi	Q5						Rear	C-TEK Standard Disc Brake Rotors
2019	Audi	S4						Rear	C-TEK Standard Disc Brake Rotors
2019	Audi	S5						Rear	C-TEK Standard Disc Brake Rotors
2019	Audi	S5 Sportback						Rear	C-TEK Standard Disc Brake Rotors
2019	Porsche	Macan						Rear	C-TEK Standard Disc Brake Rotors
2018	Audi	A4						Rear	Vented 330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2018	Audi	A4 allroad						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2018	Audi	A4 Quattro						Rear	330mm Rear Disc; 338mm Front Disc; C-TEK Standard Disc Brake Rotors
2018	Audi	A5						Rear	Vented 330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2018	Audi	A5 Quattro						Rear	Vented 330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2018	Audi	A5 Sportback						Rear	Vented 330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2018	Audi	A6						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2018	Audi	A6 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2018	Audi	A7 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2018	Audi	A8 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2018	Audi	Q5						Rear	C-TEK Standard Disc Brake Rotors
2018	Audi	Q7						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2018	Audi	S4						Rear	C-TEK Standard Disc Brake Rotors
2018	Audi	S5						Rear	C-TEK Standard Disc Brake Rotors
2018	Audi	S5 Sportback						Rear	C-TEK Standard Disc Brake Rotors
2018	Audi	SQ5						Rear	C-TEK Standard Disc Brake Rotors
2018	Porsche	Macan	S					Rear	C-TEK Standard Disc Brake Rotors
2018	Porsche	Macan	Base					Rear	C-TEK Standard Disc Brake Rotors
2017	Audi	A4						Rear	Vented 330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2017	Audi	A4 allroad						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2017	Audi	A4 Quattro						Rear	338mm Front Disc; CTEK Standard Disc Brake Rotors
2017	Audi	A6						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2017	Audi	A6 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2017	Audi	A7						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2017	Audi	A7 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2017	Audi	A8 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2017	Audi	Q5			3.0L	V6	GAS	Rear	C-TEK Standard Disc Brake Rotors
2017	Audi	Q5			3.0L	V6	DIESEL	Rear	C-TEK Standard Disc Brake Rotors
2017	Audi	Q7						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2017	Audi	S4						Rear	C-TEK Standard Disc Brake Rotors
2017	Audi	S5						Rear	C-TEK Standard Disc Brake Rotors
2017	Audi	SQ5						Rear	C-TEK Standard Disc Brake Rotors
2017	Porsche	Macan	Turbo					Rear	330mm Disc; 360mm Front Disc; C-TEK Standard Disc Brake Rotors
2017	Porsche	Macan	S					Rear	C-TEK Standard Disc Brake Rotors
2017	Porsche	Macan	GTS					Rear	330mm Disc; 360mm Front Disc; C-TEK Standard Disc Brake Rotors
2017	Porsche	Macan	Base					Rear	C-TEK Standard Disc Brake Rotors
2016	Audi	A5						Rear	Vented 330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2016	Audi	A6						Rear	C-TEK Standard Disc Brake Rotors
2016	Audi	A6 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2016	Audi	A7						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2016	Audi	A7 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2016	Audi	A8 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2016	Audi	Q5			3.0L	V6	GAS	Rear	C-TEK Standard Disc Brake Rotors
2016	Audi	Q5			3.0L	V6	DIESEL	Rear	C-TEK Standard Disc Brake Rotors
2016	Audi	Q5			2.0L	L4	ELECTRIC/GAS	Rear	C-TEK Standard Disc Brake Rotors
2016	Audi	Q7						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2016	Audi	S4						Rear	C-TEK Standard Disc Brake Rotors
2016	Audi	S5						Rear	C-TEK Standard Disc Brake Rotors
2016	Audi	S7						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2016	Audi	SQ5						Rear	C-TEK Standard Disc Brake Rotors
2016	Porsche	Macan	S					Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2016	Porsche	Macan	Base					Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2015	Audi	A6						Rear	C-TEK Standard Disc Brake Rotors
2015	Audi	A6 Quattro						Rear	Fits in place of original iron disc brake rotor.; C-TEK Standard Disc Brake Rotors
2015	Audi	A7 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2015	Audi	A8 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2015	Audi	Q5			3.0L	V6	GAS	Rear	C-TEK Standard Disc Brake Rotors
2015	Audi	Q5			3.0L	V6	DIESEL	Rear	C-TEK Standard Disc Brake Rotors
2015	Audi	Q5			2.0L	L4	ELECTRIC/GAS	Rear	C-TEK Standard Disc Brake Rotors
2015	Audi	S4						Rear	C-TEK Standard Disc Brake Rotors
2015	Audi	S5						Rear	C-TEK Standard Disc Brake Rotors
2015	Audi	S7						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2015	Audi	SQ5						Rear	C-TEK Standard Disc Brake Rotors
2015	Porsche	Macan	S					Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2015	Porsche	Macan	Base					Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2014	Audi	A6						Rear	C-TEK Standard Disc Brake Rotors
2014	Audi	A6 Quattro						Rear	Fits in place of original iron disc brake rotor.; C-TEK Standard Disc Brake Rotors
2014	Audi	A7 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2014	Audi	A8 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2014	Audi	Q5			3.0L	V6	GAS	Rear	C-TEK Standard Disc Brake Rotors
2014	Audi	Q5			3.0L	V6	DIESEL	Rear	C-TEK Standard Disc Brake Rotors
2014	Audi	Q5			2.0L	L4	ELECTRIC/GAS	Rear	C-TEK Standard Disc Brake Rotors
2014	Audi	S4						Rear	C-TEK Standard Disc Brake Rotors
2014	Audi	S5						Rear	C-TEK Standard Disc Brake Rotors
2014	Audi	SQ5						Rear	C-TEK Standard Disc Brake Rotors
2013	Audi	A6 Quattro						Rear	356mm Front Disc; Iron Disc; C-TEK Standard Disc Brake Rotors
2013	Audi	A7 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2013	Audi	A8 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2013	Audi	Q5			3.0L	V6	GAS	Rear	C-TEK Standard Disc Brake Rotors
2013	Audi	Q5			3.0L	V6	DIESEL	Rear	C-TEK Standard Disc Brake Rotors
2013	Audi	Q5			2.0L	L4	ELECTRIC/GAS	Rear	C-TEK Standard Disc Brake Rotors
2013	Audi	S4						Rear	C-TEK Standard Disc Brake Rotors
2013	Audi	S5						Rear	C-TEK Standard Disc Brake Rotors
2012	Audi	A6 Quattro						Rear	C-TEK Standard Disc Brake Rotors
2012	Audi	A7 Quattro						Rear	330mm Rear Disc; C-TEK Standard Disc Brake Rotors
2012	Audi	S4						Rear	C-TEK Standard Disc Brake Rotors
2012	Audi	S5						Rear	C-TEK Standard Disc Brake Rotors
2011	Audi	S4						Rear	C-TEK Standard Disc Brake Rotors
2011	Audi	S5		Convertible				Rear	C-TEK Standard Disc Brake Rotors
2010	Audi	S4						Rear	Fr 11/08/10; C-TEK Standard Disc Brake Rotors

* 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.