OE Quality
60-Day Returns

Centric 123.66016 Brake Drum - Rear
Overview of Centric C-TEK Standard Brake Drum 123.66016
The Centric C-TEK Standard Brake Drum 123.66016 is engineered for reliable braking performance on Chevrolet Astro and GMC Safari vehicles. Designed to meet OEM specifications, this brake drum ensures consistent fit and function for your brake system.
- Compatible with Chevrolet Astro and GMC Safari models
- Part number 123.66016 for precise identification
- Maximum brake diameter (discard) of 9.590 inches (243.600 mm)
- Outside diameter of 11.930 inches (303.022 mm)
- Five bolt holes with a 5.000 inch (127.000 mm) bolt circle diameter
- Includes outer cooling fins for improved heat dissipation
- Floating mounting type with 0.530 inch (13.462 mm) mounting hole diameter
- Friction surface width of 2.480 inches (62.992 mm)
- Height of 3.140 inches (79.756 mm) and hub hole diameter of 3.100 inches (78.740 mm)
- Weight approximately 15.3 lbs (6.955 kgs)
Details on C-TEK Standard Brake Drums Product Line
The C-TEK Standard Brake Drums line by Centric is designed to provide dependable replacement parts that meet or exceed original equipment standards. This product line focuses on delivering consistent dimensions and quality materials to ensure proper fitment and reliable braking performance. The 123.66016 brake drum is part of this line, offering features such as outer cooling fins to help maintain optimal operating temperatures during braking.
Technical Description and Specifications
This brake drum features a nominal drum diameter of 9.500 inches (241.300 mm) and a maximum discard diameter of 9.590 inches (243.600 mm), indicating the wear limit for safe operation. The outside diameter measures 11.930 inches (303.022 mm), accommodating the brake shoes and ensuring proper contact. The drum includes five bolt holes arranged on a 5.000 inch (127.000 mm) bolt circle diameter, compatible with the Chevrolet Astro and GMC Safari mounting patterns. The friction surface width of 2.480 inches (62.992 mm) provides sufficient area for brake shoe engagement, while the floating mounting type allows for slight movement to reduce stress and wear. Outer cooling fins are integrated to enhance heat dissipation, which helps prevent brake fade during extended use.
Common Applications and Problem Solving
- Replacement for worn or scored brake drums on Chevrolet Astro and GMC Safari
- Restores proper braking surface to eliminate brake noise and vibration
- Addresses brake fade caused by overheating through improved cooling fins
- Corrects uneven brake shoe wear due to damaged or warped drums
- Ensures safe braking performance by maintaining OEM specifications
Installation Notes and Tips
- Verify compatibility with Chevrolet Astro or GMC Safari before installation
- Inspect brake shoes and hardware for wear and replace if necessary
- Clean mounting surfaces and check bolt hole alignment for proper fit
- Use proper torque specifications on mounting bolts to avoid warping
- Test brakes after installation to confirm smooth operation and absence of noise
Quality Assurance and Warranty
Centric C-TEK Standard Brake Drums are manufactured to meet strict quality standards, ensuring durability and consistent performance. The 123.66016 brake drum undergoes rigorous testing to comply with OEM fit and function requirements. While specific warranty details may vary, Centric typically offers coverage against defects in materials and workmanship to provide confidence in your replacement part.
| Brand | Centric |
|---|---|
| Part Number | 123.66016 |
| Position | C-TEK Standard Brake Drums, Rear |
| Bolt Circle Diameter [cntrc] in | 5.000 |
| Bolt Circle Diameter [cntrc] mm | 127.000 |
| Bolt Hole Quantity | 5 |
| Friction Surface Width [cntrc] in | 2.480 |
| Friction Surface Width [cntrc] mm | 62.992 |
| Height [cntrc] in | 3.140 |
| Height [cntrc] mm | 79.756 |
| Hub Hole / Register [cntrc] in | 3.100 |
| Hub Hole / Register [cntrc] mm | 78.740 |
| Maximum Brake Diameter (Discard) | 9.590 |
| Maximum Brake Diameter (Discard) | 243.600 |
| Mounting Hole Diameter | 0.530 |
| Mounting Hole Diameter | 13.462 |
| Mounting Type [cntrc] | Floating |
| Nominal Drum Diameter | 9.500 |
| Nominal Drum Diameter | 241.300 |
| Outer Cooling Fins | Yes |
| Outside Diameter | 11.930 |
| Outside Diameter | 303.022 |
| Weight [cntrc] kgs | 6.955 |
| Weight [cntrc] lbs | 15.300 |
This part fits 36 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2002 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 2002 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 2001 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 2001 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 2000 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 2000 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 1999 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 1999 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 1998 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 1998 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 1997 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 1997 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 1996 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 1996 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 1995 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 1995 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 1994 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 1994 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 1993 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 1993 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 1992 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 1992 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 1991 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 1991 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 1990 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 1990 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 1989 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 1989 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 1988 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 1988 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 1987 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 1987 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 1986 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 1986 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
| 1985 | Chevrolet | Astro | Rear | C-TEK Standard Brake Drums |
| 1985 | GMC | Safari | Rear | C-TEK Standard Brake Drums |
* 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.