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Centric 123.66029 Brake Drum - Rear
Overview of Centric C-TEK Standard Brake Drum 123.66029
The Centric C-TEK Standard Brake Drum 123.66029 is engineered for reliable braking performance on heavy-duty Chevrolet and GMC vehicles. Designed specifically for models like the Chevrolet C3500 and GMC Savana 3500, this brake drum offers precise fitment and durability for demanding applications.
- Compatible with Chevrolet C35, C3500, Express 3500, GMC G30, K3500, P30, P3500, and Savana 3500
- Nominal drum diameter of 13.000 inches (330.2 mm)
- Outside diameter measures 16.200 inches (411.48 mm)
- Equipped with 8 bolt holes and a 6.5-inch (165.1 mm) bolt circle diameter
- Features outer cooling fins for enhanced heat dissipation
- Floating mounting type with 0.620 inch (15.75 mm) mounting hole diameter
- Friction surface width of 4.020 inches (102.108 mm)
- Weight approximately 49.25 lbs (22.386 kgs)
About the C-TEK Standard Brake Drums Line
The C-TEK Standard Brake Drums line by Centric is designed to meet OEM specifications for standard replacement brake drums. This product line focuses on delivering consistent performance and fitment for commercial and heavy-duty vehicles. The 123.66029 brake drum maintains the structural integrity and dimensional accuracy required for Chevrolet and GMC trucks, ensuring dependable braking under typical operating conditions.
Detailed Product Description
This Centric brake drum features a nominal diameter of 13 inches, matching the original equipment dimensions for proper brake shoe contact and wear. The outside diameter of 16.2 inches and the inclusion of outer cooling fins help manage heat buildup during braking, reducing the risk of brake fade. The drumβs 8-bolt hole configuration and 6.5-inch bolt circle diameter ensure secure mounting on compatible Chevrolet and GMC heavy-duty models. With a floating mounting type and a friction surface width of just over 4 inches, this brake drum supports effective braking force distribution and longevity.
Common Applications and Problem Solving
- Replacement for worn or scored brake drums on Chevrolet C3500 and GMC Savana 3500
- Addresses brake noise and vibration caused by uneven drum surfaces
- Resolves reduced braking efficiency due to heat-related drum warping
- Suitable for restoring proper brake shoe alignment and contact
- Helps maintain safe stopping distances on heavy-duty trucks
Installation Notes and Tips
- Verify compatibility with vehicle make and model before installation
- Inspect brake shoes and hardware for wear and replace as needed
- Ensure mounting surfaces are clean and free of debris for proper fit
- Torque bolts to manufacturer specifications to avoid mounting issues
- Check drum runout after installation to prevent brake pulsation
Quality Assurance and Warranty
Centric manufactures the C-TEK Standard Brake Drums to meet or exceed OEM standards for fit, form, and function. Each brake drum undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details for part number 123.66029 should be confirmed with the distributor, Centric typically offers limited warranties covering defects in materials and workmanship.
| Brand | Centric |
|---|---|
| Part Number | 123.66029 |
| Position | C-TEK Standard Brake Drums, Rear |
| Bolt Circle Diameter [cntrc] in | 6.500 |
| Bolt Circle Diameter [cntrc] mm | 165.100 |
| Bolt Hole Quantity | 8 |
| Friction Surface Width [cntrc] in | 4.020 |
| Friction Surface Width [cntrc] mm | 102.108 |
| Height [cntrc] in | 7.610 |
| Height [cntrc] mm | 193.294 |
| Hub Hole / Register [cntrc] in | 4.600 |
| Hub Hole / Register [cntrc] mm | 116.840 |
| Maximum Brake Diameter (Discard) | 13.090 |
| Maximum Brake Diameter (Discard) | 332.500 |
| Mounting Hole Diameter | 0.620 |
| Mounting Hole Diameter | 15.750 |
| Mounting Type [cntrc] | Floating |
| Nominal Drum Diameter | 13.000 |
| Nominal Drum Diameter | 330.200 |
| Outer Cooling Fins | Yes |
| Outside Diameter | 16.200 |
| Outside Diameter | 411.480 |
| Weight [cntrc] kgs | 22.386 |
| Weight [cntrc] lbs | 49.250 |
This part fits 102 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2002 | Chevrolet | Express 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 2002 | GMC | Savana 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 2001 | Chevrolet | Express 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 2001 | GMC | Savana 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 2000 | Chevrolet | C35 | Rear | C-TEK Standard Brake Drums |
| 2000 | Chevrolet | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 2000 | Chevrolet | Express 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 2000 | Chevrolet | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 2000 | GMC | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 2000 | GMC | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 2000 | GMC | Savana 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1999 | Chevrolet | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1999 | Chevrolet | Express 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1999 | Chevrolet | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1999 | Chevrolet | P30 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1999 | GMC | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1999 | GMC | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1999 | GMC | P3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1999 | GMC | Savana 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1998 | Chevrolet | C35 | Rear | C-TEK Standard Brake Drums |
| 1998 | Chevrolet | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1998 | Chevrolet | Express 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1998 | Chevrolet | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1998 | Chevrolet | P30 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1998 | GMC | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1998 | GMC | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1998 | GMC | P3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1998 | GMC | Savana 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1997 | Chevrolet | C35 | Rear | C-TEK Standard Brake Drums |
| 1997 | Chevrolet | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1997 | Chevrolet | Express 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1997 | Chevrolet | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1997 | Chevrolet | P30 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1997 | GMC | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1997 | GMC | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1997 | GMC | P3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1997 | GMC | Savana 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1996 | Chevrolet | C35 | Rear | C-TEK Standard Brake Drums |
| 1996 | Chevrolet | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1996 | Chevrolet | Express 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1996 | Chevrolet | G30 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1996 | Chevrolet | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1996 | Chevrolet | P30 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1996 | GMC | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1996 | GMC | G3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1996 | GMC | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1996 | GMC | P3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1996 | GMC | Savana 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1995 | Chevrolet | C35 | Rear | C-TEK Standard Brake Drums |
| 1995 | Chevrolet | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1995 | Chevrolet | G30 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1995 | Chevrolet | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1995 | Chevrolet | P30 | Rear | DRW; Rear Drum Brks; C-TEK Standard Brake Drums |
| 1995 | GMC | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1995 | GMC | G3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1995 | GMC | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1995 | GMC | P3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1994 | Chevrolet | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1994 | Chevrolet | G30 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1994 | Chevrolet | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1994 | Chevrolet | P30 | Rear | DRW; Rear Drum Brks; C-TEK Standard Brake Drums |
| 1994 | GMC | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1994 | GMC | G3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1994 | GMC | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1994 | GMC | P3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1993 | Chevrolet | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1993 | Chevrolet | G30 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1993 | Chevrolet | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1993 | Chevrolet | P30 | Rear | 13" x 3 1/2" Rear Shoe; 4.6" Hub Hole; DRW; C-TEK Standard Brake Drums |
| 1993 | GMC | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1993 | GMC | G3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1993 | GMC | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1993 | GMC | P3500 | Rear | 4.6" Hub Hole; DRW; C-TEK Standard Brake Drums |
| 1992 | Chevrolet | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1992 | Chevrolet | G30 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1992 | Chevrolet | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1992 | Chevrolet | P30 | Rear | 13" x 3 1/2" Rear Shoe; 4.6" Hub Hole; DRW; C-TEK Standard Brake Drums |
| 1992 | GMC | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1992 | GMC | G3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1992 | GMC | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1992 | GMC | P3500 | Rear | 4.6" Hub Hole; DRW; C-TEK Standard Brake Drums |
| 1991 | Chevrolet | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1991 | Chevrolet | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1991 | Chevrolet | P30 | Rear | 13" x 3 1/2" Rear Shoe; 4.6" Hub Hole; DRW; C-TEK Standard Brake Drums |
| 1991 | GMC | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1991 | GMC | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1991 | GMC | P3500 | Rear | 4.6" Hub Hole; DRW; C-TEK Standard Brake Drums |
| 1990 | Chevrolet | C35 | Rear | C-TEK Standard Brake Drums |
| 1990 | Chevrolet | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1990 | Chevrolet | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1990 | Chevrolet | P30 | Rear | 13" x 3 1/2" Rear Shoe; DRW; JB8; C-TEK Standard Brake Drums |
| 1990 | GMC | C3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1990 | GMC | K3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; C-TEK Standard Brake Drums |
| 1990 | GMC | P3500 | Rear | DRW; I-Beam FA; C-TEK Standard Brake Drums |
| 1990 | GMC | P3500 | Rear | DRW; IFS; C-TEK Standard Brake Drums |
| 1989 | Chevrolet | C35 | Rear | C-TEK Standard Brake Drums |
| 1988 | Chevrolet | C35 | Rear | C-TEK Standard Brake Drums |
| 1987 | Chevrolet | C35 | Rear | C-TEK Standard Brake Drums |
| 1986 | Chevrolet | C35 | Rear | C-TEK Standard Brake Drums |
| 1985 | Chevrolet | C35 | Rear | C-TEK Standard Brake Drums |
| 1984 | Chevrolet | C35 | Rear | C-TEK Standard Brake Drums |
| 1983 | Chevrolet | C35 | 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.