Need help? We're here!
(888) 312-8812 Login SignupACDELCO 18A2668 Rear Drum In-Hat Disc Brake Rotor
$14199
Limited availability at this price!
1 Day Lead Time
Get it by Thursday, Jul 2
ACDELCO 18A2668 Part Description
ROTORRR BRK
ACDELCO 18A2668 Specifications
Product Attributes
| Discard Thickness | 37.4 MM |
| Center Hole Diameter | 139.4 MM |
| Pad Contact Surface Width | 2.4 IN |
| Height (in) | 4.3 in |
| Center Bore Diameter (in) | 5.5in |
| Bolt Circle Diameter (in) | 7.8 in |
| Bolt Hole Quantity | 10 |
| Overall Height | 109.65 MM |
| Discard Thickness | 1.472 IN |
| Center Hole Diameter | 5.488 IN |
| Pad Contact Surface Width | 60.15 MM |
| Height (mm) | 109.7 mm |
| Center Bore Diameter (mm) | 139.4mm |
| Bolt Circle Diameter (mm) | 198 mm |
| Overall Rotor Diameter (mm) | 389.89mm |
| Outside Diameter | 390 MM |
| Inside Diameter | 10.618 IN |
| Product Description | ACDelco Gold (Professional) Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. They feature a thickness variation that is less than 0.0004 to minimize pedal pulsation, noise, and help to extend brake pad life. These rotors meet the SAE standard for structural integrity with OE matched G3000 qualified material delivering guaranteed performance. Also, no machining is required. ACDelco Gold (Professional) Disc Brake Rotors are ready to be installed right out of the box. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional. ⚠<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Good Maintenance Practices - Section 1 - Bullet 2 | Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required. |
| Material | Cast Iron |
| Good Maintenance Practices - Section 1 - Bullet 1 | Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations. |
| Good Maintenance Practices - Section 1 - Bullet 4 | Check the thickness of your brake pads. |
| FAQ - Question 1 | Does ACDelco offer other grades of brake rotors? |
| Features & Benefits - Bullet 3 | Follows original manufacturers' designs for dispersing heat, helping to prolong pad and rotor life while reducing noise and vibration |
| Construction | Full Cast |
| Features & Benefits - Bullet 2 | Independently tested with Noise/Vibration/Harshness (NVH) and durability/wear testing; resulting in high quality and reliable products |
| Good Maintenance Practices - Section 1 - Bullet 3 | Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary). |
| Features & Benefits - Bullet 1 | Inspected for balance; resulting in smooth brake operation and noise reduction |
| Good Maintenance Practices - Section 2 - Bullet 2 | Inspection of brake lining and pads for wear or contamination by brake fluid or grease. |
| Good Maintenance Practices - Section 2 - Bullet 1 | Inspection of the brake hoses for brittleness or cracking. |
| Good Maintenance Practices - Section 2 - Bullet 3 | Inspection of wheel bearings and grease seals. |
| Features & Benefits - Bullet 6 | Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models |
| Slotted | No |
| Programming Required | No |
| Good Maintenance Practices - Section 2 - Bullet 4 | Parking brake adjustments (as needed). |
| Features & Benefits - Bullet 5 | Premium aftermarket replacement part |
| Grade Type | Regular |
| Surface Type | Smooth |
| Features & Benefits - Bullet 4 | Some ACDelco Gold parts may have formerly appeared as ACDelco Professional |
| Good Maintenance Practices - Section 1 - Header | The following inspections and maintenance procedures can help prevent potential brake problems: |
| Good Maintenance Practices - Section 2 - Header | The following should be conducted by a qualified technician: |
| Disc Finish | Turned |
| Hat Finish | Turned |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 4 | Vehicle pulls to the left or right when brakes are applied. |
| Solid Or Vented Type Rotor | Vented |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 5 | Visible ridges or deep grooves on the rotor surface. |
| Rust Resistant Coating | Yes |
| FAQ - Answer 1 | Yes, ACDelco also offers GM OE brake rotor and Advantage brake rotors. |
| Inside Diameter | 269.7 MM |
| Mounting Bolt Hole Circle Diameter | 7.795 IN |
| Mounting Bolt Hole Circle Diameter | 198 MM |
| Mounting Bolt Hole Diameter | 0.507 IN |
| Mounting Bolt Hole Diameter | 12.9 MM |
| Mounting Bolt Hole Quantity | 10 |
| Nominal Thickness | 1.535 IN |
| Nominal Thickness | 39 MM |
| Outside Diameter | 15.354 IN |
| Overall Height | 4.317 IN |
| Stud/Lug Hole Quantity | 10 |
| Conventional Or Drum-In-Hat Type Rotor | Drum-In-Hat |
| ABS Tone Ring Included | Yes |
Additional Information
| Warranty Special | 24 Months/Unlimited Miles Limited Warranty (Parts Only). Please see ACDelco.com for more details|36 Months/60,000 Kilometers Limited Warranty (Parts Only). Please see ACDelcocanada.com for more details |
| Harmonized Tariff Code (HTS) | 8708305030 |
| Country of Origin (Primary) | CN |
| Warranty Special UOM | TX |
| UPC | 00707773682401 |
ACDELCO 18A2668 Fits Vehicles
- GMC C4500 Topkick (2004-2009)
- GMC C5500 Topkick (2004-2009)
- Chevrolet C5500 Kodiak (2004-2009)
- Chevrolet C4500 Kodiak (2004-2009)
ACDELCO 18A2668 Customer Reviews
No reviews yet
Be the first to review this product!
ACDELCO 18A2668 Manufacturer Information
A true OEM auto parts brand for GM and non-GM vehicles, ACDelco® offers a wide portfolio of parts designed to keep vehicles on the road longer. These parts work precisely and fit perfectly because they are designed, engineered, tested, and backed by General Motors. But ACDelco also carries aftermarket components that go through the same 18-step quality approval process as the OE parts. Whether customers choose OE or aftermarket, they’d get the same reliable performance, precise engineering, and superior reliability for years to come. ACDelco’s expansive product portfolio includes alternators, filters, batteries, brakes, belts and hoses, oil and fluids, and suspension parts. These products are made to meet GM and non-GM vehicles’ ever-evolving powertrain, collision, maintenance, and repair needs.
ACDELCO 18A2668 Questions & Answers
No questions yet
Be the first to ask a question about this product!
California residents see
