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ACDelco 18A409SD - Disc Brake Rotor - 5 Lug Holes, Cast Iron Slotted, Turned, Vented, Front
$13199
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ACDELCO part description
ACDELCO 18A409SD -
Product Description
Front Brake Rotor
Product Attributes
| Nominal Thickness | 24.003mm (0.945 in.) |
| Center Hole Diameter | 72.14mm (2.84 in.) |
| BOLT CIRCLE | 114.3mm (4.5 in.) |
| Driving Style | Daily Driver, Hauling & Towing, Performance / Racing |
| Lug Holes Quantity | 5 |
| Lug Holes Quantity | 5 |
| Minimum Thickness | 22.708mm (0.894 in.) |
| Minimum Thickness | 22.708mm (0.894 in.) |
| Quantity | 1 Per Pack |
| Quantity | 1 Per Pack |
| Rotor Construction | 1-Piece |
| Rotor Construction | 1-Piece |
| Rotor Design | Rotors Only |
| Rotor Design | Rotors Only |
| Rotor Diameter | 284.5mm (11.2 in.) |
| Rotor Diameter | 284.5mm (11.2 in.) |
| Rotor Finish | Turned |
| Rotor Finish | Turned |
| Rotor Height | 81.28mm (3.2 in.) |
| Rotor Material | Cast Iron |
| Rotor Style | Slotted |
| Rotor Style | Slotted |
| Rotor type | Vented |
| Rotor type | Vented |
| Mounting Bolt Hole Circle Diameter | 4.5 IN |
| Nominal Thickness | 0.95 IN |
| Pad Contact Surface Width | 2 IN |
| Center Bore Diameter (in) | 2.8in |
| Height (in) | 3.2 in |
| Bolt Circle Diameter (in) | 4.5 in |
| Bolt Hole Quantity | 5 |
| Center Hole Diameter | 2.835 IN |
| Discard Thickness | 22.6 MM |
| Nominal Thickness | 24.15 MM |
| Pad Contact Surface Width | 51.7 MM |
| Center Bore Diameter (mm) | 72.1mm |
| Height (mm) | 81.5 mm |
| Bolt Circle Diameter (mm) | 114.3 mm |
| Overall Rotor Diameter (mm) | 284.48mm |
| Mounting Bolt Hole Circle Diameter | 114.3 MM |
| Good Maintenance Practices - Section 2 - Bullet 2 | Inspection of brake lining and pads for wear or contamination by brake fluid or grease. |
| Product Description | ACDelco Gold (Professional) Performance (Severe Duty) Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. These brake rotors provide reliable vehicle braking power. They feature a thickness variation that helps to minimize pedal pulsation, noise, and help to extend brake pad life. These brake rotors meet the SAE standard for structural integrity with OE matched material, delivering guaranteed performance. Black and gray fusion coating provides corrosion protection. These rotors are uniquely designed for off road vehicles, SUVs, trucks, and fleet trucks. ACDelco Gold (Professional) Performance (Severe Duty) Disc Brake Rotors are ready to be installed right out of the box - no machining required. 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 |
| FAQ - Answer 1 | No, but it is a good idea to inspect them for wear-out, cracking, leaking etc. |
| Good Maintenance Practices - Section 2 - Bullet 1 | Inspection of the brake hoses for brittleness or cracking. |
| 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 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). |
| Good Maintenance Practices - Section 1 - Header | The following inspections and maintenance procedures can help prevent potential brake problems: |
| Good Maintenance Practices - Section 2 - Bullet 4 | Parking brake adjustments (as needed). |
| Features & Benefits - Bullet 2 | Damped iron metallurgy reduces noise and dissipates heat |
| Good Maintenance Practices - Section 2 - Bullet 3 | Inspection of wheel bearings and grease seals. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 1 | Visible ridges on rotor surface. |
| Construction | Full Cast |
| Good Maintenance Practices - Section 1 - Bullet 1 | Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 4 | A low or sinking brake pedal. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 5 | Braking causes the pedal and/or steering wheel to pulsate/vibrate (not to be confused with normal ABS operation. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 3 | Difficulty stopping the vehicle. |
| Features & Benefits - Bullet 7 | Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models |
| Features & Benefits - Bullet 1 | Match OE vane configuration for reduced brake wear and optimal cooling |
| Features & Benefits - Bullet 4 | Mill balanced to reduce vibration |
| Programming Required | No |
| Signs of Wear & Troubleshooting - Section 1 - Header | Brake rotor signs of wear include: |
| Features & Benefits - Bullet 3 | Non-directional rotation eliminates the need for unique left and right designations |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 2 | Chirping, grinding, or squeaking noises when braking. |
| Grade Type | Performance |
| Features & Benefits - Bullet 6 | Premium aftermarket replacement part |
| Surface Type | Smooth |
| Features & Benefits - Bullet 5 | Some ACDelco Gold parts may have formerly appeared as ACDelco Professional |
| Good Maintenance Practices - Section 1 - Bullet 4 | Check the thickness of your brake pads. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 6 | Vehicle pulls to the left or right when brakes are applied. |
| Disc Finish | Turned |
| Hat Finish | Turned |
| Good Maintenance Practices - Section 2 - Header | The following should be conducted by a qualified technician: |
| Solid Or Vented Type Rotor | Vented |
| FAQ - Question 1 | Do I have to replace all my brake parts when replacing my brake rotors? |
| Rust Resistant Coating | Yes |
| Slotted | Yes |
| FAQ - Question 2 | Do I have to replace my brake rotors after a certain amount of time? |
| FAQ - Answer 2 | No, but it is a good idea to inspect your brake rotors at each tire rotation. |
| Discard Thickness | 0.89 IN |
| Center Hole Diameter | 72 MM |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| ABS Tone Ring Included | No |
| Outside Diameter | 11.02 IN |
| Outside Diameter | 279.9 MM |
| Overall Height | 3.224 IN |
| Overall Height | 81.9 MM |
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 | 00707773905487 |
Fits Vehicles
- Jeep Wagoneer (1990)
- Jeep Comanche (1990-1992)
- Jeep Grand Wagoneer (1991, 1993)
- Jeep TJ (1997-1999)
- Jeep Grand Cherokee (1993-1998)
- Jeep Cherokee (1990-1999)
- Jeep Wrangler (1990-1995, 1997-1999)
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.
California residents see Prop 65 Warning(s)
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