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ACDelco 18A489SD | Front Disc Brake Rotor
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ACDelco 18A489SD | Front Disc Brake Rotor

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$120.59
Part Number
ACD18A489SD
UPC:
7.07774E+11
Condition:
New
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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. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

BRAND: ACDelco

FEATURES:

  • brake-pad;-brake-shoe;rotors;drum;brake-job;front-brake;rear-brake;cylider;hydraluic;dot-3;dot-4;front-brakes;rear-brakes;brake-set;breaks
  • Chevrolet;Dodge;GMC
  • Damped iron metallurgy reduces noise and dissipates heat
  • Front Brake Rotor
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • Match OE vane configuration for reduced brake wear and optimal cooling
  • Mill balanced to reduce vibration
  • Non-directional rotation eliminates the need for unique left and right designations
  • Performance Front Disc Brake Rotor
  • Premium aftermarket replacement part
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

SPECIFICS:

Bolt Circle Diameter (in)6.5
Bolt Circle Diameter (mm)165.1
Bolt Hole Quantity8
Center Bore Diameter (in)5.4 in
Center Bore Diameter (mm)137.3 mm
FAQ - Answer 1No, but it is a good idea to inspect them for wear-out, cracking, leaking etc.
FAQ - Answer 2No, but it is a good idea to inspect your brake rotors at each tire rotation.
FAQ - Question 1Do I have to replace all my brake parts when replacing my brake rotors?
FAQ - Question 2Do I have to replace my brake rotors after a certain amount of time?
Good Maintenance Practices - Section 1 - Bullet 1Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
Good Maintenance Practices - Section 1 - Bullet 2Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Good Maintenance Practices - Section 1 - Bullet 3Inspect 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 - Bullet 4Check the thickness of your brake pads.
Good Maintenance Practices - Section 1 - HeaderThe following inspections and maintenance procedures can help prevent potential brake problems:
Good Maintenance Practices - Section 2 - Bullet 1Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - Section 2 - Bullet 2Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - Section 2 - Bullet 3Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4Parking brake adjustments (as needed).
Good Maintenance Practices - Section 2 - HeaderThe following should be conducted by a qualified technician:
Height (in)2.8
Height (mm)70
Overall Rotor Diameter (mm)317.5 mm
Programming RequiredNo
Signs of Wear & Troubleshooting - Section 1 - Bullet 1Visible ridges on rotor surface.
Signs of Wear & Troubleshooting - Section 1 - Bullet 2Chirping, grinding, or squeaking noises when braking.
Signs of Wear & Troubleshooting - Section 1 - Bullet 3Difficulty stopping the vehicle.
Signs of Wear & Troubleshooting - Section 1 - Bullet 4A low or sinking brake pedal.
Signs of Wear & Troubleshooting - Section 1 - Bullet 5Braking 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 6Vehicle pulls to the left or right when brakes are applied.
Signs of Wear & Troubleshooting - Section 1 - HeaderBrake rotor signs of wear include:
SlottedYes

APPLICATIONS:

  • 1990-2000 Chevrolet K3500 - Position: Front
    • without Dual Rear Wheels
  • 1992-1999 Chevrolet K2500 Suburban - Position: Front
    • 8600lb GVW
  • 1997-1997 Chevrolet Tahoe - Position: Front
    • with 8 Stud Rotor
  • 1992-1999 GMC K2500 Suburban - Position: Front
    • 8600lb GVW
  • 1988-1989 Chevrolet K3500 - Position: Front
  • 1988-2000 Chevrolet K2500 - Position: Front
    • with 8 Lug Wheels
  • 1999-2000 GMC K2500 - Position: Front
    • 8600lb GVW
  • 1988-1989 GMC K3500 - Position: Front
  • 1994-1999 GMC K1500 Suburban - Position: Front
    • with 8 Lug Wheels
  • 1994-1996 Dodge Ram 2500 - Position: Front
    • with 7500lb GVW
  • 1988-1998 GMC K2500 - Position: Front
    • with 8 Lug Wheels
  • 1994-1999 Chevrolet K1500 Suburban - Position: Front
    • with 8 Lug Wheels
  • 1990-2000 GMC K3500 - Position: Front
    • without Dual Rear Wheels
  • 1998-1999 Chevrolet Tahoe - Position: Front

Attributes
Product type:
Aftermarket
Brand Description:
Front Brake Rotor
Product Description:
Performance Front Disc Brake Rotor
Grade Type:
Performance
Bolt Hole Quantity:
8
Nominal Thickness (Inch):
1.285
Outside Diameter (Inch):
12.5
Discard Thickness (Inch):
1.215
Rust Resistant Coating:
Yes
Construction:
Full Cast
Material:
Cast Iron
Slotted:
Yes
Solid Or Vented Type Rotor:
Vented
Surface Type:
Smooth
Hat Finish:
Turned
Disc Finish:
Turned
Programming Required:
No
Pad Contact Surface Width (Inch):
2.1
Hazardous Material:
No
Minimum Order Quantity:
1
Features & Benefits - Bullet 2:
Damped iron metallurgy reduces noise and dissipates heat
Features & Benefits - Bullet 4:
Mill balanced to reduce vibration
Life Cycle Status:
Announced
Features & Benefits - Bullet 3:
Non-directional rotation eliminates the need for unique left and right designations
Life Cycle Status Description:
Announced - Part has been announced to customers on a paper “New Number Announcement”. Part is active.
Features & Benefits - Bullet 1:
Match OE vane configuration for reduced brake wear and optimal cooling
Item Level GTIN:
00707773905494
Height (in) (Inch):
2.8
Signs of Wear & Troubleshooting - Section 1 - Bull:
Vehicle pulls to the left or right when brakes are applied.
Signs of Wear & Troubleshooting - Section 1 - Bull:
Difficulty stopping the vehicle.
Signs of Wear & Troubleshooting - Section 1 - Bull:
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 - Bull:
A low or sinking brake pedal.
Signs of Wear & Troubleshooting - Section 1 - Bull:
Visible ridges on rotor surface.
Signs of Wear & Troubleshooting - Section 1 - Bull:
Chirping, grinding, or squeaking noises when braking.
FAQ - Answer 2:
No, but it is a good idea to inspect your brake rotors at each tire rotation.
FAQ - Question 1:
Do I have to replace all my brake parts when replacing my brake rotors?
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 6:
Premium aftermarket replacement part
FAQ - Question 2:
Do I have to replace my brake rotors after a certain amount of time?
Signs of Wear & Troubleshooting - Section 1 - Head:
Brake rotor signs of wear include:
Features & Benefits - Bullet 5:
Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
FAQ - Answer 1:
No, but it is a good idea to inspect them for wear-out, cracking, leaking etc.
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 2:
Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
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 - Bullet 4:
Check the thickness of your brake pads.
Good Maintenance Practices - Section 1 - Header:
The following inspections and maintenance procedures can help prevent potential brake problems:
Good Maintenance Practices - Section 2 - Bullet 1:
Inspection of the brake hoses for brittleness or cracking.
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 3:
Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4:
Parking brake adjustments (as needed).
Outside Diameter (Millimeter):
317.5
Good Maintenance Practices - Section 2 - Header:
The following should be conducted by a qualified technician:
Center Bore Diameter (in):
5.4 in
Center Bore Diameter (mm):
137.3 mm
Height (mm) (Millimeter):
70
Bolt Circle Diameter (in) (Inch):
6.5
Bolt Circle Diameter (mm) (Millimeter):
165.1
ABS Sensor Ring Included:
No
Discard Thickness (Millimeter):
30.861
Nominal Thickness (Millimeter):
32.639
Pad Contact Surface Width (Millimeter):
52.95
Overall Rotor Diameter (mm):
317.5 mm
Country of Origin:
China
Weight - Each (Gross Pounds):
20.50
Height - Each (Inch):
04.20
Length - Each (Inch):
13.00
Width - Each (Inch):
13.00



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