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  2. Auto Parts
  3. Brake System
  4. Drums and Rotors
  5. Disc Brake Rotor
  6. ACDelco 18A489A

ACDelco 18A489A Disc Brake Rotor

ACDelco 18A489A Disc Brake Rotor Image 1
ACDelco 18A489A Disc Brake Rotor Image 2
ACDelco 18A489A Disc Brake Rotor Image 3
ACDelco 18A489A Disc Brake Rotor Image 4
ACDelco 18A489A Disc Brake Rotor Image 5
ACDelco 18A489A Disc Brake Rotor

ACDelco
Brand:ACDelco
Part Number: 18A489A
UPC: 00707773625422
Weight: 20.5 lbs
Condition:New



On Sale:

$53.69

Availability:
18 in Stock
Warehouse: US-4
Quantity:

Product Information

Description:

Get the ACDelco 18A489A Disc Brake Rotor for your vehicle. Buy now and secure your purchase online!

ACDelco Silver (Advantage) Disc Brake Rotors are a quality, high value alternative for General Motors vehicles as well as most makes and models and are backed by General Motors. ACDelco Silver (Advantage) parts are a good choice for many vehicles on the road today. Some ACDelco Silver parts may have formerly appeared as ACDelco Advantage. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • Economical value with dependable quality
  • For General Motors vehicles as well as most makes and models
  • Some ACDelco Silver parts may have formerly appeared as ACDelco Advantage

Specifications:

Bolt Circle Diameter (in):
6.5 in
Bolt Circle Diameter (mm):
165.1 mm
Bolt Hole Quantity:
8
Center Bore Diameter (in):
5.4in
Center Bore Diameter (mm):
137.2mm
Center Hole Diameter:
137.15 mm
Center Hole Diameter:
5.4 in.
Construction:
Full Cast
Conventional Or Drum-In-Hat Type Rotor:
Conventional
Directional or Non-Directional Brake Surface:
No Degrees Celsius, Centigrade
Disc Finish:
Non-Directional
Discard Thickness:
1.215 in.
Discard Thickness:
30.85 mm
Grade Type:
Regular
Hat Finish:
Plain
Height (in):
2.8 in
Height (mm):
71.1 mm
Length (in):
12.8 in
Material:
Cast Iron
Mounting Bolt Hole Circle Diameter:
165.1 mm
Mounting Bolt Hole Circle Diameter:
6.5 in.
Mounting Bolt Hole Diameter:
0.64 in.
Mounting Bolt Hole Diameter:
16.25 mm
Mounting Bolt Hole Quantity:
8
Nominal Thickness:
1.285 in.
Nominal Thickness:
32.65 mm
Outside Diameter:
12.5 in.
Outside Diameter:
317.5 mm
Overall Height:
2.755 in.
Overall Height:
70 mm
Programming Required:
No
Rust Resistant Coating:
No
Slotted:
No
Solid Or Vented Type Rotor:
Solid
Stud/Lug Hole Quantity:
8
Surface Type:
Smooth
Weight (lb):
20.5 lb
Width (in):
12.8 in
Country of Origin:
CN

Manufacturer Warranty:

12 Months

Select a vehicle to narrow ACDelco 18A489A Disc Brake Rotor fitment info!

Last Updated: 03/01/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 
Chevrolet K1500 Suburban

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

Chevrolet K1500 Suburban



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 
Chevrolet K2500

6.5L V8 Diesel OHV Turbo
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

Chevrolet K2500



6.5L V8 Diesel OHV Turbo

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 
Chevrolet K2500

7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

Chevrolet K2500



7.4L V8 Gas OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
Chevrolet K2500

5.7L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

Chevrolet K2500



5.7L V8 Gas OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1998

 

1998

 
Chevrolet K2500

5.0L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

Chevrolet K2500



5.0L V8 Gas OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1996

 

1996

 
Chevrolet K2500

5.7L V8 CNG OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

Chevrolet K2500



5.7L V8 CNG OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
Chevrolet K2500

5.0L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

Chevrolet K2500



5.0L V8 Gas OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1995

 

1994

 

1995

 

1994

 
Chevrolet K2500

6.5L V8 Diesel OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

Chevrolet K2500



6.5L V8 Diesel OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
Chevrolet K2500

4.3L V6 Gas OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

Chevrolet K2500



4.3L V6 Gas OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
Chevrolet K2500

6.2L V8 Diesel OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

Chevrolet K2500



6.2L V8 Diesel OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 
Chevrolet K2500 Suburban

6.5L V8 Diesel OHV Turbo
2
 
Front
 
Silver-Non-Coated
8600lb GVW
 

Chevrolet K2500 Suburban



6.5L V8 Diesel OHV Turbo

Front Silver-Non-Coated
8600lb GVW

2 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 
Chevrolet K2500 Suburban

5.7L V8 Gas OHV,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
8600lb GVW
 

Chevrolet K2500 Suburban



5.7L V8 Gas OHV,
7.4L V8 Gas OHV

Front Silver-Non-Coated
8600lb GVW

2 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 
Chevrolet K3500

6.5L V8 Diesel OHV Turbo
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
 

Chevrolet K3500



6.5L V8 Diesel OHV Turbo

Front Silver-Non-Coated
without Dual Rear Wheels

2 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 
Chevrolet K3500

5.7L V8 Gas OHV,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
 

Chevrolet K3500



5.7L V8 Gas OHV,
7.4L V8 Gas OHV

Front Silver-Non-Coated
without Dual Rear Wheels

2 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1993

 

1992

 

1991

 

1990

 
Chevrolet K3500

6.2L V8 Diesel OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
 

Chevrolet K3500



6.2L V8 Diesel OHV

Front Silver-Non-Coated
without Dual Rear Wheels

2 Per Vehicle

1989

 

1988

 

1989

 

1988

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
Wheel Base 131.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front Silver-Non-Coated
Wheel Base 131.5 In.

2 Per Vehicle

1989

 

1988

 

1989

 

1988

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
Wheel Base 155.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front Silver-Non-Coated
Wheel Base 155.5 In.

2 Per Vehicle

1999

 

1998

 

1999

 

1998

 
Chevrolet Tahoe

6.5L V8 Diesel OHV Turbo
2
 
Front
 
Silver-Non-Coated
4WD
 

Chevrolet Tahoe



6.5L V8 Diesel OHV Turbo

Front Silver-Non-Coated
4WD

2 Per Vehicle

1997

 

1997

 
Chevrolet Tahoe

6.5L V8 Diesel OHV Turbo
2
 
Front
 
Silver-Non-Coated
with 8 Stud Rotor
4 Doors
4WD
 

Chevrolet Tahoe



6.5L V8 Diesel OHV Turbo

Front Silver-Non-Coated
with 8 Stud Rotor
4 Doors
4WD

2 Per Vehicle

1996

 

1995

 

1996

 

1995

 
Dodge Ram 2500

5.2L V8 CNG OHV
2
 
Front
 
Silver-Non-Coated
with 7500lb GVW
4WD
 

Dodge Ram 2500



5.2L V8 CNG OHV

Front Silver-Non-Coated
with 7500lb GVW
4WD

2 Per Vehicle

1996

 

1995

 

1994

 

1996

 

1995

 

1994

 
Dodge Ram 2500

5.2L V8 Gas OHV,
5.9L L6 Diesel OHV Turbo,
5.9L V8 Gas OHV,
8.0L V10 Gas OHV
2
 
Front
 
Silver-Non-Coated
with 7500lb GVW
4WD
 

Dodge Ram 2500



5.2L V8 Gas OHV,
5.9L L6 Diesel OHV Turbo,
5.9L V8 Gas OHV,
8.0L V10 Gas OHV

Front Silver-Non-Coated
with 7500lb GVW
4WD

2 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1999

 

1998

 

1997

 

1996

 

1995

 
GMC K1500 Suburban

6.5L V8 Diesel OHV Turbo
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

GMC K1500 Suburban



6.5L V8 Diesel OHV Turbo

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 
GMC K1500 Suburban

5.7L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

GMC K1500 Suburban



5.7L V8 Gas OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

2000

 

1999

 

2000

 

1999

 
GMC K2500

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
8600lb GVW
 

GMC K2500



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV

Front Silver-Non-Coated
8600lb GVW

2 Per Vehicle

1998

 

1998

 
GMC K2500

5.0L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

GMC K2500



5.0L V8 Gas OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 
GMC K2500

6.5L V8 Diesel OHV Turbo
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

GMC K2500



6.5L V8 Diesel OHV Turbo

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 
GMC K2500

7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

GMC K2500



7.4L V8 Gas OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
GMC K2500

5.7L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

GMC K2500



5.7L V8 Gas OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1996

 

1996

 
GMC K2500

5.7L V8 CNG OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

GMC K2500



5.7L V8 CNG OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1995

 

1994

 

1995

 

1994

 
GMC K2500

6.5L V8 Diesel OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

GMC K2500



6.5L V8 Diesel OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
GMC K2500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

GMC K2500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
GMC K2500

6.2L V8 Diesel OHV
2
 
Front
 
Silver-Non-Coated
with 8 Lug Wheels
 

GMC K2500



6.2L V8 Diesel OHV

Front Silver-Non-Coated
with 8 Lug Wheels

2 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 
GMC K2500 Suburban

6.5L V8 Diesel OHV Turbo
2
 
Front
 
Silver-Non-Coated
8600lb GVW
 

GMC K2500 Suburban



6.5L V8 Diesel OHV Turbo

Front Silver-Non-Coated
8600lb GVW

2 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 
GMC K2500 Suburban

5.7L V8 Gas OHV,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
8600lb GVW
 

GMC K2500 Suburban



5.7L V8 Gas OHV,
7.4L V8 Gas OHV

Front Silver-Non-Coated
8600lb GVW

2 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 
GMC K3500

6.5L V8 Diesel OHV Turbo
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
 

GMC K3500



6.5L V8 Diesel OHV Turbo

Front Silver-Non-Coated
without Dual Rear Wheels

2 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 
GMC K3500

5.7L V8 Gas OHV,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
 

GMC K3500



5.7L V8 Gas OHV,
7.4L V8 Gas OHV

Front Silver-Non-Coated
without Dual Rear Wheels

2 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1993

 

1992

 

1991

 

1990

 
GMC K3500

6.2L V8 Diesel OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
 

GMC K3500



6.2L V8 Diesel OHV

Front Silver-Non-Coated
without Dual Rear Wheels

2 Per Vehicle

1989

 

1988

 

1989

 

1988

 
GMC K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
Wheel Base 131.5 In.
 

GMC K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front Silver-Non-Coated
Wheel Base 131.5 In.

2 Per Vehicle

1989

 

1988

 

1989

 

1988

 
GMC K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
Wheel Base 155.5 In.
 

GMC K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front Silver-Non-Coated
Wheel Base 155.5 In.

2 Per Vehicle