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  2. Auto Parts
  3. Brake System
  4. Drums and Rotors
  5. Disc Brake Rotor
  6. ACDelco 18A274A

ACDelco 18A274A Disc Brake Rotor

ACDelco 18A274A Disc Brake Rotor Image 1
ACDelco 18A274A Disc Brake Rotor Image 2
ACDelco 18A274A Disc Brake Rotor Image 3
ACDelco 18A274A Disc Brake Rotor Image 4
ACDelco 18A274A Disc Brake Rotor

ACDelco
Brand:ACDelco
Part Number: 18A274A
UPC: 00021625778341
Weight: 35 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco 18A274A 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):
5.1in
Center Bore Diameter (mm):
129.5mm
Center Hole Diameter:
130.3 mm
Center Hole Diameter:
5.13 in.
Construction:
Composite
Conventional Or Drum-In-Hat Type Rotor:
Conventional
Disc Finish:
Non-Directional
Discard Thickness:
1.465 in.
Discard Thickness:
37.2 mm
Grade Type:
Regular
Hat Finish:
Painted
Height (in):
3.2 in
Height (mm):
81.3 mm
Length (in):
14.5 in
Mounting Bolt Hole Circle Diameter:
165.1 mm
Mounting Bolt Hole Circle Diameter:
6.5 in.
Mounting Bolt Hole Diameter:
165.1 mm
Mounting Bolt Hole Diameter:
6.5 in.
Mounting Bolt Hole Quantity:
8
Nominal Thickness:
1.535 in.
Nominal Thickness:
39 mm
Outside Diameter:
14.235 in.
Outside Diameter:
361.55 mm
Overall Height:
3.21 in.
Overall Height:
81.55 mm
Programming Required:
No
Rust Resistant Coating:
No
Slotted:
No
Solid Or Vented Type Rotor:
Vented
Stud/Lug Hole Quantity:
8
Surface Type:
Smooth
Weight (lb):
35 lb
Width (in):
14.4 in
Country of Origin:
CN

Manufacturer Warranty:

12 Months

Select a vehicle to narrow ACDelco 18A274A Disc Brake Rotor fitment info!

Last Updated: 04/02/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

1994

 

1994

 
Chevrolet C3500HD

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
Thru VIN # RJ107932
8 Hole Rotor
 

Chevrolet C3500HD



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

Front Silver-Non-Coated
Thru VIN # RJ107932
8 Hole Rotor

2 Per Vehicle

1993

 

1992

 

1993

 

1992

 
Chevrolet C3500HD

6.5L V8 Diesel OHV Turbo
2
 
Front
 
Silver-Non-Coated
8 Hole Rotor
 

Chevrolet C3500HD



6.5L V8 Diesel OHV Turbo

Front Silver-Non-Coated
8 Hole Rotor

2 Per Vehicle

1993

 

1992

 

1991

 

1993

 

1992

 

1991

 
Chevrolet C3500HD

5.7L V8 Gas OHV,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
8 Hole Rotor
 

Chevrolet C3500HD



5.7L V8 Gas OHV,
7.4L V8 Gas OHV

Front Silver-Non-Coated
8 Hole Rotor

2 Per Vehicle

1996

 

1995

 

1994

 

1996

 

1995

 

1994

 
Chevrolet P30

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

Chevrolet P30



6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo

Front Silver-Non-Coated

2 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 
Chevrolet P30

4.3L V6 Gas OHV
2
 
Front
 
Silver-Non-Coated
 

Chevrolet P30



4.3L V6 Gas OHV

Front Silver-Non-Coated

2 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 
Chevrolet P30

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

Chevrolet P30



5.7L V8 Gas OHV,
7.4L V8 Gas OHV

Front Silver-Non-Coated

2 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 
Chevrolet P30

6.2L V8 Diesel OHV
2
 
Front
 
Silver-Non-Coated
 

Chevrolet P30



6.2L V8 Diesel OHV

Front Silver-Non-Coated

2 Per Vehicle

1991

 

1990

 

1991

 

1990

 
Chevrolet P30

3.9L L4 Diesel OHV Turbo
2
 
Front
 
Silver-Non-Coated
 

Chevrolet P30



3.9L L4 Diesel OHV Turbo

Front Silver-Non-Coated

2 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1985

 

1989

 

1988

 

1987

 

1986

 

1985

 
Chevrolet P30

4.8L L6 Gas OHV
2
 
Front
 
Silver-Non-Coated
 

Chevrolet P30



4.8L L6 Gas OHV

Front Silver-Non-Coated

2 Per Vehicle

1984

 

1983

 

1982

 

1984

 

1983

 

1982

 
Chevrolet P30

6.2L V8 Diesel OHV
2
 
Front
 
Silver-Non-Coated
Rear Disc
 

Chevrolet P30



6.2L V8 Diesel OHV

Front Silver-Non-Coated
Rear Disc

2 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
Chevrolet P30

4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
Rear Disc
 

Chevrolet P30



4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
7.4L V8 Gas OHV

Front Silver-Non-Coated
Rear Disc

2 Per Vehicle

1979

 

1979

 
Chevrolet P30

4.1L L6 Gas OHV
2
 
Front
 
Silver-Non-Coated
Rear Disc
 

Chevrolet P30



4.1L L6 Gas OHV

Front Silver-Non-Coated
Rear Disc

2 Per Vehicle

1978

 

1977

 

1976

 

1978

 

1977

 

1976

 
Chevrolet P30

4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
with 15in x 4in Rear Drum
with 13.75in x 1.53in Rear Drum
Dana Axle
 

Chevrolet P30



4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
7.4L V8 Gas OHV

Front Silver-Non-Coated
with 15in x 4in Rear Drum
with 13.75in x 1.53in Rear Drum
Dana Axle

2 Per Vehicle

1976

 

1976

 
Chevrolet P30

4.1L L6 Gas OHV,
6.6L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
with 15in x 4in Rear Drum
with 13.75in x 1.53in Rear Drum
Dana Axle
 

Chevrolet P30



4.1L L6 Gas OHV,
6.6L V8 Gas OHV

Front Silver-Non-Coated
with 15in x 4in Rear Drum
with 13.75in x 1.53in Rear Drum
Dana Axle

2 Per Vehicle

1994

 

1994

 
GMC C3500HD

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
To VIN # RJ514539
8 Hole Rotor
 

GMC C3500HD



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

Front Silver-Non-Coated
To VIN # RJ514539
8 Hole Rotor

2 Per Vehicle

1993

 

1992

 

1993

 

1992

 
GMC C3500HD

6.5L V8 Diesel OHV Turbo
2
 
Front
 
Silver-Non-Coated
8 Hole Rotor
 

GMC C3500HD



6.5L V8 Diesel OHV Turbo

Front Silver-Non-Coated
8 Hole Rotor

2 Per Vehicle

1993

 

1992

 

1991

 

1993

 

1992

 

1991

 
GMC C3500HD

5.7L V8 Gas OHV,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
8 Hole Rotor
 

GMC C3500HD



5.7L V8 Gas OHV,
7.4L V8 Gas OHV

Front Silver-Non-Coated
8 Hole Rotor

2 Per Vehicle

1978

 

1977

 

1976

 

1978

 

1977

 

1976

 
GMC P35

4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
with 15in x 4in Rear Drum
with 13.75 IN Diameter Rotor
Dana Axle
 

GMC P35



4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
7.4L V8 Gas OHV

Front Silver-Non-Coated
with 15in x 4in Rear Drum
with 13.75 IN Diameter Rotor
Dana Axle

2 Per Vehicle

1996

 

1995

 

1994

 

1996

 

1995

 

1994

 
GMC P3500

6.5L V8 Diesel OHV
2
 
Front
 
Silver-Non-Coated
Front Disc
Rear Disc
 

GMC P3500



6.5L V8 Diesel OHV

Front Silver-Non-Coated
Front Disc
Rear Disc

2 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 
GMC P3500

4.3L V6 Gas OHV
2
 
Front
 
Silver-Non-Coated
Front Disc
Rear Disc
 

GMC P3500



4.3L V6 Gas OHV

Front Silver-Non-Coated
Front Disc
Rear Disc

2 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC P3500

5.7L V8 Gas OHV,
7.4L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
Front Disc
Rear Disc
 

GMC P3500



5.7L V8 Gas OHV,
7.4L V8 Gas OHV

Front Silver-Non-Coated
Front Disc
Rear Disc

2 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 
GMC P3500

6.2L V8 Diesel OHV
2
 
Front
 
Silver-Non-Coated
Front Disc
Rear Disc
 

GMC P3500



6.2L V8 Diesel OHV

Front Silver-Non-Coated
Front Disc
Rear Disc

2 Per Vehicle

1991

 

1990

 

1991

 

1990

 
GMC P3500

3.9L L4 Diesel OHV Turbo
2
 
Front
 
Silver-Non-Coated
Front Disc
Rear Disc
 

GMC P3500



3.9L L4 Diesel OHV Turbo

Front Silver-Non-Coated
Front Disc
Rear Disc

2 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC P3500

4.8L L6 Gas OHV
2
 
Front
 
Silver-Non-Coated
Front Disc
Rear Disc
 

GMC P3500



4.8L L6 Gas OHV

Front Silver-Non-Coated
Front Disc
Rear Disc

2 Per Vehicle

1987

 

1987

 
GMC P4500

3.4L 6 Diesel Turbo
2
 
Front
 
Silver-Non-Coated
Hat Shaped
Forward Control
8 Hole Rotor
 

GMC P4500



3.4L 6 Diesel Turbo

Front Silver-Non-Coated
Hat Shaped
Forward Control
8 Hole Rotor

2 Per Vehicle

1987

 

1986

 

1985

 

1987

 

1986

 

1985

 
GMC P4500

4.3L V6 Gas OHV
2
 
Front
 
Silver-Non-Coated
Hat Shaped
Forward Control
8 Hole Rotor
 

GMC P4500



4.3L V6 Gas OHV

Front Silver-Non-Coated
Hat Shaped
Forward Control
8 Hole Rotor

2 Per Vehicle

1987

 

1986

 

1985

 

1984

 

1987

 

1986

 

1985

 

1984

 
GMC P4500

4.8L L6 Gas OHV
2
 
Front
 
Silver-Non-Coated
Hat Shaped
Forward Control
8 Hole Rotor
 

GMC P4500



4.8L L6 Gas OHV

Front Silver-Non-Coated
Hat Shaped
Forward Control
8 Hole Rotor

2 Per Vehicle

1985

 

1985

 
GMC P4500

7.0L L6 Diesel
2
 
Front
 
Silver-Non-Coated
Hat Shaped
Forward Control
8 Hole Rotor
 

GMC P4500



7.0L L6 Diesel

Front Silver-Non-Coated
Hat Shaped
Forward Control
8 Hole Rotor

2 Per Vehicle

2003

 

2002

 

2003

 

2002

 
Workhorse FasTrack FT1061

5.7L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN
 

Workhorse FasTrack FT1061



5.7L V8 Gas OHV

Front Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN

2 Per Vehicle

2001

 

2000

 

2001

 

2000

 
Workhorse FasTrack FT1260

5.7L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN
 

Workhorse FasTrack FT1260



5.7L V8 Gas OHV

Front Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN

2 Per Vehicle

2003

 

2002

 

2003

 

2002

 
Workhorse FasTrack FT1261

5.7L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN
 

Workhorse FasTrack FT1261



5.7L V8 Gas OHV

Front Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN

2 Per Vehicle

2001

 

2000

 

2001

 

2000

 
Workhorse FasTrack FT1460

5.7L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN
 

Workhorse FasTrack FT1460



5.7L V8 Gas OHV

Front Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN

2 Per Vehicle

2003

 

2002

 

2003

 

2002

 
Workhorse FasTrack FT1461

5.7L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN
 

Workhorse FasTrack FT1461



5.7L V8 Gas OHV

Front Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN

2 Per Vehicle

2001

 

2000

 

2001

 

2000

 
Workhorse FasTrack FT1600

5.7L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN
 

Workhorse FasTrack FT1600



5.7L V8 Gas OHV

Front Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN

2 Per Vehicle

2003

 

2002

 

2003

 

2002

 
Workhorse FasTrack FT1601

5.7L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN
 

Workhorse FasTrack FT1601



5.7L V8 Gas OHV

Front Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN

2 Per Vehicle

2001

 

2000

 

2001

 

2000

 
Workhorse FasTrack FT1800

5.7L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN
 

Workhorse FasTrack FT1800



5.7L V8 Gas OHV

Front Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN

2 Per Vehicle

2003

 

2002

 

2003

 

2002

 
Workhorse FasTrack FT1801

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN
 

Workhorse FasTrack FT1801



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV

Front Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN

2 Per Vehicle

2003

 

2002

 

2003

 

2002

 
Workhorse FasTrack FT1802

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN
 

Workhorse FasTrack FT1802



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV

Front Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN

2 Per Vehicle

2003

 

2002

 

2003

 

2002

 
Workhorse FasTrack FT931

4.3L V6 Gas OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN
 

Workhorse FasTrack FT931



4.3L V6 Gas OHV

Front Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN

2 Per Vehicle

2000

 

2000

 
Workhorse P30

5.7L V8 Gas OHV
2
 
Front
 
Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN
 

Workhorse P30



5.7L V8 Gas OHV

Front Silver-Non-Coated
without Dual Rear Wheels
with 13in x 2-1/2in Rear Drum
Rotor Diameter 14.25 IN

2 Per Vehicle