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ACDelco 18K2390 Disc Brake Caliper Piston
for 1991 (please select make/model)

ACDelco 18K2390 Disc Brake Caliper Piston - 1991

ACDelco
Brand:ACDelco
Part Number: 18K2390
UPC: 00808709372929
Weight: 1.7 lbs
Condition:New



On Sale:

$20.94

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

Product Information

Description:

Get the ACDelco 18K2390 Disc Brake Caliper Piston for your 1991. Buy now and secure your purchase online!

ACDelco Professional Disc Brake Caliper Piston is a high quality aftermarket replacement component for one or more of the following vehicle systems: brake. This premium aftermarket piston is manufactured to meet or exceed your expectations for fit, form, and function. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • Manufactured to meet expectations for fit, form, and function
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco

Specifications:

Boot Included:
No
Color:
Silver
Grade Type:
Regular
Height (in):
4.2 in
Length:
3 in.
Programming Required:
No
Weight (lb):
1.7 lb
Width (in):
2.5 in
Country of Origin:
CN

Select a vehicle to narrow ACDelco 18K2390 Disc Brake Caliper Piston fitment info!

Last Updated: 04/10/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

1993

 

1992

 

1991

 

1993

 

1992

 

1991

 
Cadillac Commercial Chassis

4.9L V8 Gas OHV
1
 
Front
 
Gold
 

Cadillac Commercial Chassis



4.9L V8 Gas OHV

Front Gold

1 Per Vehicle

1993

 

1992

 

1991

 

1993

 

1992

 

1991

 
Cadillac DeVille

4.9L V8 Gas OHV
1
 
Front
 
Gold
Heavy Duty Brakes
GM Brake Code J55
 

Cadillac DeVille



4.9L V8 Gas OHV

Front Gold
Heavy Duty Brakes
GM Brake Code J55

1 Per Vehicle

1992

 

1991

 

1992

 

1991

 
Cadillac Fleetwood

4.9L V8 Gas OHV
1
 
Front
 
Gold
Heavy Duty Brakes
 

Cadillac Fleetwood



4.9L V8 Gas OHV

Front Gold
Heavy Duty Brakes

1 Per Vehicle

1992

 

1991

 

1992

 

1991

 
Cadillac Fleetwood

4.9L V8 Gas OHV
1
 
Front
 
Gold
Steel
Heavy Duty Brakes
FWD
 

Cadillac Fleetwood



4.9L V8 Gas OHV

Front Gold
Steel
Heavy Duty Brakes
FWD

1 Per Vehicle

1991

 

1991

 
Cadillac Fleetwood

4.9L V8 Gas OHV
1
 
Front
 
Gold
with 11 IN x 2 IN Brakes
Steel
 

Cadillac Fleetwood



4.9L V8 Gas OHV

Front Gold
with 11 IN x 2 IN Brakes
Steel

1 Per Vehicle
Chevrolet Astro

4.3L V6 Gas OHV
1
 
Front
 
Gold
AWD
 

Chevrolet Astro



4.3L V6 Gas OHV

Front Gold
AWD

1 Per Vehicle

1991

 

1990

 

1991

 

1990

 
Chevrolet C1500

7.4L V8 Gas OHV
1
 
Front
 
Gold
2-15/16 Caliper Bore
 

Chevrolet C1500



7.4L V8 Gas OHV

Front Gold
2-15/16 Caliper Bore

1 Per Vehicle

1991

 

1990

 

1991

 

1990

 
Chevrolet C1500

7.4L V8 Gas OHV
1
 
Front
 
Gold
Extended Cab Pickup
 

Chevrolet C1500



7.4L V8 Gas OHV

Front Gold
Extended Cab Pickup

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1991

 

1990

 

1989

 

1988

 
Chevrolet C1500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 
Gold
2-15/16 Caliper Bore
 

Chevrolet C1500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front Gold
2-15/16 Caliper Bore

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1991

 

1990

 

1989

 

1988

 
Chevrolet C1500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 
Gold
Extended Cab Pickup
 

Chevrolet C1500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front Gold
Extended Cab Pickup

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 
Chevrolet C2500

7.4L V8 Gas OHV
1
 
Front
 
Gold
Except 8600 lb. GVW
 

Chevrolet C2500



7.4L V8 Gas OHV

Front Gold
Except 8600 lb. GVW

1 Per Vehicle
Chevrolet C2500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Front
 
Gold
Except 8600 lb. GVW
 

Chevrolet C2500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV

Front Gold
Except 8600 lb. GVW

1 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 
Chevrolet C2500

4.3L V6 Gas OHV
1
 
Front
 
Gold
Except 8600 lb. GVW
 

Chevrolet C2500



4.3L V6 Gas OHV

Front Gold
Except 8600 lb. GVW

1 Per Vehicle

1994

 

1993

 

1992

 

1991

 

1994

 

1993

 

1992

 

1991

 
Chevrolet C2500

7.4L V8 Gas OHV
1
 
Front
 
Gold
7,200 Lb. GVW
 

Chevrolet C2500



7.4L V8 Gas OHV

Front Gold
7,200 Lb. GVW

1 Per Vehicle

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 
Chevrolet C2500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Front
 
Gold
7,200 Lb. GVW
 

Chevrolet C2500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV

Front Gold
7,200 Lb. GVW

1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1993

 

1992

 

1991

 

1990

 

1989

 
Chevrolet C2500

6.2L V8 Diesel OHV
1
 
Front
 
Gold
7,200 Lb. GVW
 

Chevrolet C2500



6.2L V8 Diesel OHV

Front Gold
7,200 Lb. GVW

1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1993

 

1992

 

1991

 

1990

 

1989

 
Chevrolet C2500

6.2L V8 Diesel OHV
1
 
Front
 
Gold
Except 8600 lb. GVW
 

Chevrolet C2500



6.2L V8 Diesel OHV

Front Gold
Except 8600 lb. GVW

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1991

 

1990

 

1989

 

1988

 
Chevrolet K1500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 
Gold
2-15/16 Caliper Bore
 

Chevrolet K1500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front Gold
2-15/16 Caliper Bore

1 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
1
 
Front
 
Gold
w/ 7200 lb. G.V.W.
w/ 6 Lug Wheels
 

Chevrolet K2500



7.4L V8 Gas OHV

Front Gold
w/ 7200 lb. G.V.W.
w/ 6 Lug Wheels

1 Per Vehicle
Chevrolet K2500

5.7L V8 Gas OHV
1
 
Front
 
Gold
w/ 7200 lb. G.V.W.
w/ 6 Lug Wheels
 

Chevrolet K2500



5.7L V8 Gas OHV

Front Gold
w/ 7200 lb. G.V.W.
w/ 6 Lug Wheels

1 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
1
 
Front
 
Gold
w/ 7200 lb. G.V.W.
w/ 6 Lug Wheels
 

Chevrolet K2500



5.0L V8 Gas OHV

Front Gold
w/ 7200 lb. G.V.W.
w/ 6 Lug Wheels

1 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
1
 
Front
 
Gold
w/ 7200 lb. G.V.W.
w/ 6 Lug Wheels
 

Chevrolet K2500



4.3L V6 Gas OHV

Front Gold
w/ 7200 lb. G.V.W.
w/ 6 Lug Wheels

1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
Chevrolet K2500

6.2L V8 Diesel OHV
1
 
Front
 
Gold
w/ 7200 lb. G.V.W.
w/ 6 Lug Wheels
 

Chevrolet K2500



6.2L V8 Diesel OHV

Front Gold
w/ 7200 lb. G.V.W.
w/ 6 Lug Wheels

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1991

 

1990

 

1989

 

1988

 
GMC C1500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 
Gold
2-15/16 Caliper Bore
 

GMC C1500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front Gold
2-15/16 Caliper Bore

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 
GMC C2500

7.4L V8 Gas OHV
1
 
Front
 
Gold
Except 8600 lb. GVW
 

GMC C2500



7.4L V8 Gas OHV

Front Gold
Except 8600 lb. GVW

1 Per Vehicle
GMC C2500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Front
 
Gold
Except 8600 lb. GVW
 

GMC C2500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV

Front Gold
Except 8600 lb. GVW

1 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 
GMC C2500

4.3L V6 Gas OHV
1
 
Front
 
Gold
Except 8600 lb. GVW
 

GMC C2500



4.3L V6 Gas OHV

Front Gold
Except 8600 lb. GVW

1 Per Vehicle

1994

 

1993

 

1992

 

1991

 

1994

 

1993

 

1992

 

1991

 
GMC C2500

7.4L V8 Gas OHV
1
 
Front
 
Gold
7,200 Lb. GVW
 

GMC C2500



7.4L V8 Gas OHV

Front Gold
7,200 Lb. GVW

1 Per Vehicle

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 
GMC C2500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Front
 
Gold
7,200 Lb. GVW
 

GMC C2500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV

Front Gold
7,200 Lb. GVW

1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1993

 

1992

 

1991

 

1990

 

1989

 
GMC C2500

6.2L V8 Diesel OHV
1
 
Front
 
Gold
7,200 Lb. GVW
 

GMC C2500



6.2L V8 Diesel OHV

Front Gold
7,200 Lb. GVW

1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1993

 

1992

 

1991

 

1990

 

1989

 
GMC C2500

6.2L V8 Diesel OHV
1
 
Front
 
Gold
Except 8600 lb. GVW
 

GMC C2500



6.2L V8 Diesel OHV

Front Gold
Except 8600 lb. GVW

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1991

 

1990

 

1989

 

1988

 
GMC K1500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
Front
 
Gold
2-15/16 Caliper Bore
 

GMC K1500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV

Front Gold
2-15/16 Caliper Bore

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 
GMC K2500

7.4L V8 Gas OHV
1
 
Front
 
Gold
Except 8600 lb. GVW
 

GMC K2500



7.4L V8 Gas OHV

Front Gold
Except 8600 lb. GVW

1 Per Vehicle
GMC K2500

5.7L V8 Gas OHV
1
 
Front
 
Gold
Except 8600 lb. GVW
 

GMC K2500



5.7L V8 Gas OHV

Front Gold
Except 8600 lb. GVW

1 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1995

 

1994

 

1993

 

1992

 

1991

 
GMC K2500

7.4L V8 Gas OHV
1
 
Front
 
Gold
7,200 Lb. GVW
 

GMC K2500



7.4L V8 Gas OHV

Front Gold
7,200 Lb. GVW

1 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 
GMC K2500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Front
 
Gold
Except 8600 lb. GVW
 

GMC K2500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV

Front Gold
Except 8600 lb. GVW

1 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 
GMC K2500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Front
 
Gold
7,200 Lb. GVW
 

GMC K2500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV

Front Gold
7,200 Lb. GVW

1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1993

 

1992

 

1991

 

1990

 

1989

 
GMC K2500

6.2L V8 Diesel OHV
1
 
Front
 
Gold
7,200 Lb. GVW
 

GMC K2500



6.2L V8 Diesel OHV

Front Gold
7,200 Lb. GVW

1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1993

 

1992

 

1991

 

1990

 

1989

 
GMC K2500

6.2L V8 Diesel OHV
1
 
Front
 
Gold
Except 8600 lb. GVW
 

GMC K2500



6.2L V8 Diesel OHV

Front Gold
Except 8600 lb. GVW

1 Per Vehicle
GMC Safari

4.3L V6 Gas OHV
1
 
Front
 
Gold
AWD
 

GMC Safari



4.3L V6 Gas OHV

Front Gold
AWD

1 Per Vehicle

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