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ACDelco 172-2440 Disc Brake Caliper Piston

ACDelco 172-2440 Disc Brake Caliper Piston

ACDelco
Brand:ACDelco
Part Number: 172-2440
UPC: 00707773690413
Weight: 0.33 lbs
Condition:New



On Sale:

$13.12

Availability:
7 in Stock
Warehouse: US-12
Quantity:

Product Information

Description:

PISTON-RR BRK C (SLP-1)

GM Genuine Parts Disc Brake Caliper Pistons are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These pistons force the brake pads to close on the disc brake rotor, producing the force necessary to stop the vehicle. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

Specifications:

Boot Included:
No
Color:
Gray
End 1 Outside Diameter:
1.67 in.
End 1 Outside Diameter:
42.48 mm
End 2 Outside Diameter:
1.87 in.
End 2 Outside Diameter:
47.48 mm
Grade Type:
Regular
Height (in):
3.62 in
Inside Diameter:
0.91 in.
Inside Diameter:
23.08 mm
Length:
2.11 in.
Length:
53.5 mm
Piston Bore Diameter:
1.89 in.
Piston Bore Diameter:
48 mm
Programming Required:
No
Weight (lb):
0.33 lb
Width (in):
4.25 in

Features and Benefits:

  • – Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
  • – Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
  • – Check the thickness of your brake pads.
  • – Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
  • – Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
  • – Inspection of the brake hoses for brittleness or cracking.
  • – Inspection of wheel bearings and grease seals.
  • – Parking brake adjustments (as needed).
  • The following inspections and maintenance procedures can help prevent potential brake problems.
  • The following should be conducted by a qualified technician:

Specifications:

Country of Origin:
CA

Select a vehicle to narrow ACDelco 172-2440 Disc Brake Caliper Piston fitment info!

Last Updated: 03/02/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
Eng: LC8
8th VIN Digit: B
Front Disc
Rear Disc
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
Eng: LC8
8th VIN Digit: B
Front Disc
Rear Disc

4 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV
4
 
Rear
 
48MM
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Eng: LC8
8th VIN Digit: B
Front Disc
Rear Disc
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV

Rear 48MM
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Eng: LC8
8th VIN Digit: B
Front Disc
Rear Disc

4 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
 

Chevrolet Silverado 2500 HD



6.0L V8 Flex OHV,
6.0L V8 Gas OHV

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

4 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV
4
 
Rear
 
48MM
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
 

Chevrolet Silverado 2500 HD



6.0L V8 Flex OHV,
6.0L V8 Gas OHV

Rear 48MM
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

4 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

4 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
 

Chevrolet Silverado 2500 HD



6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

4 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

4 Per Vehicle
Chevrolet Silverado 3500 HD

6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Cab & Chassis
2 Doors
 

Chevrolet Silverado 3500 HD



6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Cab & Chassis
2 Doors

4 Per Vehicle
Chevrolet Silverado 3500 HD

6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Cab & Chassis
4 Doors
 

Chevrolet Silverado 3500 HD



6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Cab & Chassis
4 Doors

4 Per Vehicle
Chevrolet Silverado 3500 HD

6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Crew Cab Pickup
4 Doors
 

Chevrolet Silverado 3500 HD



6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Crew Cab Pickup
4 Doors

4 Per Vehicle
Chevrolet Silverado 3500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
 

Chevrolet Silverado 3500 HD



6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

4 Per Vehicle
Chevrolet Silverado 3500 HD

6.0L V8 CNG OHV
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
 

Chevrolet Silverado 3500 HD



6.0L V8 CNG OHV

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

4 Per Vehicle
Chevrolet Silverado 3500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
 

Chevrolet Silverado 3500 HD



6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Rear 48MM
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc

4 Per Vehicle
Chevrolet Suburban 2500

6.0L V8 Flex OHV
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
 

Chevrolet Suburban 2500



6.0L V8 Flex OHV

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

4 Per Vehicle
Chevrolet Suburban 3500 HD

6.0L V8 Flex OHV
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
 

Chevrolet Suburban 3500 HD



6.0L V8 Flex OHV

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

4 Per Vehicle
Chevrolet Suburban 3500 HD

6.0L V8 Gas OHV
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
 

Chevrolet Suburban 3500 HD



6.0L V8 Gas OHV

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

4 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 CNG OHV
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

4 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 CNG OHV,
6.0L V8 Flex OHV
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
Eng: LC8
8th VIN Digit: B
Front Disc
Rear Disc
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV,
6.0L V8 Flex OHV

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
Eng: LC8
8th VIN Digit: B
Front Disc
Rear Disc

4 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 CNG OHV,
6.0L V8 Flex OHV
4
 
Rear
 
48MM
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Eng: LC8
8th VIN Digit: B
Front Disc
Rear Disc
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV,
6.0L V8 Flex OHV

Rear 48MM
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Eng: LC8
8th VIN Digit: B
Front Disc
Rear Disc

4 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
 

GMC Sierra 2500 HD



6.0L V8 Flex OHV,
6.0L V8 Gas OHV

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

4 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV
4
 
Rear
 
48MM
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
 

GMC Sierra 2500 HD



6.0L V8 Flex OHV,
6.0L V8 Gas OHV

Rear 48MM
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),** 10.50 RING GEAR SAGINAW-AMERICAN AXLE **
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

4 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
 

GMC Sierra 2500 HD



6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

4 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 CNG OHV
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

4 Per Vehicle
GMC Sierra 3500 HD

6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Cab & Chassis
2 Doors
 

GMC Sierra 3500 HD



6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Cab & Chassis
2 Doors

4 Per Vehicle
GMC Sierra 3500 HD

6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Cab & Chassis
4 Doors
 

GMC Sierra 3500 HD



6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Cab & Chassis
4 Doors

4 Per Vehicle
GMC Sierra 3500 HD

6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Crew Cab Pickup
4 Doors
 

GMC Sierra 3500 HD



6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Crew Cab Pickup
4 Doors

4 Per Vehicle
GMC Sierra 3500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
 

GMC Sierra 3500 HD



6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

4 Per Vehicle
GMC Sierra 3500 HD

6.0L V8 CNG OHV
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
 

GMC Sierra 3500 HD



6.0L V8 CNG OHV

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

4 Per Vehicle
GMC Sierra 3500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
 

GMC Sierra 3500 HD



6.0L V8 Flex OHV,
6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Rear 48MM
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc

4 Per Vehicle
GMC Yukon XL 2500

6.0L V8 Flex OHV
4
 
Rear
 
48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
 

GMC Yukon XL 2500



6.0L V8 Flex OHV

Rear 48MM
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

4 Per Vehicle