Part Number (MPN)
18FR2668
UPC / GTIN
707773792339 / 00707773792339
Position
Rear Left, Rear Right
Abutment Clips Included
Yes
Anti-Rattle Spring Included
No
Bleeder Thread Diameter
M10x1
Caliper Slides Included
Yes
Disc Brake Caliper Casting Material
Aluminum
FAQ - Answer 1
No, but it is a good idea to inspect them for wear-out, cracking, leaking etc.
FAQ - Answer 2
Yes, ACDelco also offers GM OE disc brake calipers.
FAQ - Answer 3
No, but it is a good idea to inspect them at every tire rotation.
FAQ - Question 1
Do I have to replace all my brake parts when replacing my disc brake calipers?
FAQ - Question 2
Does ACDelco offer other grades of disc brake calipers?
FAQ - Question 3
Do I have to replace my disc brake calipers after a certain amount of time?
Features & Benefits - Bullet 1
Pressure tested to ensure safe and confident braking
Features & Benefits - Bullet 2
Cast iron and aluminum specifications; no extra stress on the brake boosting mounting
Features & Benefits - Bullet 3
Developed without attached brake pads for customization
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).
Good Maintenance Practices - Section 2 - Header
The following should be conducted by a qualified technician:
Mounting Bolt Thread Pitch (mm)
2.000
Mounting Bracket Included
Yes
Mounting Hardware Included
Yes
PADB ID 2223
0.394<br />10
Pad Wear Sensor Included
No
Piston 1 Diameter (in)
1.9
Piston 1 Diameter (mm)
48.3
Signs of Wear & Troubleshooting - Section 1 - Bullet 1
Vehicle pulls to the left or right when brakes are applied.
Signs of Wear & Troubleshooting - Section 1 - Bullet 2
Brake pedal pulsation (not to be confused with normal ABS operation).