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1981 International S1624

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ACDelco 18A643 Disc Brake Rotor
for 1981 International S1624 5.7L V8 Gas

ACDelco 18A643 Disc Brake Rotor - 1981 International S1624 Image 1
ACDelco 18A643 Disc Brake Rotor - 1981 International S1624 Image 2
ACDelco 18A643 Disc Brake Rotor - 1981 International S1624 Image 3
ACDelco 18A643 Disc Brake Rotor - 1981 International S1624 Image 4
ACDelco 18A643 Disc Brake Rotor - 1981 International S1624

ACDelco
Brand:ACDelco
Part Number: 18A643
UPC: 00036666668490
Weight: 40.5 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

BRAKE ROTOR (GSMP)

ACDelco Gold (Professional) Black Hat Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • Premium aftermarket replacement part
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Specifications:

ABS Tone Ring Included:
No
Bolt Circle Diameter (in):
6.8 in
Bolt Circle Diameter (mm):
171.5 mm
Bolt Hole Quantity:
5
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
Disc Brake Rotor Construction:
Vented
Disc Finish:
Turned
Discard Thickness:
1.32 in.
Discard Thickness:
33.55 mm
Grade Type:
Regular
Hat Finish:
Turned
Height (in):
3.5 in
Height (mm):
89 mm
Includes ABS Sensor Ring:
No
Length (in):
16.1 in
Material:
Cast Iron
Max Bolt Hole Diameter (mm):
137.16mm
Mounting Bolt Hole Circle Diameter:
171.45 mm
Mounting Bolt Hole Circle Diameter:
6.75 in.
Mounting Bolt Hole Diameter:
0.779 in.
Mounting Bolt Hole Diameter:
19.8 mm
Mounting Bolt Hole Quantity:
5
Nominal Thickness:
1.44 in.
Nominal Thickness:
36.6 mm
Number of Lugs:
5
Outside Diameter:
15 in.
Outside Diameter:
381 mm
Overall Height:
3.505 in.
Overall Height:
89.05 mm
Overall Rotor Diameter (mm):
381mm
Pad Contact Surface Width:
2.4 in.
Pad Contact Surface Width:
62.1 mm
Pitch Circle Diameter (mm):
171.45mm
Programming Required:
No
Rust Resistant Coating:
Yes
Slotted:
No
Solid Or Vented Type Rotor:
Vented
Stud/Lug Hole Quantity:
5
Surface Type:
Smooth
Thickness (in):
1.44 in
Thickness (mm):
36.576 mm
Weight (lb):
40.5 lb
Width (in):
16.1 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:
US

ACDelco 18A643 Disc Brake Rotor compatibility with your 1981 International S1624...

Last Updated: 03/03/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

1982

 

1981

 

1980

 

1982

 

1981

 

1980

 
International S1624

5.7L V8 Gas
2
 
Front
 
Gold-Black Hat
with 3.50 IN Overall Height
Stepped Hat 5 Hole Rotor
 

International S1624



5.7L V8 Gas

Front Gold-Black Hat
with 3.50 IN Overall Height
Stepped Hat 5 Hole Rotor

2 Per Vehicle

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