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1991 International 4900

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ACDelco 18A643 Disc Brake Rotor
for 1991 International 4900

ACDelco 18A643 Disc Brake Rotor - 1991 International 4900 Image 1
ACDelco 18A643 Disc Brake Rotor - 1991 International 4900 Image 2
ACDelco 18A643 Disc Brake Rotor - 1991 International 4900 Image 3
ACDelco 18A643 Disc Brake Rotor - 1991 International 4900 Image 4
ACDelco 18A643 Disc Brake Rotor - 1991 International 4900

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



On Sale:

$146.86

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

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 1991 International 4900...

Last Updated: 03/03/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 
International 4900

7.6L L6 Diesel Turbo
2
 
Front
 
Gold-Black Hat
Stepped Hat 5 Hole Rotor
Non-ABS
 

International 4900



7.6L L6 Diesel Turbo

Front Gold-Black Hat
Stepped Hat 5 Hole Rotor
Non-ABS

2 Per Vehicle

1994

 

1993

 

1992

 

1991

 

1994

 

1993

 

1992

 

1991

 
International 4900

5.9L L6 Diesel Turbo
2
 
Front
 
Gold-Black Hat
Stepped Hat 5 Hole Rotor
Non-ABS
 

International 4900



5.9L L6 Diesel Turbo

Front Gold-Black Hat
Stepped Hat 5 Hole Rotor
Non-ABS

2 Per Vehicle

1992

 

1991

 

1990

 

1992

 

1991

 

1990

 
International 4900

14.0L L6 Diesel Turbo,
14.6L L6 Diesel Turbo
2
 
Front
 
Gold-Black Hat
Stepped Hat 5 Hole Rotor
Non-ABS
 

International 4900



14.0L L6 Diesel Turbo,
14.6L L6 Diesel Turbo

Front Gold-Black Hat
Stepped Hat 5 Hole Rotor
Non-ABS

2 Per Vehicle

1991

 

1991

 
International 4900

10.0L L6 Diesel Turbo,
7.3L V8 Diesel Turbo
2
 
Front
 
Gold-Black Hat
Stepped Hat 5 Hole Rotor
Non-ABS
 

International 4900



10.0L L6 Diesel Turbo,
7.3L V8 Diesel Turbo

Front Gold-Black Hat
Stepped Hat 5 Hole Rotor
Non-ABS

2 Per Vehicle

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