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1997 GMC W4500 Forward

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ACDelco 18A1661 Disc Brake Rotor
for 1997 GMC W4500 Forward 3.9L L4 Diesel

ACDelco 18A1661 Disc Brake Rotor - 1997 GMC W4500 Forward Image 1
ACDelco 18A1661 Disc Brake Rotor - 1997 GMC W4500 Forward Image 2
ACDelco 18A1661 Disc Brake Rotor - 1997 GMC W4500 Forward Image 3
ACDelco 18A1661 Disc Brake Rotor - 1997 GMC W4500 Forward Image 4
ACDelco 18A1661 Disc Brake Rotor - 1997 GMC W4500 Forward Image 5
ACDelco 18A1661 Disc Brake Rotor - 1997 GMC W4500 Forward Image 6
ACDelco 18A1661 Disc Brake Rotor - 1997 GMC W4500 Forward

ACDelco
Brand:ACDelco
Part Number: 18A1661
UPC: 00707773173411
Weight: 26.8 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

ROTOR F (B)

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):
5.4 in
Bolt Circle Diameter (mm):
136 mm
Bolt Hole Quantity:
12
Center Bore Diameter (in):
4.3in
Center Bore Diameter (mm):
110mm
Center Hole Diameter:
110.05 mm
Center Hole Diameter:
4.332 in.
Construction:
Full Cast
Conventional Or Drum-In-Hat Type Rotor:
Conventional
Disc Brake Rotor Construction:
Vented
Disc Finish:
Turned
Discard Thickness:
1.535 in.
Discard Thickness:
39 mm
Grade Type:
Regular
Hat Finish:
Turned
Height (in):
2.2 in
Height (mm):
55.5 mm
Includes ABS Sensor Ring:
No
Material:
Cast Iron
Max Bolt Hole Diameter (mm):
110.24mm
Mounting Bolt Hole Circle Diameter:
136 mm
Mounting Bolt Hole Circle Diameter:
5.354 in.
Mounting Bolt Hole Diameter:
0.487 in.
Mounting Bolt Hole Diameter:
12.35 mm
Mounting Bolt Hole Quantity:
12
Nominal Thickness:
1.653 in.
Nominal Thickness:
42 mm
Number of Lugs:
12
Outside Diameter:
12.21 in.
Outside Diameter:
310.15 mm
Overall Height:
2.185 in.
Overall Height:
55.5 mm
Overall Rotor Diameter (mm):
310.13mm
Pad Contact Surface Width:
2.5 in.
Pad Contact Surface Width:
64.35 mm
Pitch Circle Diameter (mm):
136mm
Programming Required:
No
Rust Resistant Coating:
Yes
Slotted:
No
Solid Or Vented Type Rotor:
Vented
Stud/Lug Hole Quantity:
12
Surface Type:
Smooth
Thickness (in):
1.653 in
Thickness (mm):
41.986 mm

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 18A1661 Disc Brake Rotor compatibility with your 1997 GMC W4500 Forward...

Last Updated: 05/27/2023

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

1997

 

1997

 
GMC W4500 Forward

3.9L L4 Diesel
2
 
Front
 
Gold-Black Hat
Rotor Diameter 310 MM
Gasoline Engine
From 10/1997
 

GMC W4500 Forward



3.9L L4 Diesel

Front Gold-Black Hat
Rotor Diameter 310 MM
Gasoline Engine
From 10/1997

2 Per Vehicle

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