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ACDelco 18B7831 Brake Drum

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ACDelco 18B7831 Brake Drum

ACDelco
Brand:ACDelco
Part Number: 18B7831
UPC: 00193468165388
Weight: 49.8 lbs
Condition:New



On Sale:

$198.83

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

Product Information

Description:

Get the ACDelco 18B7831 Brake Drum for your vehicle. Buy now and secure your purchase online!

ACDelco Professional Brake Drums are constructed with G3000 SAE qualified material for structural integrity and maximum service life. They are tested to ISO/TS 16949 quality system standards and validated for balance to provide better braking performance. Chamfer angle, vane configuration, and plate thickness all follow the OE design, making them a premium aftermarket replacement for your GM and non-GM vehicle. Also, no machining is required. ACDelco Professional Brake Drums are ready to be installed right out of the box. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • Follows original manufacturers' designs for dispersing heat, helping to prolong pad and rotor life while reducing noise and vibration
  • Independently tested with Noise/Vibration/Harshness (NVH) and durability/wear testing; resulting in high quality and reliable products
  • Inspected for balance; resulting in smooth brake operation and noise reduction

Specifications:

ABS Tone Ring Included:
No
Bolt Hole Quantity:
6
Bolt Thread Pitch (in):
0.886 in
Bolt Thread Pitch:
22.5 mm
Depth:
3.626 in.
Depth:
92.1 mm
Height (in):
7.44 in
Length (in):
15.51 in
Material:
Steel
Maximum Brake Diameter (Discard):
12.657 in.
Maximum Brake Diameter (Discard):
321.5 mm
Nominal Drum Diameter:
12.598 in.
Nominal Drum Diameter:
320 mm
Outer Cooling Fins:
No
Outside Diameter:
14.567 in.
Outside Diameter:
370 mm
Programming Required:
No
Stud/Lug Hole Diameter:
0.886 in.
Stud/Lug Hole Diameter:
22.5 mm
Stud/Lug Hole Quantity:
6
Weight:
49.8 lb
Width (in):
14.88 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:
CN

Select a vehicle to narrow ACDelco 18B7831 Brake Drum fitment info!

Last Updated: 05/06/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes
Chevrolet W3500 Tiltmaster

5.2L L4 Diesel Turbo
2
 
Rear
 
Professional
320mm X 75mm Rear Brakes
 

Chevrolet W3500 Tiltmaster



5.2L L4 Diesel Turbo

Rear Professional
320mm X 75mm Rear Brakes

2 Per Vehicle
Chevrolet W3500 Tiltmaster

4.8L L4 Diesel Turbo
2
 
Rear
 
Professional
320mm X 75mm Rear Brakes
 

Chevrolet W3500 Tiltmaster



4.8L L4 Diesel Turbo

Rear Professional
320mm X 75mm Rear Brakes

2 Per Vehicle
Chevrolet W3500 Tiltmaster

5.7L V8 Gas OHV
2
 
Rear
 
Professional
 

Chevrolet W3500 Tiltmaster



5.7L V8 Gas OHV

Rear Professional

2 Per Vehicle
Chevrolet W3500 Tiltmaster

3.9L L4 Diesel
2
 
Rear
 
Professional
320mm X 75mm Rear Brakes
 

Chevrolet W3500 Tiltmaster



3.9L L4 Diesel

Rear Professional
320mm X 75mm Rear Brakes

2 Per Vehicle
Chevrolet W4500 Tiltmaster

3.9L L4 Diesel,
5.7L V8 Gas OHV
2
 
Rear
 
Professional
320mm X 75mm Rear Brakes
 

Chevrolet W4500 Tiltmaster



3.9L L4 Diesel,
5.7L V8 Gas OHV

Rear Professional
320mm X 75mm Rear Brakes

2 Per Vehicle
Chevrolet W4500 Tiltmaster

3.9L L4 Diesel,
5.7L V8 Gas OHV
2
 
Rear
 
Professional
From 09/1994
320mm X 75mm Rear Brakes
 

Chevrolet W4500 Tiltmaster



3.9L L4 Diesel,
5.7L V8 Gas OHV

Rear Professional
From 09/1994
320mm X 75mm Rear Brakes

2 Per Vehicle
Chevrolet W4500 Tiltmaster

3.9L L4 Diesel,
5.7L V8 Gas OHV
2
 
Rear
 
Professional
w/ 11,000 lb. GVW
To 8/94
 

Chevrolet W4500 Tiltmaster



3.9L L4 Diesel,
5.7L V8 Gas OHV

Rear Professional
w/ 11,000 lb. GVW
To 8/94

2 Per Vehicle
Chevrolet W4500 Tiltmaster

5.7L V8 Gas OHV
2
 
Front
 
Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Brakes
 

Chevrolet W4500 Tiltmaster



5.7L V8 Gas OHV

Front Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Brakes

2 Per Vehicle
Chevrolet W4500 Tiltmaster

5.7L V8 Gas OHV
2
 
Rear
 
Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Rear Brakes
 

Chevrolet W4500 Tiltmaster



5.7L V8 Gas OHV

Rear Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Rear Brakes

2 Per Vehicle
Chevrolet W4500 Tiltmaster

3.9L L4 Diesel
2
 
Front
 
Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Brakes
 

Chevrolet W4500 Tiltmaster



3.9L L4 Diesel

Front Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Brakes

2 Per Vehicle
Chevrolet W4500 Tiltmaster

3.9L L4 Diesel
2
 
Rear
 
Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Rear Brakes
 

Chevrolet W4500 Tiltmaster



3.9L L4 Diesel

Rear Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Rear Brakes

2 Per Vehicle
Chevrolet W4500 Tiltmaster

3.9L L4 Diesel Turbo
2
 
Front
 
Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Brakes
 

Chevrolet W4500 Tiltmaster



3.9L L4 Diesel Turbo

Front Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Brakes

2 Per Vehicle
Chevrolet W4500 Tiltmaster

3.9L L4 Diesel Turbo
2
 
Rear
 
Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Rear Brakes
 

Chevrolet W4500 Tiltmaster



3.9L L4 Diesel Turbo

Rear Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Rear Brakes

2 Per Vehicle
Chevrolet W4500 Tiltmaster

3.9L L4 Diesel Turbo
2
 
Front
 
Professional
 

Chevrolet W4500 Tiltmaster



3.9L L4 Diesel Turbo

Front Professional

2 Per Vehicle
Chevrolet W4500 Tiltmaster

3.9L L4 Diesel Turbo
2
 
Rear
 
Professional
 

Chevrolet W4500 Tiltmaster



3.9L L4 Diesel Turbo

Rear Professional

2 Per Vehicle
GMC W3500 Forward

5.2L L4 Diesel Turbo
2
 
Rear
 
Professional
320mm X 75mm Rear Brakes
 

GMC W3500 Forward



5.2L L4 Diesel Turbo

Rear Professional
320mm X 75mm Rear Brakes

2 Per Vehicle
GMC W3500 Forward

4.8L L4 Diesel Turbo
2
 
Rear
 
Professional
320mm X 75mm Rear Brakes
 

GMC W3500 Forward



4.8L L4 Diesel Turbo

Rear Professional
320mm X 75mm Rear Brakes

2 Per Vehicle
GMC W3500 Forward

5.7L V8 Gas OHV
2
 
Rear
 
Professional
 

GMC W3500 Forward



5.7L V8 Gas OHV

Rear Professional

2 Per Vehicle
GMC W3500 Forward

3.9L L4 Diesel
2
 
Rear
 
Professional
320mm X 75mm Rear Brakes
 

GMC W3500 Forward



3.9L L4 Diesel

Rear Professional
320mm X 75mm Rear Brakes

2 Per Vehicle
GMC W4500 Forward

3.9L L4 Diesel
2
 
Rear
 
Professional
To 09/1997
Gasoline Engine
320mm X 75mm Rear Brakes
 

GMC W4500 Forward



3.9L L4 Diesel

Rear Professional
To 09/1997
Gasoline Engine
320mm X 75mm Rear Brakes

2 Per Vehicle
GMC W4500 Forward

3.9L L4 Diesel
2
 
Rear
 
Professional
To 12/1997
320mm X 75mm Rear Brakes
 

GMC W4500 Forward



3.9L L4 Diesel

Rear Professional
To 12/1997
320mm X 75mm Rear Brakes

2 Per Vehicle
GMC W4500 Forward

3.9L L4 Diesel
2
 
Rear
 
Professional
320mm X 75mm Rear Brakes
 

GMC W4500 Forward



3.9L L4 Diesel

Rear Professional
320mm X 75mm Rear Brakes

2 Per Vehicle
GMC W4500 Forward

3.9L L4 Diesel
2
 
Rear
 
Professional
From 09/1994
320mm X 75mm Rear Brakes
 

GMC W4500 Forward



3.9L L4 Diesel

Rear Professional
From 09/1994
320mm X 75mm Rear Brakes

2 Per Vehicle
GMC W4500 Forward

3.9L L4 Diesel
2
 
Rear
 
Professional
w/ 11,000 lb. GVW
To 8/94
 

GMC W4500 Forward



3.9L L4 Diesel

Rear Professional
w/ 11,000 lb. GVW
To 8/94

2 Per Vehicle
GMC W4500 Forward

3.9L L4 Diesel
2
 
Front
 
Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Brakes
 

GMC W4500 Forward



3.9L L4 Diesel

Front Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Brakes

2 Per Vehicle
GMC W4500 Forward

3.9L L4 Diesel
2
 
Rear
 
Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
 

GMC W4500 Forward



3.9L L4 Diesel

Rear Professional
w/ 11,000 lb. GVW
Except Flat Low Profile

2 Per Vehicle
Isuzu NPR

3.0L L4 Diesel Turbo
2
 
Rear
 
Professional
320mm X 75mm Rear Brakes
 

Isuzu NPR



3.0L L4 Diesel Turbo

Rear Professional
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

6.0L V8 Gas OHV
2
 
Rear
 
Professional
Applies to Diesel Fuel Systems Only
320mm X 75mm Rear Brakes
 

Isuzu NPR



6.0L V8 Gas OHV

Rear Professional
Applies to Diesel Fuel Systems Only
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

5.2L L4 Diesel Turbo
2
 
Rear
 
Professional
320mm X 75mm Rear Brakes
 

Isuzu NPR



5.2L L4 Diesel Turbo

Rear Professional
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

4.8L L4 Diesel Turbo
2
 
Rear
 
Professional
320mm X 75mm Rear Brakes
 

Isuzu NPR



4.8L L4 Diesel Turbo

Rear Professional
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

5.7L V8 Gas OHV
2
 
Rear
 
Professional
To 06/01
320mm X 75mm Brakes
 

Isuzu NPR



5.7L V8 Gas OHV

Rear Professional
To 06/01
320mm X 75mm Brakes

2 Per Vehicle
Isuzu NPR

4.8L L4 Diesel Turbo
2
 
Rear
 
Professional
320mm X 75mm Brakes
 

Isuzu NPR



4.8L L4 Diesel Turbo

Rear Professional
320mm X 75mm Brakes

2 Per Vehicle
Isuzu NPR

5.7L V8 Gas OHV
2
 
Rear
 
Professional
320mm X 75mm Brakes
 

Isuzu NPR



5.7L V8 Gas OHV

Rear Professional
320mm X 75mm Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel
2
 
Rear
 
Professional
320mm X 75mm Brakes
 

Isuzu NPR



3.9L L4 Diesel

Rear Professional
320mm X 75mm Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel
2
 
Rear
 
Professional
To 12/1997
Except 14,250 lb. GVW
320mm X 75mm Rear Brakes
 

Isuzu NPR



3.9L L4 Diesel

Rear Professional
To 12/1997
Except 14,250 lb. GVW
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

5.7L V8 Gas OHV
2
 
Rear
 
Professional
From 10/1997
320mm X 75mm Rear Brakes
 

Isuzu NPR



5.7L V8 Gas OHV

Rear Professional
From 10/1997
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

5.7L V8 Gas OHV
2
 
Rear
 
Professional
To 09/97
Except with 13,250lbs GVW
320mm X 75mm Rear Brakes
 

Isuzu NPR



5.7L V8 Gas OHV

Rear Professional
To 09/97
Except with 13,250lbs GVW
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

5.7L V8 Gas OHV
2
 
Rear
 
Professional
Except with 13,250lbs GVW
320mm X 75mm Rear Brakes
 

Isuzu NPR



5.7L V8 Gas OHV

Rear Professional
Except with 13,250lbs GVW
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel
2
 
Rear
 
Professional
Except 14,250 lb. GVW
320mm X 75mm Rear Brakes
 

Isuzu NPR



3.9L L4 Diesel

Rear Professional
Except 14,250 lb. GVW
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

5.7L V8 Gas
2
 
Rear
 
Professional
Except with 13,250lbs GVW
320mm X 75mm Rear Brakes
 

Isuzu NPR



5.7L V8 Gas

Rear Professional
Except with 13,250lbs GVW
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel
2
 
Rear
 
Professional
From 09/1994
Except 14,250 lb. GVW
300mm X 75mm Brakes
 

Isuzu NPR



3.9L L4 Diesel

Rear Professional
From 09/1994
Except 14,250 lb. GVW
300mm X 75mm Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel,
5.7L V8 Gas
2
 
Rear
 
Professional
w/ 11,000 lb. GVW
To 8/94
320mm X 75mm Rear Brakes
 

Isuzu NPR



3.9L L4 Diesel,
5.7L V8 Gas

Rear Professional
w/ 11,000 lb. GVW
To 8/94
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

5.7L V8 Gas
2
 
Rear
 
Professional
From 09/1994
Except with 13,250lbs GVW
320mm X 75mm Rear Brakes
 

Isuzu NPR



5.7L V8 Gas

Rear Professional
From 09/1994
Except with 13,250lbs GVW
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel,
5.7L V8 Gas
2
 
Front
 
Professional
w/ 13,000 lb. GVW
w/ 11,000 lb. GVW
To 11/93
Front Drum Brakes
320mm X 75mm Brakes
 

Isuzu NPR



3.9L L4 Diesel,
5.7L V8 Gas

Front Professional
w/ 13,000 lb. GVW
w/ 11,000 lb. GVW
To 11/93
Front Drum Brakes
320mm X 75mm Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel,
5.7L V8 Gas
2
 
Rear
 
Professional
w/ 11,000 lb. GVW
From 12/1993
320mm X 75mm Rear Brakes
 

Isuzu NPR



3.9L L4 Diesel,
5.7L V8 Gas

Rear Professional
w/ 11,000 lb. GVW
From 12/1993
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel,
5.7L V8 Gas
2
 
Rear
 
Professional
w/ 11,000 lb. GVW
To 11/93
Except Flat Low Profile
320mm X 75mm Rear Brakes
 

Isuzu NPR



3.9L L4 Diesel,
5.7L V8 Gas

Rear Professional
w/ 11,000 lb. GVW
To 11/93
Except Flat Low Profile
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel,
5.7L V8 Gas
2
 
Front
 
Professional
w/ 13,000 lb. GVW
w/ 11,000 lb. GVW
Front Drum Brakes
320mm X 75mm Brakes
 

Isuzu NPR



3.9L L4 Diesel,
5.7L V8 Gas

Front Professional
w/ 13,000 lb. GVW
w/ 11,000 lb. GVW
Front Drum Brakes
320mm X 75mm Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel,
5.7L V8 Gas
2
 
Rear
 
Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Rear Brakes
 

Isuzu NPR



3.9L L4 Diesel,
5.7L V8 Gas

Rear Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel Turbo
2
 
Front
 
Professional
w/ 13,000 lb. GVW
w/ 11,000 lb. GVW
Front Drum Brakes
From 01/1991
320mm X 75mm Brakes
 

Isuzu NPR



3.9L L4 Diesel Turbo

Front Professional
w/ 13,000 lb. GVW
w/ 11,000 lb. GVW
Front Drum Brakes
From 01/1991
320mm X 75mm Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel Turbo
2
 
Rear
 
Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Rear Brakes
 

Isuzu NPR



3.9L L4 Diesel Turbo

Rear Professional
w/ 11,000 lb. GVW
Except Flat Low Profile
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel Turbo
2
 
Front
 
Professional
To 12/90
Front Drum Brakes
320mm X 75mm Brakes
 

Isuzu NPR



3.9L L4 Diesel Turbo

Front Professional
To 12/90
Front Drum Brakes
320mm X 75mm Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel Turbo
2
 
Front
 
Professional
Front Drum Brakes
320mm X 75mm Brakes
 

Isuzu NPR



3.9L L4 Diesel Turbo

Front Professional
Front Drum Brakes
320mm X 75mm Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel Turbo
2
 
Rear
 
Professional
To 8/88
320mm X 75mm Brakes
 

Isuzu NPR



3.9L L4 Diesel Turbo

Rear Professional
To 8/88
320mm X 75mm Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel Turbo
2
 
Rear
 
Professional
w/ 11,000 lb. GVW
From 09/1988
Except Flat Low Profile
320mm X 75mm Rear Brakes
 

Isuzu NPR



3.9L L4 Diesel Turbo

Rear Professional
w/ 11,000 lb. GVW
From 09/1988
Except Flat Low Profile
320mm X 75mm Rear Brakes

2 Per Vehicle
Isuzu NPR

3.9L L4 Diesel Turbo
2
 
Rear
 
Professional
320mm X 75mm Brakes
 

Isuzu NPR



3.9L L4 Diesel Turbo

Rear Professional
320mm X 75mm Brakes

2 Per Vehicle
Isuzu Reach

3.0L L4 Diesel Turbo
2
 
Rear
 
Professional
 

Isuzu Reach



3.0L L4 Diesel Turbo

Rear Professional

2 Per Vehicle