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2009 Workhorse W20

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ACDelco 18A1839 Disc Brake Rotor
for 2009 Workhorse W20 8.1L V8 Gas OHV

ACDelco 18A1839 Disc Brake Rotor - 2009 Workhorse W20 Image 1
ACDelco 18A1839 Disc Brake Rotor - 2009 Workhorse W20 Image 2
ACDelco 18A1839 Disc Brake Rotor - 2009 Workhorse W20 Image 3
ACDelco 18A1839 Disc Brake Rotor - 2009 Workhorse W20 Image 4
ACDelco 18A1839 Disc Brake Rotor - 2009 Workhorse W20

ACDelco
Brand:ACDelco
Part Number: 18A1839
UPC: 00707773421000
Weight: 38.4 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco 18A1839 Disc Brake Rotor for your 2009 Workhorse W20. Buy now and secure your purchase online!

ACDelco Gold (Professional) Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. They feature a thickness variation that is less than 0.0004 to minimize pedal pulsation, noise, and help to extend brake pad life. These rotors meet the SAE standard for structural integrity with OE matched G3000 qualified material delivering guaranteed performance. Also, no machining is required. ACDelco Gold (Professional) Disc Brake Rotors are ready to be installed right out of the box. 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:

  • 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
  • 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):
7.3 in
Bolt Circle Diameter (mm):
184.2 mm
Bolt Hole Quantity:
10
Center Bore Diameter (in):
6in
Center Bore Diameter (mm):
152.5mm
Center Hole Diameter:
152.4 mm
Center Hole Diameter:
6 in.
Construction:
Full Cast
Conventional Or Drum-In-Hat Type Rotor:
Conventional
Directional or Non-Directional Brake Surface:
No Degrees Celsius, Centigrade
Disc Finish:
Turned
Discard Thickness:
1.32 in.
Discard Thickness:
33.55 mm
Grade Type:
Regular
Hat Finish:
Turned
Height (in):
4.4 in
Height (mm):
112.8 mm
Length (in):
16.1 in
Material:
Cast Iron
Mounting Bolt Hole Circle Diameter:
184.15 mm
Mounting Bolt Hole Circle Diameter:
7.25 in.
Mounting Bolt Hole Diameter:
0.595 in.
Mounting Bolt Hole Diameter:
15.1 mm
Mounting Bolt Hole Quantity:
10
Nominal Thickness:
1.44 in.
Nominal Thickness:
36.6 mm
Outside Diameter:
15 in.
Outside Diameter:
381 mm
Overall Height:
112.8 mm
Overall Height:
4.44 in.
Overall Rotor Diameter (mm):
381mm
Pad Contact Surface Width:
2.4 in.
Pad Contact Surface Width:
62 mm
Programming Required:
No
Rust Resistant Coating:
Yes
Slotted:
No
Solid Or Vented Type Rotor:
Vented
Stud/Lug Hole Quantity:
10
Surface Type:
Smooth
Weight (lb):
38.4 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:
CN

ACDelco 18A1839 Disc Brake Rotor compatibility with your 2009 Workhorse W20...

Last Updated: 02/29/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
Workhorse W20

8.1L V8 Gas OHV
2
 
Front
 
Gold-Fully Coated
with 4.44 IN Overall Height
Hat Shaped 10 Hole Rotor
 

Workhorse W20



8.1L V8 Gas OHV

Front Gold-Fully Coated
with 4.44 IN Overall Height
Hat Shaped 10 Hole Rotor

2 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
Workhorse W20

8.1L V8 Gas OHV
2
 
Rear
 
Gold-Fully Coated
with 4.44 IN Overall Height
Hat Shaped 10 Hole Rotor
 

Workhorse W20



8.1L V8 Gas OHV

Rear Gold-Fully Coated
with 4.44 IN Overall Height
Hat Shaped 10 Hole Rotor

2 Per Vehicle

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