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ACDelco 18A2891 Disc Brake Rotor

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ACDelco 18A2891 Disc Brake Rotor

ACDelco
Brand:ACDelco
Part Number: 18A2891
UPC: 00808709101819
Weight: 22.9 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco 18A2891 Disc Brake Rotor for your vehicle. 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):
4.4 in
Bolt Circle Diameter (mm):
112 mm
Bolt Hole Quantity:
5
Center Bore Diameter (in):
2.7in
Center Bore Diameter (mm):
68mm
Center Hole Diameter:
2.677 in.
Center Hole Diameter:
68 mm
Construction:
Full Cast
Conventional Or Drum-In-Hat Type Rotor:
Conventional
Disc Finish:
Turned
Discard Thickness:
1.102 in.
Discard Thickness:
28 mm
Grade Type:
Regular
Hat Finish:
Turned
Height (in):
2.1 in
Height (mm):
52.2 mm
Inside Diameter:
189 mm
Inside Diameter:
7.441 in.
Material:
Cast Iron
Mounting Bolt Hole Circle Diameter:
112 mm
Mounting Bolt Hole Circle Diameter:
4.409 in.
Mounting Bolt Hole Diameter:
0.595 in.
Mounting Bolt Hole Diameter:
15.1 mm
Mounting Bolt Hole Quantity:
5
Nominal Thickness:
1.177 in.
Nominal Thickness:
29.9 mm
Outside Diameter:
12.594 in.
Outside Diameter:
319.9 mm
Overall Height:
2.055 in.
Overall Height:
52.2 mm
Pad Contact Surface Width:
2.6 in.
Pad Contact Surface Width:
65.45 mm
Programming Required:
No
Rust Resistant Coating:
Yes
Slotted:
No
Solid Or Vented Type Rotor:
Vented
Stud/Lug Hole Quantity:
5
Surface Type:
Smooth

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 18A2891 Disc Brake Rotor fitment info!

Last Updated: 04/03/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes
Audi A4

2.0L L4 Gas DOHC Turbo
2
 
Front
 
Gold-Fully Coated
 

Audi A4



2.0L L4 Gas DOHC Turbo

Front Gold-Fully Coated

2 Per Vehicle
Audi A4 Quattro

2.0L L4 Flex DOHC Turbo
2
 
Front
 
Gold-Fully Coated
 

Audi A4 Quattro



2.0L L4 Flex DOHC Turbo

Front Gold-Fully Coated

2 Per Vehicle
Audi A4 Quattro

2.0L L4 Gas DOHC Turbo
2
 
Front
 
Gold-Fully Coated
 

Audi A4 Quattro



2.0L L4 Gas DOHC Turbo

Front Gold-Fully Coated

2 Per Vehicle
Audi A5

2.0L L4 Gas DOHC Turbo
2
 
Front
 
Gold-Fully Coated
 

Audi A5



2.0L L4 Gas DOHC Turbo

Front Gold-Fully Coated

2 Per Vehicle
Audi A5

2.0L L4 Gas DOHC Turbo
2
 
Front
 
Gold-Fully Coated
Rotor Diameter 320 MM
 

Audi A5



2.0L L4 Gas DOHC Turbo

Front Gold-Fully Coated
Rotor Diameter 320 MM

2 Per Vehicle
Audi A5 Quattro

2.0L L4 Flex DOHC Turbo,
2.0L L4 Gas DOHC Turbo
2
 
Front
 
Gold-Fully Coated
 

Audi A5 Quattro



2.0L L4 Flex DOHC Turbo,
2.0L L4 Gas DOHC Turbo

Front Gold-Fully Coated

2 Per Vehicle
Audi A5 Quattro

2.0L L4 Gas DOHC Turbo
2
 
Front
 
Gold-Fully Coated
Rotor Diameter 320 MM
 

Audi A5 Quattro



2.0L L4 Gas DOHC Turbo

Front Gold-Fully Coated
Rotor Diameter 320 MM

2 Per Vehicle
Audi A6

2.0L L4 Gas DOHC Turbo
2
 
Front
 
Gold-Fully Coated
Rotor Diameter 320 MM
 

Audi A6



2.0L L4 Gas DOHC Turbo

Front Gold-Fully Coated
Rotor Diameter 320 MM

2 Per Vehicle
Audi A6 Quattro

2.0L L4 Gas DOHC Turbo
2
 
Front
 
Gold-Fully Coated
Rotor Diameter 320 MM
 

Audi A6 Quattro



2.0L L4 Gas DOHC Turbo

Front Gold-Fully Coated
Rotor Diameter 320 MM

2 Per Vehicle
Audi A6 Quattro

3.0L V6 Gas DOHC Supercharged
2
 
Front
 
Gold-Fully Coated
Rotor Diameter 320 MM
 

Audi A6 Quattro



3.0L V6 Gas DOHC Supercharged

Front Gold-Fully Coated
Rotor Diameter 320 MM

2 Per Vehicle
Audi A7 Quattro

3.0L V6 Gas DOHC Supercharged
2
 
Front
 
Gold-Fully Coated
Rotor Diameter 320 MM
 

Audi A7 Quattro



3.0L V6 Gas DOHC Supercharged

Front Gold-Fully Coated
Rotor Diameter 320 MM

2 Per Vehicle
Audi allroad

2.0L L4 Flex DOHC Turbo
2
 
Front
 
Gold-Fully Coated
 

Audi allroad



2.0L L4 Flex DOHC Turbo

Front Gold-Fully Coated

2 Per Vehicle
Audi Q5

2.0L L4 Gas DOHC Turbo,
3.2L V6 Gas DOHC
2
 
Front
 
Gold-Fully Coated
 

Audi Q5



2.0L L4 Gas DOHC Turbo,
3.2L V6 Gas DOHC

Front Gold-Fully Coated

2 Per Vehicle
Audi Q5

2.0L L4 Gas DOHC Turbo,
3.2L V6 Gas DOHC
2
 
Front
 
Gold-Fully Coated
From 06/20/2011
 

Audi Q5



2.0L L4 Gas DOHC Turbo,
3.2L V6 Gas DOHC

Front Gold-Fully Coated
From 06/20/2011

2 Per Vehicle