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Rear Brake Rotor - ACDelco (18A934SD)
Sale Price$121.00
Outside Diameter325.9<br />12.831
Description : ACDelco Gold (Professional) Performance (Severe Duty) Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. These brake rotors provide reliable vehicle braking power. They feature a thickness variation that helps to minimize pedal pulsation, noise, and help to extend brake pad life. These brake rotors meet the SAE standard for structural integrity with OE matched material, delivering guaranteed performance. Black and gray fusion coating provides corrosion protection. These rotors are uniquely designed for off road vehicles, SUVs, trucks, and fleet trucks. ACDelco Gold (Professional) Performance (Severe Duty) Disc Brake Rotors are ready to be installed right out of the box - no machining required. 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 - www.P65Warnings.ca.gov
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- Return Policy
- Min. 12 Months
- Safe, Secure Checkout
Product Details
Description
ACDelco Gold (Professional) Performance (Severe Duty) Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. These brake rotors provide reliable vehicle braking power. They feature a thickness variation that helps to minimize pedal pulsation, noise, and help to extend brake pad life. These brake rotors meet the SAE standard for structural integrity with OE matched material, delivering guaranteed performance. Black and gray fusion coating provides corrosion protection. These rotors are uniquely designed for off road vehicles, SUVs, trucks, and fleet trucks. ACDelco Gold (Professional) Performance (Severe Duty) Disc Brake Rotors are ready to be installed right out of the box - no machining required. 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 - www.P65Warnings.ca.gov
disc-brake-rotor;rotor;brake-rotor;disc-brake;
disc-brake-rotor;rotor;brake-rotor;disc-brake;
Part Number (MPN)
18A934SD
Brand
SKU
18A934SD
UPC / GTIN
707773905654 / 00707773905654
Condition
New
Other Names
88875215
Position
Rear
Brand
ACDelco Gold
ABS Tone Ring Included
No
Bolt Circle Diameter (in)
6.7
Bolt Circle Diameter (mm)
170
Bolt Hole Quantity
8
Center Bore Diameter (in)
5in
Center Bore Diameter (mm)
127mm
Center Hole Diameter
5<br />127
Construction
Full Cast
Conventional Or Drum-In-Hat Type Rotor
Drum-In-Hat
Disc Finish
Turned
Discard Thickness
1.1<br />27.95
FAQ - Answer 1
No, but it is a good idea to inspect them for wear-out, cracking, leaking etc.
FAQ - Answer 2
No, but it is a good idea to inspect your brake rotors at each tire rotation.
FAQ - Question 1
Do I have to replace all my brake parts when replacing my brake rotors?
FAQ - Question 2
Do I have to replace my brake rotors after a certain amount of time?
Features & Benefits - Bullet 1
Match OE vane configuration for reduced brake wear and optimal cooling
Features & Benefits - Bullet 2
Damped iron metallurgy reduces noise and dissipates heat
Features & Benefits - Bullet 3
Non-directional rotation eliminates the need for unique left and right designations
Features & Benefits - Bullet 4
Mill balanced to reduce vibration
Features & Benefits - Bullet 5
Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Features & Benefits - Bullet 6
Premium aftermarket replacement part
Features & Benefits - Bullet 7
Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
Good Maintenance Practices - Section 1 - Bullet 1
Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
Good Maintenance Practices - Section 1 - Bullet 2
Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Good Maintenance Practices - Section 1 - Bullet 3
Inspect the brake lines for rust, punctures or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
Good Maintenance Practices - Section 1 - Bullet 4
Check the thickness of your brake pads.
Good Maintenance Practices - Section 1 - Header
The following inspections and maintenance procedures can help prevent potential brake problems:
Good Maintenance Practices - Section 2 - Bullet 1
Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - Section 2 - Bullet 2
Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - Section 2 - Bullet 3
Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4
Parking brake adjustments (as needed).
Good Maintenance Practices - Section 2 - Header
The following should be conducted by a qualified technician:
Grade Type
Performance
Hat Finish
Turned
Height (in)
3.9
Height (mm)
98.3
Material
Cast Iron
Mounting Bolt Hole Circle Diameter
5<br />127
Nominal Thickness
1.19<br />30.25
Outside Diameter
325.9<br />12.831
Overall Height
3.878<br />98.5
Overall Rotor Diameter (mm)
325.88mm
Pad Contact Surface Width
1.9<br />47.9
Programming Required
No
Rust Resistant Coating
Yes
Signs of Wear & Troubleshooting - Section 1 - Bullet 1
Visible ridges on rotor surface.
Signs of Wear & Troubleshooting - Section 1 - Bullet 2
Chirping, grinding, or squeaking noises when braking.
Signs of Wear & Troubleshooting - Section 1 - Bullet 3
Difficulty stopping the vehicle.
Signs of Wear & Troubleshooting - Section 1 - Bullet 4
A low or sinking brake pedal.
Signs of Wear & Troubleshooting - Section 1 - Bullet 5
Braking causes the pedal and/or steering wheel to pulsate/vibrate (not to be confused with normal ABS operation.
Signs of Wear & Troubleshooting - Section 1 - Bullet 6
Vehicle pulls to the left or right when brakes are applied.
Signs of Wear & Troubleshooting - Section 1 - Header
Brake rotor signs of wear include:
Slotted
Yes
Solid Or Vented Type Rotor
Vented
Surface Type
Smooth
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|---|---|---|---|
Vehicle #1
Year
Make
Model
Body & Trim
Engine & Transmission
| Brand | Equivalent Part Numbers |
|---|---|
BrandEquivalent Part Numbers
ACDelco
18A934, 18A934A, 18A934AC
ATE
YH145258C
Aimco
54074
Autospecialty
AR8568, AR8571
BENDIX
145258
Bosch
20010310
BrakeBest Select Drum/Rotor
66823RGS
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In stock orders ship within 24 - 48 hours... Check out our Shipping Policy for more details.
Return Policy
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