Check if this fits your car first
We can’t guarantee fitment or accept fitment returns without a vehicle selected.
Year
Make
Model
Trim
Engine
Check if this fits your vehicle
Select your vehicle details below
Select Year
Select Make
Select Model
Or call us at 888-477-2530 — we’ll help you out.
Check if this fitsShop worry-free by verifying fitment first. If the part doesn't fit, we'll make it right or refund you. Learn more
Main Image
Click to expand
Fully Coated Rear Disc Brake Rotor
Authorized Dealer
Special Offer
Buy 2, Get 5% Off
2 for $0.00•Save $0.00
Fully Coated Rear Disc Brake Rotor
BrandGM Genuine PartsLearn More
PositionRear
Qty/Vehicle2
ConditionNew
Includes: (1) Disc Brake Rotor, Hardware
$000
•In Stock•Fast Shipping1
Estimated Delivery by calculating...
Calculating shipping time...
Ships to
Product Specifications
Features & Benefits
- •Direct OE fit - no modifications needed
- •Meets or exceeds manufacturer specs
- •24-month warranty included
- •Fast Shipping — ships same day before 3 PM ET
BrandGM Genuine Parts
Part Number18A82119
Part TypeDisc Brake Rotor
ConditionNew
Qty Per Vehicle2
Abs Tone Ring IncludedNo
Compatibility
Vehicle Compatibility
Guaranteed to fit 0 vehicles from Infinity--Infinity
No compatibility data available
Frequently Asked Questions
We're always here to help. If you can't find your answer, ask Rydon - our AI assistant will help you out.
What vehicles does this Disc Brake Rotor fit?
This GM Genuine Parts Disc Brake Rotor (Part #18A82119) fits specific vehicles. Use the compatibility checker on this page to verify fitment for your vehicle.
Is this an OEM or aftermarket part?
This is a premium aftermarket Disc Brake Rotor by GM Genuine Parts, designed to meet or exceed OEM specifications with strict quality control standards.
What warranty is included?
This GM Genuine Parts Disc Brake Rotor is backed by a 24-month limited warranty covering defects in materials and workmanship from date of purchase.
How long does shipping take?
Fast shipping — orders before 3 PM ET ship the same day. Most arrive within 3-5 business days.
Can I return this if it does not fit?
30-day money-back guarantee. Return unused parts in original packaging for full refund.
Compatibility
Vehicle Compatibility
Guaranteed to fit 0 vehicles from Infinity--Infinity
No compatibility data available
Product Specifications
Brand
GM Genuine Parts
Part Type
Disc Brake Rotor
Bolt Circle Diameter (In)
4.409 in
Bolt Hole Diameter (In)
0.6 in
Part Number
18A82119
Abs Tone Ring Included
No
Bolt Circle Diameter (Mm)
112 mm
Bolt Hole Diameter (Mm)
15.25 mm
Abs Tone Ring IncludedNo
Bolt Circle Diameter (In)4.409 in
Bolt Circle Diameter (Mm)112 mm
Bolt Hole Diameter (In)0.6 in
Bolt Hole Diameter (Mm)15.25 mm
Center Hole Diameter2.638 IN
Conventional Or Drum-In-Hat Type RotorConventional
Grade TypeRegular
Inside Diameter8.583 IN
MaterialCast Iron
Mounting Bolt Hole Circle Diameter4.409 IN
Mounting Bolt Hole Diameter0.6 IN
Outside Diameter12.598 IN
Solid Or Vented Type RotorVented
Surface TypeX Drilled
Bolt Hole Quantity5
ConstructionFull Cast
Disc FinishCoated
Discard Thickness0.866 IN
Faq - Answer 1Yes, ACDelco also offers GM OE brake rotor and Advantage brake rotors.
Faq - Question 1Does ACDelco offer other grades of brake rotors?
Features Benefits - Bullet 1Inspected for balance; resulting in smooth brake operation and noise reduction
Features Benefits - Bullet 2Independently tested with Noise/Vibration/Harshness (NVH) and durability/wear testing; resulting in high quality and reliable products
Features Benefits - Bullet 3Follows original manufacturers' designs for dispersing heat, helping to prolong pad and rotor life while reducing noise and vibration
Features Benefits - Bullet 4Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Features Benefits - Bullet 5Premium aftermarket replacement part
Features Benefits - Bullet 6Manufactured 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 1Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
Good Maintenance Practices - Section 1 - Bullet 2Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Good Maintenance Practices - Section 1 - Bullet 3Inspect 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 4Check the thickness of your brake pads.
Good Maintenance Practices - Section 1 - HeaderThe following inspections and maintenance procedures can help prevent potential brake problems:
Good Maintenance Practices - Section 2 - Bullet 1Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - Section 2 - Bullet 2Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - Section 2 - Bullet 3Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4Parking brake adjustments (as needed).
Good Maintenance Practices - Section 2 - HeaderThe following should be conducted by a qualified technician:
Hat FinishCoated
Height (In)1.99 in
Height (Mm)50.6 mm
Lug Quantity5
Mounting Bolt Hole Quantity5
Nominal Thickness0.945 IN
Original Equipment ReplacementYes
Overall Height1.992 IN
Product DescriptionACDelco 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,
Programming RequiredNo
Rust Resistant CoatingYes
Signs Of Wear Troubleshooting - Section 1 - Bullet 4Vehicle pulls to the left or right when brakes are applied.
Signs Of Wear Troubleshooting - Section 1 - Bullet 5Visible ridges or deep grooves on the rotor surface.
SlottedNo
Stud/Lug Hole Quantity5
Check if this fitsShop worry-free by verifying fitment first. If the part doesn't fit, we'll make it right or refund you. Learn more
Main Image
Click to expand
Fully Coated Rear Disc Brake Rotor
Authorized Dealer
Special Offer
Buy 2, Get 5% Off
2 for $0.00•Save $0.00
Call for Price
888-477-2530Our parts specialists are ready to help you find the best price.
Part #:18A82119
OE REPLACEMENT
Fully Coated Rear Disc Brake Rotor
|
Part #:18A82119
|
Disc Brake Rotor
Call for Price
888-477-2530Our parts specialists are ready to help you find the best price.
Quantity:
1
In Stock·10 or more available
Fast delivery between Mon, Jun 22 to Mon, Jun 22
Ships To:Key Features
OEM-Equivalent QualityMeets/exceeds factory specs
American BusinessMaryland since 1986
24-Month WarrantyLimited coverage on every part
Fast Same Day ShippingWe ship all orders the same business day before cutoff
Product Specs
BrandGM Genuine Parts
Part Number18A82119
Part TypeDisc Brake Rotor
ConditionNew
Abs Tone Ring IncludedNo
Bolt Circle Diameter (In)4.409 in
Bolt Circle Diameter (Mm)112 mm
Bolt Hole Diameter (In)0.6 in
Compatibility
Vehicle Compatibility
Guaranteed to fit 0 vehicles from Infinity--Infinity
No compatibility data available
Questions & Answers
This GM Genuine Parts Disc Brake Rotor (Part #18A82119) fits specific vehicles. Use the compatibility checker on this page to verify fitment for your vehicle.
This is a premium aftermarket Disc Brake Rotor by GM Genuine Parts, designed to meet or exceed OEM specifications with strict quality control standards.
This GM Genuine Parts Disc Brake Rotor is backed by a 24-month limited warranty covering defects in materials and workmanship from date of purchase.
Fast shipping — orders before 3 PM ET ship the same day. Most arrive within 3-5 business days.
30-day money-back guarantee. Return unused parts in original packaging for full refund.
Have a Question?
Ask Marvin, our Car Expert
Online now
Things to Know
About This Disc Brake Rotor
This GM Genuine Parts automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- •Unusual noises from the component area
- •Decreased vehicle performance
- •Warning lights on dashboard
- •Visible wear or damage
- •Failed vehicle inspection
GM Genuine Parts
Trusted Automotive Brand
GM Genuine Parts is a trusted manufacturer of quality automotive parts.
View all GM Genuine Parts productsInstallation Guide
Moderate
1-3 hours
Tools Needed
Basic hand toolsTorque wrenchVehicle service manual
Frequently Asked Questions
WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which are known to the State of California to cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts