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$54.95
AC Delco Gold Front Brake Rotor 18A557
Part # 18A557
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AC Delco Gold Front Brake Rotor 18A557
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Vehicle Compatibility
No compatibility data available for this part.
Specifications
Brand: ACDelco
Part Number: 18A557
Part Type: Disc Brake Rotor
Condition: New
Qty Per Vehicle: 2
Abs Tone Ring Included: No
Bolt Circle Diameter (In): 4.5 in
Bolt Circle Diameter (Mm): 114.3 mm
Center Bore Diameter (In): 2.9in
Center Bore Diameter (Mm): 73.5mm
Center Hole Diameter: 2.892 IN
Conventional Or Drum-In-Hat Type Rotor: Conventional
Grade Type: Regular
Length (In): 12.3 in
Material: Cast Iron
Max Bolt Hole Diameter (Mm): 73.41mm
Mounting Bolt Hole Circle Diameter: 4.5 IN
Mounting Bolt Hole Diameter: 4.5 IN
Outside Diameter: 11.1 IN
Overall Rotor Diameter (Mm): 281.94mm
Pitch Circle Diameter (Mm): 114.3mm
Solid Or Vented Type Rotor: Vented
Surface Type: Smooth
Bolt Hole Quantity: 5
Construction: Full Cast
Disc Brake Rotor Construction: Vented
Disc Finish: Ground
Discard Thickness: 0.882 IN
Faq - Answer 1: Yes, ACDelco also offers GM OE brake rotor and Advantage brake rotors.
Faq - Question 1: Does ACDelco offer other grades of brake rotors?
Features Benefits - Bullet 1: Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Features Benefits - Bullet 2: Premium aftermarket replacement part
Features Benefits - Bullet 3: 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.
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 ACDelco Disc Brake Rotor (Part #18A557) 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 ACDelco, designed to meet or exceed OEM specifications with strict quality control standards.
What warranty is included?
This ACDelco 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?
Free standard shipping on all orders. Most orders ship within 1-2 business days and 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.
Product Specifications
Brand
ACDelco
Part Type
Disc Brake Rotor
Bolt Circle Diameter (In)
4.5 in
Center Bore Diameter (In)
2.9in
Part Number
18A557
Abs Tone Ring Included
No
Bolt Circle Diameter (Mm)
114.3 mm
Center Bore Diameter (Mm)
73.5mm
Abs Tone Ring IncludedNo
Bolt Circle Diameter (In)4.5 in
Bolt Circle Diameter (Mm)114.3 mm
Center Bore Diameter (In)2.9in
Center Bore Diameter (Mm)73.5mm
Center Hole Diameter2.892 IN
Conventional Or Drum-In-Hat Type RotorConventional
Grade TypeRegular
Length (In)12.3 in
MaterialCast Iron
Max Bolt Hole Diameter (Mm)73.41mm
Mounting Bolt Hole Circle Diameter4.5 IN
Mounting Bolt Hole Diameter4.5 IN
Outside Diameter11.1 IN
Overall Rotor Diameter (Mm)281.94mm
Pitch Circle Diameter (Mm)114.3mm
Solid Or Vented Type RotorVented
Surface TypeSmooth
Bolt Hole Quantity5
ConstructionFull Cast
Disc Brake Rotor ConstructionVented
Disc FinishGround
Discard Thickness0.882 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 1Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Features Benefits - Bullet 2Premium aftermarket replacement part
Features Benefits - Bullet 3Manufactured 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 FinishTurned
Height (In)2.1 in
Height (Mm)52.2 mm
Includes Abs Sensor RingNo
Mounting Bolt Hole Quantity5
Nominal Thickness0.945 IN
Number Of Lugs5
Overall Height2.055 IN
Pad Contact Surface Width2 IN
Product DescriptionACDelco Gold (Professional) Non-Coated Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. ACDelco Gold (Professional) parts are manufactured to meet your expectations f
Programming RequiredNo
Rust Resistant CoatingNo
Signs Of Wear Troubleshooting - Section 1 - Bullet 1Brake pedal pulsation (not to be confused with normal ABS operation).
Signs Of Wear Troubleshooting - Section 1 - Bullet 2Squealing or grinding noises.
Signs Of Wear Troubleshooting - Section 1 - Bullet 3Low brake pedal height.
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.
Signs Of Wear Troubleshooting - Section 1 - HeaderBrake rotor signs of wear include:
SlottedNo
Stud/Lug Hole Quantity5
Thickness (In)0.945 in
Thickness (Mm)24.003 mm
Weight14 LB
Width (In)12.3 in
Tap to zoomPart # 18A557AC Delco Gold Front Brake Rotor 18A557
Brand ACDelcoCondition NewDisc Brake RotorPosition FrontQty / vehicle 224-mo warranty
$10990
$137.90SAVE 20%
Dealer charges $199.96SAVE 45%— You save $90.06
Out of Stock
Out of Stock
OE REPLACEMENT
AC Delco Gold Front Brake Rotor 18A557
|
Part #:18A557
|
Disc Brake Rotor
$54.95In Stock
$68.95Save 20%
Pay in 4 interest-free payments of$27.48withPayPal
Quantity:
2
Out of Stock
FREE delivery between Fri, Aug 14 to Fri, Aug 14
Ships To:Out of Stock
Key Features
OEM-Equivalent QualityMeets/exceeds factory specs
American BusinessMaryland since 1986
24-Month WarrantyLimited coverage on every part
Free Same Day ShippingWe ship all orders the same business day before cutoff
Product HighlightsBeta
Reading the catalog · checking interchanges · researching…
What vehicles does this Disc Brake Rotor fit?
This ACDelco Disc Brake Rotor (Part #18A557) 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 ACDelco, designed to meet or exceed OEM specifications with strict quality control standards.
What warranty is included?
This ACDelco 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?
Free shipping on orders $50+. Most orders ship within 1-2 business days and 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.
AC Delco Gold Front Brake Rotor 18A557
Part # 18A557
Main Image
Click to expand
Special Offer
Buy 2, Get 5% Off
2 for $104.41•Save $5.50
$10990
$137.90SAVE 20%
Dealer charges $199.96SAVE 45%— You save $90.06
Out of Stock
Out of Stock
OE REPLACEMENT
AC Delco Gold Front Brake Rotor 18A557
|
Part #:18A557
|
Disc Brake Rotor
$54.95In Stock
$68.95Save 20%
Pay in 4 interest-free payments of$27.48withPayPal
Quantity:
2
Out of Stock
FREE delivery between Fri, Aug 14 to Fri, Aug 14Ships To:Out of Stock
Key Features
OEM-Equivalent QualityMeets/exceeds factory specs
American BusinessMaryland since 1986
24-Month WarrantyLimited coverage on every part
Free Same Day ShippingWe ship all orders the same business day before cutoff
What vehicles does this Disc Brake Rotor fit?
This ACDelco Disc Brake Rotor (Part #18A557) 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 ACDelco, designed to meet or exceed OEM specifications with strict quality control standards.
What warranty is included?
This ACDelco 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?
Free shipping on orders $50+. Most orders ship within 1-2 business days and 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.
About This Disc Brake Rotor
This ACDelco 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
ACDelco
Trusted Automotive Brand
ACDelco is a trusted manufacturer of quality automotive parts.
View all ACDelco 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