Name: ACDelco 18A952SD Performance Rear Disc Brake Rotor Assembly for Severe Duty
SKU: 18a952sd
Price: 190.99 USD
Availability: InStock

ACDELCO part description

ROTOR ASM RR BRK

Product Description

Rear Brake Rotor

Product Attributes

Center Hole Diameter	78.7 MM
Discard Thickness	0.728 IN
Pad Contact Surface Width	1.7 IN
Center Bore Diameter (in)	3.1in
Height (in)	3.4 in
Bolt Circle Diameter (in)	5.5 in
Bolt Hole Quantity	6
Overall Height	3.35 IN
Discard Thickness	18.5 MM
Center Hole Diameter	3.098 IN
Pad Contact Surface Width	43.75 MM
Center Bore Diameter (mm)	78.7mm
Height (mm)	85.1 mm
Bolt Circle Diameter (mm)	139.7 mm
Outside Diameter	325 MM
Overall Rotor Diameter (mm)	325.12mm
Mounting Bolt Hole Circle Diameter	5.5 IN
Good Maintenance Practices - Section 2 - Bullet 2	Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Product 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. ⚠<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
FAQ - Answer 1	No, but it is a good idea to inspect them for wear-out, cracking, leaking etc.
Good Maintenance Practices - Section 2 - Bullet 1	Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - Section 1 - Bullet 2	Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Material	Cast Iron
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 - Header	The following inspections and maintenance procedures can help prevent potential brake problems:
Good Maintenance Practices - Section 2 - Bullet 4	Parking brake adjustments (as needed).
Features & Benefits - Bullet 2	Damped iron metallurgy reduces noise and dissipates heat
Good Maintenance Practices - Section 2 - Bullet 3	Inspection of wheel bearings and grease seals.
Signs of Wear & Troubleshooting - Section 1 - Bullet 1	Visible ridges on rotor surface.
Construction	Full Cast
Good Maintenance Practices - Section 1 - Bullet 1	Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
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 3	Difficulty stopping the vehicle.
Features & Benefits - Bullet 7	Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
Features & Benefits - Bullet 1	Match OE vane configuration for reduced brake wear and optimal cooling
Features & Benefits - Bullet 4	Mill balanced to reduce vibration
Programming Required	No
Signs of Wear & Troubleshooting - Section 1 - Header	Brake rotor signs of wear include:
Features & Benefits - Bullet 3	Non-directional rotation eliminates the need for unique left and right designations
Signs of Wear & Troubleshooting - Section 1 - Bullet 2	Chirping, grinding, or squeaking noises when braking.
Grade Type	Performance
Features & Benefits - Bullet 6	Premium aftermarket replacement part
Surface Type	Smooth
Features & Benefits - Bullet 5	Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Good Maintenance Practices - Section 1 - Bullet 4	Check the thickness of your brake pads.
Signs of Wear & Troubleshooting - Section 1 - Bullet 6	Vehicle pulls to the left or right when brakes are applied.
Hat Finish	Turned
Disc Finish	Turned
Good Maintenance Practices - Section 2 - Header	The following should be conducted by a qualified technician:
Solid Or Vented Type Rotor	Vented
FAQ - Question 1	Do I have to replace all my brake parts when replacing my brake rotors?
Slotted	Yes
Rust Resistant Coating	Yes
FAQ - Question 2	Do I have to replace my brake rotors after a certain amount of time?
FAQ - Answer 2	No, but it is a good idea to inspect your brake rotors at each tire rotation.
Mounting Bolt Hole Circle Diameter	139.7 MM
Mounting Bolt Hole Diameter	0.645 IN
Mounting Bolt Hole Diameter	16.4 MM
Mounting Bolt Hole Quantity	6
Nominal Thickness	20.05 MM
Nominal Thickness	0.79 IN
Outside Diameter	12.795 IN
Overall Height	85.1 MM
Stud/Lug Hole Quantity	6
Conventional Or Drum-In-Hat Type Rotor	Drum-In-Hat
ABS Tone Ring Included	No

Additional Information

Warranty Special	24 Months/Unlimited Miles Limited Warranty (Parts Only). Please see ACDelco.com for more details\|36 Months/60,000 Kilometers Limited Warranty (Parts Only). Please see ACDelcocanada.com for more details
Harmonized Tariff Code (HTS)	8708305030
Country of Origin (Primary)	CN
Warranty Special UOM	TX
UPC	00707773912386

Fits Vehicles

Chevrolet Silverado 1500 Classic (2007)
Chevrolet Suburban 2500 (2003)
Chevrolet Suburban 1500 (2000-2001)
Chevrolet Tahoe (2000-2001)
GMC Sierra 1500 Classic (2007)
GMC Sierra 1500 (1999-2006)
GMC Sierra 2500 (2003)
Chevrolet Silverado 1500 (1999-2006)
Chevrolet Silverado 2500 (2003)
GMC Yukon (2000-2001)
GMC Yukon XL 1500 (2000-2001)
GMC Safari (2003-2005)
Chevrolet Astro (2003-2005)

A true OEM auto parts brand for GM and non-GM vehicles, ACDelco® offers a wide portfolio of parts designed to keep vehicles on the road longer. These parts work precisely and fit perfectly because they are designed, engineered, tested, and backed by General Motors. But ACDelco also carries aftermarket components that go through the same 18-step quality approval process as the OE parts. Whether customers choose OE or aftermarket, they’d get the same reliable performance, precise engineering, and superior reliability for years to come. ACDelco’s expansive product portfolio includes alternators, filters, batteries, brakes, belts and hoses, oil and fluids, and suspension parts. These products are made to meet GM and non-GM vehicles’ ever-evolving powertrain, collision, maintenance, and repair needs.