How Often Should I Replace Brake Rotors?

Brake rotors should be replaced when they are worn down to the minimum thickness, or if they are warped or damaged. DIY brake and rotor replacement is a straightforward process with products available on PartsHawk.com.

What Are Signs Of Brake Problems?

Look out for signs of brake problems like worn brake pads, bad rotor symptoms, and other brake system problems. DIY fix with products from PartsHawk.com.

ACDelco 18a1091a | Rear Disc Brake Rotor

Part Number

18a1091a

Rear Brake Rotor

Fits what vehicles: 1997-1998 Saab 900, 1999-2003 Saab 9-3, 1999 Saab 9-5, 2000-2008 Chevrolet Astra, 2000 Saturn LS, 2000 Saturn LS1, 2000 Saturn LS2, 2000 Saturn LW1, 2000 Saturn LW2, 2001-2002 Saturn L100, 2001-2003 Saturn L200, 2001-2005 Saturn L300, 2001-2003 Saturn LW200, 2001-2003 Saturn LW300

Special Price $38.10 Regular Price $44.82

---------OR---------

In stock

Only 2 left

Estimated Ship Date: 1 Business Day or Less

Skip to the end of the images gallery

Skip to the beginning of the images gallery

Product Information

Description

ACDelco Silver (Advantage) Disc Brake Rotors are a quality, high value alternative for General Motors vehicles as well as most makes and models and are backed by General Motors. ACDelco Silver (Advantage) parts are a good choice for many vehicles on the road today. Some ACDelco Silver parts may have formerly appeared as ACDelco Advantage.

Features

Some ACDelco Silver parts may have formerly appeared as ACDelco Advantage
Economical value with dependable quality
For General Motors vehicles as well as most makes and models

Specifications

ABS Tone Ring Included:	No
Bolt Circle Diameter (in):	4.331
Bolt Circle Diameter (mm):	110
Bolt Hole Quantity:	5
Center Bore Diameter (in):	2.6in
Center Bore Diameter (mm):	66mm
Center Hole Diameter:	2.58
Center Hole Diameter:	65.55
Construction:	Full Cast
Conventional Or Drum-In-Hat Type Rotor:	Drum-In-Hat
Directional or Non-Directional Brake Surface:	No
Disc Finish:	Non-Directional
Discard Thickness:	0.315
Discard Thickness:	8
Grade Type:	Regular
Hat Finish:	Plain
Height (in):	2.7
Height (mm):	68.6
Length (in):	12.1
Material:	Cast Iron
Mounting Bolt Hole Circle Diameter:	110
Mounting Bolt Hole Circle Diameter:	4.331
Mounting Bolt Hole Diameter:	0.557
Mounting Bolt Hole Diameter:	14.15
Mounting Bolt Hole Quantity:	5
Nominal Thickness:	0.394
Nominal Thickness:	10
Outside Diameter:	11.26
Outside Diameter:	286
Overall Height:	2.725
Overall Height:	69.2
Programming Required:	No
Rust Resistant Coating:	No
Slotted:	No
Solid Or Vented Type Rotor:	Vented
Stud/Lug Hole Quantity:	5
Surface Type:	Smooth
Weight (lb):	12
Width (in):	12.1