ACDelco 18A1421 | Front Disc Brake Rotor

Part Number
18A1421
Front Brake Rotor

Fits: 02-06 Chevrolet Trailblazer EXT, 02-06 GMC Envoy XL, 03-06 Chevrolet SSR, 03-04 Chevrolet Trailblazer, 03-06 Isuzu Ascender, 04-07 Buick Rainier, 06-08 Chevrolet Trailblazer, 04-05 GMC Envoy XUV, 05-09 GMC Envoy, 05-09 Saab 9-7x

Special Price $71.39 Regular Price $83.99
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Non-Coated Front Disc Brake Rotor


BRAND: ACDelco




FEATURES:


  • Front Brake Rotor
  • Abs Components;Brake;Brake Caliper;Brake Caliper Lubricant;brake care;Brake Fluid;Brake Pad;Brake Parts;Brake Rotor;Brake Shoe;brakes care;Caliper;Drums;Durastop Brake Pads;Durastop Brake Parts;Durastop Ceramic Brake Pads;Low Voc Brake Parts Cleaner 15oz;Low Voc Brake Parts Cleaner 16oz;luxury hybrid brake pads;oem Brakes;Pads And Shoes;Rotor;Silicone Brake Lubricant


SPECIFICS:


ABS Tone Ring IncludedNo
ACD_RemanDesNo
AltPA_127_mm27.508
AltPA_130_mm29.006
AltPA_143_mm127
AltPA_144_mm324.87
AltPA_25_mm325
AltPA_3070_mm79.2
AltPA_31_mm54.3
AltPA_7577_mm61.85
Bolt Hole Quantity6
ConstructionFull Cast
Disc FinishGround
Discard Thickness1.083
FAQ - A1Yes, ACDelco also offers GM OE brake rotor and Advantage brake rotors.
FAQ - Q1Does ACDelco offer other grades of brake rotors?
Features & Benefits - B1Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Features & Benefits - B2Premium aftermarket replacement part
Features & Benefits - B3Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
Good Maintenance Practices - S1 B1Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
Good Maintenance Practices - S1 B2Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Good Maintenance Practices - S1 B3Inspect 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 - S1 B4Check the thickness of your brake pads.
Good Maintenance Practices - S1 HThe following inspections and maintenance procedures can help prevent potential brake problems:
Good Maintenance Practices - S2 B1Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - S2 B2Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - S2 B3Inspection of wheel bearings and grease seals.
Good Maintenance Practices - S2 B4Parking brake adjustments (as needed).
Good Maintenance Practices - S2 HThe following should be conducted by a qualified technician:
Grade TypeREGULAR
Hat FinishTurned
Height2.1
MaterialCast Iron
Mkt_BrandQual_NameNon-Coated
Mkt_State_Warranty_CA24 Months/40,000 KM (Parts Only). Please see ACDelcocanada.com for more details.
Mkt_State_Warranty_US24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details.
Nominal Thickness1.142
Outside Diameter12.8
Pad Contact Surface Width2.4
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 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.
Programming RequiredNO
Rust Resistant CoatingYes
Signs of Wear & Troubleshooting - S1 B1Brake pedal pulsation (not to be confused with normal ABS operation).
Signs of Wear & Troubleshooting - S1 B2Squealing or grinding noises.
Signs of Wear & Troubleshooting - S1 B3Low brake pedal height.
Signs of Wear & Troubleshooting - S1 B4Vehicle pulls to the left or right when brakes are applied.
Signs of Wear & Troubleshooting - S1 B5Visible ridges or deep grooves on the rotor surface.
Signs of Wear & Troubleshooting - S1 HBrake rotor signs of wear include:
SlottedNo
Solid Or Vented Type RotorVENTED
Surface TypeSMOOTH
Vintage_Part_IndicatorN



DOWNLOADS:




APPLICATIONS:


  • 2003-2006 Isuzu Ascender - Position: Front
  • 2004-2005 GMC Envoy XUV - Position: Front
  • 2005-2009 GMC Envoy - Position: Front
  • 2002-2006 Chevrolet Trailblazer EXT - Position: Front
  • 2004-2007 Buick Rainier - Position: Front
  • 2003-2006 Chevrolet SSR - Position: Front
  • 2002-2006 GMC Envoy XL - Position: Front
  • 2003-2004 Chevrolet Trailblazer - Position: Front
  • 2005-2009 Saab 9-7x - Position: Front
  • 2006-2008 Chevrolet Trailblazer - Position: Front
Customer Questions
Does AC Delco make Ford parts?
No, AC Delco produces parts primarily for General Motors vehicles and does not make parts specifically for Ford vehicles.
Can I use AC Delco parts to replace OEM parts?
Yes, in most cases AC Delco parts can be used as a replacement for OEM parts. However, it's important to ensure that the parts are compatible with your specific make and model of vehicle.
What AC Delco oil filter do I need?
AC Delco offers a variety of oil filters that are compatible with different makes and models of vehicles. To determine which AC Delco oil filter you need, consult your vehicle's owner's manual or use our online filter lookup tool that matches the make, model, and year of your vehicle.
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