HomeStoptech 227.40042L Disc Brake Rotor - Rear Left
Part #: 227.40042L

Stoptech 227.40042L Disc Brake Rotor - Rear Left

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors, Rear Left
17 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors, Rear Left
Fitment: Acura and Honda, RSX, Civic, Accord, and Integra
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors (part number 227.40042L) are engineered for Acura and Honda vehicles, including the Accord, Civic, Integra, and RSX models. Designed to enhance braking performance, these rotors feature a solid construction with cross-drilled and slotted surfaces to improve heat dissipation and reduce brake fade.

  • Cross-drilled and slotted surface for improved cooling and debris removal
  • Solid rotor design with a 10.224 inch (259.7 mm) outside diameter
  • Nominal thickness of 0.354 inch (9.0 mm) with discard thickness at 0.315 inch (8.0 mm)
  • Overall height of 1.902 inch (48.3 mm)
  • Floating disc mounting with 5 lug holes (0.496 inch diameter)
  • Compatible with Acura and Honda Accord, Civic, Integra, and RSX

About the StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide a balance between everyday driving and enhanced braking performance. This product line features rotors with cross-drilled holes and slots that help dissipate heat and gases generated during braking, which can improve pedal feel and reduce brake fade. The solid rotor design offers durability and consistent performance, making it suitable for street-driven Acura and Honda vehicles requiring reliable stopping power.

Product Specifications and Features

This disc brake rotor has a solid construction with a 10.224 inch (259.7 mm) outside diameter and an overall height of 1.902 inch (48.3 mm). The nominal thickness is 0.354 inch (9.0 mm), with a discard thickness of 0.315 inch (8.0 mm), ensuring clear service limits for maintenance. The rotor includes 5 lug holes with a diameter of 0.496 inch (12.6 mm) and a mounting bolt hole circle diameter of 4.5 inch (114.3 mm). It does not include an ABS tone ring or bearings. The floating disc mounting and four miscellaneous holes contribute to proper fitment and heat management. Weighing approximately 8.5 lbs (3.86 kg), this rotor balances strength and weight for effective braking performance.

Common Applications and Problem Solving

  • Replacement for worn or warped rotors on Acura and Honda Accord, Civic, Integra, and RSX models
  • Improves heat dissipation to reduce brake fade during spirited driving or heavy braking
  • Helps eliminate brake noise and vibration caused by uneven rotor surfaces
  • Addresses reduced braking efficiency due to glazed or damaged rotors
  • Enhances brake pad bite and overall pedal feel with slotted and drilled design

Installation Notes and Tips

  • Ensure rotor thickness is above discard thickness (0.315 inch) before installation
  • Clean rotor surface to remove any protective coatings or debris prior to mounting
  • Verify compatibility with vehicle make and model: Acura and Honda Accord, Civic, Integra, RSX
  • Torque lug nuts to manufacturer specifications to avoid rotor warping
  • Inspect brake pads and replace if worn to maximize rotor performance

Quality Assurance and Warranty

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. Each rotor undergoes strict quality control to ensure durability and consistent braking performance. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.

BrandStoptech
Part Number227.40042L
PositionStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors, Rear Left
ABS Tone Ring IncludedNo
Bearings IncludedNo
Center Hole Diameter2.528
Center Hole Diameter64.200
Disc Mounting [cntrc]Floating
Discard Thickness0.315
Discard Thickness8.000
Misc Holes [cntrc]4
Mounting Bolt Hole Circle Diameter4.500
Mounting Bolt Hole Circle Diameter114.300
Nominal Thickness0.354
Nominal Thickness9.000
Outside Diameter10.224
Outside Diameter259.700
Overall Height1.902
Overall Height48.300
Solid Or Vented Type RotorSolid
Stud/Lug Hole Diameter0.496
Stud/Lug Hole Diameter12.600
Stud/Lug Hole Quantity5
Surface TypeSlotted X Drilled
Weight [cntrc] kgs3.860
Weight [cntrc] lbs8.500

This part fits 17 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2006AcuraRSXRear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
2005AcuraRSXRear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
2005HondaCivicSiRear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
2004AcuraRSXRear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
2004HondaCivicSiRear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
2003AcuraRSXRear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
2002AcuraRSXRear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
2002HondaAccord3.0LV6Rear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
2001AcuraIntegraType RRear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
2001HondaAccord3.0LV6Rear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
2000AcuraIntegraType RRear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
2000HondaAccord3.0LV6Rear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
1999AcuraIntegraType RRear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
1999HondaAccord3.0LV6Rear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
1998AcuraIntegraType RRear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
1998HondaAccord3.0LV6Rear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors
1997AcuraIntegraType RRear LeftStopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.