Davico
Exact-Fit Catalytic Converter

Davico 18114 Catalytic Converter - Rear

Brand Davico 18114
Position Rear
Gaskets Included Yes
Height 5.25 in.
Inlet 1 Gsk. 24843
Inlet 2 Gsk. 24659
Large Pkg. Fee No
Over All Length 23.25 in.
Use Davico Decarbonizing Induction Kit 1540ea Yes
Width 8 in.
Product line Exact-Fit Catalytic Converter
Fits Honda · 3 vehicles

Exact-Fit design. Built from OE sample parts for proper fit and function.

Emissions-focused catalyst. Formulated for the demands of current OBDII vehicles.

Gaskets included. Supports a cleaner replacement process during service.

$302.49Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
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Step 2 — Quantity
Order total $302.49
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Exact-Fit Catalytic Converter

Davico Exact-Fit Catalytic Converter 18114 is built from original equipment sample parts to match fit and function on the vehicle. It uses an emissions-reducing catalyst for OBDII applications and includes gaskets for installation.

  • Exact-Fit design based on OE sample parts for proper fitment.
  • Emissions-reducing catalyst formulated for OBDII vehicle demands.
  • Gaskets included for a cleaner replacement process.
  • Fits 2003-2005 Honda Civic, rear.

Detailed Fitment and Features

This catalytic converter is intended for 2003-2005 Honda Civic rear applications, including models with 1 or 2 oxygen sensors. It is listed for both NOX and TWC applications and is identified by part number 18114. The overall length is 23.25 inches, with a height of 5.25 inches and a width of 8 inches. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

  • Failed catalytic converter efficiency codes.
  • Restricted exhaust flow from a worn converter.
  • Emission test failures related to catalyst performance.
  • Fitment issues when replacing an OE-style converter on a Honda Civic.

Installation Notes and Tips

Verify the vehicle’s emission configuration before installation. This part is not legal for use in California and is illegal for installation in New York on vehicles equipped with California emission systems. Confirm oxygen sensor count and application type before ordering. Use Davico decarbonizing induction kit 1540ea when specified for service procedures.

Quality Assurance

Davico designs Exact-Fit Catalytic Converters from OE sample parts to support proper fit and function, with catalyst materials selected for current OBDII emissions requirements.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2005HondaCivicHybrid1.3LL4RearNot legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; Use on models w/ 1 or 2 O2 Sensors; Fits both NOX and TWC applications; Exact-Fit Catalytic Converter
2004HondaCivicHybrid1.3LL4RearNot legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; Use on models w/ 1 or 2 O2 Sensors; Fits both NOX and TWC applications; Exact-Fit Catalytic Converter
2003HondaCivicHybrid1.3LL4RearNot legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; Use on models w/ 1 or 2 O2 Sensors; Fits both NOX and TWC applications; Exact-Fit Catalytic Converter