MagnaFlow
Direct-Fit CALIFORNIA OBDII CONVERTERS

MagnaFlow 458018 Catalytic Converter

Brand MagnaFlow 458018
Mounting Hardware Included Yes
Universal Or Specific Fit Specific
Grade Type Regular
Tube Material Stainless steel
Inlet Type Bolt-on
Outlet Type Clamp-on
Heat Shield Attached Yes
Body Material Stainless steel
Substrate Material Ceramic
Outlet Gasket Included No
Overall Length 60
Air Tube Count 0
Air Tube Adaptable No
Clamp Included Yes
Converter Quantity 1
Finish Stainless steel
Hangers Included No
Heat Shield Material Aluminized steel
Oxygen Sensor Location Pre and post converter
Type Direct-fit
Product line Direct-Fit CALIFORNIA OBDII CONVERTERS
Fits Dodge · 1 vehicle

Direct-fit design. Installs with the proper tools and no cutting or welding.

Stainless steel construction. Resists corrosion and supports long-term exhaust durability.

CARB-compliant replacement. Built for California-grade emissions requirements on the listed application.

$2,670.00Free 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
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $2,670.00
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Direct-Fit CARB Catalytic Converter

MagnaFlow catalytic converter 458018 is a direct-fit replacement for the listed application and is built to meet California-grade CARB requirements. It uses stainless steel construction, a ceramic substrate, and an OE-style spun body design to support proper exhaust flow and sealing.

This part is engineered for the 2002 Dodge Ram 1500 and is intended for buyers who need a legal replacement for a CARB-restricted application. The bolt-on inlet, clamp-on outlet, attached heat shield, and included mounting hardware simplify replacement without cutting or welding.

Key Features

  • Direct-fit design for the listed application
  • California-grade CARB compliant replacement
  • Stainless steel tube and body construction
  • Ceramic substrate for exhaust aftertreatment
  • OE-style spun body with laser fusion weld
  • Pre- and post-converter oxygen sensor locations
  • Mounting hardware and clamp included

Detailed Description

MagnaFlow 458018 is a specific-fit catalytic converter built for the 2002 Dodge Ram 1500. It combines mandrel-bent tubing, stainless steel materials, and a compact low-mass body to mirror original equipment packaging while supporting thermal efficiency and leak resistance. The direct-fit layout is designed to install with the proper tools and without cutting or welding.

MagnaFlow’s 458018 also reflects the brand’s use of 3D scanning during development to match OE fit and function. For Ram 1500 owners replacing a failed emissions component, this converter provides a CARB-compliant solution for the listed vehicle and configuration.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

  • Replacing a damaged or restricted catalytic converter
  • Restoring exhaust flow after converter substrate failure
  • Addressing emissions-related fault codes tied to converter efficiency
  • Replacing a corroded factory unit with a direct-fit assembly
  • Meeting CARB requirements for the listed application

Installation Notes and Tips

Fits 2002 Dodge Ram 1500, N/A. Verify the vehicle’s emissions certification and engine family against the listing before installation. Use the proper tools and confirm sensor and flange alignment before tightening the connections.

Quality Assurance

MagnaFlow states that this converter meets or exceeds California Air Resources Board requirements and has undergone additional testing for CARB-guideline compliance on the listed vehicle. Part number 458018 is developed using 3D scanning and OE-style design references to support fit and function.

This part fits 1 vehicle
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2002DodgeRam 15005.9LV8Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 2CRXA0360H40; Direct-Fit CALIFORNIA OBDII CONVERTERS