Bosal
BRExhaust Federal Direct-Fit Premium Load OBDII Catalytic Converter

Bosal 079-4262 Catalytic Converter - Left

Brand Bosal 079-4262
Position Left
Body Material Stainless steel
Substrate Material Ceramic
Overall Length 33.875
Air Tube Adaptable No
Converter Quantity 1
Finish Stainless steel
Inlet Attachment Bolt-on
Main Piping Diameter 2.5
Material Stainless steel
Outlet Attachment Clamp-on
Oxygen Sensor Location Pre and post converter
Series Premium load
Subtitle Federal / epa compliant
Title Brexhaust premium load federal / epa compliant direct-fit catalyt
Type Direct-fit
Product line BRExhaust Federal Direct-Fit Premium Load OBDII Catalytic Converter
Fits Lincoln · 2 vehicles

Direct-fit replacement. Bolt-on installation with no cutting, welding, or fabrication required.

Stainless steel construction. Corrosion-resistant materials help deliver long service life and reliable performance.

Federal / EPA compliant. Engineered to keep emissions systems working within Federal OBDII EPA standards.

$372.20Free 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 $372.20
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Federal/EPA Direct-Fit Catalytic Converter

Bosal BRExhaust Federal Direct-Fit Premium Load OBDII Catalytic Converter 079-4262 is built for 2005-2006 Lincoln Navigator left-side applications. It combines stainless steel construction with a ceramic substrate to support reliable exhaust flow and emissions control while maintaining an OE-style direct-fit layout.

Key Features

  • Direct-fit catalytic converter for straightforward bolt-on replacement
  • Stainless steel body and finish for corrosion resistance
  • Ceramic substrate for emissions conversion performance
  • Federal/EPA compliant design for OBDII-equipped vehicles in Federal-standard states
  • Pre- and post-converter oxygen sensor locations supported
  • 2.5 in. main piping diameter with inlet bolt-on and outlet clamp-on attachment
  • Fits 2005-2006 Lincoln Navigator, left

BRExhaust Premium Load Details

The BRExhaust Premium Load line is Bosal’s direct-fit exhaust replacement range for drivers who need a vehicle-specific catalytic converter with OE-style fitment. Part number 079-4262 is engineered for the left side of the 2005-2006 Lincoln Navigator and is built to align with Federal OBDII EPA requirements while preserving the factory-style installation path.

What This Converter Helps Address

  • Check engine light concerns related to catalytic converter efficiency codes
  • Failed emissions inspection results on Federal/EPA-standard vehicles
  • Restricted exhaust flow caused by a worn or damaged converter
  • Corrosion-related exhaust deterioration in the converter body
  • Fitment issues from universal or modified exhaust replacements

Installation Notes

This direct-fit converter is made for bolt-on installation, so no cutting, welding, or fabrication is required. Verify left-side placement, oxygen sensor locations, and exhaust dimensions before installation. Confirm that your vehicle is a 2005-2006 Lincoln Navigator with Federal OBDII EPA emissions requirements before ordering 079-4262.

Quality Assurance

Bosal manufactures this catalytic converter with stainless steel construction and a ceramic substrate to support long service life and consistent performance. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006LincolnNavigator5.4LV8LeftBRExhaust Federal Direct-Fit Premium Load OBDII Catalytic Converter
2005LincolnNavigator5.4LV8LeftBRExhaust Federal Direct-Fit Premium Load OBDII Catalytic Converter