Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / Magnaflow / New

MagnaFlow Direct Fit Catalytic Converter 03 Ranger/B-Ser V6 Rear

Magnaflow · New

MagnaFlow Direct Fit Catalytic Converter 03 Ranger/B-Ser V6 Rear

MPN 51379 · Store SKU mag51379

$723.00
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 5:03:58 PM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

Shipping & returns ↗This policy does not limit rights required by law.

Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51379. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 51379 includes (1) Flange Gasket, (1) Donut Gasket and interchanges with OE parts 1F02-20-500, 1F21-20-500, 1F22-20-500, 1F23-20-500, ZZP2-20-500, ZZR2-20-500. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems. MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51379 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. Designed to fit the 2001-2003 Ford Ranger, 2001-2003 Mazda B3000, and more, this direct-fit catalytic converter also interchanges with OE parts 1F02-20-500 and 1F21-20-500, among others. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems. Magnaflow OEM Grade Direct-Fit Catalytic Converter OEM Grade Direct-Fit Catalytic Converter

Manufacturer fitment & guides

Check 51379 against the manufacturer’s application information below.

Part-specific notes

  • Not CARB approved. Destination and intended-use restrictions must be checked before sale.
  • Emissions acknowledgement required before purchase.
More from Magnaflow ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your cart.