AP Exhaust 642531 Catalytic Converter
OE Quality 60-Day Returns
AP Exhaust

AP Exhaust 642531 Catalytic Converter

Brand AP Exhaust 642531
Body Material Stainless steel
Inlet Gasket Not required
Inlet Hardware None
Inlet Type A 2 bolt loose flange w/ female flare
O2 Sensor Ports 2
Outlet Gasket Yes
Outlet Hardware Yes
Outlet Type A 2 bolt loose flange w/ gasket stub
Overall Length (IN) 47.5
Substrate Material Ceramic
Type Federal / epa direct-fit
Fits Ford and Mazda · 23 vehicles

Federal / EPA direct-fit. Built to match OE dimensions for straightforward installation.

Stainless steel body. Helps resist corrosion for long-term durability.

Ceramic substrate. Uses proprietary chemistry for efficient converter performance.

$296.65Free 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 $296.65
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Catalytic Converter options

OE-Fit Catalytic Converter for Ranger and B2300

The AP Exhaust 642531 is a Federal / EPA direct-fit catalytic converter built for exact OE dimensions and fitment. It is engineered with a stainless steel body and ceramic substrate to support efficient exhaust flow and emissions control on select Ford Ranger and Mazda B2300 applications.

  • Federal / EPA direct-fit catalytic converter
  • Stainless steel body for corrosion resistance
  • Ceramic substrate material
  • 2 O2 sensor ports
  • 47.5-inch overall length
  • 2-bolt loose flange inlet with female flare
  • 2-bolt loose flange outlet with gasket stub
  • Outlet gasket and outlet hardware included

Fitment and Application Details

Compatible with 1995-1997 Ford Ranger and 1995-1997 Mazda B2300 applications. Fits 1995-1997 Ford Ranger, N/A. Fits 1995-1997 Mazda B2300, N/A. Fits 1995-1997 Mazda B2300, N/A, Short Bed and Long Bed. Part number 642531 is built to match OE dimensions for direct replacement use on these vehicles.

AP Exhaust uses advanced manufacturing methods, including automated workstations, spinner welding equipment, and high-speed production lines, to help maintain consistent converter construction and fitment. The ARISTO substrate chemistry is used to support efficient catalyst loading while keeping production costs controlled.

What This Converter Helps Address

  • Failed or restricted catalytic converter on a Ford Ranger or Mazda B2300
  • Check engine light concerns related to catalyst efficiency
  • Exhaust flow loss caused by a deteriorated converter
  • Emissions test failure from a worn or damaged converter
  • Exhaust leaks at flange connections when replacing a damaged unit

Installation Notes

Verify inlet and outlet flange style, overall length, and O2 sensor port count before installation. This unit uses a 2-bolt loose flange inlet with female flare and a 2-bolt loose flange outlet with gasket stub. Outlet gasket and outlet hardware are included; inlet gasket is not required and inlet hardware is not included. Confirm vehicle emissions requirements before purchase, as this Federal / EPA direct-fit converter is not for sale or use on vehicles licensed in CA, CO, ME, or NY.

Quality Assurance

AP Exhaust builds this converter to OE dimensions using stainless steel construction and ceramic substrate materials for consistent fitment and emissions-system service. Part number 642531 reflects the brand’s direct-fit manufacturing approach for the listed Ford Ranger and Mazda B2300 applications.

Related reading

This part fits 23 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersWheel BasePositionNotes
1997FordRanger—2.3LL4125.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1997FordRanger—2.3LL4114.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1997FordRanger—2.3LL4108.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1997FordRanger—2.3LL4—N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1997MazdaB2300Extended Cab Pickup2.3LL4125.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1997MazdaB2300—2.3LL4108.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; Short Bed; Long Bed
1997MazdaB2300—2.3LL4—N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1996FordRanger—2.3LL4125.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1996FordRanger—2.3LL4114.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1996FordRanger—2.3LL4108.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1996FordRanger—2.3LL4—N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1996MazdaB2300Extended Cab Pickup2.3LL4125.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1996MazdaB2300—2.3LL4108.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; Short Bed; Long Bed
1996MazdaB2300—2.3LL4114.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; Short Bed; Long Bed
1996MazdaB2300—2.3LL4—N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1995FordRanger—2.3LL4125.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1995FordRanger—2.3LL4114.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1995FordRanger—2.3LL4108.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1995FordRanger—2.3LL4—N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1995MazdaB2300Extended Cab Pickup2.3LL4125.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1995MazdaB2300—2.3LL4114.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; Short Bed; Long Bed
1995MazdaB2300—2.3LL4108.0"N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; Short Bed; Long Bed
1995MazdaB2300—2.3LL4—N/ADirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.