Walker® CalCat® Catalytic Converters comply with specific pre-OBDII and OBDII requirements for California and other states with strict emissions standards. CalCat converters feature the right loading of precious metals, the proper catalyst material and design, and a high-technology washcoat, providing enhanced oxygen storage capacity.
Direct-Fit Converters designed for easy installation and OE-style fit.
Thicker, OE-quality flanges.
Body and pipe heat shields to match OE.
Stainless steel body.
Oxygen sensor fittings (where applicable).
Determine your Engine Family Number to make sure you order the correct replacement converter.
Have You Fixed the Problem that Caused your OEM Converter to Fail?
Catalytic Converters are designed to last the life of your vehicle – they do not fail on their own. It is important to fix the source of the problem before replacing your OEM converter. There are three major reasons a converter fails:
OVERHEATED / MELTED
Often caused by unburned fuel entering the converter from a faulty:
Spark Plug
Exhaust Valve
Oxygen Sensor
Fuel Injector
Burned Converter
CATALYST POISONING
Often caused by exposure to emissions substances from:
Leaky Cylinder Head Gasket
Silicone-Based Sealant
Improper Fuel (E85, Diesel)
Worn Piston Ring / Valve Seal
Oil Fouled Converter
STRUCTURAL DAMAGE
Often caused by road debris, corrosion or other conditions such as: