Walker Exhaust 54447 front catalytic converter for the 1999-2004 Jeep Grand Cherokee 6-cylinder 4.0L treats exhaust gas to reduce tailpipe emissions. It is a direct-fit, bolt-on Walker Exhaust catalytic converter designed to comply with EPA standards.
- Walker Ultra EPA direct-fit line, engineered for specific vehicle emissions requirements
- High load of precious metals, optimal substrate content and a high-technology washcoat
- Aluminized heat shields when originally equipped protect the undercarriage from converter heat
- Thick factory-style flanges, hangers and brackets for strength and durability
- Washcoat and precious metal load are designed to keep the check engine light off for emissions codes
- Bolt-on design with factory-style routings, brackets and hangers, so no specialized fabrication or welding is needed
Quick facts
- Part: Walker Exhaust 54447 catalytic converter
- Fits: 1999-2004 Jeep Grand Cherokee 6-cylinder 4.0L
- Position: Front
- Material: Stainless Steel
- Condition: New
A failing converter can show up as a check engine light with emissions codes, a rattle from the exhaust or weaker power. Before you replace the converter, rule out a faulty oxygen sensor, an exhaust leak or an engine misfire, since those can set similar codes.
Fits
It is a direct-fit catalytic converter for the 1999-2004 Jeep Grand Cherokee 6-cylinder 4.0L, which takes one, and this listing is one converter.
Specifications
Fit and size
- Position: Front
- Quantity per vehicle: 1
- Inlet diameter: 2.125 in (ID)
- Outlet diameter: 2.5 in (ID and OD)
- Inlet connection: 2-bolt loose flange with spherical flare
- Outlet connection: pipe connection
- Overall length: 32 in
Build and materials
- Type: direct fit
- Body material: stainless steel
- Substrate material: ceramic
- Condition: New
- Emissions: EPA compliant for OBDII vehicles, 1996 and newer; not CARB certified; not legal for sale or use in California and Colorado
- Walker warranty: 25,000 miles/40,000 km on emissions; 5 years/50,000 miles (80,000 km) on structural integrity
- Country of origin: United States
Interchange: 079-3117
641177 · 1039 · 52080356AA · 52080356AB · 52101091AB · 52101236AB · 52101311AB · 20390 · 24507 · 49744
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
641177, 079-3117, 1039, 52080356AA, 52080356AB, 52101091AB, 52101236AB, 52101311AB, 20390, 24507, 49744
Frequently Asked Questions
Is the Walker Exhaust 54447 a catalytic converter replacement for the 1999-2004 Jeep Grand Cherokee 6-cylinder 4.0L?
Yes. Walker Exhaust 54447 is a front, direct-fit catalytic converter for the 1999-2004 Jeep Grand Cherokee 6-cylinder 4.0L, and that vehicle takes one.
What size are the inlet and outlet on the Walker 54447 converter?
Walker Exhaust 54447 has a 2.125 in inlet (ID) with a 2-bolt loose flange and spherical flare. The outlet is 2.5 in (ID and OD) with a pipe connection.
Is the Walker Ultra EPA converter CARB certified?
No. This converter is EPA compliant for OBDII vehicles, 1996 and newer, but it is not CARB certified and is not legal for sale or use in California and Colorado.
Does a failing front catalytic converter turn on the check engine light?
It can. A converter that no longer cleans exhaust well can set emissions codes, and a rattle from the exhaust or weak power can be other signs.
What warranty comes with the Walker Ultra EPA 54447?
Walker backs the Ultra EPA 54447 for 25,000 miles/40,000 km on emissions and for 5 years/50,000 miles (80,000 km) on structural integrity.
