MagnaFlow's California Grade converter is a CARB compliant replacement for the driver side converter and pipe assembly on the 3.7L V6, and it bolts into the factory location without cutting or welding. The spun body is built from 16 gauge 409 stainless steel tubing with 308 stainless steel MIG welds over a ceramic substrate, running 57 in overall with a flare flange inlet, a flange outlet, and two oxygen sensor ports located pre and post converter. A donut gasket, a Torca AccuSeal clamp, and OE sized barbed 410 stainless steel hangers are included. CARB Executive Order D-193-193 makes it legal for installation in all 50 states, and this converter is matched to engine family 4CRXT03.7NE0.
Specifications
| Type | California Grade CARB compliant direct-fit catalytic converter |
| Position | Left (driver side) |
| Material | 16 gauge 409 stainless steel tubing, 308 stainless steel MIG welds |
| Body | Spun stainless |
| Substrate | Ceramic |
| Overall Length | 57 in |
| Inlet / Outlet | Flare flange / flange |
| Oxygen Sensor Ports | 2 (pre and post converter) |
| Hangers | Included, OE sized barbed 410 stainless steel |
| Emissions | CARB compliant, Executive Order D-193-193; New York certified; legal in all 50 states |
| Engine Family Number | 4CRXT03.7NE0 |
| Included Hardware | (1) donut gasket, (1) Torca AccuSeal clamp |
| Quantity | 1 |
| Part Number | 5451582 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004 | Jeep | Liberty | Limited |
| 2004 | Jeep | Liberty | Renegade |
| 2004 | Jeep | Liberty | Sport |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
