MagnaFlow's OEM Grade converter replaces the passenger side converter and pipe assembly on the 4.2L V6 and bolts into the factory location without cutting or welding. The clam-shell body carries an attached aluminized steel heat shield over a ceramic substrate, built from 16 gauge 409 stainless steel tubing with 308 stainless steel MIG welds. It runs 49.75 in overall with a flange inlet, a pipe connection outlet, and no oxygen sensor ports. This converter is built to Federal EPA standards and is not legal for sale or installation in California, Colorado, or New York.
Specifications
| Type | OEM Grade direct-fit catalytic converter |
| Position | Right (passenger side) |
| Material | 16 gauge 409 stainless steel tubing, 308 stainless steel MIG welds |
| Body | Clam-shell stainless with attached aluminized steel heat shield |
| Substrate | Ceramic |
| Overall Length | 49.75 in |
| Inlet / Outlet | Flange / pipe connection |
| Oxygen Sensor Ports | 0 |
| Emissions | Federal EPA compliant (49-state). Not CARB certified; not legal for sale or installation in California, Colorado, or New York |
| Included Hardware | None; gaskets, clamps, and hangers are not supplied |
| Quantity | 1 |
| Pairs With | MagnaFlow 51787, the driver side converter for the same application |
| OEM Replacement | 1L3Z-5E212-AA, 2L3Z-5E212-AA |
| Part Number | 51301 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2003 | Ford | F-150 | XL |
| 2001-2003 | Ford | F-150 | XLT |
| 2004 | Ford | F-150 Heritage | XL |
| 2004 | Ford | F-150 Heritage | XLT |
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
