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OE Quality
60-Day Returns
WalkerPart #: 14663
Walker 14663 Catalytic Converter - Left
⚙️ 2 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$427.68Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦EPA, Left
🚗Fitment: Lincoln, Navigator
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Catalytic Converter options
Walker 14663 Catalytic Converter - Left
| Brand | Walker |
| Part Number | 14663 |
| Position | EPA, Left |
| Grade Type | Premium |
| Overall Length | 35.500 |
| Catalyst Type | Eco iii |
| Inlet Gasket Qty | None |
| Inlet Hardware | None |
| Inlet Type A | 2 bolt spinner |
| O2 Sensor Ports | 2 |
| Outlet Gasket Qty | None |
| Outlet Hardware | None |
| Outlet Type A | 2.5" od |
| Type | Federal / epa direct-fit undercar |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Lincoln | Navigator | 5.4L | V8 | Left | EPA |
| 2005 | Lincoln | Navigator | 5.4L | V8 | Left | EPA |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
52507
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.