/live/media/MG/MG_4551020_Fro.jpg)
OE Quality
60-Day Returns
MagnaFlowPart #: 4551020
MagnaFlow 4551020 Catalytic Converter
5 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$1,046.19Free 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
Direct-Fit CALIFORNIA OBDII CONVERTERS
Fitment: Acura and Honda, MDX and Pilot
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? See all Catalytic Converter options
MagnaFlow 4551020 Catalytic Converter
| Brand | MagnaFlow |
|---|---|
| Part Number | 4551020 |
| Position | Direct-Fit CALIFORNIA OBDII CONVERTERS |
| Mounting Hardware Included | Yes |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Tube Material | Stainless steel |
| Inlet Type | Bolt-on |
| Outlet Type | Bolt-on |
| Heat Shield Attached | No |
| Body Material | Stainless steel |
| Substrate Material | Ceramic |
| Overall Length | 16.875 |
| Air Tube Count | 0 |
| Sensor Port Count | 1 |
| Air Tube Adaptable | No |
| Clamp Included | No |
| Converter Quantity | 1 |
| Finish | Stainless steel |
| Gasket Included | Yes |
| Hangers Included | No |
| Heat Shield Material | None |
| Main Piping Diameter | 2 |
| Oxygen Sensor Location | Midbed |
| Type | Direct-fit |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Honda | Pilot | 3.5L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-145; Engine Family Number 4HNXT03.5DAT; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2004 | Honda | Pilot | 3.5L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-145; Engine Family Number 4HNXT03.5EA6; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2003 | Honda | Pilot | 3.5L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-145; Engine Family Number 3HNXT03.5EA5; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2002 | Acura | MDX | 3.5L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-145; Engine Family Number 2HNXT03.5KYT; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2001 | Acura | MDX | 3.5L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-145; Engine Family Number 1HNXT03.5K86; Direct-Fit CALIFORNIA OBDII CONVERTERS |
* 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:
18160-PGK-L0018160-PVF-A00
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.