Dorman 678-522 Rear Pre-Converter - CARB Compliant 09-14 Nissan Maxima
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$1,063.54
Select your vehicle at the top of the page to check fitment.
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.
- Direct replacement - this catalytic converter is designed to match the fit and performance of the original equipment on specific vehicles
- Durable construction - manufactured within strict tolerances for reliable longevity
- Cost-effective solution - offers original equipment functionality at a competitive price
- Trustworthy value - backed by team of engineers and quality control experts in the United States
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2014 | Nissan | Maxima | Rear | CARB Compliant: Yes; CARB Executive Order Number: D-798-9; 3.5L V6; Engine Family Number (EFN) ENSXV03.5G7B |
| 2013 | Nissan | Maxima | Rear | CARB Compliant: Yes; CARB Executive Order Number: D-798-9; 3.5L V6; Engine Family Number (EFN) CNSXV03.5G7B |
| 2012 | Nissan | Maxima | Rear | CARB Compliant: Yes; CARB Executive Order Number: D-798-9; 3.5L V6; Engine Family Number (EFN) DNSXV03.5G7B |
| 2011 | Nissan | Maxima | Rear | CARB Compliant: Yes; CARB Executive Order Number: D-798-9; 3.5L V6; Engine Family Number (EFN) BNSXV03.5G7B |
| 2010 | Nissan | Maxima | Rear | CARB Compliant: Yes; CARB Executive Order Number: D-798-9; 3.5L V6; Engine Family Number (EFN) ANSXJ03.5G7A |
| 2009 | Nissan | Maxima | Rear | CARB Compliant: Yes; CARB Executive Order Number: D-798-9; 3.5L V6; Engine Family Number (EFN) 9NSXV03.5G7A |
Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Dorman |
|---|---|
| Part Number | 678-522 |
| UPC | 194883073630 |
| Placement | Rear |
| Material | Stainless Steel |
| Mounting Hardware Included | Yes |
| Finish | Uncoated |
| Tube Material | Ceramic |
| Inlet Type | Flanged |
| Outlet Type | Flanged |
| Inlet Inside Diameter | 2.69 in. |
| Body Height | 4 in. |
| Body Length | 4 in. |
| Body Width | 6 in. |
| Heat Shield Attached | Yes |
| Inlet Quantity | 1 |
| Body Material | Stainless Steel |
| Outlet Inside Diameter | 2 in. |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | Yes; No |
| Substrate Material | Ceramic |
| Inlet Outside Diameter | 3 in. |
| Outlet Outside Diameter | 6.1 in. |
| Clamps Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Standard Replacement |
| Body Shape | Round |
| Package Quantity | 1 |
| Inlet Mounting Hole Quantity | 4 |
| Gasket Or Seal Included | Yes |
| Inlet Mounting Hardware Included | No |
| Outlet Mounting Hole Quantity | 3 |
| Overall Length | 6 in. |
| Air Tube Count | 0 |
| Sensor Port Count | 1 |
| Outlet Gasket Included | Yes |
| Heat Shield Material | Aluminum |
| Inlet Orientation | Angled |
| Outlet Orientation | Straight |
| Air Tube Adaptable | No |
| California Air Resources Board Approved | Yes |
| CARB Compliant | Yes |
| CARB Executive Order Number | D-798-9 |
| Color | Metallic Gray |
| Converter Body Length | 4 in |
| Converter Body Material | Stainless Steel |
| Exhaust Manifold Inlet Port Shape | Round |
| Inlet Port Shape | Round |
| Installation Hardware Included | Yes |
| Item Grade | Standard Replacement |
| Outlet Port Shape | Round |
| Package Contents | 1 Converter Assembly; 1 Inlet Gasket; 1 Outlet Gasket; 3 Studs; 3 Bolts; 3 Washers |
| Tube Wall Thickness | 0.125 in |
| Type | One-Piece |
| Country of Origin | United States |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 208A29N90A | Nissan (OE) |
|---|---|
| 208A24RA0A | Nissan (OE) |
| 551129 | Interchange |
| 771385 | Interchange |