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Dorman 678-521 2009-2014 Nissan Maxima Catalytic Converter
Dorman 678-521 2009-2014 Nissan Maxima Catalytic Converter
Dorman 678-521 2009-2014 Nissan Maxima Catalytic Converter
Dorman
SKU 678-521

Dorman 678-521 Pre-conveter - CARB Compliant

$830.99 USD
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Free US shipping on orders over $80
Warranty 5 Years

For the emissions control system, the Dorman 678-521 is a CARB-certified catalytic converter with stainless steel construction and ceramic substrate material. Measuring 9.2 inches overall in length with a body that is 4 inches in height and 3.87 inches in width, the 3.79-inch inlet diameter and 1.89-inch outlet diameter direct-fit converter matches original equipment specifications. The converter includes flanged inlet and outlet connections with angled inlet and straight outlet orientations, includes a post-converter oxygen sensor port, and comes with mounting hardware and gaskets for installation. Fits the 2009-2014 Nissan Maxima with the 3.5L V6.

Fits: 2009-2014 Nissan Maxima 3.5L V6

  • Material: Stainless Steel
  • Mounting Hardware Included: Yes
  • Finish: Natural
  • Tube Material: Stainless Steel
  • Inlet Type: Flanged
  • Outlet Type: Flanged
  • Inlet Inside Diameter: 3.79 IN
  • Body Height: 4 IN
  • Body Length: 4 IN
  • Body Width: 3.87 IN
  • Heat Shield Attached: No
  • Inlet Quantity: 1
  • Body Material: Stainless Steel
  • Outlet Inside Diameter: 1.89 IN
  • Outlet Quantity: 1
  • CARB Certified: Yes
  • Substrate Material: Ceramic
  • Inlet Outside Diameter: 4 IN
  • Outlet Outside Diameter: 4.4 IN
  • Application Type: Specific
  • Grade Type: Standard Replacement
  • Body Shape: Cylinder
  • Converter Quantity: 1
  • Inlet Mounting Hole Quantity: 6
  • Quantity: 2
  • Overall Length: 9.2 IN
  • O2 Sensor Ports: 1
  • Heat Shield Material: Stainless Steel
  • Inlet Orientation: Angled
  • Outlet Orientation: Straight
  • O2 Sensor Location: Post Converter
  • 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
  • Gasket Or Seal Included: Yes
  • Inlet Port Shape: Round
  • Installation Hardware Included: Yes
  • Item Grade: Standard Replacement
  • Outlet Port Shape: Round
  • Package Contents: 1 Converter Assembly
  • Tube Wall Thickness: 0.125 in
  • Type: Flanged

Weight: 9 lb

Country of Origin: United States

Product resources

Vehicle Fitment Fits 1 vehicle application (2009-2014).

Shipping Information

Free shipping is available for eligible orders.

Shipping: Free to the USA.

Orders are processed during normal business days. Delivery dates may vary by carrier and destination.

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$830.99