Dorman 679-517 Catalytic Converter - Rear

Brand Dorman 679-517
Position Rear
Outlet Outside Diameter 3.7
Universal Or Specific Fit Specific
Grade Type Regular
Body Shape Cylinder
Inlet Type Flanged
Outlet Type Flanged
Inlet Inside Diameter 3.48
Body Length 4
Body Width 3.88
Heat Shield Attached No
Inlet Quantity 1
Body Material Stainless steel
Outlet Inside Diameter 1.78
Outlet Quantity 1
California Air Resources Board (CARB) Certified No
Substrate Material Ceramic
Inlet Mounting Hole Quantity 3
Inlet Mounting Hole Quantity 6
Inlet Gasket Included Yes
Inlet Mounting Hardware Included Yes
Outlet Mounting Hole Quantity 3
Outlet Gasket Included Yes
Outlet Mounting Hardware Included Yes
Overall Length 9.25
Air Tube Count 6
Sensor Port Count 0
Color Natural
Exhaust Manifold Inlet Port Shape Round
Installation Hardware Included Yes
Item Grade Standard replacement
Fits Nissan · 11 vehicles

Standard replacement. Precision-engineered for original equipment fit and function.

Stainless steel body. Corrosion-resistant construction for dependable exhaust service.

Ceramic substrate. Helps support efficient exhaust gas conversion.

Cross-references Dorman - HELP 49322 and 208A27Y60A for the same application. See all 2.

$323.23Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $323.23
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Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 679-517 Rear Catalytic Converter

Dorman 679-517 is a specific-fit catalytic converter for select Nissan rear exhaust applications. It is built to match original equipment fit and function for direct replacement on the listed Nissan Quest, Altima, and Maxima models.

Key Features

  • Specific-fit catalytic converter for confirmed rear applications
  • Stainless steel body with a cylindrical housing
  • Ceramic substrate material
  • Flanged inlet and outlet connections for OE-style mounting
  • Includes inlet gasket, outlet gasket, and installation hardware
  • No sensor ports and no heat shield attached
  • Standard replacement grade

Detailed Description

This Dorman catalytic converter, part number 679-517, is engineered for direct replacement on select Nissan exhaust systems. It is listed for the rear position on 2004-2009 Nissan Quest, 2005-2006 Nissan Altima, and 2004-2006 Nissan Maxima. The design uses a stainless steel body, ceramic substrate, and flanged inlet and outlet connections to follow the original equipment layout on these applications. This part cross-references Dorman - HELP 49322 for the same application.

What It Helps Address

  • Failed or restricted rear catalytic converter flow
  • Exhaust leaks at the converter flange connections
  • Check engine light concerns related to converter efficiency on the listed vehicles
  • Rattling or damaged converter housing on the rear exhaust section
  • Replacement needs after corrosion or internal substrate breakdown

Installation Notes

Verify the rear position and match the inlet and outlet flange dimensions before installation. This converter includes inlet and outlet gaskets plus mounting hardware, which supports a direct replacement process on the specified Nissan Quest, Altima, and Maxima applications. Confirm exhaust alignment and inspect adjoining pipes, flanges, and fasteners for wear before final tightening.

Quality Assurance

Dorman 679-517 is a standard replacement catalytic converter built to match OE fit and function on the listed vehicles. It is not CARB certified.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
2009NissanQuest3.5LV6RearCARB Compliant: No
2008NissanQuest3.5LV6RearCARB Compliant: No
2007NissanQuest3.5LV6RearCARB Compliant: No
2006NissanAltimaAutomatic3.5LV6RearCARB Compliant: No
2006NissanMaximaAutomatic3.5LV6RearCARB Compliant: No
2006NissanQuestAutomatic3.5LV6RearCARB Compliant: No
2005NissanAltimaAutomatic3.5LV6RearCARB Compliant: No
2005NissanMaximaAutomatic3.5LV6RearCARB Compliant: No
2005NissanQuestAutomatic3.5LV6RearCARB Compliant: No
2004NissanMaximaAutomatic3.5LV6RearCARB Compliant: No
2004NissanQuestAutomatic3.5LV6RearCARB Compliant: No
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 49322208A27Y60A