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Dorman 674-312 Front Catalytic Converter with Integrated Exhaust Manifold for Specific Chrysler / Jeep Models (Non-CARB Compliant)

Dorman 674-312 Front Catalytic Converter with Integrated Exhaust Manifold for Specific Chrysler / Jeep Models (Non-CARB Compliant)

Best price now

$380.95at Newparts.comChecked 16 h ago

30% under what the other stores charge

Compared across 15 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Last seen at $380.95 at Newparts.com on Nov 13.
  • Checked at 15 stores.

Our take on the Dorman 674-312 Front Catalytic Converter with Integrated Exhaust Manifold for Specific Chrysler / Jeep Models (Non-CARB Compliant)

The Dorman 674-312 is a front catalytic converter with an integrated exhaust manifold, built as a direct-fit replacement for specific Chrysler and Jeep vehicles. Combining the manifold and cat into one unit cuts installation work compared with replacing them separately. It is not CARB compliant, so it suits owners in states or uses that follow federal emissions rules, not California or CARB-adopting states. It is a repair part rather than an upgrade, and its value rests on fitment and emissions legality rather than performance gains.

Best forOwners of the listed Chrysler and Jeep models with a cracked or clogged originalFederal-emissions states where CARB compliance is not requiredDrivers who want a one-piece manifold-and-cat replacement instead of two separatRepairs where matching original fit matters more than added performance
Pros
  • Integrated manifold and converter in one assembly
  • Designed as a direct replacement for original equipment fit
  • Precision-engineered for specific vehicle years, makes and models
  • Fewer joints to seal than separate manifold and converter parts
Cons
  • Not CARB compliant, so it cannot be used in California or CARB-adopting states
  • Fits only the specific Chrysler and Jeep applications it is engineered for
  • No performance or emissions upgrade over the original part
  • Off-white finish and 14-inch size are the only listed specs, so buyers must confirm application by vehicle

Dorman 674-312 Front Catalytic Converter with Integrated Exhaust Manifold for Specific Chrysler / Jeep Models (Non-CARB Compliant) prices at every store

  • Newparts.comNew

    In stock

    $380.95Checked 16 h ago
    Visit Newparts.com
  • Summit RacingNew

    In stock

    $404.99Free shippingChecked 16 h ago
    Visit Summit Racing
  • WalmartNew

    In stock

    $421.75Free shippingChecked 16 h ago
    Visit Walmart
  • CarParts.comNew

    In stock

    $459.99Free shippingChecked 16 h ago
    Visit CarParts.com
  • AutoZoneNew

    In stock

    $457.59+ $4.99 shippingChecked 16 h ago
    Visit AutoZone
  • eBayNew

    In stockSold by autobuffy

    $541.95Free shippingChecked 16 h ago
    Visit eBay
  • USAutopartsCar.comNew

    Availability unknown

    $444.63Checked 16 h ago
    Visit USAutopartsCar.com
  • PartCatalog.comNew

    Availability unknown

    $497.63Checked 16 h ago
    Visit PartCatalog.com
  • CARiD.comNew

    Availability unknown

    $549.06Checked 16 h ago
    Visit CARiD.com
  • TRUCKiD.comNew

    Availability unknown

    $549.06Checked 16 h ago
    Visit TRUCKiD.com
  • FR SportNew

    Availability unknown

    $562.76Checked 16 h ago
    Visit FR Sport
  • Advance Auto PartsNew

    Availability unknown

    $589.99Checked 16 h ago
    Visit Advance Auto Parts
  • BuyAutoParts.comNew

    Availability unknown

    $636.41Checked 16 h ago
    Visit BuyAutoParts.com
  • eBayNew

    Availability unknownShips from the UK · duties may apply

    $636.41Checked 16 h ago
    Visit eBay
  • FinditParts.comNew

    Availability unknown

    $640.99Checked 16 h ago
    Visit FinditParts.com

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Dorman 674-312 Front Catalytic Converter with Integrated Exhaust Manifold for Specific Chrysler / Jeep Models (Non-CARB Compliant) price history

Lowest price we've seen: $380.95 on Nov 14 at Newparts.com. Tracked across 15 stores since Nov 14.

About the Dorman 674-312 Front Catalytic Converter with Integrated Exhaust Manifold for Specific Chrysler / Jeep Models (Non-CARB Compliant)

This is a Dorman OE Solutions front catalytic converter with an integrated exhaust manifold, also called a manifold converter. It is designed for specific Chrysler and Jeep models.

It is a direct replacement, built to match the fit and performance of the original equipment on specific vehicle years, makes and models. It is not CARB compliant.

Brand
Dorman (OE Solutions)
Part number
674-312
Type
Catalytic converter with integrated exhaust manifold
Position
Front
Fit
Specific Chrysler and Jeep models
Emissions
Not CARB compliant
Color
Off-White
Size
14.000

Specifications

color
Off-WhiteSource
size
14.000Source

Questions and answers

Is the Dorman 674-312 legal in California?
No. It is not CARB compliant, so it is not legal for California or other states that follow CARB emissions rules. It is intended for federal-emissions applications.
What does this part replace?
It replaces the front catalytic converter and exhaust manifold as one assembly on specific Chrysler and Jeep models. It is designed to match the original equipment fit and performance.
Do I need to replace the manifold and converter together?
Not always, but this part combines both. If your original manifold converter is cracked, clogged or leaking at the joint, replacing the assembly in one piece avoids mating a new converter to an old manifold.
Will it fit my vehicle?
It is engineered for specific vehicle years, makes and models, so check your exact application before buying. It is not a universal part.
Does it add power or improve emissions over stock?
No. It is a replacement for the original equipment, so expect stock-level performance and emissions, not an upgrade.
Where is the Dorman 674-312 Front Catalytic Converter with Integrated Exhaust Manifold for Specific Chrysler / Jeep Models (Non-CARB Compliant) cheapest?
At Newparts.com, for $380.95, 30% under what the other stores charge, as of our latest check.
Where can I buy the Dorman 674-312 Front Catalytic Converter with Integrated Exhaust Manifold for Specific Chrysler / Jeep Models (Non-CARB Compliant)?
14 stores we checked sell it, including Walmart, Newparts.com, Summit Racing, USAutopartsCar.com, AutoZone.

Stores we've priced the Dorman 674-312 Front Catalytic Converter with Integrated Exhaust Manifold for Specific Chrysler / Jeep Models (Non-CARB Compliant) at

  • Walmart deals and prices

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