My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Dorman 674-978 Exhaust Manifold Catalytic Converter Not CARB Compliant

(1999-2002, 2004 Jeep Grand Cherokee Laredo; 1999-2004 Jeep Grand Cherokee Limited; 2003 Jeep Grand Cherokee Overland; 2004-2009 Toyota 4Runner + 1 more model)

Part of: Dorman Exhaust Manifold Catalytic Converter Non-CARB Compliant

Other options in this family: Dorman 674-927 Dorman 674-255 Dorman 674-137 Dorman 674-128 Dorman 674-955

Manufacturer

Picture for manufacturer Dorman

Part Number

674-978
19 reviews
Sale Price

$517.48

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Dorman 674-978 is a direct-fit exhaust manifold catalytic converter designed to replace worn or failed original equipment on specific vehicle applications. This manifold converter combines the exhaust manifold and catalytic converter into a single assembly, simplifying installation and reducing labor time.

Key Features:

  • Direct-fit design for specific vehicle applications
  • Integrated manifold and catalytic converter assembly
  • Engineered to meet OE fit and function requirements
  • Manufactured with durable materials for reliable performance
  • Includes necessary gaskets and hardware for installation
  • Not CARB compliant - not legal for sale or use in California

This manifold converter is designed as a cost-effective replacement solution for vehicles with failed or deteriorated original manifold converters. The integrated design helps restore proper exhaust flow and emissions control system function. Note that this part is not compliant with California Air Resources Board (CARB) regulations and cannot be used on vehicles registered in California or other states that have adopted California emissions standards.

Products specifications

Fits

1999-2002, 2004 Jeep Grand Cherokee Laredo; 1999-2004 Jeep Grand Cherokee Limited; 2003 Jeep Grand Cherokee Overland; 2004-2009 Toyota 4Runner; 2004-2009 Lexus GX470

Feature - Benefit 1

Includes heat-shield for protection of hoses, wiring, and other engine components

Feature - Benefit 2

Cast iron or stainless tubular construction protects against warping and/or cracking

Feature - Benefit 3

Leak-resistant for long-lasting performance

Feature - Benefit 4

A rigorous quality inspection has been undertaken to ensure that this part conforms to product standards

Inlet Gasket Included

Yes

Grade Type

Regular

California Air Resources Board (CARB) Certified

No

Outlet Mounting Hardware Included

Yes

Color

Natural

Inlet Port Shape

Round

Outlet Mounting Hole Quantity

10

Converter Body Material

Stainless Steel

Package Contents

Exhaust Manifold; Gaskets and Hardware

Im satisfied with your assistant

Like the free delivery and prices

it was good

quick and easy

Good description

good

It was good

This site is very easy to use and quick response

Got the tires I wanted in 2 days time.

Great,easy to use service!

never heard of this site before so i decided to order a small item, super fast shipping and great prices. when my shifter came in it was in perfect condition. i will be doing business with Autoplicity again.

good price

Very Convenient...Although this is only half the battle

Ok, I guess.

Autoplicity had a MSD Timing Twister that was discontinued and no one had in stock. I called 6 places before getting in touch with them. Ordered part and had it in a matter of days.

great

So far a great website with a great price and free shipping. Looking forward to receiving my order!

This was my first order with Autoplicity. Not only did they have the products I wanted at the lowest price, but they offered the best service and lightning fast shipping!!!

Very good price on item. Shipped and arrived in very good time. Good communication.

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy