Exhaust› Headers, Manifolds and Components

Dorman

EXHAUST MANIFOLD KIT

$106.28

SKU: D00I 674-479

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Dorman 674-479 is a replacement exhaust manifold designed to match the fit and function of the original part on specified vehicles. It is durably manufactured from cast iron for reliability and long-lasting performance, resisting warping, cracking, and leaking. This kit includes all necessary gaskets and downpipe hardware for a complete repair.
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EXHAUST MANIFOLD KIT
Vehicle Symptoms
  • Loud ticking noise from engine bay, especially when cold
  • Exhaust smell inside the cabin
  • Check Engine Light illuminated
  • Decreased engine power and acceleration
  • Ticking sound that gets faster with RPM
Diagnostic Codes
  • P0420 – Cat Sys Efficiency Below Threshold (B1)
  • P0171 – FT Malf (B1)
  • P0300 – Random or multiple cylinder misfire Det
Relevant Conversations
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  • P0171 code and exhaust leak diagnosis

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandDorman
Part NumberD00I 674-479
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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