2003-11 Exhaust Manifold with Gasket & Hardware Kit Dorman 674-903 - 1AEEM00812

Our aftermarket manifolds are some of the highest quality replacements on the market!

If your vehicle's exhaust is getting loud and the exhaust noise is coming from under the hood or engine then you may need to fix a cracked exhaust manifold. Replacing a broken manifold is easiest with a direct replacement manifold that will fit correctly and bolt up to you original engine and exhaust system. This manifold is a direct fitting replacement.


  • Fits the RH (Passenger Side) Bank
  • Direct replacement
  • Replaces original manifolds that are cracked from thermal expansion and contraction
  • Strengthened and redesigned in the vulnerable areas of failure

Now you can buy a high quality exhaust manifold that is built to strict quality control standards for less than the price at the dealer. REPLACE your broken, warped, or cracked exhaust manifold now with this great fitting, alternative. This exhaust manifold is a great replacement and has substantial cost savings over a dealer unit.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

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Vehicle Fit

Year Make Model Description
2003-2011Ford Crown Victoria Ford Crown Victoria Exhaust Manifold with Gasket & Hardware Kit Passenger Side Dorman 674-903
2003-2011Lincoln Town Car Lincoln Town Car Exhaust Manifold with Gasket & Hardware Kit Passenger Side Dorman 674-903
2003-2011Mercury Grand Marquis Mercury Grand Marquis Exhaust Manifold with Gasket & Hardware Kit Passenger Side Dorman 674-903

This part replaces:

  • OE # 3W7E9430AD
  • OE # 3W7E9430AC
  • OE # 3W7E9430AB
  • OE # 4W7E9430AB
  • OE # 4W7Z9430AA
  • OE # 4W7E9430AA
  • Dorman 674-903
  • Hollander 327-02058R
Only 2 left in stock
Part #: 1AEEM00812

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

Brand #: 674-903