Replaces

2007-2007 Chevy Silverado 3500 Classic Exhaust Manifold & Gasket Kit with for V8 6.0L Passenger Side

This part replaces:

  • DORMAN 674-732
  • OE # 12616286
  • HOLLANDER 327-00167

  • New

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.

Specifications:

  • Fits the RH (Passenger Side)
  • Includes:
    • (1) Exhaust manifold
    • (1) Gaskets (manifold to cylinder head)
    • (1) Gasket (manifold to exhaust pipe)
    • (3) Studs (manifold to exhaust pipe flange)
    • (3) Nuts (manifold to exhaust pipe flange)
  • Replaces dealer part numbers: 12616286
  • Direct replacement
  • Replaces original manifolds that are cracked from thermal expansion and contraction
  • Strengthened and redesigned in the vulnerable areas of failure
  • Manifold may look different than original
    • Manifold has hump where the EGR valve tube used to bolt to
    • It is not drilled or tapped for this provision

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. Please keep your invoice for proof of this warranty.

  1. Removing the Air Intake Hose (0:48 in the video)
    • Loosen the air intake hose clamps with a flat blade screwdriver
    • Unclip the intake hose from the radiator hose
    • Pull the intake hose up and out
  2. Removing the Exhaust Manifold (1:27 in the video)
    • Remove the 15mm bolt from the dipstick tube
    • Pull the dipstick tube up and out
    • Pull out on the spark plug wires
    • Remove the 10mm bolts along the exhaust manifold
    • Leave one 10mm bolt on either end, and one in the middle halfway in
    • You may have to use a piece of pipe for extra leverage
    • Spray the three 15mm nuts on the exhaust flange on both sides with penetrating oil
    • Remove the 15mm nuts from the exhaust flange on both sides
    • Remove the 10mm bolts holding the exhaust manifold in place
    • Pull the exhaust manifold up and out
    • Pull off the gasket
  3. Preparing the Exhaust Manifold (4:00 in the video)
    • Take the ring off the old manifold and place it onto the new one
    • Twist in the studs and tighten them with pliers
    • Use a hammer and vice grip pliers to remove any broken bolts
    • Use a wire brush to clean the head that will mount the exhaust manifold
  4. Replacing the Exhaust Manifold (4:55 in the video)
    • Slide the manifold down into place
    • Place the gasket between the manifold and the head
    • Place the 10mm bolts in and tighten them preliminarily
    • Put the exhaust flange in place, replace the 15mm nuts, and tighten them preliminarily
    • Tighten the 10mm bolts along the top of the exhaust manifold
    • Torque the 10mm bolts to 40 ft/lbs - Start with the center ones and work your way out
    • Tighten up the exhaust flange nuts the rest of the way for both sides
    • Feed the dipstick tube back into place
    • Replace the 15mm bolt from the dipstick tube
    • Replace the spark plug wires
  5. Reinstalling the Air Intake Hose (8:06 in the video)
    • Push the intake hose into place
    • Tighten the intake hose clamps with a flat blade screwdriver
    • Double check all the harnesses and hoses

Tools needed for replacement:

    Materials, Fluids, and Supplies

  • Penetrating Oil

  • Pliers, Cutters & misc Wrenches

  • Needle nose pliers
  • Pipe Wrench

  • Ratchets & Related

  • Ratchet
  • Socket Extensions
  • Torque Wrench

  • Sockets - Metric

  • 10mm Socket
  • 15mm Socket

  • Specialty Tools

  • Jack Stands
  • Wire Brush

How-to Video:

(08:49 min)

Tools List:

    Materials, Fluids, and Supplies

  • Penetrating Oil

  • Pliers, Cutters & misc Wrenches

  • Needle nose pliers
  • Pipe Wrench

  • Ratchets & Related

  • Ratchet
  • Socket Extensions
  • Torque Wrench

  • Sockets - Metric

  • 10mm Socket
  • 15mm Socket

  • Specialty Tools

  • Jack Stands
  • Wire Brush



This part replaces:

  • DORMAN 674-732
  • OE # 12616286
  • HOLLANDER 327-00167

Vehicle Fit

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$110.95
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List: $246.00 Save: $135.05
Part #: 1AEEM00657

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"Thanks for the fast reliable service. Great price, and the headlights were as good as oem or better!!! Keep up the good work..."
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