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DHD 300-12624683 Passenger Side Exhaust Manifold w/Heat Shield 2001-2016 Duramax

300-12624683 - 3B
Limited Supply: only 5 remaining
Was: $205.00
Sale: $165.00
Save: 20%
Save: $40.00

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DHD's Replacement Passenger Side Exhaust Manifold Kit is perfect for replacing your cracked, damaged or severely rusted manifold.  Its not uncommon to have hardware break off in the manifold during engine service. Save time and struggle by replacing the manifold. Best of all, our manifold comes standard with the heat shield, gaskets and hardware to do the job! 


  • (1) Multi-Layer Stainless Steel Manifold Gasket
  • (1) Multi-Layer Stainless Steel Up Pipe Gasket
  • (1) Passenger OE Replacement Manifold
  • (1) Passenger Heat Shield and Hardware
  • (3) DHD Large Flange Up Pipe Bolts
  • New Grade 10.9 DHD Manifold Hardware with Stainless ARP Washers

Note: DHD's supplied hardware is designed to eliminate the factory exhaust manifold studs which are often to rusty or damaged to reuse.


2001-2016 Chevrolet/GMC 6.6L Duramax.

RH Side

Passenger Side

Compare to:

GM 12624683

Dorman 674-736

Need the Drivers Side Manifold Too? See DHD 300-12637647.



Shipping Information

  • Item Requires Shipping
  • 15.0 lbs.
  • W24.0000” x H6.0000” x L6.0000”
  • Free Shipping

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