Pontiac Cadillac Olds Intake Plenum Coupling Dorman 911-010 - 1AEMX00079

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Vehicle Fit

This coupling mounts between the throttle body and the upper intake (plenum) manifold and is a common failure point. If this part tears, it will develop and intake leak. Some symptoms of an intake leak is rough / poor idle, stumbling, and error codes such as P0171, and P0174.


  • High quality rubber / plastic construction
  • Direct replacement
  • Replaces dealer part numbers: 12555840
  • Built to strict quality control standards

This coupler makes a great replacement and offers good cost savings over a dealer unit!

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer. For more information, go to

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.

4.50/ 5.0
2 reviews
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1 Star
This repair fixed the problem by replacing the intake boot but the individual intake runner gaskets were not an exact fit. Had to use an adhesive to hold them in place. Seems to be okay and do not have any intake leak so far.
November 27, 2017
intake plenum and gasket set
Excellent quality fast shipping and very affordable. Saved me lots in repair costs.would recommend this product and 1aauto.t
April 9, 2019
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Year Make Model Description
2000-2005Cadillac Deville Cadillac Deville Intake Plenum Coupling V8 4.6L
2000Cadillac Eldorado Cadillac Eldorado Intake Plenum Coupling V8 4.6L
2000-2004Cadillac Seville Cadillac Seville Intake Plenum Coupling V8 4.6L
2001-2003Oldsmobile Aurora Olds Aurora Intake Plenum Coupling V8 4.0L
2004-2005Pontiac Bonneville Pontiac Bonneville Intake Plenum Coupling V8 4.6L
Part 1AEMX00079
In Stock

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Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.

Brand #: 911-010