Warranty & Shipping
Product Reviews
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.

4.00/ 5.0
5 Stars
4 Stars
3 Stars
2 Stars
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
Will this fit my car? Add a vehicle to make sure
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
No questions have been asked about this item.
Year Make Model Description
2000-2005Cadillac Deville Cadillac Deville Intake Plenum Coupling V8 4.6L Dorman 911-010
2000Cadillac Eldorado Cadillac Eldorado Intake Plenum Coupling V8 4.6L Dorman 911-010
2000-2004Cadillac Seville Cadillac Seville Intake Plenum Coupling V8 4.6L Dorman 911-010
2001-2003Oldsmobile Aurora Olds Aurora Intake Plenum Coupling V8 4.0L Dorman 911-010
2004-2005Pontiac Bonneville Pontiac Bonneville Intake Plenum Coupling V8 4.6L Dorman 911-010
Part #: 1AEMX00079

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

Brand #: 911-010