Quiet the driveline and keep the transmission properly located with the Anchor Automatic Transmission Mount 3187, the LEFT-side mount that helps support and position the powertrain while isolating vibration. It installs as a direct-fit replacement for the 2008-2009 Buick Allure, 2008-2009 Buick LaCrosse, 2006-2009 Chevrolet Impala, 2006-2007 Chevrolet Monte Carlo, and 2005-2008 Pontiac Grand Prix — see the Buyer's Guide tab for the full engine-level details.
- Supports and dampens: holds the transmission in place and absorbs vibration to help limit powertrain movement.
- Engineered to OE standards: developed with CAD/CAM processes for consistent fit and quality.
- Durable rubber: natural and Styrene Butadiene rubber that resists wear and stays stable as it ages for long service life; durometer (hardness) is set to the vehicle application.
- Strong bond: Chemlock® bonding agent creates a superior rubber-to-metal bond. Any included fasteners are hardened, heat-treated Grade 5 steel bolts.
Signs this mount may need replacing include a clunk on acceleration, deceleration, or shifting, vibration felt at idle, and cracked or separated rubber. If a worn transmission mount is the cause, this replaces it.
Interchange: 6201765 · 10348602 · 315402 · A5402 · 605402 · A3187 · 3898 · 3965H · EM5661
This part cross-references / interchanges with the following part numbers:
Manufacturer's Warranty: 12 Month Warranty.
Frequently Asked Questions
What does this Anchor 3187 mount do?
It is the LEFT automatic transmission mount. It helps support and locate the transmission while isolating and dampening vibration to limit powertrain movement.
Which vehicles does it fit?
It's a direct-fit replacement for the 2008-2009 Buick Allure and LaCrosse, 2006-2009 Chevrolet Impala, 2006-2007 Chevrolet Monte Carlo, and 2005-2008 Pontiac Grand Prix. See the Buyer's Guide tab.
How do I know the mount is worn?
Common signs include a clunk on acceleration, deceleration, or shifting, vibration at idle, and cracked or separated rubber. Diagnose the cause before replacing.
What is the mount made of?
It uses natural and Styrene Butadiene rubber bonded to metal with Chemlock® bonding agent, with rubber hardness (durometer) set to the vehicle application.
Are mounting fasteners included?
Any included fasteners are hardened, heat-treated Grade 5 steel bolts. Consult the vehicle service information for the correct fasteners and whether they may be reused.
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