Quiet driveline shudder and keep the automatic transmission properly located with the Anchor Automatic Transmission Mount 3264, a rear-position mount that helps support the transmission and isolate its vibration from the chassis. It's a direct-fit replacement for the 2011-2016 Chevrolet Silverado 2500 HD, 2011-2016 Chevrolet Silverado 3500 HD, 2011-2016 GMC Sierra 2500 HD, and 2011-2016 GMC Sierra 3500 HD — see the Buyer's Guide tab for engine-level detail.
- Rear mount design: Supports the transmission and dampens vibration to help limit movement and noise transfer.
- Engineered to OE standards: Developed using a CAD/CAM engineering process for consistent quality.
- Durable rubber construction: Uses natural and Styrene Butadiene rubber that resists wear and stays stable as it ages for long service life; rubber is built to a specific Durometer (hardness) based on the vehicle application.
- Strong rubber-to-metal bond: Chemlock® bonding agent is used for a superior rubber-to-metal bond.
Any included fasteners are hardened steel with heat-treated Grade #5 bolts. Signs a mount may need replacing include vibration at idle, or a clunk on acceleration, deceleration, or shifting, along with cracked or separated rubber.
Interchange: 22739529 · A5644 · B3264 · 4769 · EM4159
This part cross-references / interchanges with the following part numbers:
Manufacturer's Warranty: 12 Month Warranty.
Frequently Asked Questions
What is the Anchor 3264 mount?
It's a rear-position automatic transmission mount that helps support the transmission and dampen vibration, keeping it located and isolating movement from the chassis.
Which vehicles does it fit?
It's a direct-fit replacement for the 2011-2016 Chevrolet Silverado 2500 HD and 3500 HD, and the 2011-2016 GMC Sierra 2500 HD and 3500 HD. Check the Buyer's Guide tab to confirm your engine.
How do I know my transmission mount is worn?
Common signs include vibration at idle, a clunk on acceleration, deceleration, or shifting, and visibly cracked or separated rubber. Diagnose the cause before replacing.
What is it made of?
It uses natural and Styrene Butadiene rubber built to an application-specific Durometer hardness, with a Chemlock® bonding agent for a strong rubber-to-metal bond.
Are mounting fasteners included?
Any included fasteners are hardened steel with heat-treated Grade #5 bolts. Consult the vehicle service information for the correct fasteners and whether they may be reused.
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