Quiet the driveline shakes and keep your transmission planted with the Anchor Rear Transmission Mount 3284. This rear mount supports the transmission and dampens vibration, and it drops in as a direct-fit replacement for the 2003-2005 Ford Excursion, 2003-2007 Ford F-250 Super Duty, 2003-2007 Ford F-350 Super Duty, 2003-2007 Ford F-450 Super Duty, and 2003-2007 Ford F-550 Super Duty. See the Buyer's Guide tab for the full engine-level fitment.
- Supports & isolates: helps support and locate the powertrain at the rear position while damping vibration and limiting movement.
- OE-standard engineering: engineered and designed to OE standards using a CAD/CAM process for consistency and quality.
- Premium rubber: uses only natural and Styrene Butadiene rubber that resists wear and stays stable as it ages for long service life; Chemlock® bonding agent creates a strong rubber-to-metal bond.
- Application-tuned hardness: rubber is manufactured to a specific Durometer measurement based on the vehicle application. Any included fasteners are hardened steel with heat-treated Grade 5 bolts.
Signs this mount may need replacing include vibration at idle, and clunking on acceleration, deceleration, or shifting from cracked or separated rubber.
Interchange: A5558 · 4C3Z6068BA · 4630 · 4631 · EM4024
This part cross-references / interchanges with the following part numbers:
Manufacturer's Warranty: 12 Month Warranty.
Frequently Asked Questions
What does this mount do?
It is a rear transmission mount that helps support and locate the transmission while damping vibration and limiting powertrain movement.
Which vehicles does the Anchor 3284 fit?
It is a direct-fit replacement for the 2003-2005 Ford Excursion and the 2003-2007 Ford F-250, F-350, F-450, and F-550 Super Duty. See the Buyer's Guide tab for full details.
What are the signs of a worn transmission mount?
Common signs are vibration at idle and clunking on acceleration, deceleration, or shifting, often from cracked or separated rubber. Diagnose the cause before replacing.
Is this a front or rear mount?
This is the rear transmission mount for the listed applications.
What rubber and bonding does it use?
It uses only natural and Styrene Butadiene rubber tuned to an application-specific Durometer hardness, with a Chemlock® bonding agent for a strong rubber-to-metal bond.
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