Signs You May Need New Motor Mounts
Motor mounts take constant punishment. Heat, vibration, weight, and torque all work against them every day. Over time, even tough mounts break down.
One of the first warning signs is vibration. If the cab shakes more than it used to, mounts may be losing their ability to absorb movement. Clunking noises during starts or gear changes often point to loose or deteriorated mounts. Visual inspection may show cracked or crushed motor mount bushings, especially on high-mileage trucks.
Failing mounts also allow the engine to shift under load. That movement transfers stress into exhaust connections, cooling lines, and drivetrain components. Left unchecked, bad mounts can turn into expensive repairs. Replacing worn truck motor mounts keeps the engine aligned, reduces strain, and brings the truck back under control.
OEM and Aftermarket Motor Mount Options
Different jobs call for different solutions. OEM mounts are built to factory specifications and deliver consistent fit and vibration control for standard-duty use. They are a solid choice when maintaining original ride characteristics.
For tougher applications, aftermarket engine mounts offer added durability. Many aftermarket motor mounts use reinforced rubber or polyurethane materials that resist heat, oil exposure, and constant vibration. These mounts are built for severe-duty cycles where standard rubber may not last.
Choosing the right mount means knowing your setup. Engine type, chassis, and mount position all matter. A diesel engine mount must handle significant torque and weight, and the wrong choice can lead to premature failure. If you are searching for an engine mount for sale that can stand up to hard use, durability should always come first.
We stock proven brands trusted across the industry, including Paccar, Atro, Newstar, Metal Workz, Detroit Diesel, and Freightliner. These are mounts built for work, not shortcuts.
Why Buy Motor Mounts from Fitzgerald Truck Parts
Downtime costs money. Fitzgerald Truck Parts exists to keep trucks rolling. We supply motor mounts for sale that meet the demands of long hauls, heavy loads, and tough operating conditions.
Drivers, fleets, and shops rely on us for parts that fit right and hold up. We back that with fast shipping, competitive pricing, and knowledgeable support to confirm fitment before parts ever hit the truck. When it is time to replace mounts, you can order online and get back to work without delay.
We also stock the hardware that completes the job. Supporting components like brackets help keep installations solid and secure, so mounts do what they are designed to do.
If your engine is moving more than it should, it is time to tighten things up. Fitzgerald delivers the parts that keep heavy-duty engines locked in and ready for the next mile.
Engine Motor Mount FAQs
What does a motor mount do in a semi truck?
Motor mounts secure the engine to the frame while absorbing vibration and engine movement during operation.
How do I know if my motor mounts need to be replaced?
Signs include excessive vibration, clunking noises, visible cracking, or engine movement under load.
Do you carry motor mounts for Peterbilt and Kenworth trucks?
Yes. We stock mounts and bushings for Peterbilt, Kenworth, Freightliner, and other major truck brands.
Are polyurethane motor mounts better than rubber?
Polyurethane mounts offer increased durability and resistance to heat and wear, while rubber mounts provide greater vibration isolation.