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The Importance and Function of Engine Bearings

Engines primarily rely on oil for lubrication, but that’s not the only way they minimize friction and heat. They also employ various engine bearings that reduce resistance while running at thousands of revolutions per minute. When these bearings age or fail, they can lead to catastrophic engine damage.

Most engines have the same types of bearings, starting with the main crankshaft bearings, which sit at the front and rear of the crankshaft inside the engine. Next are the connecting rod bearings, where the connecting rods attach to the crankshaft. The piston head bearings reduce resistance where the pistons connect to the top of the connecting rods. Finally, the camshaft bearings reduce friction from the camshaft spinning inside the engine.

If an engine bearing starts failing, you may hear a faint grinding sound from inside the engine. As the bearing gets worse, the noise will get louder. Eventually, the bearing can fail, leading to excessive friction and damaging internal engine components.

Because engine bearings play such a key role, replacing them the moment they start making noise is important.

Get Genuine Replacement Engine Bearings at AutoNation Parts

Do you have a failing engine bearing? If so, replace it with high-quality parts that will operate as expected and last many years. AutoNation Parts has a large collection of engine bearings for all makes and models.

On top of offering high-quality replacement parts, AutoNation Parts also saves you time with convenient online ordering and direct shipment to your front door.

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55514335 - : Main Bearings for GM Image

Main Bearings

GM 55514335
Encore GX. Upper. Journal 3. 2.422-2.428. Trailblazer. Bearing. 2.422mm - 2.428mm. Engine Crankshaft Thrust Washer.
$7.87
MSRP $10.71
Save $2.84
26.5% Off
88969559 - : Engine Connecting Rod Bearing for GM Image

Engine Connecting Rod Bearing

GM 88969559
Vibe. 1.486-1.490mm thick. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors...
$30.48
MSRP $42.44
Save $11.96
28.2% Off
55514337 - : Main Bearings for GM Image

Main Bearings

GM 55514337
Encore GX. Upper. Journal 3. 2.434-2.440. Trailblazer. Bearing. 2.434mm - 2.440mm. Engine Crankshaft Thrust Washer.
$7.87
MSRP $10.71
Save $2.84
26.5% Off
88974289 - : Bearings for GM Image

Bearings

GM 88974289
Prizm. Stamped 3. Vibe. 1.494-1.498mm thick. Engine Connecting Rod Bearing.
Not For Sale
12663475 - : Crankshaft Upper Bearing for GM Image

Crankshaft Upper Bearing

GM 12663475
Silverado, sierra. Journals 3 & 5. CT4. Upper. Main 5. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$3.79
MSRP $5.16
Save $1.37
26.6% Off
88971104 - : Gear Housing Guide for GM Image

Gear Housing Guide

GM 88971104
Engine Crankshaft Main Bearing.
$11.34
MSRP $15.42
Save $4.08
26.5% Off
12674807 - : Connecting Rod Bearing for GM Image

Connecting Rod Bearing

GM 12674807
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Engine Connecting Rod...
$7.71
MSRP $10.49
Save $2.78
26.5% Off
55487304 - : Balancer Shaft Front Bearing for GM Image

Balancer Shaft Front Bearing

GM 55487304
XT4. CT5. CT4. CT6. Part of balance shaft. XT5. Acadia. Blazer. This GM Genuine Part is designed, engineered, and tested to rigorous...
$3.32
MSRP $4.50
Save $1.18
26.2% Off
12668646 - : Crankshaft Thrust Bearing for GM Image

Crankshaft Thrust Bearing

GM 12668646
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Engine Crankshaft Main...
$38.42
MSRP $53.49
Save $15.07
28.2% Off
55588335 - : Connecting Rod Bearing for GM Image

Connecting Rod Bearing

GM 55588335
Equinox, Terrain. Std. Cruze. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$32.62
MSRP $45.42
Save $12.80
28.2% Off
55568531 - : Engine Connecting Rod Bearing Set for GM Image

Engine Connecting Rod Bearing Set

GM 55568531
Encore. Sonic. Trax. Standard. Cruze, Cruze Limited. Volt. ELR. This GM Genuine Part is designed, engineered, and tested to rigorous...
$15.23
MSRP $20.72
Save $5.49
26.5% Off
24503193 - : Engine Balance Shaft Rear Bearing for GM Image

Engine Balance Shaft Rear Bearing

GM 24503193
Riviera. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Engine Balance...
$13.75
MSRP $18.70
Save $4.95
26.5% Off
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