What material are these main bearings made from?

These main bearings are made from a bimetal material that has an aluminum silicon base. This construction is chosen for its ability to handle engine heat and wear.

What does the '+0.75mm' sizing mean for this bearing set?

The '+0.75mm' indicates that these bearings are 0.75 millimeters larger than standard size. They are intended for use when the engine's main crankshaft journals have been machined down to this specific undersize.

What is the primary function of main bearings in an engine?

Main bearings support the crankshaft within the engine block, allowing it to rotate smoothly. They are critical for maintaining proper crankshaft position and reducing friction.

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Specifications

Brand: King Engine Bearings
Part #: MB5790SI0.75
UPC: 611500599538

King Engine Bearings Porsche M 48.00/M 48.50 (Size +0.75mm) Main Bearing Set

Name: King Engine Bearings Porsche M 48.00/M 48.50 (Size +0.75mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-porsche-m-48-00-m-48-50-size-0-75mm-ma-t14-770978
Price: 75.38 USD
Availability: BackOrder

$75.38

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2003-2006 Porsche Cayenne. This main bearing set features bimetal aluminum silicon construction for reliable engine performance.

Key Features

Fits 2003-2006 Porsche Cayenne.
This is a main bearing set.
Features bimetal construction with an aluminum silicon base.
The set is sized +0.75mm, suitable for machined crankshaft journals.

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About this part

Product Details

This main bearing set from King Engine Bearings includes the necessary components to replace the main bearings in your 2003-2006 Porsche Cayenne. These bearings are crucial for supporting the crankshaft and ensuring it spins smoothly within the engine block. They are constructed from a bimetal material with an aluminum silicon base, offering a solid foundation for your engine's rotating assembly.

King Engine Bearings uses a bimetal construction with an aluminum silicon base for these main bearings. This material choice helps manage heat and wear, which is important for the longevity of your engine's crankshaft. The set is sized at +0.75mm, meaning it's intended for applications where the main journals have been machined to this specific undersize. Proper installation is key to ensuring these bearings perform as intended and protect your crankshaft.