What does the +0.50mm sizing mean for these bearings?

The +0.50mm sizing indicates that these bearings are intended for use when the crankshaft journals have been machined down by 0.50mm. This is a common practice during engine rebuilds to ensure proper oil clearance with a worn or resurfaced crankshaft.

What material are these main bearings made from?

These main bearings are made from a bimetal material that features an aluminum silicon base. This type of construction is chosen for its good wear resistance and ability to handle the loads and temperatures found in an engine's main bearing system.

Are these bearings a direct replacement for all 2003-2006 Porsche Cayenne models?

These bearings are a direct fit for the 2003-2006 Porsche Cayenne models equipped with the M 48.00 or M 48.50 engine. It's important to confirm your specific engine code before ordering to ensure compatibility.

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Specifications

Brand: King Engine Bearings
Part #: MB5790SI0.5
UPC: 611500591969

King Engine Bearings Porsche M 48.00/M 48.50 (Size +0.50mm) Main Bearing Set

Name: King Engine Bearings Porsche M 48.00/M 48.50 (Size +0.50mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-porsche-m-48-00-m-48-50-size-0-50mm-ma-t14-770977
Price: 75.38 USD
Availability: BackOrder

$75.38

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Fits 2003-2006 Porsche Cayenne. King Engine Bearings main bearing set for M 48.00/M 48.50 engines, sized +0.50mm.

Key Features

Fits 2003-2006 Porsche Cayenne.
Main bearing set for Porsche M 48.00/M 48.50 engines.
Size is +0.50mm, for use with machined crankshaft journals.
Constructed from a bimetal aluminum silicon base material.

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About this part

Product Details

This is a main bearing set from King Engine Bearings, specifically made for the 2003-2006 Porsche Cayenne with the M 48.00 or M 48.50 engine. These bearings are a critical part of your engine's rotating assembly, supporting the crankshaft and ensuring it spins smoothly within the engine block. They are constructed from a bimetal material with an aluminum silicon base, which is a well-known choice for its durability and performance in high-stress engine environments.

This particular set is sized at +0.50mm, meaning it's intended for use when the crankshaft journals have been machined down by 0.50mm during an engine rebuild or repair. Using the correct bearing size is essential for maintaining proper oil clearance, which is vital for lubrication and preventing premature wear. King Engine Bearings is a popular choice for engine builders looking for reliable components.