What does '1.0mm undersize' mean for these bearings?

This means the bearings are designed to fit a crankshaft that has been machined down by 1.0mm. This is common during an engine rebuild if the original crankshaft has wear and needs to be reconditioned to a standard undersize.

What is the construction of these main bearings?

These bearings feature a bimetal construction, which uses an aluminum base. This type of construction is well-suited for handling the loads and temperatures found in an engine's main bearing journals.

Do these bearings come with installation instructions?

While this set includes the main bearings, it does not come with specific installation instructions. Always refer to your vehicle's factory service manual for the correct installation procedures, torque specifications, and oil clearance measurements.

Specifications

Brand: King Engine Bearings
Part #: MB5373AM1.0
UPC: 611500436352

King Engine Bearings Nissan Ga14DE/Ga16DE/Qg18DE (Size +1.0mm) Main Bearing Set

Name: King Engine Bearings Nissan Ga14DE/Ga16DE/Qg18DE (Size +1.0mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-nissan-ga14de-ga16de-qg18de-size-1-0mm-t14-770677
Price: 24.69 USD
Availability: BackOrder

$24.69

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Fits 1989-2006 Nissan Sentra. King Engine Bearings main bearing set, 1.0mm undersize, for Ga14DE, Ga16DE, and Qg18DE engines. Essential for engine rebuilds.

Key Features

Fits 1989-2006 Nissan Sentra, 1991-1993 Nissan NX, 1989-1990 Nissan Pulsar NX, and 1995-1998 Nissan 200SX.
Main bearing set for Nissan Ga14DE, Ga16DE, and Qg18DE engines.
Manufactured with a bimetal construction featuring an aluminum base.
This set is 1.0mm undersize, intended for use with a crankshaft machined to that specification.
Supports the crankshaft and handles engine loads during operation.

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About this part

Product Details

If you're rebuilding the engine in your 1989-2006 Nissan Sentra, especially one with a Ga14DE, Ga16DE, or Qg18DE engine, a fresh set of main bearings is critical. These bearings sit between the crankshaft and the engine block, supporting the rotating assembly and handling the immense forces generated during combustion. Without good bearings, you'll quickly face serious internal engine damage.

This set from King Engine Bearings uses a bimetal construction with an aluminum base, a well-built material that handles the demands of engine operation. They are manufactured to a 1.0mm undersize, meaning they are intended for crankshafts that have been machined down by 1.0mm during a rebuild. This ensures a proper fit and oil clearance on a reconditioned crank. King is a popular name in engine bearings, known for making solid options for rebuilders.

When you're putting an engine back together, getting the bearing clearances right is key to its longevity. Make sure to follow your engine's service manual for proper installation procedures and torque specifications.