MAZDA Main Bearings

Main Bearings, AM-Series, 3/4 Groove, Standard Size, Bi Metal, Ford, 2.3, 2.5L, Set of 5

Part Number: KGB-MB5278AM

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Ford, 2.3, 2.5L, Set of 5

Part Number: KGB-MB5278AM025

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, AL Series, Stock, 1/2 Groove, Ford, Set

Part Number: CLE-MS2006A

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Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Ford, Mazda, 3.0L, Set of 4

Part Number: KGB-MB459SI

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Main Bearings, SI-Series, 3/4 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, 2.9, 4.0L, Set 4

Part Number: KGB-MB4023SI010

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Main Bearings, 3/4 Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB4023SI

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Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mitsubishi, 3.0L, Set of 4

Part Number: KGB-MB459SI025

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Estimated Ship Date: Jun 30, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Ford, 2.3, 2.5L, Set of 5

Part Number: KGB-MB5278AM075

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB4056SI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 29, 2026 if ordered today

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MAIN BEARING SET, FORD ECOBOOST 3.5L V6

Part Number: KGB-MB4549SI05

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Ford, 2.3, 2.5L, Set of 5

Part Number: KGB-MB5278AM05

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Ford, 2.0L, Set of 4

Part Number: KGB-MB5008SI025

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Main Bearings, King SI-Series Main Bearings, .030 in., .75 mm Crankshaft Undersize, Bi-Metal, Ford, Mazda, Sold as a Set of 5

Part Number: KGB-MB5442SI075

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Estimated Ship Date: Today

Main Bearing, Mazda B6/T, BP/T, ZL-VE, ZM-DE .010 Undersize, Set

Part Number: SUM-8353H010

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Main Bearing, Mazda B6/T, BP/T, ZL-VE, ZM-DE Standard Size, Set

Part Number: SUM-8353HS

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Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Ford, Kia, Mazda, Mercury, Set of 5

Part Number: KGB-MB5304AM025

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mitsubishi, 2.6L, Set of 5

Part Number: KGB-MB546AM025

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.020 in. Crankshaft Undersize, Mitsubishi, 2.6L, Set of 5

Part Number: KGB-MB546AM05

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Estimated Ship Date: Jun 29, 2026 if ordered today

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MAIN BEARING SET, FORD ECOBOOST 3.5L V6

Part Number: KGB-MB4549SI075

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mazda, 1.8, 2.0L, Set of 5

Part Number: KGB-MB5171AM025

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Engine Crankshaft Main Bearing Set 14-21 MAZ 2.5L/L

Part Number: EGN-BC3108STD

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Mazda, 2.0, 2.2L, Set of 5

Part Number: KGB-MB5225AM05

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Estimated Ship Date: Jun 30, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Mazda, 1.8, 2.0L, Set of 5

Part Number: KGB-MB5171AM075

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Estimated Ship Date: Jun 30, 2026 if ordered today

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Engine Crankshaft Main Bearing Set 89-94 MAZ 2.6L

Part Number: EGN-BC101125

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Estimated Ship Date: Apr 27, 2026 if ordered today

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