BMW Main Bearings

Main Bearings, AM-Series, Alecular Silicon, Standard Size, BMW, 2.5L, 2.7L, 2.8L, Set of 5

Part Number: KGB-MB7039AM

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, BMW, 3.0, Set of 7

Part Number: KGB-MB7776SI

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, BMW, Sold as a Set of 7

Part Number: KGB-MB7776SI025

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Crankshaft Main Bearings BMW M20B20-23-25-27, M50B25, M52B20-25-28

Part Number: KGB-MB798AM

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, BMW, Sold as a Set of 7

Part Number: KGB-MB7776SI05

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Crankshaft Main Bearings BMW M20B20-23-25-27, M50B25, M52B20-25-28

Part Number: KGB-MB798AM025

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, BMW, 2.8L, 3.2L, Set of 7

Part Number: KGB-MB770AM025

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Main Bearings, King SM-Series Main Bearings, Stock Size, Bi-Metal, BMW, Toyota, Sold as a Set of 7

Part Number: KGB-MB7779SM

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Main Bearings, King SM-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, BMW, Toyota, Sold as a Set of 7

Part Number: KGB-MB7779SM05

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Crankshaft Main Bearings

Part Number: KGB-MB5780SM

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, BMW, 2.8L, 3.2L, Set of 7

Part Number: KGB-MB770AM05

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, BMW, 2.8L, 3.2L, Set of 7

Part Number: KGB-MB770AM075

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, BMW, 2.8L, 3.2L, Set of 7

Part Number: KGB-MB770AM10

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Crankshaft Main Bearings

Part Number: KGB-MB5780SM025

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Estimated Ship Date: Jan 22, 2026 if ordered today

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