BUICK Main Bearings

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI

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Estimated Ship Date: Today

Main Bearings, AM-Series, 1/2 Groove, .050 in. Undersize, Bi Metal, Buick, 3.0, 3.2, 3.8, 3.8L, Set of 4

Part Number: KGB-MB443AM050

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Main Bearings, AM-Series, 1/2 Groove, .030 in. Undersize, Bi Metal, Buick, 3.3, 3.8L, Set of 4

Part Number: KGB-MB480AM030

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Main Bearings, AM-Series, 1/2 Groove, .060 in. Undersize, Bi Metal, Buick, 3.0, 3.2, 3.8, 3.8L, Set of 4

Part Number: KGB-MB443AM060

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Main Bearings, AM-Series, 1/2 Groove, .020 in. Undersize, Bi Metal, Buick 1994, 3.8L, V6, Set 4

Part Number: KGB-MB4018AM020

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Estimated Ship Date: Jun 15, 2026 if ordered today

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