MAZDA Bearings & Bearing Spacers

Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, Mazda, 3.0L, Set of 4

Part Number: KGB-MB459SI05

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Main Bearings, SI-Series, 3/4 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, 2.9, 4.0L, Set 4

Part Number: KGB-MB4023SI030

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Cam Bearings, Steel Backed Babbitt, Set

Part Number: KGB-CS232BB

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Main Bearings, SI-Series, 3/4 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, 2.9, 4.0L, Set 4

Part Number: KGB-MB4023SI020

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Mazda, 2.0, 2.2L, Set 5

Part Number: KGB-MB5225AM

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mazda, 2.0, 2.2L, Set of 5

Part Number: KGB-MB5225AM025

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, for Kia, Mazda, 2.0, 2.2L, Set of 5

Part Number: KGB-MB5158AM

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Estimated Ship Date: Apr 21, 2026 if ordered today

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MAIN BEARING SET, FORD ECOBOOST 3.5L V6

Part Number: KGB-MB4549SI025

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Main Bearings, AM-Series, 1/2 Groove, Standard Size, Bi Metal, Mitsubishi, 2.6L, Set of 5

Part Number: KGB-MB546AM

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Rod Bearings, AM-Series, Alecular Silicon. 0.25mm. Crankshaft Undersize, Mazda, 2.5, 3.0L, Set of 6

Part Number: KGB-CR6655AM025

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mazda, 1.8, 2.3, 2.5, 3.0L, Set of 4

Part Number: KGB-MB496AM025

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Estimated Ship Date: Apr 22, 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: Apr 21, 2026 if ordered today

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Rod Bearings, XP-Series, Tri-metal, 0.50mm Crankshaft Undersize, Mazda, 1.6L, 1.8L, Set of 4

Part Number: KGB-CR4002XP05

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Rod Bearing, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Mazda, 1.6L, Set of 4

Part Number: KGB-CR4159AM05

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Rod Bearing, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, Mazda, 1.6L, Set of 4

Part Number: KGB-CR4159AM10

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Rod Bearing, XP-Series, Copper/Lead/Nickel, Standard Size, Mazda, 1.6, 1.8L, Set of 4

Part Number: KGB-CR4002XPSTDX

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Rod Bearing, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, 2.0L, Set of 4

Part Number: KGB-CR4150SI05

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, 2.5, 3.0L, Set of 4

Part Number: KGB-MB4056SI05

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Estimated Ship Date: Apr 21, 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: Apr 21, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Mazda, 1.8, 2.0L, Set of 5

Part Number: KGB-MB5171AM05

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Estimated Ship Date: Apr 21, 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: Apr 21, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, Mazda, 1.8, 2.0L, Set of 5

Part Number: KGB-MB5171AM10

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Mazda, 2.0, 2.2L, Set of 5

Part Number: KGB-MB5225AM075

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, Mazda, 2.0, 2.2L, Set of 5

Part Number: KGB-MB5225AM10

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Main Bearings, AM-Series, 3/4 Groove, Standard Size, Bi Metal, Mazda, 2.6L, Set 5

Part Number: KGB-MB5226AM

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Estimated Ship Date: Apr 21, 2026 if ordered today

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