Availability
1978 Main Bearings
Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, BMW, 2.8L, 3.2L, Set of 7
Part Number: KGB-MB770AM025
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, 1/2 Groove, .060 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5
Part Number: KGB-MB445SI060
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, AM-Series, Full Groove, Alecular Silicon, 1.00mm. Crankshaft Undersize, Toyota, 2.2L, 2.4L, Set of 5
Part Number: KGB-MB580AM10
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, AM-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Chrysler, Dodge, Plymouth, 170, 198, 225, Set of 4
Part Number: KGB-MB407AM040
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Crankshaft Main Bearings MITSUBISHI 4G52
Part Number: KGB-MB577AM
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Toyota, 1.1, 1.2, 1.3L, Set of 5
Part Number: KGB-MB551AM075
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Nissan, 2.0, 2.2, 2.4L, Set of 5
Part Number: KGB-MB5233AM075
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, P-Series, 1/2 Groove, Standard Size, Tri Metal, Chevy, Big Block, Set of 5
Part Number: MAN-33040
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Main Bearings, SI-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chyrsler, Big Block, Set of 5
Part Number: KGB-MB5116SI010
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Mazda, 1.3, 1.4, 1.5L, Set of 5
Part Number: KGB-MB5510AM075
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, BMW, 2.8L, 3.2L, Set of 7
Part Number: KGB-MB770AM10
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Crankshaft Main Bearings MITSUBISHI 4G52
Part Number: KGB-MB577AM025
Not Yet Reviewed
Estimated Ship Date: Jun 24, 2026 if ordered today
Estimated Ship Date: Jun 24, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, Toyota, 1.1, 1.2, 1.3L, Set of 5
Part Number: KGB-MB551AM10
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Crankshaft Main Bearings MITSUBISHI 4G52
Part Number: KGB-MB577AM05
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 1.25mm Crankshaft Undersize, Mazda, 1.3, 1.4, 1.5L, Set of 5
Part Number: KGB-MB5510AM125
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Mitsubishi, 2.3, 2.6L, Set of 5
Part Number: KGB-MB5228AM05
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 1.25mm Crankshaft Undersize, Mercedes-Benz, 2.2, 2.3L, Set of 5
Part Number: KGB-MB536AM125
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, HP-Series, 3/4 Groove, .020 in. Undersize, Alecular Silicon, Chevy, 400, Set of 5
Part Number: KGB-MB5143HP020
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Bearings, XP-Series, Tri-metal, 0.50mm. Crankshaft Undersize, Ford, 2.0L, 2.3L, Set of 5
Part Number: KGB-MB582XP05
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, SI-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Set of 4
Part Number: KGB-MB452SI010
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, SI-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Reliant, 2.8L, Set
Part Number: KGB-MB435SI010
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Ford, 2.0, 2.3L, Set of 5
Part Number: KGB-MB582XPSTDX
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
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