Availability
MERCURY Main Bearings
Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, Ford, Mazda, Sold as a Set of 5
Part Number: KGB-MB5442SI05
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Main Bearings, HP-Series, 1/2 Groove, Tri-Metal, Ford, 351 Cleveland, Set
Part Number: KGB-MB5503HPSTDX
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Main Bearings, XP-Series, Copper/Lead/Nickel, 0.50mm. Crankshaft Undersize, Ford, 4.6L, Set of 5
Part Number: KGB-MB5353XP05
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Main Bearings, AM-Series, Full Groove, Alecular Silicon, 0.50mm. Crankshaft Undersize, Ford, 2.0L, 2.3L, Set of 5
Part Number: KGB-MB582AM05
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Main Bearings, AM-Series, Full Groove, Alecular Silicon, 0.75mm. Crankshaft Undersize, Ford, 2.0L, 2.3L, Set of 5
Part Number: KGB-MB582AM075
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Main Bearings, King XP-Series Main Bearings, .001 in., .026 mm Crankshaft Undersize, Tri-Metal, Ford, Mazda, Sold as a Set of 5
Part Number: KGB-MB5442XP026
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Main Bearings, SI-Series, Grooved, Bi Metal, Stock Size, Ford, 1.9L, 2.0L, Set of 5
Part Number: KGB-MB5558SI
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Main Bearings, 0.25mm Crankshaft Undersize, Bi Metal, 3/4 Groove, Ford, 4.6L, Set of 5
Part Number: SLP-7292MA25MM
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearings, 0.50mm Crankshaft Undersize, Bi Metal, 1/2 Groove, Ford, Lincoln, Mercury, 4.6L, 5.4L, Set of 5
Part Number: SLP-7296MA50MM
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearings, 0.040 in. Undersize, Bi Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5
Part Number: SLP-5078MA40
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearing Set;
Part Number: SLP-4125MA30
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Bearing Set;
Part Number: SLP-4125MA40
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearing Set;
Part Number: SLP-6101MA
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearings, Ford, 240, 250, 300 6-cyl., 1966-1996, 0.040 in., Set
Part Number: KGB-MB7750SI040
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, AM-Series, .030 in. Crankshaft Undersize, Bi Metal, Ford, Mercury, 200, Set of 7
Part Number: KGB-MB762AM030
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, AM-Series, .020 in. Crankshaft Undersize, Bi Metal, Ford, Mercury, 200, L6, Set of 7
Part Number: KGB-MB785AM020
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, MA Series, 0.75mm Crankshaft Undersize, Bi-metal Aluminum Alloy, 1/2 Groove, Ford, Lincoln, Mercury, 4.6L, Set of 5
Part Number: SLP-7292MA75MM
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Main Bearings, 0.040 in. Crankshaft Undersize, Tri Metal, Full Groove, Ford, Mercury, V8, 221, 260, 289, 302, Set of 5
Part Number: SLP-4125M40
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
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