HomeEngine > Cylinder Block ComponentsSealed Power 4290M Engine Crankshaft Main Bearing Set
Part #: 4290M

Sealed Power 4290M Engine Crankshaft Main Bearing Set

⚙️ 17 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mercury, Granada, Maverick, Comet, Monarch, Bronco, Country Sedan, Country Squire, Falcon, Mustang, Ranch Wagon, Fairlane, Ranchero, Torino, Montego, Caliente, Capri, Villager, Voyager, Falcon Sedan Delivery, Sprint, and Cyclone
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Reliable Engine Crankshaft Main Bearing Set for Ford and Mercury

The Sealed Power 4290M engine crankshaft main bearing set is designed for precise fitment in select Ford and Mercury vehicles. This set supports smooth engine operation by maintaining proper crankshaft alignment and reducing friction.

Key Features of the Sealed Power 4290M Bearing Set

  • Compatible with Ford Bronco, Capri, Mustang, Mercury Monarch, Montego, and Villager models
  • Engine crankshaft main bearing set engineered for durability and consistent performance
  • Manufactured by Sealed Power, a trusted name in engine components
  • Part number 4290M ensures exact replacement for specified applications
  • Precision-machined to meet OEM specifications for reliable engine function

Detailed Product Description

The Sealed Power 4290M engine crankshaft main bearing set is specifically designed to fit a range of Ford and Mercury vehicles, including the Bronco, Capri, Mustang, Monarch, Montego, and Villager. This bearing set plays a critical role in supporting the crankshaft within the engine block, reducing wear and maintaining proper clearances. Manufactured to meet strict quality standards, the 4290M bearing set ensures consistent oil film retention and resistance to heat and pressure during engine operation.

Common Applications and Issues Addressed

  • Replacement for worn or damaged crankshaft main bearings
  • Resolves engine knocking or unusual noises related to bearing wear
  • Prevents excessive crankshaft end play and vibration
  • Helps maintain oil pressure and proper lubrication within the engine
  • Supports engine rebuilds or overhauls on compatible Ford and Mercury models

Installation Notes and Tips

  • Ensure compatibility by verifying vehicle make and model before installation
  • Inspect crankshaft journals for wear or damage prior to bearing installation
  • Use proper torque specifications when assembling engine components
  • Apply assembly lubricant to bearings during installation to prevent initial wear
  • Follow manufacturer guidelines for bearing clearance and alignment checks

Quality Assurance and Warranty Information

Sealed Power manufactures the 4290M bearing set to meet or exceed OEM standards, providing reliable performance for engine rebuilds and repairs. While specific warranty details may vary, Sealed Power products typically come with a limited warranty against manufacturing defects. Always consult product documentation or authorized sources for warranty terms related to this engine crankshaft main bearing set.

This part fits 17 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1975MercuryMonarch3.3LL6N/ATo 4/1975; with 7 Full Grooved Main Bearings; Standard
1974FordBronco3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard
1973FordBronco3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard
1970FordMustang3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard
1969FordMustang3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard
1968FordMustang3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard
1968MercuryMontego3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard
1967FordMustang3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard
1967MercuryCapri3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard
1967MercuryVillager3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard
1966FordMustang3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard
1966MercuryCapri3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard
1966MercuryVillager3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard
1965FordMustang3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard
1965MercuryVillager3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard
1964FordMustang3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard
1964MercuryVillager3.3LL6N/Awith 7 Full Grooved Main Bearings; Standard

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1290P7M2126BC308JMB762AMMBS594BMBS594CPMS2771GMS771GMS872GVP91646VPM91200VPM91646

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.