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Vehicle Info NeededSEALED POWERPART NUMBER: 844-4221M20
Main Bearings Pontiac 421/428/455 -.020
$20212
Ships on 09/21/2026
Lowest Price GuaranteeBuick / Oldsmobile / Pontiac (B.O.P.)
- Main Bearings
- Pontiac 421-428-455 1961-1976
- 1/2 Groove Design
- -.020" Journal Size
- Full Set
Features: - O.E. Replacement 1961-1976
- Steel Backed Overplated Bronze Alloy
- Popular for Fatigue Resistance & Strength
- Provides Conformability Required for Older Applications
- Exacting Tolerances
- Meets or Exceeds OEM Specifications
Part TypeMain Bearing
BrandSEALED POWER
Package Height4.4
Package Width4.5
Package Length6.0
Weight1.93 PG
Part CategoryReplacement Parts
Vendor Part Number4221M20
Package Qty1
Package TypeEA
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