Sealed Power 4221M Engine Crankshaft Main Bearing Set
Sealed Power(R) Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
  • Steel-backed bronze alloy lining with overplate
  • Popular for fatigue resistance & strength - provides conformability required for older applications
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications

Application Summary:

Year Make/Model
1963-1976 Pontiac Bonneville
1961-1976 Pontiac Catalina
1967-1970 Pontiac Executive
1971-1976 Pontiac Firebird
1973-1975 Pontiac Grand Am
1975-1976 Pontiac Grand LeMans
1963-1976 Pontiac Grand Prix
1971-1976 Pontiac Grand Safari
1971-1975 Pontiac Grandville
1970-1973 Pontiac GTO
1971-1974 Pontiac Laurentian
1976 Pontiac Laurentian
1970-1974 Pontiac LeMans
1976 Pontiac LeMans
1970-1974 Pontiac Parisienne
1976 Pontiac Parisienne
1963-1966 Pontiac Star Chief
1961 Pontiac Ventura
Attributes
Application O.E. Replacement 1961-76
California Proposition 65 No
Country of Origin (Primary) MX
Displacement 421, 428, 455
Engine Family V8
Features 1/2 Groove
Harmonized Tariff Code (Schedule B) 8483308090
Life Cycle Status Code Available to Order
Manufacture Pontiac
Material Overplated Copper-Lead Alloy
Part Description Engine Crankshaft Main Bearing Set
SDR Required Flag N
Set Type Main Set
Sizes Std-10-20-30
GTIN 00724956124022