Main Bearing Set for 1964-1970 Ford Mustang & More - Sealed 4290M 20

$198.99
Sealed Power Engine Crankshaft Main Bearing Set 4290M20
Sealed Power Engine Crankshaft Main Bearing Set 4290M20

Vehicles this part fits
    Part number: 4290M20
    UPC: 724956125784
    Condition: New
    Weight: 1.60 LBS
    Item Package Quantity: 1
    $198.99
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    Sealed Power Engine Crankshaft Main Bearing Set P/N:4290M 20
    Sealed Power Engine Crankshaft Main Bearing Set P/N:4290M 20
    $198.99
    $198.99

    Sealed 4290M 20 main bearing set for the 1964-1970 Ford Mustang 6-cylinder 3.3L and other vehicles supports the crankshaft while it rotates. It meets or exceeds OEM specifications.

    • Sealed Power Vintage line, made for classic engine rebuilds
    • Steel-backed bronze alloy lining with overplate
    • Fatigue resistance and strength, with the conformability older applications need
    • Exacting tolerances

    Quick facts

    • Part: Sealed 4290M 20 main bearing set
    • Also called: crankshaft main bearings
    • Fits: 1964-1970 Ford Mustang 6-cylinder 3.3L and other vehicles
    • Material: Steel-backed bronze alloy lining with overplate

    Worn crankshaft main bearings can show up as low oil pressure, a knock from the lower engine or metal flecks in the oil. Before you replace this set, rule out a faulty oil pressure sender and a low oil level, which can read like bearing trouble. Each engine takes one set, and this listing is one set.

    Fits

    Besides the 1964-1970 Ford Mustang 6-cylinder 3.3L, this main bearing set fits the 1973-1974 Ford Bronco 6-cylinder 3.3L and the 1964-1969 Mercury Comet 6-cylinder 3.3L. Don't see your car? Look up its year and engine in the “Vehicles it fits” section.

    Specifications

    Fit and size

    • Quantity per application: 1 set
    • Bearings in set: 7, full groove

    Build and materials

    • Lining: steel-backed bronze alloy with overplate
    • Grade: Premium
    • Country of origin: Mexico

    Interchange: MB762AM 020 · 7M771P20 · MS771G20 · BC308J020 · MS2771G20

    This part cross-references / interchanges with the following part numbers:

    7M771P20, MS771G20, BC308J020, MB762AM 020, MS2771G20

    Frequently Asked Questions

    Is the Sealed 4290M 20 main bearing set right for the 1964-1970 Ford Mustang 6-cylinder 3.3L?

    Yes. Sealed 4290M 20 fits the 1964-1970 Ford Mustang 6-cylinder 3.3L, and the 1973-1974 Ford Bronco 6-cylinder 3.3L also takes it. For another car, check its year and engine in the “Vehicles it fits” section.

    What is the lining on these Sealed Power main bearings?

    The Sealed 4290M 20 has a steel-backed bronze alloy lining with overplate. It is popular for fatigue resistance and strength and gives the conformability older applications need.

    How many bearings come in the Sealed Power 4290M 20 set?

    The set holds seven full-groove bearings. Each engine takes one set, and this listing is a single set.

    What is the Sealed Power Vintage line?

    It is the Sealed Power line for applications over 35 years old, made for classic engine rebuilds. This main bearing set belongs to it.

    How can I tell if my main bearings are worn?

    Low oil pressure, a knock from the lower engine or metal flecks in drained oil can mean worn main bearings. A shop can measure bearing clearance to confirm.

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