Main Bearing Set for 1966-1973 Dodge Charger & More - Sealed 4923MA 40

$143.99
Sealed Power Engine Crankshaft Main Bearing Set 4923MA40
Sealed Power Engine Crankshaft Main Bearing Set 4923MA40

Vehicles this part fits
    Part number: 4923MA40
    UPC: 614046632325
    Condition: New
    Weight: 1.50 LBS
    Item Package Quantity: 1
    $143.99
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    Sealed Power Engine Crankshaft Main Bearing Set P/N:4923MA 40
    Sealed Power Engine Crankshaft Main Bearing Set P/N:4923MA 40
    $143.99
    $143.99

    Sealed 4923MA 40 main bearing set for the 1966-1973 Dodge Charger V8 5.2L, the 1967 Charger V8 4.5L, the 1970-1973 Charger V8 5.6L and other vehicles supports the crankshaft in the block and lets it turn. The bi-metal alloy resists seizure better than tri-metal material, and the set meets or exceeds OEM specifications.

    • Sealed Power Vintage line for classic engine rebuilds
    • A-Series bi-metal aluminum alloy
    • Bearing wear is reduced dramatically or eliminated
    • Exacting tolerances
    • Made with silicon for greater surface hardness

    Quick facts

    • Part: Sealed 4923MA 40 main bearing set
    • Also called: crankshaft main bearings
    • Fits: the 1966-1973 Dodge Charger V8 5.2L, the 1967 Charger V8 4.5L, the 1970-1973 Charger V8 5.6L and other vehicles
    • Material: A-Series aluminum
    • Condition: New

    A deep knock from the lower engine or a low oil-pressure warning light can come from a worn main bearing set. Before you replace it, rule out other sources of those signs, such as the oil pump or the pressure sensor, and have a shop test them. The 1966-1973 Dodge Charger V8 5.2L takes one set.

    Fits

    As a main bearing set, it also fits the 1965-1973 Dodge Coronet V8 5.2L and the 1957-1973 Plymouth Fury V8 5.2L. Open the "Vehicles it fits" section to check your exact model and engine.

    Specifications

    • Quantity per vehicle: 1
    • Material: A-Series aluminum
    • Construction: bi-metal aluminum alloy made with silicon
    • Condition: New
    • Country of origin: Mexico

    Interchange: MB558SI 040 · MS540P40 · BC321J040 · MS540M40

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

    MS540P40, BC321J040, MB558SI 040, MS540M40

    Frequently Asked Questions

    Does the Sealed 4923MA 40 main bearing set fit the 1970-1973 Dodge Charger V8 5.6L?

    Yes. Sealed 4923MA 40 fits the 1970-1973 Dodge Charger V8 5.6L. For any other model or engine, open the "Vehicles it fits" section.

    What is the Sealed Power 4923MA 40 main bearing set made of?

    Sealed 4923MA 40 is made of A-Series bi-metal aluminum alloy, with silicon added for greater surface hardness.

    Are these crankshaft main bearings part of the Sealed Power Vintage line?

    Yes. The Sealed Power 4923MA 40 belongs to the Vintage line, which covers applications over 35 years old.

    Does this main bearing set replace the MS540M40 number?

    Yes. MS540M40 is one of the other-brand numbers this main bearing set replaces.

    Can I keep driving with a deep knock from the bottom of the engine?

    No. A deep knock can come from worn main bearings, so have a shop inspect it promptly instead of driving on it.

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