BC424J030 Main Bearing Set for 1967-2002 Buick, Cadillac, Chevrolet, GMC 4.3L, 4.4L, 4.9L, 5.0L [+0.030 in. Oversize]
InfoVehicle Info Needed
ENGINETECHPART NUMBER: 416-BC424J030

BC424J030 Main Bearing Set for 1967-2002 Buick, Cadillac, Chevrolet, GMC 4.3L, 4.4L, 4.9L, 5.0L [+0.030 in. Oversize]

$4099
ShippingShips Tomorrow
Lowest PriceLowest Price Guarantee

Items You Need

Engine Assembly Lube [4 oz. Bottle]

JEGS

Engine Assembly Lube [4 oz. Bottle]

Part Number : 555-28000
$599$6.99
You Save$1.00
1-Ton Automotive Shop Crane [Boom Operating Range: 34 in. to 45 in.]

JEGS

1-Ton Automotive Shop Crane [Boom Operating Range: 34 in. to 45 in.]

Part Number : 555-81044K
$23698
123-Piece Tool Set with Carry Case

JEGS

123-Piece Tool Set with Carry Case

Part Number : 555-80427
$3999$51.99
You Save$12.00
Rotating Engine Stand [1000 lb. Capacity]

JEGS

Rotating Engine Stand [1000 lb. Capacity]

Part Number : 555-80059
$32999$362.99
You Save$33.00

GM
Main Bearing Set
  • 1967-2002 Buick, Cadillac, Chevrolet, GMC 4.3L, 4.4L, 4.9L, 5.0L
  • See Fitment Tab for All Applications
  • Size: +0.030 in. Oversize
  • Standard Bi-Metal Construction
  • Sold as a Set

    The Enginetech BC424J030 is a main bearing set for 1967-2002 Buick, Cadillac, Chevrolet, GMC +2 more 4.3L, 4.4L, 4.9L, 5.0L +2 more.010 oversized flange width engines at +0.030 in. Oversize. Engineered to maintain proper crankshaft clearance and oil film.

    Enginetech BC424J030 Main Bearing Set Features:

    • Fitment: GM/Chevrolet/Isuzu, 262 ci, 267 ci, 302 ci, 305 ci
    • Size: +0.030 in. Oversize
    • Engineered to OE specifications for direct replacement
    • Precision Bearing Support for Smooth, Reliable Engine Operation

      Enginetech Main Bearings are engineered to provide stable crankshaft support and consistent rotation, helping maintain proper oil clearance and long-term engine durability. Backed by Enginetech’s reputation as a trusted supplier to professional engine builders, these bearings are manufactured using advanced materials such as aluminum-silicon alloys and traditional copper-based designs to balance load capacity, wear resistance, and anti-friction performance. Designed with precision machining and optimized crush characteristics, they help ensure proper seating, heat transfer, and resistance to bearing rotation under demanding conditions. Available in standard and multiple undersizes for rebuild applications, Enginetech main bearings provide reliable fitment, improved durability, and consistent performance for a wide range of domestic and import engines.

    Part TypeMain Bearing
    Product LineEnginetech Main Bearings
    BrandENGINETECH
    Package Height2.5
    Package Width3.5
    Package Length7.0
    Weight1.25 PG
    Part CategoryReplacement Parts
    ConstructionStandard bi-metal
    Size+0.030 in. Oversize
    QuantitySold as a set
    FitmentGM/Chevrolet/Isuzu
    Part FitmentDirect Fit
    Vendor Part NumberBC424J030
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning