OEM Part

nut,(3/8-16)(engine mount to frame bracket)(with 250 & V8)

#1378333

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Part Description

Chevy Part #1378333 – Nut (3/8-16) for Engine Mount to Frame Bracket

The GM 1378333 nut is a factory-spec fastener designed for securing the engine mount to the frame bracket on Chevrolet vehicles equipped with 250 Inline-6 and V8 engines. With a 3/8-16 thread size, this nut ensures a secure and vibration-resistant connection, preventing engine movement and maintaining stability. Constructed from hardened steel with a corrosion-resistant coating, it is designed to withstand high torque and stress, making it ideal for restorations or routine maintenance. This nut meets OEM specifications, providing a direct replacement for factory hardware.

Advanced Part Information

– GM Part Number: 1378333
– Thread Size: 3/8-16
– Fastener Type: Standard hex nut
– Application: Engine mount to frame bracket
– Material: Hardened steel with corrosion-resistant coating
– Compatible Engines: 250 Inline-6, V8
– Compatibility: Chevrolet Impala, Caprice (various years)
– OEM Equivalent: Direct factory replacement
– Function: Secures the engine mount to the frame bracket, ensuring proper engine positioning and stability
Installation: Requires proper torque application; pair with factory bolts for best results