Crankshaft Bearing Selection Specifications

WARNING: This page is about a different variant/trim than selected.

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Bearing Grade Specification

Cylinder Block Seat Diameter	Bearing	Crankshaft Main Journal Diameter
		D	C	B	A
		Use This Bearing Color
A 64.993 - 65.000	Upper Bearing	Blue	Blue	Red	Red
A 64.993 - 65.000	Lower Bearing	Yellow	Blue	Blue	Red
B 64.987 - 64.993	Upper Bearing	Yellow	Blue	Blue	Red
B 64.987 - 64.993	Lower Bearing	Yellow	Yellow	Blue	Blue
C 64.981 - 64.987	Upper Bearing	Yellow	Yellow	Blue	Blue
C 64.981 - 64.987	Lower Bearing	Green	Yellow	Yellow	Blue
D 64.974 - 64.981	Upper Bearing	Green	Yellow	Yellow	Blue
D 64.974 - 64.981	Lower Bearing	Green	Green	Yellow	Yellow