ACL Mitsubishi 4G63/4G64 7 Bolt EVO V-IX 0.025mm Undersize-Journal High Performance Main Bearing Set

ACL 5M1219H-.025 is a main bearing set for the cataloged Mitsubishi 4G63, 4G64, 4G64-S4, 4G69 engine configurations. .025 mm journal repair-size designation. Confirm the required undersize journal diameter and assembled clearance with the engine builder.

Bearing Configuration

H identifies the ACL Race Series family. Match the complete suffix to the required clearance, shell width and locating features.

For 4G63, 4G63T and 4G64 applications, ACLs 2023 guide catalogs this main-bearing family for the 1997-on separate-thrust-washer arrangement, with 1T1219 thrust washers listed separately. The earlier 19921997 flange-main arrangement uses the 5M1186 family. Confirm the actual block and thrust design at the changeover.

Engine Application

The engine-family list identifies catalog applications, not universal vehicle fitment. Confirm the exact engine version, crankshaft, rods, block and bearing location. Vehicle names and photos do not replace dimensional verification.

Specifications

Quantity and Assembly Checks

Confirm the set contents, bearing positions and any separate thrust components against the complete manufacturer number. The photo is representative of the part family.

Measure shaft journals, housing bores and assembled oil clearance using the engine builders specification. Check oil-hole alignment, groove placement and crankshaft fillet clearance before final assembly. Catalog standard dimensions must not be treated as the finished dimensions for a different repair size.

Frequently Asked Questions

Is the year and model enough to choose this bearing? No. Match 5M1219H-.025 to the exact engine and measured build specification.

What size is this listing? .025 mm journal repair-size designation. Confirm the required undersize journal diameter and assembled clearance with the engine builder.

Can I substitute a different suffix? Compare the complete grade, size, locating features and assembled clearance before substituting any bearing.

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