ACL 5M1144A-STD Standard Size Main Bearing Set for Mitsubishi G63B/4G63 1997cc Engines

ACL 83-92 Mitsubishi 1997CC G63B/4G63 Standard Size Main Bearing Set

The ACL 5M1144A-STD Standard Size Main Bearing Set is designed for rebuilding compatible Mitsubishi 1997cc G63B and 4G63 engines. Manufactured to support dependable crankshaft operation, this main bearing set is intended for standard-size applications where the crankshaft journals remain within factory specifications. It is a practical choice for engine rebuilders seeking consistent bearing performance and reliable fitment.

ACL main bearings are engineered for demanding automotive applications, helping maintain proper oil clearance and reduce friction between the crankshaft and engine block. The 5M1144A-STD set is suited to select Mitsubishi and Hyundai applications from the 1983–1992 model range, including compatible 1989–1991 Hyundai Sonata vehicles. Always verify engine code, model year, and crankshaft specifications before installation.

What's Included: One ACL standard-size main bearing set for the specified application. Installation should be completed by a qualified technician using the vehicle manufacturer's service procedures, including proper journal inspection, clearance measurement, lubrication, and torque specifications.

Fitment: Compatible applications include select 1989, 1990, and 1991 Hyundai Sonata models equipped with the applicable Mitsubishi-derived 1997cc G63B/4G63 engine. Coverage may also include Mitsubishi vehicles from the 1983–1992 range using the specified engine family. Confirm exact fitment with the vehicle's engine code and service information before ordering.

Features:

• Engine Compatibility: Designed for compatible Mitsubishi 1997cc G63B and 4G63 engine applications.
• Standard Size Fit: Intended for crankshafts retaining standard factory journal dimensions.
• Reliable Crankshaft Support: Helps maintain proper crankshaft alignment and smooth engine operation.
• Engine Rebuild Application: Suitable for select Mitsubishi and Hyundai engine rebuilds when matched to verified specifications.

Fitments:
1989 Hyundai Sonata Base
1989 Hyundai Sonata GLS
1990 Hyundai Sonata Base
1990 Hyundai Sonata GLS
1991 Hyundai Sonata Base
1991 Hyundai Sonata GLS

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1