Engines and Components› Engine Bearings

ACL

ACL Bearings Mazda 4 2977-3455cc 1977-90 1

$32.03

SKU: A002 5M1777A-1.00

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Ships by Jun 13
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Description

The ACL 5M1777A-1.00 is an engine crankshaft main bearing set designed for Mazda 4-cylinder engines with displacements between 2977cc and 3455cc, manufactured between 1977 and 1990. These bearings are precision-machined to exacting tolerances.

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Specifications

BrandACL
Part NumberA002 5M1777A-1.00

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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