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ACL 03+ Ford/Mazda 4 DOHC Duratec Standard Size High Performance Main Bearing Set for 2003 Ford Focus (2.0L / 2.3L) 5M8174A-STD

$39.78

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ACL 03+ Ford/Mazda 4 DOHC Duratec Standard Size High Performance Main Bearing Set for 2003 Ford Focus (2.0L / 2.3L) 5M8174A-STD

$39.78

$39.78

Fits 2003 Ford Focus ZX3 (2.0L / 2.3L).

The ACL High Performance Main Bearing Set is designed for engine builders seeking superior crankshaft support and durability in high-load environments. Engineered for the Ford/Mazda 4-cylinder DOHC Duratec platform, these standard size bearings provide the precision clearances necessary to maintain consistent oil film thickness and reduce friction at high RPMs. Whether you are performing a factory-spec overhaul or a high-performance engine build, these bearings offer the reliability and fatigue resistance required for the 2.0L and 2.3L Duratec internal combustion systems.

  • Optimized for 2.0L and 2.3L DOHC Duratec engine blocks
  • Standard Size (STD) for precision crankshaft journal fitment
  • High-strength construction designed for increased fatigue resistance
  • Maintains critical oil film consistency under heavy mechanical loads
  • Includes complete main bearing set for a full engine refresh
  • Manufacturer Part Number: 5M8174A-STD
🔧 Fitment & Compatibility
Year Make Model Submodel
2003 Ford Focus ZX3

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