The ACL 4B8172H-.025 is a .025 Oversized High Performance rod bearing set for the L3-VDT MZR-Duratec 2260cc turbo engine. A .025 oversize bearing is for a reground/machined-oversize rod journal, not a factory-stock journal. This engine has been used across Ford, Lincoln, and Mazda applications including the Edge, Explorer, Focus RS/ST, Fusion, Maverick, Mustang EcoBoost, Ranger, and Lincoln Nautilus.
Specifications:
- Type: Rod Bearing Set
- Series: High Performance
- Size: .025 Oversize
- Engine Fitment: L3-VDT MZR-Duratec 2260cc Turbo
- Part Number: 4B8172H-.025
FAQ
What does .025 Oversized mean?
A .025 oversize bearing is sized for a rod journal that has been reground or machined .025 oversize. It is not intended for a factory-stock journal.
What vehicles use the L3-VDT engine?
This engine has been used across Ford, Lincoln, and Mazda applications including the Edge, Explorer, Focus RS/ST, Fusion, Maverick, Mustang EcoBoost, Ranger, and Lincoln Nautilus.
Does this set include main bearings?
No. This is a rod bearing set only; main bearings are sold separately.
Is there a Standard Size version of this bearing?
Yes, ACL also offers this rod bearing set in Standard size (part 4B8172H-STD) for a factory, unmachined journal.

