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![P5066(8).50 Coated Flat Top Piston for 1999-2005 Lincoln 4.6L, 5.4L [0.50 mm Undersize]](https://www.jegs.com/images/mini_750/400/416/416-p5066(8).50.jpg)
Vehicle Info NeededENGINETECHPART NUMBER: 416-P5066(8).50
P5066(8).50 Coated Flat Top Piston for 1999-2005 Lincoln 4.6L, 5.4L [0.50 mm Undersize]
$42099
Ships on 09/17/2026
Lowest Price GuaranteeFord
Piston1999-2005 Lincoln 4.6L, 5.4L Flat Top Piston; Coated Skirts Size: 0.50 mm Undersize Set of 8
The Enginetech P5066(8).50 is a replacement piston for Ford, 5.4L engines, sized at 0.50 mm Undersize. Engineered to OE specifications for reliable combustion chamber performance.
Enginetech P5066(8).50 Piston Features:
- Fitment: Ford, 5.4L
- Size: 0.50 mm Undersize
- Coated construction for improved wear resistance
- Engineered to OE specifications for direct replacement
- Note: Engines with flat top pistons. 1.211 CH. Hyper. Coated skirt. Use S90228 rings.
Part TypePiston
BrandENGINETECH
Package Height4.5
Package Width9.25
Package Length18.25
Weight8.75 PG
Part CategoryReplacement Parts
Compression Height1.211
Size0.50 mm Undersize
QuantitySet of 8
Oil Ring Thickness3.00
RemanufacturedNo
Bore Diameter3.551
Piston StyleFlat top
Piston Pin Outside Diameter0.8661
Second Compression Ring Thickness1.50
Top Compression Ring Thickness1.50
Piston MaterialCast aluminum
FitmentFord
Part FitmentDirect Fit
Engine Displacement5.4L
Vendor Part NumberP5066(8).50
Package Qty1
Package TypeEA
No Questions
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