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![K4042(4).50 Piston and Ring Kit for 2002-2006 Nissan 2.5L [0.50 mm Undersize]](https://www.jegs.com/images/mini_750/400/416/416-k4042(4).50.jpg)
Vehicle Info NeededENGINETECHPART NUMBER: 416-K4042(4).50
K4042(4).50 Piston and Ring Kit for 2002-2006 Nissan 2.5L [0.50 mm Undersize]
$21099
Ships on Sep 11, 2026
Lowest Price GuaranteeNissan/Infiniti
Piston and Ring Kit2002-2006 Nissan 2.5L Standard Ring Set Included Size: 0.50 mm Undersize Sold as a Set
The Enginetech K4042(4).50 is a piston and ring kit for Nissan, 2.5L 2488, QR25DE engines, combining a matched piston with a ring set at 0.50 mm Undersize for a complete top-end rebuild solution.
Enginetech K4042(4).50 Piston and Ring Kit Features:
- Fitment: Nissan, 2.5L 2488, QR25DE
- Size: 0.50 mm Undersize
- Engineered to OE specifications for direct replacement
- Note: Dish top. 1.2mm48 CH. Coated skirt. Anodized head. Kit contains (4) pistons with premium rings.
Part TypePiston
BrandENGINETECH
Package Height4.0
Package Width9.25
Package Length9.25
Weight4.5 PG
Part CategoryReplacement Parts
Piston Pin Outside Diameter0.7872
Second Compression Ring Thickness1.20
Size0.50 mm Undersize
Top Compression Ring Thickness1.20
QuantitySold as a set
Piston MaterialCast aluminum
Oil Ring Thickness2.50
FitmentNissan
Part FitmentDirect Fit
RemanufacturedNo
Engine Displacement2.5L 2488
Bore Diameter3.503
Vendor Part NumberK4042(4).50
Package Qty1
Package TypeEA
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