Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
![S40568-.50 Piston Ring Set for 2001-2016 Chevrolet 6.6L [0.50 mm Undersize]](https://www.jegs.com/images/mini_750/400/416/416-s40568-.50.jpg)
Vehicle Info NeededENGINETECHPART NUMBER: 416-S40568-.50
S40568-.50 Piston Ring Set for 2001-2016 Chevrolet 6.6L [0.50 mm Undersize]
$21999
Ships on 09/09/2026
Lowest Price GuaranteeGM
Piston Ring Set2001-2016 Chevrolet 6.6L Standard Ring Set Size: 0.50 mm Undersize Sold as a Set
The Enginetech S40568-.50 is a piston ring set for GM, 6.6L 403, DURAMAX engines at 0.50 mm Undersize oversize. Ring set is engineered for proper cylinder sealing and oil control.
Enginetech S40568-.50 Piston Ring Set Features:
- Fitment: GM, 6.6L 403, DURAMAX
- Size: 0.50 mm Undersize
- Diesel engine application
- Engineered to OE specifications for direct replacement
- Note: Premium. Steel top. 3.0Kmm x 2.0mm x 3.0mm. Keystone top.
Part TypePiston Ring Set
BrandENGINETECH
Package Height3.5
Package Width4.0
Package Length4.0
Weight1.5 PG
Part CategoryReplacement Parts
GaplessNo
Second Compression Ring Thickness2.00
Size0.50 mm Undersize
Top Compression Ring Thickness3.0K
File FitNo
Top Ring MaterialStandard
QuantitySold as a set
Oil Ring Thickness3.00
FitmentGM
Part FitmentDirect Fit
Engine Displacement6.6L 403
Ring Outside Diameter4.055
Vendor Part NumberS40568-.50
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)
![1-Ton Automotive Shop Crane [Boom Operating Range: 34 in. to 45 in.]](https://www.jegs.com/images/mini_200/500/555/555-81044k.jpg)
JEGS
1-Ton Automotive Shop Crane [Boom Operating Range: 34 in. to 45 in.]
Part Number : 555-81044K
$23698
![Rotating Engine Stand [1000 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80059.jpg)
![Round Magnetic Parts Tray [5 1/2 in. Round]](https://www.jegs.com/images/mini_200/500/555/555-80080.jpg)
![Socket Set, 3/8 in. & 1/4 in. Drive [SAE/Metric 52-Piece]](https://www.jegs.com/images/mini_200/500/555/555-81565.jpg)
JEGS
Socket Set, 3/8 in. & 1/4 in. Drive [SAE/Metric 52-Piece]
Part Number : 555-81565
$2199$33.99
You Save$12.00
![Plier Set [5-Piece]](https://www.jegs.com/images/mini_200/500/555/555-w1717.jpg)
![Break-In Oil, 10W30 [1 Quart, 32 oz.]](https://www.jegs.com/images/mini_200/500/555/555-28067.jpg)
![Fender Cover with Pocket [23 in. W x 31 1/2 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65010.jpg)
JEGS
Fender Cover with Pocket [23 in. W x 31 1/2 in. L]
Part Number : 555-65010
$1499$16.99
You Save$2.00
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
![Brake Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72311.jpg)
JEGS
Engine Storage Bag 48 in. L x 35 in. W x 34 in. H
Part Number : 555-80039
$1199$12.99
You Save$1.00
![Mechanic Chair & Step Stool on Wheels [300 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-81156.jpg)
JEGS
Mechanic Chair & Step Stool on Wheels [300 lb. Capacity]
Part Number : 555-81156
$9099$111.99
You Save$21.00
![Heavy-Duty Steel Workbench [59.5 in. x 27.5 in. Bench Top]](https://www.jegs.com/images/mini_200/500/555/555-81440.jpg)
JEGS
Part Number : 555-81044K
$23698
Some parts are not legal for use in California or other states with similar laws / regulations
