Mahle 41859CP.020 Plasma Moly Ring Set for 1999-2016 GM LS 4.8L/5.3L V8

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Product Specification:

SKU:MHL41859CP.020

MPN: 41859CP.020

UPC: 027067180810

Weight: 0.7 lb

Inventory: 10

Type: Piston Rings

Vehicle Fitment

1999-2013 Chevrolet Silverado 1500 (4.8L & 5.3L Gen III/IV LS V8, RWD/4WD)
1999-2013 GMC Sierra 1500 (4.8L & 5.3L Gen III/IV LS V8, RWD/4WD)
2000-2014 Chevrolet Tahoe, Suburban 1500 (4.8L & 5.3L LS V8, RWD/4WD)
2000-2014 GMC Yukon, Yukon XL 1500 (4.8L & 5.3L LS V8, RWD/4WD)
2003-2016 Chevrolet Express & GMC Savana 1500/2500/3500 (4.8L & 5.3L LS V8, RWD)
2004-2012 Chevrolet Colorado & GMC Canyon (5.3L V8, RWD/4WD)
2004-2009 Chevrolet TrailBlazer, GMC Envoy, Buick Rainier, Isuzu Ascender & Saab 9-7X (5.3L LS V8, RWD/AWD/4WD)

Fitment Notes

Fits GM Gen III and Gen IV LS-based 4.8L and 5.3L V8 engines using a 3.800 in. (+0.020 in.) finished bore.
For pistons utilizing a 1.5mm / 1.5mm / 3.0mm ring package.
Not compatible with 5.7L LS1, 6.0L LS, 6.2L LS/LT, or standard-bore applications.
Verify engine VIN code, piston design, bore size, and ring groove dimensions before installation.

Features

Premium MAHLE Original plasma-moly piston ring set.
Designed for 0.020-inch oversize (3.800 in.) cylinder bores.
Plasma-moly steel top ring provides superior wear resistance.
Carbon steel second compression ring enhances sealing performance.
3.0mm CP-20 shallow-groove oil ring improves oil control.
OE-quality construction for dependable engine rebuilding.
Reduces blow-by while maintaining excellent compression.
Engineered for long service life and consistent performance.

Specifications

Manufacturer: Mahle Original
Part Number: 41859CP.020
Product Type: Piston Ring Set
Bore Diameter: 3.800 in. (+0.020 in. Oversize)
Ring Widths: 1.5mm / 1.5mm / 3.0mm
Top Ring Material: Plasma-Moly Carbon Steel
Oil Ring Design: CP-20 Shallow Groove
Application: GM Gen III/IV LS 4.8L & 5.3L V8 Engines

Included Components

1x Complete Piston Ring Set (8-Cylinder Engine)

Product Description

The Mahle 41859CP.020 Piston Ring Set is engineered for GM Gen III and Gen IV LS-based 4.8L and 5.3L V8 engines that have been machined to a 0.020-inch oversize bore. Featuring a premium plasma-moly top compression ring, carbon steel second ring, and a CP-20 shallow-groove oil control ring, this set delivers outstanding sealing performance, reduced friction, and excellent durability.

Manufactured to MAHLE Original OE-quality standards, this ring set is ideal for professional engine rebuilds and performance-oriented stock replacements. The precision-engineered ring package helps restore compression, minimize oil consumption, and provide long-lasting reliability. Always verify piston ring groove dimensions, bore size, and engine configuration before installation.