Engine Piston - Standard Size for 1999-2003 GMC/Chevrolet/Hummer 6.0L (Sierra 2500, Yukon XL 2500, Sierra 1500, Sierra 1500 HD) WH857CP
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The Mahle Engine Piston Ring Set - Standard Size (part number 41858CP) is a direct-fit replacement for 1999-2010 GMC, Chevrolet, Cadillac, and Hummer vehicles with 6.0L engines.
Specifications:
| Second Ring Material | Carbon Steel |
| Item Grade | Premium |
| Bore Diameter (in) | 4.000 |
| Second Ring Thickness (Axial Height) | 1.50 mm |
| Piston Ring Face Coating | Plasma-Moly |
| Oil Ring Assembly Groove Type | Shallow Groove |
| Top Ring Thickness (Axial Height) | 1.50 mm |
| Oil Ring Assembly Thickness (Axial Height) | 3.00 mm |
| Piston Ring Oversize | Standard |
| Top Ring Material | Carbon Steel |
| Oil Ring Assembly Material | Stainless Steel |
Fits: 1999-2010 GMC, Chevrolet, Cadillac, Hummer, and Pontiac models including W4500 Forward, Yukon XL 2500, Sierra 1500, Sierra 2500, Sierra 2500 HD, Sierra 3500, Yukon, Yukon XL 1500 and more - 6.0L engines. Confirm your year, make, model, and engine before ordering.
Fitment Notes: Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Carbon Steel; OCR-Stainless Steel; Facing UCR-Plasma-Moly; OCR-Chrome; Axial Height UCR-1.5mm; LCR-1.5mm; OCR-3.0mm; Ring Type UCR:RF-13PF; LCR:THM-13; OCR: CP-20; Shallow Groove
Interchanges With: Sealed Power E921K, Hastings Piston Rings 2M4860