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The Mahle OE oe piston ring set identified by manufacturer part number 41859CP.030 is designed to restore combustion sealing and oil control when matched to the exact piston grooves and finished bore. Final compatibility depends on the exact engine and measured dimensions, not a similar vehicle name alone.
Key Features
- Exact MAHLE OE manufacturer part number
- Application and dimensional details organized for verification
- Designed for measured engine rebuilding
- Requires final machining and clearance checks before installation
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 1999-2000 | GMC | Sierra 2500 | Verify engine and piston or ring configuration |
| 1999-2004 | Chevrolet | Silverado 2500 | Verify engine and piston or ring configuration |
| 1999-2013 | Chevrolet | Silverado 1500 | Verify engine and piston or ring configuration |
| 1999-2013 | GMC | Sierra 1500 | Verify engine and piston or ring configuration |
| 2000-2004 | Chevrolet | W3500 Tiltmaster | Verify engine and piston or ring configuration |
| 2000-2004 | Chevrolet | W4500 Tiltmaster | Verify engine and piston or ring configuration |
| 2000-2004 | Chevrolet | W5500 Tiltmaster | Verify engine and piston or ring configuration |
| 2000-2004 | GMC | W3500 Forward | Verify engine and piston or ring configuration |
| 2000-2014 | Chevrolet | Suburban 1500 | Verify engine and piston or ring configuration |
| 2000-2014 | Chevrolet | Tahoe | Verify engine and piston or ring configuration |
| 2000-2014 | GMC | Yukon | Verify engine and piston or ring configuration |
| 2000-2014 | GMC | Yukon XL 1500 | Verify engine and piston or ring configuration |
| 2002-2005 | Cadillac | Escalade | Verify engine and piston or ring configuration |
| 2002-2006 | Chevrolet | Avalanche 1500 | Verify engine and piston or ring configuration |
| 2003-2004 | Chevrolet | SSR | Verify engine and piston or ring configuration |
| 2003-2005 | Chevrolet | Trailblazer EXT | Verify engine and piston or ring configuration |
| 2003-2006 | GMC | Envoy XL | Verify engine and piston or ring configuration |
| 2003-2006 | Isuzu | Ascender | Verify engine and piston or ring configuration |
| 2003-2014 | Chevrolet | Express 1500 | Verify engine and piston or ring configuration |
| 2003-2014 | GMC | Savana 1500 | Verify engine and piston or ring configuration |
| 2003-2016 | Chevrolet | Express 2500 | Verify engine and piston or ring configuration |
| 2003-2016 | Chevrolet | Express 3500 | Verify engine and piston or ring configuration |
| 2003-2016 | GMC | Savana 2500 | Verify engine and piston or ring configuration |
| 2004-2005 | GMC | Envoy XUV | Verify engine and piston or ring configuration |
| 2004-2007 | Buick | Rainier | Verify engine and piston or ring configuration |
| 2004-2016 | GMC | Savana 3500 | Verify engine and piston or ring configuration |
| 2004 | Chevrolet | W5500HD Tiltmaster | Verify engine and piston or ring configuration |
| 2005-2008 | Pontiac | Grand Prix | Verify engine and piston or ring configuration |
| 2005-2009 | GMC | Envoy | Verify engine and piston or ring configuration |
| 2005-2009 | Saab | 9-7x | Verify engine and piston or ring configuration |
| 2006-2007 | Chevrolet | Monte Carlo | Verify engine and piston or ring configuration |
| 2006-2008 | Chevrolet | Trailblazer | Verify engine and piston or ring configuration |
| 2006-2009 | Chevrolet | Impala | Verify engine and piston or ring configuration |
| 2007-2013 | Chevrolet | Avalanche | Verify engine and piston or ring configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | Verify engine and piston or ring configuration |
| 2007 | GMC | Sierra 1500 Classic | Verify engine and piston or ring configuration |
| 2008-2009 | Buick | LaCrosse | Verify engine and piston or ring configuration |
| 2008-2010 | Hummer | H3 | Verify engine and piston or ring configuration |
| 2009-2010 | Hummer | H3T | Verify engine and piston or ring configuration |
| 2009-2012 | Chevrolet | Colorado | Verify engine and piston or ring configuration |
| 2009-2012 | GMC | Canyon | Verify engine and piston or ring configuration |
Specifications
| Brand | Mahle OE |
|---|---|
| Manufacturer Part Number | 41859CP.030 |
| Product Type | OE Piston Ring Set |
| Fitment Type | Vehicle Specific |
| Condition | New |
| Engine Displacement | 4.8 L |
| Ring Face | Moly |
What's Included
One new Mahle OE piston ring set in the exact size and configuration stated in the specifications. Pistons and installation tools are not included unless expressly listed.
About Mahle OE
Mahle supplies original-equipment and replacement pistons, piston rings, bearings, filtration, thermal-management, and engine components for professional automotive and commercial-engine service.
Related Mahle OE Products
- Shop all Mahle OE products
- Mahle Rings GMC Trk 4.8L/5.3L 1999-2002 Moly Ring Set
- Mahle Rings GMC Trk 4.8L/5.3L 1999-2003 Moly Ring Set
- Mahle Rings Ford Pass 281 4.6L Windsor Eng 96-97 Ford Trk 330 5.4L Eng 97-00 Moly Ring Set
Frequently Asked Questions
Will Mahle OE 41859CP.030 fit my 1999-2000 GMC Sierra 2500?
That vehicle range is listed, but compatibility also depends on the exact engine code, bore, piston design, ring dimensions, oversize, and every current MAHLE application note.
What measurements must match before ordering this ring set?
Confirm finished bore diameter, piston groove dimensions, top, second, and oil-ring thicknesses, cylinder count, ring material, and whether the set is standard or oversize.
Should the engine block be measured before installing new rings?
Yes. Measure bore diameter, taper, out-of-round, surface finish, piston groove clearance, and ring end gap in each assigned cylinder before assembly.
Installation Instructions
Use the current Mahle instructions for part number 41859CP.030 and the engine builder's measured assembly specifications. A qualified machine shop must verify bore finish, clearances, ring gaps, piston orientation, pin fit, deck height, valve clearance, compression ratio, lubrication, torque procedures, and break-in.
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