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Sealed Power 2785PN Engine Piston
| Brand | Sealed Power 2785PN |
|---|---|
| Oversized | No |
| Grade Type | Premium |
| Top Compression Ring Thickness | 3.00 |
| Second Compression Ring Thickness | 2.00 |
| Oil Ring Thickness | 3.00 |
| Piston Pin Outside Diameter | 34.50 |
| Piston Head Type | Bowl |
| Assembly Lubricant Included | No |
| Cylinder Bore Diameter | 103.00 |
| Piston Material | Cast aluminum |
| Compression Height | 49.60 |
| Part Description | Engine piston |
| Fits | Chevrolet and GMC · 47 vehicles |
Premium grade. Built for demanding modern engines.
Cast aluminum construction. Balances strength with reduced weight.
Bowl piston design. Supports efficient combustion in the cylinder.
Cross-references 2243935, 19256949 and 19260446 for the same application. See all 4.
$95.73Free shipping
In stock · usually ships same day before 1pm CST
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Engine Piston for Heavy-Duty GM Diesel Applications
The Sealed Power 2785PN engine piston is a premium cast aluminum replacement built for select GM heavy-duty diesel engines. It features a bowl-type piston head, standard bore sizing, and ring groove widths matched to the listed application for accurate engine rebuild work.
Key Features
- Premium-grade engine piston from Sealed Power
- Cast aluminum piston material for rebuild applications
- Bowl-type piston head design
- 103.00 mm cylinder bore diameter
- 49.60 mm compression height
- 34.50 mm piston pin outside diameter
- Ring groove widths: 3.00 mm top, 2.00 mm second, 3.00 mm oil
- Standard size, not oversized
Detailed Description
Sealed Power 2785PN is an engine piston engineered for 2011-2016 Chevrolet Silverado 2500 HD and Silverado 3500 HD, 2012-2016 Chevrolet Express 2500 and Express 3500, and 2011-2016 GMC Sierra 2500 HD, Sierra 3500 HD, Savana 2500, and Savana 3500. The bowl-style crown and standard dimensions support rebuilds that require the specified bore, pin diameter, and compression height. This part cross-references OE numbers 2243935 and 19256949 for the same application.
Common Repair Uses
- Restores compression in worn diesel cylinders
- Replaces pistons damaged by heat, scoring, or ring land wear
- Supports engine rebuilds after high-mileage service
- Addresses loss of sealing caused by piston or ring groove wear
- Helps correct low compression and related drivability concerns
Installation Notes and Tips
Verify cylinder bore diameter, compression height, and piston pin size before assembly. Match the ring groove widths to the specified 3-ring configuration and confirm the piston is correct for the engine code and rebuild specification. Clean the cylinder block thoroughly, inspect the connecting rod and wrist pin fit, and follow factory torque and clearance procedures during installation. Assembly lubricant is not included.
Quality Assurance
Sealed Power uses modern materials and ISO- and QS-certified manufacturing processes to produce engine components that meet demanding service requirements. The 2785PN is a premium replacement piston built for consistent fit and rebuild accuracy in the listed Chevrolet Express, Silverado HD, and GMC Savana and Sierra applications.
This part fits 47 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2016 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2016 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2016 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2016 | GMC | Savana 2500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2016 | GMC | Savana 3500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2016 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2016 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2015 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2015 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2015 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2015 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2015 | GMC | Savana 2500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2015 | GMC | Savana 3500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2015 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2015 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2014 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2014 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2014 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2014 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2014 | GMC | Savana 2500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2014 | GMC | Savana 3500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2014 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2014 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2013 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2013 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2013 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2013 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2013 | GMC | Savana 2500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2013 | GMC | Savana 3500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2013 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2013 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2012 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2012 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2012 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2012 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2012 | GMC | Savana 2500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2012 | GMC | Savana 3500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2012 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2012 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2011 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | — |
| 2011 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2011 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2011 | GMC | Savana 2500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2011 | GMC | Savana 3500 | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2011 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
| 2011 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | 3 Ring Piston; Bowl Type; Ring Groove Widths: 3.02 (mm) , 2.0 (mm) , 3.0 (mm); Sold Individually; Standard |
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Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
2243935192569491926044619301155