Mercedes OM651 83mm Piston & Ring Set - STD Size A6510302017
Precision OEM Construction: Built to exact Mercedes-Benz tolerances for maximum reliability.
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- First indexed
- 07 Sep 2026
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Overview
This OEM-quality piston set (83mm standard size) is precision-engineered for Mercedes-Benz OM651 diesel engines, offering reliable performance and exact fitment. Designed to meet or exceed factory specifications, it provides exceptional strength, efficient combustion, and long service life - making it the ideal replacement for worn or damaged pistons in Mercedes-Benz diesel vehicles.
OEM Reference Numbers
A6510301117 A6510303217 A6510302217 A6510301917 A6510302017 A6510301017
Vehicle Compatibility
Compatible with a wide range of Mercedes-Benz vehicles fitted with OM651 engines, including:
- C-Class (W204 / C204 / S204) - C180 CDI, C200 CDI, C220 CDI, C250 CDI, including 4MATIC variants (2007-2015)
- E-Class (W212 / C207 / A207 / S212) - E200 CDI, E220 CDI / BlueTEC, E250 CDI / BlueTEC, E300 BlueTEC Hybrid (2009-2016)
- CLS (C218 / X218) - CLS 220 / 250 CDI / BlueTEC / d (2011-2017)
- M-Class / GLE (W166) - ML 250 CDI / BlueTEC 4MATIC, GLE 250 d (2011-2018)
- GLK-Class (X204) - 200 / 220 / 250 CDI models (2008-2015)
- S-Class (W221) - S250 CDI (2011-2013)
- SLK / SLC (R172) - 250 CDI / 250 d (2011-2017)
- Sprinter (B906) - 210-516 CDI Van / Bus / Chassis variants (2009-2018)
Engine Codes Supported: OM651.911, OM651.912, OM651.913, OM651.916, OM651.924, OM651.925, OM651.940, OM651.955, OM651.956, OM651.957, OM651.960, OM651.961, OM651.980
Technical Specifications
SpecificationValueCylinder Bore83.00 mmLength76 mmCompression Height48.5 mmPiston Pin Length66 mmPiston Pin Diameter30 mmRecess Depth 113.25 mmRecess Diameter49.4 mmValve Pocket Depths0.86 mm / 1.54 mmTop Land Height12.2 mmPiston Clearance0.120 mmNet Weight983 gProduction Number83 L 118Component Codes1. R2.00 IF CrK / 2. M1.75 IFU P / 3. DSF 2.00 Cr
Design & Features
- Precision OEM Construction: Built to exact Mercedes-Benz tolerances for maximum reliability.
- Cooled Piston Design: Includes oil cooling duct and piston ring carrier for improved heat management.
- Machined for Oil Jet Cut-Out: Ensures proper lubrication and longevity.
- Durable Materials: Engineered from high-strength aluminum alloy with chromium-plated ring lands.
- Enhanced Efficiency: Optimized compression height and crown geometry for balanced performance.
- Corrosion-Resistant Finish: Extends service life even in high-demand diesel applications.
Packaging Details
- Packaging Dimensions: 12.8 × 9.5 × 9.5 cm
- Net Weight: 0.983 kg
- Supplied As: 1 × Piston (includes carrier and cooling duct components)
Why Choose This Piston Set
- Genuine OEM-equivalent specification
- Engineered for OM651 Diesel Engines used across multiple Mercedes models
- Improves performance, fuel efficiency, and engine longevity
- Ideal for engine rebuilds or precision replacements
- Backed by reliable OEM manufacturing standards
Fitment Verification
Before ordering, please confirm your engine code (OM651.x) or OEM part number.
For assistance, you can provide your VIN to verify compatibility.
What's in the box
1 X 651 Pistons STD
