KOLBENSCHMIDT 93968610 Benz Engine Piston Set 1020300337 93821603 96.525

( Brand: Kolbenschmidt ), ( Manufacturer Part Number: 93968610 ), ( Part Type: Engine Piston ), ( Ipn: 1020300337 ), ( Country Of Origin: Germany ), ( Location: Kb-57 )

Review KOLBENSCHMIDT Engine Piston Set 96.525mm Mercedes benz fits M117 525

The **Kolbenschmidt 93968610 / 93821603 Engine Piston Set (96.525) for Mercedes-Benz M117** represents a precision-engineered component designed to restore peak performance and reliability to the robust yet aging inline-six engine architecture found in select Mercedes-Benz models, particularly those equipped with the legendary **M117** engine family. This high-quality piston set is meticulously crafted to meet or exceed OEM specifications, ensuring seamless integration with the original engine components while delivering enhanced durability and efficiency. The **96.525** designation indicates a specific oversize dimension, allowing for a slight increase in piston diameter to accommodate wear in the cylinder bore over time, thereby extending the engine s lifespan without compromising on power output or smooth operation. Each piston in this set is forged from high-grade aluminum alloy, featuring a **honeycomb-type piston crown** optimized for superior heat dissipation and reduced thermal stress, which is critical for maintaining structural integrity under the demanding conditions of high-performance driving or extended use. The **piston rings** comprising a top compression ring, a secondary compression ring, and an oil control ring are precision-machined to ensure minimal friction and optimal sealing, preventing blow-by and preserving lubrication efficiency. The **connecting rod bolts** included in the set are made from high-strength steel, often featuring a **fine-thread design** for improved clamping force and resistance to loosening under vibration, a common failure point in aging engines. This piston set is engineered to fit seamlessly into the **M117** engine variants, which were originally introduced in the late 1970s and early 1980s, powering iconic models like the **280E, 380SE, and 420SE**, as well as later iterations with minor modifications. Whether restoring a classic Mercedes-Benz to its former glory or addressing wear in a well-loved daily driver, this Kolbenschmidt piston set offers a reliable, cost-effective solution that combines engineering precision with the brand s reputation for quality. Proper installation, including the use of high-temperature piston ring coating and correct torque specifications, is essential to ensure long-term performance and prevent premature wear.

### **Pros and Cons of buying a Kolbenschmidt 93968610 / 93821603 Engine Piston Set (96.525) for Mercedes-Benz M117**

#### **Pros**

1. **OEM Quality and Compatibility** Kolbenschmidt is a well-respected manufacturer known for producing high-quality, OEM-level piston sets. These parts are designed specifically for the Mercedes-Benz M117 engine (common in models like the E200, E220, and E280 from the 1996 2002 generation), ensuring a perfect fit and reliable performance.

2. **Durability and Performance** The forged pistons in this set are engineered to withstand high stress, reducing the risk of warping or failure under heavy loads. This makes them suitable for both daily driving and light performance applications.

3. **Improved Engine Reliability** If your engine has signs of wear (e.g., excessive oil consumption, knocking, or low compression), replacing the pistons can restore proper function, prevent catastrophic failure, and extend the engine s lifespan.

4. **Compatibility with Upgrades** If you plan to modify your engine (e.g., forced induction, camshaft upgrades, or increased compression), these pistons provide a solid foundation for such modifications.

5. **Warranty and Support** Reputable suppliers of Kolbenschmidt parts often offer warranties, and the brand itself has a strong reputation for reliability, reducing long-term concerns about part failure.

6. **Easier Maintenance** Since these pistons are designed for the M117, they align with standard service procedures, making installation and maintenance more straightforward compared to aftermarket parts that may require additional machining or adjustments.

---

#### **Cons**

1. **High Cost** OEM-quality piston sets are significantly more expensive than budget aftermarket alternatives. The price reflects the brand s reputation and the precision engineering involved, which may not be justified for casual drivers or those on a tight budget.

2. **Installation Complexity** Replacing pistons requires disassembling the engine, which is a labor-intensive process. Unless you have mechanical experience, this job is best left to a professional mechanic, adding to the overall cost.

3. **Potential for Overkill** If your engine is not severely worn or if you re not planning major modifications, these pistons may be more than necessary. In such cases, a simpler rebuild (e.g., just rings or valves) could suffice.

4. **Limited Availability of Parts** While Kolbenschmidt parts are reliable, sourcing them may require ordering from specialty suppliers rather than mainstream auto parts stores, which could delay repairs.

5. **Risk of Contamination or Damage During Installation** If not handled carefully, pistons can be scratched or damaged during installation, especially if the engine block or crankshaft has nicks or debris. This risk applies to any piston replacement but is worth noting.

6. **Depreciation Consideration** If you re restoring a classic Mercedes-Benz for resale, the cost of OEM pistons may not be fully recouped in the vehicle s resale value, depending on the market.

---

### **Conclusion**

The Kolbenschmidt 93968610 / 93821603 piston set is an excellent choice for Mercedes-Benz M117 engines that require a rebuild or significant restoration. Its OEM quality, durability, and compatibility make it ideal for serious drivers, restorers, or those planning engine modifications. However, the high cost and labor-intensive installation process mean it s not the best option for minor repairs or budget-conscious projects.

If your engine is showing critical wear (e.g., metal-on-metal contact, excessive oil consumption, or compression loss), investing in these pistons is a wise long-term decision. For less severe issues or casual use, evaluating whether a simpler rebuild or aftermarket alternative would suffice may be more practical.

### **Recommendation**

- **Buy if:** You re performing a full engine rebuild, planning modifications, or your engine is exhibiting severe wear that necessitates a high-quality piston set. The OEM-level parts will ensure reliability and longevity.

- **Consider alternatives if:** Your engine only needs minor repairs (e.g., rings, valves, or a crankshaft rebuild) or if budget constraints make the cost prohibitive. In such cases, a reputable aftermarket piston set (e.g., Mahle, Wagner, or Forged) could offer a cost-effective solution without sacrificing quality.

- **Proceed with caution:** Ensure the installation is done by a skilled mechanic to avoid damage to the pistons or other engine components. Always inspect the engine block and crankshaft for wear or damage before committing to the replacement.

For most M117 engines requiring a rebuild, the Kolbenschmidt pistons are the safest and most reliable choice, but weigh the cost against your specific needs before purchasing.

Details:

The quoted shipping prices are within the 48 states only.

part #: 93968610 prices

• $113.00-$499.00

specifications pistonringro:

• for models: M117, 525
• for makes: Mercedes
• brand: Kolbenschmidt
• mpn: 93968610
• part type: Engine Piston
• ipn: 1020300337
• country of origin: Germany
• location: Kb-57

shipping pistonringro:

• transit: 3-8 Days
• cost: $29.99
• class: Standard
• type: Fixed
• service: Standard

general pistonringro:

• Car Truck Parts Accessories > Engines Engine Parts > Pistons Rings
• condition: Used

seller pistonringro:

• city: Ontario, California
• rating: 99.9%
• # reviews: 33778

returns pistonringro:

• policy: No Returns

payments pistonringro:

• other
• credit card: Mastercard
• wallet: Google-pay

offer pistonringro:

• sold: 0
• best offers: True
• started: June 8, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 2

Kolbenschmidt 93968610 Is Similar To:

• 068107065e Ks Kolbenschmidt New Piston W-rings (38.8% similar) Shipping labels may only be applied to a separate, outer box. Vehicles sold outside of the USA may be different, even if they have same make and model name...(March 12th, 2017)
• 6120300517 Ks Kolbenschmidt New Engine (34.7% similar) Vehicles sold outside of the USA may be different, even if they have same make and model name. Shipping labels may only be applied to a separate, outer box...(April 24th, 2017)
• Piston 6160306417 Rings 90.9mm Ks Kolbenschmidt (20% similar) ...(March 12th, 2015)
• 6470300217 Ks Kolbenschmidt New Engine Piston (43.8% similar) Shipping labels may only be applied to a separate, outer box. Vehicles sold outside of the USA may be different, even if they have same make and model name...(January 24th, 2017)
• 92737600 090185 90 48 Sp0 02 Kolbenschmidt Oe Piston Wrings Saab Taunus (36.4% similar) This item has never been previously installed and is in near perfect factory mint condition view all photos carefully showing very minor light shelf-wear, dirt or dust after many years of dry parts room storage. Please examine carefully and do you own research. This offer listing is for one 1 only, ...(January 6th, 2019)
• 6470300117 Ks Kolbenschmidt New Piston W Rings 884109010920 (40.8% similar) Shipping labels may only be applied to a separate, outer shipping box...(July 1st, 2016)
• Pl-87430600std Kolbenschmidt Engine Connecting Rod 4028977087998 (35.4% similar) ...(December 8th, 2017)
• Pl-87731600 Kolbenschmidt Engine Connecting Rod (38.5% similar) 0L-L4 please feel free to contact me with any questions. Please feel free to contact me about sourcing other parts...(April 18th, 2017)
• W0133-1736027 B2c Central Engine Piston-kolbenschmidt (32.4% similar) Brands: voltaic inc. This part fits vehicles made in the following years 1997 , 1998 , 1999 , 20 2001 . 8t sedan 4-DOOR, avaunt wagon base coupe 2-DOOR, GL hatchback GLS turbo GLX GTI sport 2-DOOR...(September 8th, 2017)
• Kolbenschmidt 1722497 6x Oem Bmw E36 325i E34 525i M50b25 Non Vanos Engine Pistons Rods 83.98mm (41.6% similar) 6x oem BMW E36 325I E34 525I M50B25 non vans engine pistons rods 83.98MM in good condition...(May 5th, 2024)
• Ks Kolbenschmidt 930.103.981.04 84-89 Porsche 911 3.2 Carrera 95mm Piston And Cylinder Set (39.3% similar) Cylinder 3.7411. Used, good condition. Piston 3.7395...(October 15th, 2025)