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Details
| Specification | Value |
|---|---|
| Brand | KOLBENSCHMIDT |
| Length [mm] | 71.65 mm |
| Cylinder Bore [mm] | 83.01 mm |
| Bolt Head Diameter [mm] | 30 mm |
| Compression Height [mm] | 45.65 mm |
| Recess Diameter [mm] | 47.1 mm |
| Bolt Length [mm] | 66 mm |
| Recess Depth 1 [mm] | 15.5 mm |
| Piston Clearance [mm] | 0.06 mm |
OE/OEM numbers (1)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—A 642 030 77 17
Where this part fits
Original-fit position for OE A6420307717. The red ring marks where this part installs on the vehicle.
What's in the kit
This kit ships with 3 factory-matched components. Each part below is supplied as part of the kit; click any linked MPN to view that component on its own.
| # | Part number | Component | Qty |
|---|---|---|---|
| 1 | 66628 | Piston Ring
| 1 |
| 2 | 66890 | Piston Ring
| 1 |
| 3 | 66703 | Piston Ring
| 1 |
About this product
The KOLBENSCHMIDT Piston (41947600) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Fitting Position: 311, Length [mm]: 71, 65 mm, Cylinder Bore [mm]: 83, 01 mm, Bolt Head Diameter [mm]: 30 mm, Production Number: 083245. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit MERCEDES-BENZ models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: A 642 030 77 17. Matching these numbers confirms a like-for-like replacement with no loss of function. KOLBENSCHMIDT is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Suitable cars
No equivalent parts found.
Piston KOLBENSCHMIDT 41947600 — compatible car models
| Car models | MERCEDES-BENZ: C-CLASS T-Model (S204), C-CLASS (W204), E-CLASS Convertible (A207), E-CLASS Coupe (C207), GL-CLASS (X164), GL-CLASS (X166), GLE Coupe (C292), GLE (W166), GLK-CLASS (X204), GLS (X166) (+3 more) |
|---|---|
| Engines | C 350 CDI (204.223); C 350 CDI (204.023); E 350 BlueTEC (207.426); E 350 BlueTEC (207.326); GL 350 CDI 4-matic (164.823); GL 350 CDI / BlueTec 4-matic (166.823, 166.824); 350 d 4-matic (292.323, 292.324); 350 d 4-matic (166.024); 350 CDI 4-matic (204.993); 350 d 4-matic (166.824); ML 350 CDI 4-matic; ML 350 BlueTEC 4-matic (166.024, 166.023); S 350 BlueTec (221.026, 221.126) |
| Year of manufacture | 2005-2019 |
| Manufacturer article number (MPN) | 41947600 |
| OE part numbers | A 642 030 77 17 |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
KOLBENSCHMIDT 41947600 . Bolt Head Diameter [mm]: 30 mm. Bolt Length [mm]: 66 mm. Compression Height [mm]: 45,65 mm. Cylinder Bore [mm]: 83,01 mm. Fitting Position: 311. Length [mm]: 71,65 mm. Piston Clearance [mm]: 0,06 mm. Production Number: 083245
- 1x Piston
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Piston compatible with my car?
This Piston fits MERCEDES-BENZ vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this KOLBENSCHMIDT Piston have?
This KOLBENSCHMIDT Piston has the following specifications: Fitting Position: 311; Length [mm]: 71,65 mm; Cylinder Bore [mm]: 83,01 mm; Bolt Head Diameter [mm]: 30 mm; Production Number: 083245; Compression Height [mm]: 45,65 mm. Check the full specifications table above for complete details.
What OE part numbers does this Piston replace?
This Piston replaces OE part numbers: A 642 030 77 17. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Piston cost?
This KOLBENSCHMIDT Piston is available for £165.99. Piston prices vary depending on brand, specifications, and vehicle compatibility. KOLBENSCHMIDT parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Piston?
Regular inspection of your Piston is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Piston?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Piston fitted by a professional mechanic.
Can I use this part as a replacement for OE A 642 030 77 17?
Yes, this KOLBENSCHMIDT Piston is a direct replacement for OE part number A 642 030 77 17. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the KOLBENSCHMIDT 41947600 the same as the KOLBENSCHMIDT 40027700?
No, while both are Piston parts, they are different products. The KOLBENSCHMIDT 41947600 has Fitting Position: 311, Length [mm]: 71,65 mm, Cylinder Bore [mm]: 83,01 mm. The KOLBENSCHMIDT 40027700 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
