Product Description
Restore factory sealing, compression, and oil control on your 2003–2007 Ford 6.0L Power Stroke with the MAHLE 41940 complete piston ring set (standard bore). This OE-quality, pre-lapped ring pack is engineered for quick seating on a proper plateau hone—ideal for stock rebuilds, work trucks, and daily drivers.
Fitment
- 2003–2007 Ford F-250 / F-350 / F-450 / F-550 Super Duty — 6.0L Power Stroke (VT365)
- Many 6.0L E-Series vans (verify by VIN and bore size)
- Standard bore only — choose oversize if your block is bored
Cross-Reference / Alternatives (Mahle on CPP Diesel only)
- MAHLE 41940.01 (.010)
- MAHLE 41940.02 (.020)
- MAHLE 41940.03 (.030)
- MAHLE 41940.04 (.040)
- MAHLE S41940 (STD, per-cylinder) — order 8 for a full engine
Notes
Always measure cylinder bore, taper, and out-of-round. Verify and set ring end-gaps to spec for your build and hone finish.
FAQ
Is MAHLE 41940 a complete engine set?
Yes—41940 services all eight cylinders (top, second, and oil control assemblies).
Do these fit every 6.0L?
They fit standard-bore 2003–2007 6.0L Power Stroke (VT365). If your engine is bored over, choose the matching oversize (.010/.020/.030/.040).
Are they pre-lapped / special break-in needed?
Rings are pre-lapped for quick seating with a proper plateau hone. Follow end-gap and honing best practices.
Specifications for Mahle 41940
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | 41940 (Standard Bore) |
| Engine Compatibility | 2003–2007 Ford 6.0L Power Stroke (VT365) |
| UPC | 027067491374 |
| GTIN | 027067491374 |
| Shipping | Calculated at checkout (ground options available) |
| Prop 65 | This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Learn more |