Product Description
MAHLE S41940 is a standard-size piston ring set for the 2003–2007 Ford 6.0L Power Stroke. Built to OE specs for reliable sealing and oil control, this kit services one cylinder (order qty 8 for a complete engine). GTIN: 027067820266.
- Engine: Ford/Navistar 6.0L Power Stroke V8 (2003–2007 pickup applications)
- Construction: Premium steel/iron rings with plasma-moly/chrome facings (per application)
- Intended use: OE-quality replacement for stock bore (STD)
- Includes rings for top, second, and oil positions (one cylinder set)
Fitment
- F-250 / F-350 / F-450 / F-550 Super Duty: 2003–2007
- Excursion: 2003–2005
- E-Series: E-350 (2004–2010), E-450 (2004–2007)
Specifications
- Set services: 1 cylinder (8 sets required per engine)
- Typical ring stack data (STD set): UCR ≈ 2.31 mm, LCR ≈ 2.00 mm, OCR ≈ 3.46 mm; facings: UCR plasma-moly, OCR chrome
- GTIN/UPC: 027067820266
Cross Reference & Notes
- MAHLE: S41940 (STD). Related oversizes: S41940.010 / .020 (verify bore before ordering)
- Application note: one-cylinder set—order eight for complete V8
FAQ
Does S41940 fit my 6.0L Power Stroke?
Yes—S41940 (STD) fits 2003–2007 6.0L Power Stroke in F-Series and Excursion; also E-Series vans per model years listed above.
How many sets do I need?
This is a single-cylinder set. You need 8 sets to re-ring the entire engine.
Are these performance rings?
They’re OE-quality replacements designed for stock bore sealing with plasma-moly/chrome facings for durability.
Do I need to check end gap?
Yes—always measure and file to spec based on the service manual and intended use.
