Product Description
Restore compression and control oil on your 6.7L Power Stroke rebuild with the MAHLE 42168.04 piston ring set (.040). Engineered to OE standards for 2011–2017 Ford Super Duty (VIN T), this +.040" oversize ring pack uses proven materials and profiles to seat fast and seal hard under heavy tow, tune, and work-truck heat cycles. Sold per cylinder—order 8 sets for a complete V8.
Fitment
- 2011–2017 Ford F-250 / F-350 / F-450 / F-550 Super Duty — 6.7L Power Stroke (VIN T)
Cross-Reference / Alternatives (Mahle on CPP Diesel only)
Notes
Measure and verify bore size, taper, and out-of-round after machining. File-fit ring end-gaps to spec and use the correct plateau hone finish for rapid seating.
FAQ
Is this a full engine set?
No—this is one cylinder’s ring pack. Order 8 for a complete engine.
Will .040" rings work on a standard bore?
No. .040" rings require cylinders bored/honed .040" over. Confirm machine work first.
What materials and profiles are used?
OE-style pack with plasma-moly top, ductile-iron second, and steel oil ring assembly, matched to 6.7L Power Stroke requirements.
Specifications for Mahle 42168.04
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | 42168.04 (aka S42168.040) |
| Oversize | +.040" over |
| Engine Compatibility | 2011–2017 Ford 6.7L Power Stroke (VIN T) |
| UPC | 27067875969 |
| GTIN | 027067875976 |
| Shipping | Calculated at checkout (shipping insurance 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 |
