Product Description
MAHLE 224-3802.020 is a .020" oversize, QSB-style marine bowl piston kit engineered for the 2007.5–2018 Cummins 6.7L ISB. Designed for stable skirt geometry and dependable ring seal under heat and load, this kit is a proven foundation for towing, work, and performance builds.
Fitment
- 2007.5–2018 Ram 2500/3500/4500/5500 with 6.7L Cummins ISB (24-valve)
- Bore: .020" over (approx. 107 mm / 4.210")
- Includes: Set of six (6) pistons with pins and clips (rings sold separately)
Cross-Reference / Alternatives (MAHLE on CPP Diesel)
- Standard bore (STD): MAHLE 224-3802 (STD)
- Ring set STD: MAHLE S42140 (STD)
- Ring set .020: MAHLE S42140.020 (.020)
- Pistons w/ rings (.020): MAHLE 224-3732WR.020
- Pistons w/ rings (STD): MAHLE 224-3732WR (STD)
Specifications for Mahle 224-3802.020
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | 224-3802.020 |
| Engine | Cummins 6.7L ISB (2007.5–2018) |
| Bowl Design | Marine / QSB-style |
| Bore Size | +.020" over (approx. 107 mm / 4.210") |
| Rings | Not included; use MAHLE S42140.020 (.020 over) |
| Includes | (6) Pistons with pins and clips |
| Shipping | Free Shipping (standard ground) |
| UPC | Not specified |
| GTIN | Not specified |
| 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. |
FAQ
Is the price for one piston or a complete set?
The listed price is for a complete set of six (6) pistons.
Do these include piston rings?
No. Order MAHLE S42140.020 ring sets for .020" oversize builds (sold per cylinder).
Will the marine/QSB bowl work with my injectors?
The QSB-style bowl is commonly used with 5.9-style spray patterns. Verify injector and spray pattern compatibility for your specific setup.
