Product Description
MAHLE 224-3963WR-0.50MM piston set with pre-mounted rings delivers OE-grade sealing and durability for 2013–2018 6.7L Cummins rebuilds. The .50 mm oversize, coated-skirt design and MAHLE’s groove geometry stabilize ring seal under heat, towing, and work-truck duty—perfect for stock or mild performance builds that demand long service life.
Fitment
- Ram 2500/3500 (2013–2018) with 6.7L Cummins ISB (24-valve). Verify oversize (+0.50 mm) by ESN and machine work requirements before purchase.
What’s Included
- (Set of 6) MAHLE pistons with pre-mounted rings, plus wrist pins and clips.
Cross-Reference / Related MAHLE Options (Internal Links)
- MAHLE 224-3732WR – Piston Set w/ Rings (STD) for 07.5–18 6.7L
- MAHLE 224-3732WR.020 – Piston Set w/ Rings (+0.020") for 07.5–18 6.7L
- MAHLE 224-3732WR.040 – Piston Set w/ Rings (+0.040") for 07.5–18 6.7L
- MAHLE S42140 – Piston Ring Set (STD) for 07.5–18 6.7L
- MAHLE S42140.020 – Piston Ring Set (+0.020") for 07.5–18 6.7L
- MAHLE 42140.04 – Piston Ring Set (+0.040") for 07.5–18 6.7L
- MAHLE 224-3802 – Marine Bowl Piston Kit (STD) for 07.5–18 6.7L
- MAHLE 224-3802.020 – Marine Bowl Piston Kit (+0.020") for 07.5–18 6.7L
Installation Notes
- Machine work required for +0.50 mm oversize. Hone to MAHLE finish and set piston-to-wall per spec.
- Keep cylinders/pistons matched; verify ring end gap, deck height, and bowl volume.
FAQ
Is this price for one piston or a full set?
This listing is for a complete set of six pistons with rings, pins, and clips.
Do the rings come pre-installed?
Yes—MAHLE supplies these with pre-mounted rings for each piston.
Will these fit every 6.7L Cummins?
They fit 2013–2018 6.7L ISB applications that require +0.50 mm oversize. Always confirm ESN and oversize before ordering.
Do I need additional ring sets?
No—rings are included. If you need separate rings for other piston options, see the MAHLE S42140 series linked above.
Specifications for Mahle 224-3963WR-0.50MM
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | 224-3963WR-0.50MM |
| UPC / GTIN | 639789289155 |
| Oversize | +0.50 mm |
| What’s Included | (Set of 6) pistons with pre-mounted rings, wrist pins, and clips |
| Shipping Info | Free Shipping from CPP Diesel; dimensions/weight vary by packaging (see cart/checkout for final). |
| Application Range | 2013–2018 Ram 2500/3500, 6.7L Cummins ISB (verify ESN & oversize) |
| Prop 65 | This product can expose you to chemicals including lead and lead compounds, known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. |
