Product Description
Restore factory power, low blow-by, and quiet operation with the MAHLE 224-3520WR.020 piston set for 1994–1998 5.9L Cummins 12-valve. This .020" (0.50 mm) oversize, expansion-controlled design features the top ring located 0.335" from the crown for reliable sealing under heavy tow and work-truck heat cycles. Sold as a complete set of six pistons with rings, wrist pins, and locks.
Fitment
- 1994–1998 Dodge/Ram 2500 & 3500 — 5.9L Cummins 12-valve (VIN “C”)
Cross-Reference / Alternatives (Mahle on CPP Diesel only)
- MAHLE 224-3520WR (STD)
- MAHLE 224-3520WR.040 (.040)
- MAHLE S42221 (STD Ring Set) — 5.9L
- MAHLE S42221.020 (.020 Ring Set) — 5.9L
Helpful Notes
Block must be bored and plateau-honed to +.020". Verify piston-to-wall clearance and file-fit ring end gaps to MAHLE/Cummins specifications. Always check pin/bushing clearance and rod alignment during assembly.
FAQ
Is the price per piston or for a full set?
CPP Diesel sells this as a complete set of six (6) pistons with rings, wrist pins, and locks.
Where is the top ring located?
0.335" from the piston crown per the 224-3520WR family spec.
Does this include Free Shipping?
Yes—Free Ground Shipping is listed on this product. Optional shipping insurance is available at checkout.
Specifications for Mahle 224-3520WR.020
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | 224-3520WR.020 |
| Oversize | +.020" (0.50 mm) |
| Engine Compatibility | 1994–1998 Dodge/Ram 2500–3500, 5.9L Cummins 12-valve (VIN “C”) |
| Top Ring Location | 0.335" from piston crown |
| Includes | (6) pistons with rings installed, wrist pins & locks |
| UPC | 027067913517 |
| GTIN | 027067913517 |
| Shipping | Free Ground Shipping; optional shipping insurance available at checkout |
| 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 |
