Product Description
Restore compression and durability in your 12-valve with the MAHLE 224-3520WR.040 piston set for 1994–1998 5.9L Cummins. This .040" (1.00 mm) oversize set includes pistons pre-fitted with ring packs, wrist pins, and locks—engineered with an expansion-controlled, lightweight design and a top ring positioned 0.335" from the crown for reliable sealing and quiet break-in.
Fitment
- 1994–1998 Dodge Ram 2500/3500 — 5.9L Cummins 12-valve (VIN “C”)
Cross-Reference / Related Mahle Items (CPP Diesel)
- MAHLE 224-3520WR (STD)
- MAHLE 224-3520WR.020 (.020)
- MAHLE 224-3523WR (Marine Bowl, STD)
- MAHLE 224-3523WR.040 (Marine Bowl, .040)
Notes
Block must be bored/honed to +.040" with a proper plateau finish. Always verify piston-to-wall clearance and file-fit ring end gaps to MAHLE/Cummins specs.
FAQ
Is this sold per piston or as a full set?
CPP Diesel sells this as a complete set of six pistons with rings, pins, and locks.
Where is the top ring located?
0.335" from the piston crown per MAHLE spec on the 224-3520WR family.
Does this carry a Prop 65 warning?
Yes. See the warning in the specifications table below.
Specifications for Mahle 224-3520WR.040
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | 224-3520WR.040 |
| Oversize | +.040" (1.00 mm) |
| Engine Compatibility | 1994–1998 Dodge Ram 2500/3500 — 5.9L Cummins 12-valve |
| Top Ring Location | 0.335" from piston crown |
| Includes | (6) pistons with ring packs installed, wrist pins & locks |
| UPC | 027067913524 |
| GTIN | 00027067913524 |
| Shipping | Free Shipping (ground). 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 reproductive harm. Learn more |
| Material / Head | Cast aluminum, bowl crown; non-coated skirt |
| Compression Height | 71.63 mm |
