In stock: High-performance pistons for CAT 3516, 3516B, 3516C, and 3516E engines. These OEM-standard replacement parts are engineered for heavy-duty marine, mining, and power generation applications.
Current Part Numbers Available: 7C2431 | 331-9822 (3319822) | 448-0574 (4480574)
| Part Number | 7C2431 / 331-9822 / 448-0574 |
| Engine Model | CAT 3516 / 3516B / 3516C Industrial & Marine |
| Type | Articulated Piston Assembly (Steel Crown / Alum Skirt) |
| Condition | Brand New, OEM Standard Quality |
| Stock Status | Ready to Ship (Fast Dispatch) |
| Payment | T/T, Western Union, MoneyGram |
| Key Features | Standard Grade | Our Premium Replacement |
|---|---|---|
| 1. Material | Low-grade alloy | Forged Steel Crown for high combustion pressure |
| 2. Life Cycle | Standard | Extended Service (Ni-Resist ring inserts) |
| 3. Fitment | Approximate | 100% Match for 7C2431/331-9822 specs |
| 4. Cooling | Basic | Internal Oil Gallery for thermal protection |
| 5. Resistance | Normal | Anti-scuffing skirt coating |
| 6. Performance | Generic | Heavy-Load Stability for Marine/Genset |
Not sure how this issue affects your equipment? Our team helps operators:
Identify potential risks during maintenance.
Recommend suitable replacement parts if needed.
Support both inspection advice and parts supply.
Q: Why use 331-9822 instead of old versions?
A: The 331-9822 (3319822) features updated crown metallurgy to handle higher peak cylinder pressures in 3516B engines, preventing crown cracking.
Q: High oil consumption in 3516C engines?
A: Often caused by ring groove wear. Replacing with 448-0574 (4480574) restores oil control and prevents blow-by.
Q: Why Choose This Piston?
A: OEM-standard tri-metal structure, 100% factory tested, and trusted by repair shops & equipment fleets globally.
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