Products Description
Connect：
|
Product name |
Plunger |
|
Part number |
7W0182 |
|
Excavator model |
E245 |
| Engine model | E3208 E3408 |
|
Lead time |
1-3 days after payment |
|
Packing |
neutral/original |
|
MOQ |
1 PC |
|
Quality |
high quality |
|
Warranty |
3-6 months |
|
Shipping |
DHL, UPS, FedEx, Air, Sea, DDP |
|
Payment |
TT/Alibaba Trade Assurance/Credit card/Western Union/Alipay/Wechat |
DETAILED PHOTOS
AISI 4140 alloy steel + heat treatment
Ultra-precision machining (tolerance ±0.01mm)
Ra 0.25μm internal surface finish
1:1 Cat OEM specification
Maintenance & Troubleshooting Guide
- Clean the plunger and barrel with diesel fuel (no alcohol, to avoid surface corrosion).
- Apply special fuel injection pump lubricant to the plunger surface before installation (prevents dry friction during first startup).
- Torque the installation bolt to 5-6 N·m (over-tightening will damage the plunger's precision fit).
| Symptom | Root Cause | Solution |
| Engine power drop | Plunger surface wear (fuel leakage) | Replace with 7W0182 plunger |
| Irregular idle speed | Plunger stuck (carbon deposit) | Clean the fuel system and replace the plunger |
| High fuel consumption | Incorrect plunger fit (tolerance mismatch) | Use 1:1 OEM 7W0182 plunger |
-
Replace the fuel filter every 500 working hours (prevents impurities from scratching the plunger surface).
-
Avoid long-term engine idling (reduces frequent plunger movement and fatigue wear).
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