Engineered to eliminate pressure loss in 4JB1 cooling systems, the 5-11219018-0 water cover provides the precise thermal seal required for NKR55 trucks. This critical component prevents coolant leaks, protecting your engine from overheating and catastrophic damage in mining and logistics.
Item NO.:
5-11219018-0Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSThe 511219-0180 features high-density alloy construction that outperforms generic alternatives in thermal shock resistance and vibration durability. By choosing this OEM-standard replacement, you reduce maintenance frequency and ensure maximum operational uptime for your heavy-duty fleets.
Product Features

High-Pressure Sealing Integrity The 511219-0180 is precision-machined to ensure a perfect gasket interface, preventing critical coolant leaks during continuous, high-load usage.
Anti-Corrosion Alloy Construction Constructed from reinforced cast alloy to withstand chemical additives and extreme temperature cycling, preventing internal oxidation and decay.
Vibration-Resistant Durability Designed to withstand the intense harmonic vibrations of the 4JB1 engine, ensuring structural integrity and preventing cracking in field conditions.
Seamless 1:1 OEM Compatibility Engineered to exact Isuzu dimensions for the NKR55 assembly, allowing for rapid, bolt-on replacement without the need for additional modifications.
Product Specification
| Product Name | Diesel Engine Water Pump Cover / Water Inlet Cover |
| OEM Part Number | 5-11219018-0 / 511219-0180 / 5112190180 |
| Engine Model | Isuzu 4JB1 / 4JB1-T / 4JC1 / 4JA1 |
| Application | Isuzu NPR / NKR Truck, ELF Series, Excavators, Forklifts |
| Material |
|
| Installation Type | Direct Replacement (Standard OEM Size) |
| Thickness | Standard OEM Specification |
| Color | Industrial Grey / Metallic Alloy Finish |
| Working Temperature | --45°C to 125°C (High-heat exhaust resilience) |
| Key Function |
|
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Neutral Packing / Customized Box |

Why Choose Us
1.We have profession isuzu team,more than 20 years experience business isuzu parts.
2. We can offer used and new isuzu genuine parts, oem,good quality made in china parts to you.
3. The isuzu genuine parts will give weight,price when quotation.
4.Isuzu genuine stock pictures will send before order.
5.All isuzu parts can check with part number,all parts can order follow part number.
6. Quick delivery time,in 24 hours if sotck.
7. Safe packing to protect the goods, such as wooden box, Iron sheet for our isuzu parts.
8. Small quantity can accept.Sample order also accept.
9. 24 hours oversea service.
10.Lifelong after-sales service.

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1) Big order: By sea or by air.(It can reduce the costs)
2) Small order: DHL, TNT, UPS, FEDEX, EMS,ARAMEX

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