Our 8-94390783-6 valve seats solve the B2B pain point of engine power loss in 6HK1 engines. Built for ZX330 excavators, these seats feature high-chromium alloys that prevent valve recession and surface pitting under the intense thermal cycles typical of heavy-duty mining operations.
Item NO.:
8-94390783-6Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSFor wholesalers and agents, the 894390-7836 offers an OEM-standard solution that extends cylinder head life. Its superior heat dissipation and impact resistance reduce fleet maintenance costs, helping you build trust with professional repair centers and mining equipment fleet managers.
Product Features

Hardened Chromium Alloy Forged from premium heat-resistant steel to resist surface deformation and oxidation under the extreme combustion temperatures of the 6HK1 engine.
Superior Heat Dissipation The 894390-7836 facilitates rapid thermal transfer from the valve to the cooling jacket, preventing valve stem warping and premature metal fatigue.
Precision CNC Machining Features micron-level surface accuracy to ensure a 100% airtight seal with the valve face, immediately restoring original engine compression and efficiency.
Stable Interference Fit Machined to strict dimensional tolerances to ensure the seat remains securely positioned in the cylinder head during extreme thermal expansion.
Direct OEM Interchangeability Manufactured to exact 1:1 original specifications, ensuring a seamless fit for all ZX330 series and related Isuzu 6HK1 industrial engine applications.
Product Specification
| Product Name | Engine Valve Seat Insert |
| OEM Part Number | 8-94390783-6 / 894390-7836 / 8943907836 |
| Engine Model | Isuzu 6HK1 / 6HK1-T / 6HK1-TC |
| Application | Isuzu NPR / NKR Truck, ELF Series, Excavators, Forklifts |
| Material | High-Strength Chromium-Molybdenum Alloy |
| Installation Type | Direct Replacement (Standard OEM Size) |
| Thickness | Standard OEM Specification |
| Color | Silver Metallic / Natural Steel |
| Working Temperature | -60°C to 800°C (High-heat combustion resilience) |
| Key Function | Provides a hardened, heat-resistant sealing surface for the intake and exhaust valves. |
| 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.

Certificate



What's the shipping way you can offer?
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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