Our 8-94393131-6 shaft seat solves the B2B pain point of valvetrain vibration in 4HK1 engines. Built for ZX200-3 excavators, it ensures rigid shaft alignment and prevents timing drift, maintaining peak performance in high-intensity mining and construction environments.
Item NO.:
8-94393131-6Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSFor wholesalers and agents, the 894393-1316 offers a reliable OEM-grade solution that minimizes maintenance overhead. Its superior cast integrity and thermal resistance protect the engine top-end, strengthening your reputation as a trusted supplier of elite Isuzu parts.
Product Features

High-Density Forged Alloy Constructed from premium industrial alloy to resist cracking and structural warping under continuous high-torque mechanical stress.
Micron-Level Boring Precision Features precision-machined bore diameters for the 894393-1316, ensuring a perfect shaft fit and zero-vibration valve timing alignment.
Superior Thermal Stability Engineered to maintain geometric accuracy even during extreme engine heat cycles, preventing the shaft binding common in low-grade alternatives.
Integrated Lubrication Channels Includes optimized oil passages to ensure constant lubricant flow to the rocker shaft, effectively reducing friction and extending component life.
Direct OEM Compatibility Directly replaces the original bracket with 1:1 dimensional accuracy, allowing for rapid installation and significantly reduced equipment downtime.
Product Specification
| Product Name | Engine Valve Rocker Arm Shaft Seat / Support Rose |
| OEM Part Number | 8-94393131-6 / 894393-1316 / 8943931316 |
| Engine Model | Isuzu 4HK1 / 4HK1-T / 6HK1 |
| Application | Isuzu NPR / NKR Truck, ELF Series, Excavators, Forklifts |
| Material | Provides a rigid, stable mounting base to secure the front of the rocker shaft. |
| Installation Type | Direct Replacement (Standard OEM Size) |
| Thickness | Standard OEM Specification |
| Color | Industrial Gray / Natural Metallic |
| Working Temperature | -40°C to 160°C (Standard engine thermal range) |
| Key Function | Provides a rigid mounting base to secure and align the rocker shaft within the valvetrain. |
| 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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