Our 5-12563022-6 valve seats solve the B2B pain point of compression leakage in 4FE1 engines. Built for TCM forklifts and industrial machinery, these seats provide a high-hardness barrier against valve recession, ensuring stable power during high-torque, continuous duty cycles.
Item NO.:
5-12563022-6Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYS
For wholesalers and agents, the 512563-0226 offers an OEM-spec solution with superior heat dissipation. Its advanced alloy composition protects the cylinder head from thermal fatigue, strengthening your reputation for providing reliable Isuzu parts that minimize long-term repair costs.
Product Features
Hardened Chromium Alloy Steel Forged from premium heat-resistant alloys to prevent surface deformation and impact wear under the intense combustion cycles of the 4FE1 engine.
Superior Thermal Conductivity The 512563-0226 facilitates rapid heat transfer from the valve to the cooling jacket, preventing valve stem warping and extending engine life.
Precision CNC Machining Features micron-level surface accuracy to ensure a 100% airtight seal with the valve face, immediately restoring original engine compression.
Stable Interference Fit Machined to strict dimensional tolerances to ensure the seat remains securely positioned in the cylinder head during extreme thermal fluctuations.
Direct OEM Specification Produced as a 1:1 replacement for Isuzu 4FE1 engines, guaranteeing a seamless fit and immediate restoration of performance in industrial equipment.
Product Specification
| Product Name | Engine Valve Seat Insert |
| OEM Part Number | 5-12563022-6 / 512563-0222 / 5125630226 |
| Engine Model | Isuzu 4FE1 / 4FE1-T |
| 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 750°C (High-heat combustion resilience) |
| Key Function | Provides a hardened, heat-resistant surface for valves to seal against the cylinder head. |
| 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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