Our 1-12563060-6 valve seats solve the B2B pain point of valve recession in 6WA1 engines. Built for CXH50S heavy equipment, these seats provide extreme hardness and impact resistance, preventing compression loss and power drops in grueling 24/7 mining and haulage environments.
Item NO.:
1-12563060-6Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSFor wholesalers and agents, the 112563-0606 offers an OEM-grade alloy solution with superior thermal conductivity. Its precision fit prevents seat loosening, strengthening your reputation for providing elite Isuzu parts that maximize engine longevity and reduce expensive fleet downtime.
Product Features

High-Chromium Wear Alloy Forged from premium heat-resistant steel to resist surface deformation and pitting under the intense pressure of 6WA1 combustion cycles.
Superior Heat Dissipation The 112563-0606 facilitates rapid thermal transfer from the valve to the cooling jacket, preventing valve stem warping and premature fatigue.
Micron-Precision Machining Features ultra-precise dimensional accuracy for a perfect interference fit, ensuring the seat remains stable during extreme thermal expansion.
Corrosion and Oxidation Resistance Specifically treated to withstand high-temperature combustion gases, maintaining a long-term airtight seal in the harshest industrial conditions.
Direct OEM 1:1 Replacement Manufactured to exact original Isuzu specifications to ensure seamless installation and the immediate restoration of engine compression and efficiency.
Product Specification
| Product Name | Engine Valve Seat Insert |
| OEM Part Number | 1-12563060-6 / 112563-0606 / 1125630606 |
| Engine Model | Isuzu 6WA1 / 6WA1-T / 6WA1-TC |
| Application | Isuzu NPR / NKR Truck, ELF Series, Excavators, Forklifts |
| Material | High-Strength Chromium-Molybdenum Steel 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 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

Our hours