Our 1-12563059-6 valve seats solve the B2B pain point of valve recession in 6SA1 engines. Built for FVR13 trucks and heavy equipment, these seats offer extreme hardness and impact resistance, ensuring stable compression and power during long-haul transport and intense mining operations.
Item NO.:
1-12563059-6Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYS
For wholesalers and agents, the 112563-0596 provides a reliable OEM-spec solution with superior thermal conductivity. Its precision fit prevents seat loosening under high loads, strengthening your reputation for providing elite Isuzu parts that minimize maintenance costs and fleet downtime.
Product Features
Hardened Heat-Resistant Alloy Forged from premium chromium-alloy steel to prevent surface deformation and impact wear under the intense combustion cycles of the 6SA1 engine.
Superior Heat Dissipation The 112563-0596 allows rapid heat transfer from the valve to the cooling jacket, preventing valve stem warping and extending engine service life.
Micron-Precision Machining Features ultra-precise dimensional accuracy to ensure a 100% airtight seal with the valve face, immediately restoring original engine compression.
Stable Interference Fit Machined to strict tolerances to ensure the seat remains securely positioned in the cylinder head during extreme thermal expansion and contraction.
Direct OEM Interchangeability Manufactured to exact 1:1 original specifications for Isuzu 6SA1 engines, guaranteeing a seamless fit and immediate restoration of performance.
Product Specification
| Product Name | Engine Valve Seat Insert |
| OEM Part Number | 1-12563059-6 / 112563-0596 / 1125630596 |
| Engine Model | Isuzu 6SA1 / 6SA1-T |
| 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 sealing surface for 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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