Our 8-97231228-6 valve seats solve the B2B pain point of intake leakage in 4JA1 engines. Built for NHR series and compact excavators, these seats provide a high-hardness surface that prevents valve recession, ensuring stable volumetric efficiency during grueling daily operations.
Item NO.:
8-97231228-6Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYS
For wholesalers and agents, the 897231-2286 offers an OEM-spec solution with superior heat dissipation. Its precision fit prevents seat loosening, strengthening your reputation for providing reliable Isuzu parts that minimize maintenance costs and fleet downtime for your global clients.
Product Features
Hardened Chromium-Moly Alloy Forged from premium heat-resistant steel to prevent surface pitting and impact wear under the intense combustion cycles of the 4JA1 engine.
Superior Thermal Conductivity The 897231-2286 allows rapid heat transfer from the valve to the cooling jacket, preventing valve stem warping and extending valvetrain life.
Micron-Precision CNC Machining Features ultra-precise dimensional accuracy to ensure a 100% airtight seal, immediately restoring engine compression and improving fuel efficiency.
Stable Interference Fit Machined to strict tolerances to ensure the seat remains securely positioned in the head during extreme thermal expansion and contraction cycles.
Product Specification
| Product Name | Engine Inlet Valve Seat Insert |
| OEM Part Number | 8-97231228-6 / 897231-2286 / 8972312286 |
| Engine Model | Isuzu 4JA1 / 4JA1-L / 4JB1 |
| Application | Isuzu NPR / NKR Truck, ELF Series, Excavators, Forklifts |
| Material | High-Strength Chromium-Nickel-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, precision surface for the intake valve 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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