Our 8-97031711-6 exhaust seats solve the B2B pain point of thermal cracking in 4LB1 engines. Built for TCM forklifts, these high-spec alloy seats withstand extreme exhaust gas temperatures, preventing valve recession and maintaining torque in demanding material handling environments.
Item NO.:
8-97031711-6Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSFor wholesalers and agents, the 897031-7116 offers OEM-grade durability with superior oxidation resistance. Its precision-engineered fit prevents seat loosening, strengthening your reputation for providing reliable Isuzu parts that minimize maintenance costs and maximize fleet uptime.
Product Features

High-Temperature Cobalt-Base Alloy Forged from premium heat-resistant materials to maintain structural hardness and prevent surface pitting under the intense heat of exhaust cycles.
Superior Thermal Conductivity The 897031-7116 facilitates rapid thermal transfer from the valve to the cylinder head, preventing valve burning and extending engine service life.
Micron-Precision CNC Machining Features ultra-precise dimensional accuracy to ensure a 100% airtight seal, restoring original engine compression and improving overall fuel efficiency.
Stable Interference Fit Machined to strict tolerances to ensure the seat remains securely positioned in the cylinder head during extreme thermal expansion and vibrations.
Direct OEM Interchangeability Produced to original Isuzu specifications, guaranteeing a seamless fit for TCM and 4LB1 industrial engines for immediate performance restoration.
Product Specification
| Product Name | Engine Exhaust Valve Seat Insert |
| OEM Part Number | 8-97031711-6 / 897031-7116 / 8970317116 |
| Engine Model | Isuzu 4LB1 / 4LB1-T |
| Application | Isuzu NPR / NKR Truck, ELF Series, Excavators, Forklifts |
| Material | High-Strength Nickel-Chromium / Cobalt-Based Alloy |
| Installation Type | Direct Replacement (Standard OEM Size) |
| Thickness | Standard OEM Specification |
| Color | Dark Grey / Natural Steel |
| Working Temperature | -60°C to 850°C (High-heat exhaust resilience) |
| Key Function | Provides a heat-stabilized, hardened surface for the exhaust valve to seal against the 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