Our 1-12319018-6 seat rings solve the B2B pain point of frequent seal failure in 6HK1T engines. For TCM equipment, this component provides the precise housing alignment needed for oil seals to function, preventing costly leaks and downtime in demanding mining operations.
Item NO.:
1-12319018-6Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSFor wholesalers and agents, the 112319-0186 ensures high-precision fit and wear resistance. By replacing worn rings with our OEM-standard parts, your clients benefit from restored engine integrity, reduced maintenance cycles, and long-term cost savings for their heavy-duty fleet.
Product Features

High-Precision Dimensional Accuracy The 112319-0186 is machined to exact tolerances, ensuring a perfect concentric fit for the rear oil seal to prevent eccentric wear and leaking.
Enhanced Material Fatigue Resistance Constructed from high-grade alloyed metals to withstand the constant thermal cycling and mechanical stress of heavy-duty industrial engines.
OEM-Equivalent Surface Finish Features a micro-finished surface that minimizes friction and provides a stable mounting base for the crankshaft rear sealing system.
Corrosion and Oxidation Shield Treated with a specialized coating to prevent rust and chemical erosion from engine oil additives, extending the lifespan of the rear engine block.
Product Specification
| Product Name | Crankshaft Rear Oil Seal Seat Ring |
| OEM Part Number | 1-12319018-6 / 112319-0186 / 1123190186 |
| Engine Model | Isuzu 6HK1 / 6HK1T / 6HK1-TC |
| Application | Isuzu NPR / NKR Truck, ELF Series, Excavators, Forklifts |
| Material | High-Strength Alloy Steel / Cast Iron |
| Installation Type | Direct Replacement (Standard OEM Size) |
| Thickness | Standard OEM Specification |
| Color | Silver Grey / Metallic |
| Working Temperature | -40°C to 250°C (High-heat combustion resilience) |
| Key Function | Provides a precision mounting surface and housing for the crankshaft rear oil seal to maintain airtight engine lubrication |
| 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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