Our 5-12569007-6 valve seals solve the B2B pain point of oil consumption in 3KC1 engines. Specifically for mini-excavators and bus fleets, they ensure a perfect stem wipe, preventing blue smoke and carbon buildup even during prolonged idling and high-load industrial operations.
Item NO.:
5-12569007-6Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSFor wholesalers and agents, the 512569-0076 provides a reliable OEM-spec solution with superior aging resistance. Its high-fluorine rubber protects the engine top-end, helping you build trust with repair centers by providing parts that significantly extend service intervals.
Product Features

High-Grade Fluorine Rubber Crafted from premium FKM (Viton) to resist hardening and chemical wear from high-temperature synthetic engine oils and combustion byproducts.
Precision Tension Garter Spring The integrated spring in the 512569-0076 ensures constant 360-degree sealing pressure, maintaining a tight fit on the valve stem over time.
Advanced Oil Metering Lip Features a specialized profile that ensures essential guide lubrication while strictly preventing excessive oil from entering the combustion chamber.
Superior Thermal Endurance Designed to maintain structural elasticity under the intense thermal cycles of compact diesel engines, preventing seal brittleness and leakage.
Direct OEM Compatibility Manufactured to exact 1:1 original specifications for a seamless fit, ensuring fast installation and immediate restoration of engine efficiency.
Product Specification
| Product Name | Engine Valve Stem Oil Seal |
| OEM Part Number | 5-12569007-6 / 512569-0076 / 5125690076 |
| Engine Model | Isuzu 3KC1 / 3KB1 / 3KR1 |
| Application | Isuzu NPR / NKR Truck, ELF Series, Excavators, Forklifts |
| Material | Provides a rigid, stable mounting base to secure the front of the rocker shaft. |
| Installation Type | Direct Replacement (Standard OEM Size) |
| Thickness | Standard OEM Specification |
| Color | Dark Brown / Black |
| Working Temperature | -50°C to 250°C (High-temperature sealing range) |
| Key Function | Seals the valve stem to prevent engine oil from leaking into the cylinder through the guide. |
| 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