Our 9-12626005-6 side cover solves the B2B pain point of oil leakage and contamination in 4JG1 engines. Designed for UBS68 and excavators, this precision-stamped cover ensures a perfect seal, preventing abrasive mine dust from entering the valve train and causing premature wear.
Item NO.:
9-12626005-6Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSFor wholesalers and agents, the 912626-0056 offers a reliable OEM-fit solution that reduces maintenance call-backs. With superior warp resistance and corrosion-proof coating, this part protects engine integrity, helping you secure the trust of high-demand industrial and fleet clients.
Product Features

High-Precision Sealing Surface The mounting face is precision-machined to ensure a leak-proof fit for the 912626-0056, preventing oil seepage under high vibration.
Heavy-Duty Steel Construction Forged from high-grade carbon steel to resist structural warping and impact damage in harsh construction and mining environments.
Advanced Corrosion Protection Treated with an industrial-grade surface finish to withstand moisture and chemical exposure, ensuring a long and rust-free service life.
Optimized Thermal Stability Engineered to maintain its shape and sealing integrity during extreme engine heat cycles, protecting the internal rocker arm assembly.
Strict OEM Compatibility Directly replaces the original part with 1:1 dimensional accuracy, allowing for rapid installation and reduced equipment downtime.
Product Specification
| Product Name | Valve rocker shaft side cover |
| OEM Part Number | 9-12626005-6 / 912626-0056 / 9126260056 |
| Engine Model | Isuzu 4JG1 / 4JG1-T / 4JG2 |
| Application | Isuzu NPR / NKR Truck, ELF Series, Excavators, Forklifts |
| Material | High-strength alloy steel (e.g., 20Cr, 45Cr), hardened and tempered for wear resistance |
| Installation Type | Direct Replacement (Standard OEM Size) |
| Thickness | Standard OEM Specification |
| Color | Bright Polished Steel / Anti-Rust Oiled |
| Working Temperature | -40°C to 160°C (Standard engine thermal range) |
| Key Function | Seals the side of the rocker shaft assembly to prevent oil loss and exclude contaminants. |
| 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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