Complete cylinder head assembly for Hino 300 Series (2011–2021).
OEM: 11101‑78020
Engine: NO4C / NO4CT Diesel
Includes valves.
Direct replacement for commercial trucks.
Restore engine compression and performance with the
COWIN OEM‑Standard Complete Cylinder Head Assembly.
Designed for Hino 300 Series (2011–2021) equipped with
NO4C and NO4CT diesel engines, this fully assembled unit ensures reliable sealing, efficient cooling, and long‑term durability under heavy‑duty commercial use.
| Brand | Model | Series | Year | Engine |
|---|---|---|---|---|
| Hino | 300 Series / Dutro | 717 / 916 / 917 | 2011–2021 | NO4C / NO4CT |
| Hino | 300 Series / Dutro | TKG‑XZU710M | 2011–2021 | NO4C / NO4CT |
Professional installation is strongly recommended.
Heavy‑duty engine work requires precise torque sequences and timing alignment.
Always replace head gasket, bolts, and coolant during installation.
Properly bleed cooling system after installation.
COWIN (Gaoyun) specializes in engine, steering, brake, and filtration components.
Every cylinder head is pressure‑tested for leaks and inspected for dimensional accuracy.
Custom product FAQs
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Yes, we can provide a one-year warranty for each product, so you can sell without any worries.
You can add your logo to our product, and all these can be customized according to your needs.
Yes, please provide product design drawings and size requirements.
Products in stock can be delivered within 7 days, while the lead time for mass production is 30-60 days after receiving the deposit.
The delivery lead time shall take effect under the following conditions: (1) We have received your deposit; (2) We have obtained your final confirmation of the products.
If our delivery lead time cannot meet your deadline, please communicate your specific requirements with your sales representative.
In all cases, we will make every effort to meet your needs, and we can do so in most instances.
Yes, we always use high-quality export packaging. For dangerous goods, we also apply professional dangerous goods packaging; professional packaging and non-standard packaging requirements may incur additional costs.
We have professional service team,we will keep update information about production/packing/shipping/delivery when you place an order.
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