SCREW CYL HEAD B 8943995550 suitable for the 700P model fitted with 4HK1 4HF1 4HG1 engines
- Product Item : 8943995550
- Category： Isuzu Genuine Parts
- Compatibility:4HK1 4HF1 4HG1
- Part name:SCREW CYL HEAD(B)
- Packing type: Isuzu original packing
- Delivery time: 5-8 working days
| CATEGORY | SPECIFICATION |
| Part name | SCREW CYL HEAD(B) |
| Part number | 8943995550 |
| Brand | Isuzu Select Parts |
| Model | 700P |
| Engine model | 4HK1 4HF1 4HG1 |
| Packing quantity | 1 pcs |
| Material | Grade 12.9 high-strength alloy steel |
| Weight | About 35g |
| size | M10 × 43 mm |
| Package | Original ISP packing |
| Delivery time | 5-8 working days |
| Payment Terms | T/T, Western Union, Paypal |
Design Philosophy
High-strength alloy steel cylinder head bolt (Grade 12.9, M10×43mm) cold-forged and heat-treated to maintain continuous structural clamping force under extreme engine compression. Black oxide coating ensures corrosion resistance and reliable sealing in Isuzu commercial diesel engines.
How It Works
Threaded into the engine block through the cylinder head, this bolt clamps the head and gasket against the block. When tightened to specified torque and angle, it stretches elastically to generate clamping force that seals combustion pressure, coolant, and oil passages.
Problems It Solves
Fixes cylinder gasket blowouts, coolant leaks, and compression loss caused by stretched, corroded, or reused head bolts. New bolts restore proper clamping force and ensure reliable combustion sealing in 700P / NQR75 / NPR75 trucks.
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