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  • Genuine Sinotruk HOWO Bowl-Shaped Expansion Plug - Part No. 200V91606-0040

Genuine Sinotruk HOWO Bowl-Shaped Expansion Plug - Part No. 200V91606-0040

The 200V91606-0040 Bowl-shaped plug is a critical expansion (or freeze) plug used primarily in the engine block and cylinder heads of Sinotruk HOWO trucks. Its primary function is to seal the casting holes of the coolant or oil galleries, ensuring the system maintains internal pressure without seepage.


Technical Specifications



Part Name Bowl-shaped Plug / Expansion Plug
OEM Part Number 200V91606-0040
Compatible Brand Sinotruk HOWO (D12, WD615 Series Engine)
Material Deep-drawn Cold Rolled Steel (Zinc Coated)
Shape Concave Bowl / Dish Type
Resistance High-temperature & Oil-corrosion Resistance
Fitment Type Direct Replacement (Press-fit)
Application Area Engine Block, Cylinder Head, or Transmission Case