Genuine Sinotruk Parts - Expansion Cup Plug VG1034040028 for HOWO WD615 Engine

High-quality engine block expansion plug (VG1034040028) designed for Sinotruk HOWO WD615 and WD618 series heavy-duty truck engines.

The VG1034040028 Cup Plug (also known as a freeze or expansion plug) is a vital component for the integrity of your Sinotruk engine. Manufactured from high-grade carbon steel with a corrosion-resistant coating, this plug is designed to withstand the extreme thermal expansion and contraction cycles of heavy-load trucking.

As a core part of our Sinotruk parts inventory, it ensures a precision fit in the engine block or cylinder head, preventing coolant leaks and protecting the engine structure from pressure spikes.

Technical Specifications:

• Part Name: Expansion Cup Plug / Bowl Plug

• OEM Part Number: VG1034040028

• Material: Heavy-duty Steel (Anti-corrosion finish)

• Engine Series: Sinotruk WD615, WD618, D10, D12

• Applicable Vehicles: HOWO, HOYUN, Golden Prince, Steyr

• Function: Sealing casting holes and providing pressure relief.