Sinotruk Engine Parts

Original Sinotruk D12 Engine Exhaust Valve – VG1246050022 | For HOWO A7, T7 & STQ Trucks

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Product description: Upgrade your D12 engine’s performance with the genuine-spec Sinotruk exhaust valve (VG1246050022). Designed for high-temperature resistance and long service life in HOWO A7, T7, and heavy-duty transpo
INQUIRY

When your Sinotruk D12 engine starts showing signs of power loss, rough idling, or excessive exhaust noise, it might be time to inspect the valve train. The exhaust valve (VG1246050022) plays a critical role in releasing burnt gases under extreme heat and pressure—any wear here directly impacts efficiency and reliability.

Specification
Part Number VG1246050022
Valve Type Exhaust Valve (Single)
Compatible Engine Sinotruk D12 Series (D1236, D1242, D1246)
Total Length 122.5 mm ±0.2 mm
Stem Diameter 8.00 mm (hard chrome plated)
Head Diameter (Disc) 36.5 mm
Seat Angle 45° (with stellite facing)
Material 21-4N Austenitic Steel + Stellite Tip
Surface Treatment Gas Nitriding + Chrome Plating (Stem)
Max Operating Temp Up to 850°C
Fitment Models HOWO A7, T7, STQ, TH7, Cement Mixers, Dump Trucks