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  Our 1-12563049-6 valve seats solve the B2B pain point of power loss in 6SA1 engines. Built for FVR13 trucks and heavy excavators, these high-hardness alloy seats prevent valve recession and surface pitting, ensuring stable compression during grueling long-haul and mining operations.

Our 1-12563056-6 valve seats solve the B2B pain point of compression loss in 6WG1T engines. Built for ZX450-3 mining excavators, these high-chromium alloy seats prevent valve recession and surface pitting under the intense thermal cycles of 24/7 heavy-duty earthmoving operations.