Description
Product Overview
Part Name: Engine Valve Spring
Part Number: 21310068
Vehicle Compatibility: Designed for Volvo D9, D11 and D12 diesel engines used in Volvo FH/FM trucks and Volvo Penta industrial/marine units (VF-3210 series) produced between 2004–2024. Suitable for long-haul, construction and stationary engine applications requiring OE-spec valve control.
Configuration: Built from high-tensile alloy spring steel with precision winding and controlled tension. Engineered to withstand high combustion pressure, long operating cycles and thermal stress in Volvo heavy-duty engines.
Function: Provides stable valve closing force, prevents valve float at higher RPM, maintains valve timing accuracy and ensures reliable combustion sealing. Replaces weakened springs that cause noise, rough idle or loss of engine power.
Technical Specifications
Type: Heavy-duty diesel valve spring
Material: Heat-treated alloy spring steel
Application: Fits Volvo D9/D11/D12 truck engines and Penta VF-3210 industrial platforms
Cross-Reference: Matches OE Volvo spring rate, free length and seat pressure
Installation: Replace when experiencing weak compression, noisy valvetrain or misfiring due to spring fatigue
Service Interval: Typically replaced during top-end rebuilds or between 500,000–800,000 km
Delivery & Availability
Stock Options: Available in active inventory
Delivery Time: 3–7 days internationally
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