• This DZ97189584487 steering wheel switch is a dedicated right side multi function control component for Shaanxi heavy truck VCU cruise control system
• The switch assembly integrates cruise speed increase speed decrease and cruise off function buttons with decorative silver trim panels
• It comes with a complete heat resistant wiring harness and matched white plug connector for direct plug and play vehicle connection
• The housing is made of wear resistant anti aging engineering plastic with reserved mounting holes for fixed steering wheel installation
• All button circuit layout wire length and plug pin definitions strictly comply with original vehicle OEM production standards

• Tactile rebound button structure delivers clear pressing feedback and maintains stable signal transmission after long term frequent operation
• High temperature resistant wiring harness adapts to high heat engine compartment and cab interior working environments without aging cracking
• Sealed multi pin plug connector prevents dust water and oil infiltration to avoid intermittent signal loss driving faults
• Integrated VCU cruise control circuit accurately transmits speed adjustment signals to vehicle control unit for stable cruise operation
• Wear resistant plastic outer shell resists daily finger friction and long time sun exposure to keep surface texture intact

• Every finished steering switch passes thousands of repeated button press durability tests to verify long service stable signal output
• Complete circuit continuity inspection eliminates internal wire breakage and short circuit hidden electronic failure risks
• High and low temperature alternating aging test confirms normal switch function under extreme cab temperature change conditions
• All plastic shell wiring and internal circuit board raw materials meet heavy commercial vehicle OEM electronic accessory standards
• Each control switch carries unique production batch number to realize full traceability of production and testing inspection records

We promise to ship out all orders on time.

• Cost-effective upgrade with high cost-performance ratio compared to original parts
• High filtration efficiency effectively intercepts impurities and protects the engine
• Low pressure drop ensures smooth oil circulation and stable engine power
• Durable material with long service life reduces maintenance frequency