VolvoEngine Parts

21918597 — Control Unit Relay 21918597 For Volvo Penta Engine Tad11 Tad12 Tad1344Ge

This control unit relay is a critical electrical component that manages power distribution to various engine control modules and accessories. Manufactured to precise specifications, it ensures reliable switching of electrical circuits, unlike a faulty relay which can cause intermittent system failures or complete shutdowns. Operators might experience issues such as the engine not starting, warning lights malfunctioning, or specific electronic systems failing to operate when this relay is defective.

Control Unit Relay 21918597 For Volvo Penta Engine Tad11 Tad12 Tad1344Ge – Part No 21918597 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeElectrical Relay
MaterialPlastic and Metal
ApplicationEngine Control System
Service LifeTypically long-lasting; replace if faulty or during major electrical system overhaul
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

An initial symptom of a failing relay might be intermittent electrical issues or a specific system not responding. If the problem persists, the affected system may cease to function entirely, leading to operational disruptions. The worst consequence is the potential for critical engine functions to be interrupted, impacting equipment usability and safety.

Installation Tip

Always disconnect the battery before attempting to remove or install any electrical relay to prevent short circuits. Ensure the new relay clicks firmly into its socket to guarantee a secure connection.

Service Note

When replacing an electrical relay, it is good practice to inspect the associated wiring harness for any signs of damage or corrosion.