Flash Relay Alarm 81.25311.0023 SHACMAN – OEM 24V Turn Signal & Hazard Warning Control Unit

When your fleet depends on reliable electrical signaling, the Flash Relay Alarm 81.25311.0023 SHACMAN delivers the precision and durability that heavy-duty commercial vehicles demand. This OEM-grade control unit manages turn signal and hazard warning light systems with consistent switching performance — even under the harshest operating conditions. Sourced directly from our factory in China, Mettlead offers this genuine-spec component at competitive wholesale pricing with fast global delivery.

As a core electrical module originally engineered for MAN-series and SHACMAN heavy trucks, this flash relay alarm maintains perfect compatibility with the vehicle's original wiring architecture. Whether you are restocking your warehouse or fulfilling an urgent fleet maintenance order, this part arrives ready to install with zero modifications required.

Key Features and Benefits of the Flash Relay Alarm 81.25311.0023 SHACMAN

Choosing the right flash relay alarm directly impacts vehicle safety and uptime. Here is what sets this unit apart from aftermarket alternatives:

• Exact OEM Replacement – Part number 81.25311.0023 matches original equipment specifications for SHACMAN and MAN-platform trucks, eliminating fitment guesswork.
• 24V DC Rated Operation – Purpose-built for commercial vehicle electrical systems, this relay handles the higher voltage demands of heavy-duty truck platforms without overheating or signal dropout.
• Epoxy-Sealed Housing – The rugged black enclosure protects internal circuitry against moisture, dust, and vibration — critical for trucks operating in construction zones, mining sites, and long-haul corridors.
• Precision-Pin Terminals – Clearly marked with industry-standard codes (J, 86, 15, 86a, 49a), ensuring quick and error-free installation by fleet technicians.
• High Current Handling – Engineered to manage multiple lamp circuits simultaneously without signal degradation, even when towing trailers with additional lighting loads.
• Anti-Interference Design – Built-in EMI suppression prevents cross-talk with other electronic systems on the vehicle, maintaining clean signal output.
• Stable Flash Rate – Delivers consistent turn signal cadence that meets road safety regulations across international markets.

For procurement managers sourcing electrical components for SHACMAN trucks, this flash relay alarm represents a dependable, cost-effective solution that reduces warranty claims and repeat orders caused by premature failure.

Technical Specifications

OEM and ODM Capabilities

At Mettlead, we understand that different markets have different packaging and branding requirements. That is why we offer flexible options beyond standard supply:

• White-Label Packaging – Receive the Flash Relay Alarm 81.25311.0023 SHACMAN in neutral packaging, ready for your own brand labels. Ideal for distributors building a private-label parts catalog.
• Custom Packaging – We produce branded boxes, labels, and documentation tailored to your company identity and regional compliance requirements.
• Strict Quality Control – Every unit undergoes functional testing and visual inspection before shipment. Our QC process covers electrical continuity, flash rate accuracy, and housing integrity.
• Bulk Order Flexibility – Whether you need 50 pieces or 5,000, our production capacity scales to meet your demand without extended lead times.

We also supply a comprehensive range of SHACMAN truck parts — from engine components to cabin accessories — so you can consolidate multiple SKUs into a single shipment and reduce your logistics costs.

Frequently Asked Questions

Is this Flash Relay Alarm 81.25311.0023 SHACMAN an original part or aftermarket?

This component is manufactured to OEM specifications and tolerances. It matches the original part number 81.25311.0023 and provides direct plug-in compatibility with SHACMAN and MAN-platform heavy trucks. Functionally and dimensionally, it performs identically to the factory-installed unit.

What vehicles does this flash relay alarm fit?

The primary application is SHACMAN heavy-duty trucks that use the MAN electrical platform. It controls both turn signal and hazard warning light circuits on 24V vehicle systems. If your truck currently uses part number 81.25311.0023, this is the correct replacement.

What is the minimum order quantity?

Mettlead supports flexible order quantities. We work with both small workshop owners placing single-unit orders and large distributors ordering in bulk. Contact our sales team for volume-based pricing tiers.

How long does delivery take?

Standard orders ship within 3–7 business days from our warehouse in China. Express shipping options are available for urgent fleet-down situations. We also maintain stock on high-demand items like this flash relay alarm to minimize wait times.

Can I visit your factory before placing a large order?

Absolutely. Mettlead welcomes procurement managers and business partners to visit our facilities in China. You can inspect our quality control processes, review inventory, and discuss long-term supply agreements in person.

Do you supply other SHACMAN electrical parts?

Yes. Beyond this flash relay alarm, we stock a full range of SHACMAN truck engine and electrical parts, including wiring harnesses, sensors, switches, and control modules. Consolidating your order saves on shipping and simplifies your supply chain.

Get a Competitive Quote for Flash Relay Alarm 81.25311.0023 SHACMAN

Ready to secure factory-direct pricing on this OEM flash relay alarm? Our team responds to inquiries within 24 hours with detailed quotations, lead times, and shipping options tailored to your destination.

Send your inquiry now
— include your required quantity, delivery address, and any custom packaging needs. We will prepare a complete proposal so you can make a fast, informed purchasing decision.

Mettlead: Your trusted source for genuine-spec SHACMAN, SINOTRUK, HOWO, WEICHAI, FAW, DONGFENG, and FOTON truck parts — shipped worldwide from China.