24V Diesel Engine Starter Relay 30506392 for NT855 K19 K38 K50 M11 Engine Parts

Product Details

Product Overview

This offering presents a high-quality 24V starter relay, specifically designed for use in a range of heavy-duty diesel engines. The relay is identified by the OEM part number 30506392 and is manufactured to serve as a direct replacement component for starting systems in demanding industrial applications.

Engineered for 24-volt electrical systems, this starter relay is commonly utilized in engine models including the NT855, K19, K38, K50, and M11 series. These engines are frequently found in construction equipment, mining machinery, power generation units, and heavy-duty trucks, where reliable starting performance is critical for operational uptime.

As a new, aftermarket component, this starter relay provides a cost-effective solution for maintenance and repair, helping to restore the starting circuit integrity of your diesel engine without compromising on performance or durability.

Key Features & Benefits

• Direct Fitment: Engineered to match the specifications of the OEM 30506392 part, ensuring a straightforward installation process and reliable connection.
• 24V Operation: Specifically designed for standard 24-volt electrical systems common in heavy equipment and commercial vehicles, providing consistent switching power to the starter motor.
• Durable Construction: Built to withstand the high current demands and harsh operating environments typical of diesel engine applications, reducing the risk of premature failure.
• Enhanced Starting Reliability: A properly functioning starter relay is crucial for delivering full battery power to the starter solenoid, ensuring strong and consistent engine cranking in all conditions.
• Cost-Effective Solution: Offers a high-quality alternative to more expensive OEM parts, helping you manage maintenance budgets without sacrificing performance.
• Broad Compatibility: Suitable for a wide range of engine platforms, including the NT855, K19, K38, K50, and M11, making it a versatile spare part for mixed fleets.
• New Condition: Supplied as a new component, free from wear and tear, ensuring full service life and operational integrity upon installation.

Technical Specifications

OEM Cross-Reference

This starter relay is designed as a direct replacement for the following OEM part number:

• Part Number: 30506392

Please verify your existing part number against this reference to ensure correct application. This part is intended to match the form, fit, and function of the original equipment component.

Compatibility

This 24V starter relay is commonly used for a range of heavy-duty diesel engines. While not an exhaustive list, compatible engine models include:

• NT855 Series
• K19 Series
• K38 Series
• K50 Series
• M11 Series

These engines power a variety of equipment including off-highway trucks, excavators, bulldozers, generator sets, and industrial machinery. It is recommended to cross-reference your specific engine model and existing relay part number to confirm fitment before purchase.

Global Supply & Distribution

We offer worldwide shipping capabilities to support international B2B operations. Our logistics network enables efficient delivery to major industrial hubs and ports across:

• North America: Including the United States, Canada, and Mexico.
• Europe: Serving EU member states and the United Kingdom.
• Asia-Pacific: Including Australia, New Zealand, Singapore, and Southeast Asian markets.
• Middle East & Africa: Covering UAE, Saudi Arabia, South Africa, and other key markets.
• South America: Including Brazil, Chile, and Argentina.

With a standard delivery time of within one week from our facility in Chongqing, China, we ensure fast and reliable fulfillment for urgent maintenance needs. We possess extensive export experience and are committed to international trade compliance for smooth customs clearance.

Quality Assurance

As a new manufactured part, this starter relay undergoes rigorous quality control checks to ensure it meets performance and durability standards. While a machinery test report is not available for this specific item, each unit is inspected for electrical continuity and physical integrity before packaging.

We stand behind the quality of our components with a 1.5-year warranty against manufacturing defects. This commitment provides our B2B clients with confidence in their inventory investments and end-user satisfaction. Our manufacturing processes align with industry standards for heavy-duty engine components.

FAQ

Q1: How do I confirm this starter relay (30506392) will fit my engine?
A: First, locate the part number on your existing starter relay. It is often stamped on the body or a metal tag. If the number is 30506392, this part is a direct replacement. If not, please check if your engine model is listed (NT855, K19, K38, K50, M11) and verify the voltage requirement is 24V. For non-listed models, compare the physical dimensions and terminal configuration with your old unit.

Q2: What are the common signs of a failing starter relay?
A: Common symptoms include a single loud click when turning the key but the engine not cranking, intermittent starting issues, or the starter motor not engaging at all. You may also hear a continuous clicking sound, indicating a weak relay or low voltage. Testing the relay with a multimeter can confirm if it is receiving and transmitting power correctly.

Q3: Can I install this relay myself, and what tools are needed?
A: Basic mechanical knowledge is recommended. Installation typically involves disconnecting the battery, removing the old relay, and mounting the new one. You will need basic hand tools like wrenches and sockets to disconnect the battery terminals and the relay mounting bolts. Always disconnect the negative battery cable first to prevent electrical shorts. Ensure all connections are clean and tight to avoid voltage drops.