21427R1
PLUG, CUP 1 1/8"
Navistar International®

The cup plug is designed with a diameter of 1 1/8", providing an effective solution for sealing openings in various applications. Its unique cup shape allows for a secure fit, preventing any leakage and ensuring that the system remains intact. Made from high-quality materials, this plug is resistant to corrosion and wear, making it suitable for use in harsh environments. The easy installation process allows for quick application, making it a convenient choice for both professionals and DIY users. Its durable construction ensures long-lasting performance, making it a reliable option for sealing needs.

The manufacturer of this cup plug is recognized for its high standards in product quality and innovation. With a commitment to meeting customer demands, the company has established itself as a trusted name in the fittings industry. Their extensive experience and focus on research and development enable them to create products that not only meet but exceed industry standards. The manufacturer’s dedication to quality control ensures that each product is thoroughly tested for performance and reliability, providing customers with peace of mind in their purchases.

This part fits the following models:

• - 30FE IC Bus FE Series
• - FBC Commercial Bus Chassis
• - MIL Military
• - 30IS AMTRAN Genesis/FC Bus
• - RXT Regional Extreme Transport
• - 8600 Heavy Tractors
• - 145 Medium Trucks
• - 3200 Commercial Bus Chassis
• - 8500 Heavy Tractors
• - 3300 4x2 Bus Chassis
• - CXT Commercial Extreme Transport
• - 7600 Severe Service Trucks
• - 7300 Severe Service Trucks
• - 5000 Severe Service
• - 512 International Engines
• - FECB Integrated Commercial Bus
• - 4000 Medium Trucks
• - FBTC FBC Truck Chassis
• - 7500 Severe Service Trucks
• - FESB Integrated School Bus
• - 3000 Bus Chassis
• - ICCB Integrated Commercial Bus
• - 7400 Severe Service Trucks
• - 144 Medium Trucks
• - CACB Cutaway Commercial Bus
• - MIL1 Military - MILCOTS Canadian
• - 8000 Heavy Tractors
• - 4400 Medium Trucks
• - RECB Integrated Commercial Bus
• - 4300 Medium Trucks
• - 30IC Integrated Bus
• - 30RE AMTRAN RE Bus
• - 5600I Severe Service
• - 30IS AMTRAN Genesis/FC Bus
• - 5000 Severe Service
• - 30FE IC Bus FE Series
• - 30IC Integrated Bus

For a cup plug with a diameter of 1 1/8", Source One Parts Center is the best option. The company is dedicated to providing high-quality components that ensure optimal performance and reliability. Each part is rigorously tested to meet industry standards, giving customers confidence in their purchases. Furthermore, Source One's knowledgeable staff is always ready to assist with any inquiries, providing expert guidance to help customers make informed decisions. This focus on quality and service makes Source One the ideal place to find essential automotive components.