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Granatelli Motor Sports
Granatelli Motor Sports, Union Sleeve, 4.0" (102mm) 318540U
Granatelli Motor Sports, Union Sleeve, 4.0" (102mm) 318540U
SKU:318540U
In Stock—More than 10 available

Precision Fit for 4.0" Hoses and Tubing
This union sleeve is specifically crafted to fit 4.0" (102mm) hoses and tubing, ensuring a tight, secure connection that maintains system integrity and prevents leaks in high-performance setups.
- Custom-fit for 4.0" (102mm) hoses and tubing
- Ensures leak-free performance under high pressure
- Optimizes reliability for critical high-performance systems
Durable and Heat-Resistant Construction
Made from premium materials, the 318540U Union Sleeve withstands extreme engine bay temperatures, vibration, and repeated stress, ensuring long-lasting performance in demanding racing and performance environments.
- Handles extreme heat and high-pressure conditions
- Durable under vibration and repeated stress
- Maintains long-term reliability in critical systems
Performance and Racing Ready
Designed for professional and enthusiast automotive builds, the 318540U Union Sleeve enhances the reliability of turbocharged engines, intercooler setups, and high-pressure hose systems in racing and high-performance applications.
- Ideal for turbo and intercooler systems
- Supports racing and high-performance vehicle builds
- Quick and secure installation for minimal downtime
Trusted Quality from Granatelli Motor Sports
Granatelli Motor Sports is a leader in high-performance automotive components. The 318540U Union Sleeve combines precision engineering, durability, and reliable sealing, making it an essential part for maintaining optimal performance and leak-free connections in any high-performance or racing system.
Key Features & Benefits
- Application-focused Granatelli Motor Sports design
- Built for dependable performance and service
- Designed for enthusiasts, professional installers, and performance builds
Fitment & Installation
Confirm the part number, vehicle or engine application, dimensions, and supporting components before installation. Modified vehicles may require additional clearance, fabrication, calibration, or related hardware depending on the combination.
Frequently Asked Questions
How do I confirm fitment?
Match the part number and listed application to your vehicle, engine, dimensions, and supporting components before ordering.
Will this work on a modified vehicle?
Compatibility depends on the complete vehicle combination. Confirm the listed application and supporting components before installation.
Why Choose Granatelli Motor Sports?
Granatelli Motor Sports develops performance components for real-world street, street/strip, race, and custom applications, with an emphasis on practical performance, dependable construction, and integration into serious automotive builds.
Details
- 318540U
- 318540U
- 802735041064
- Granatelli Motor Sports
- New

