Dorman Autograde 5/16 In Hard Vacuum Tubing Connector 10 Pack for Automotive Emissions Repair 493-045

Hard vacuum tubing connectors sized 5/16 by 5/16 inch used to replace cracked or leaking emission lines in automotive repair projects.

Built to meet the manufacturer's design intent for reliable service, these connectors are engineered as direct-fit replacements to match OE form and function. Constructed from durable materials validated through testing, they stand up to daily driving demands and help reduce the risk of repeat repairs caused by brittle or failing factory fittings.

Key Features

• Designed specifically for 5/16 inch inner diameter hard vacuum tubing
• Manufactured by Dorman Autograde for consistent quality
• Available in black or white depending on the specific application batch
• Part number 493-045 ensures correct identification
• Compatible with various Pico and Weatherhead equivalent numbers
• Sold as a 10 piece pack for multiple line repairs

Benefits

• Restores proper vacuum pressure to engine management systems
• Prevents vacuum leaks that cause rough idling or poor performance
• Direct fit design simplifies installation without modification
• Durable construction resists heat and chemical degradation
• Cost effective solution for repairing multiple vacuum lines at once
• Helps ensure emissions compliance by sealing system integrity

Application

Ideal for automotive technicians and DIY enthusiasts repairing vacuum lines on cars, trucks, and SUVs. Commonly used to fix brittle emission hoses, connect vacuum actuators, or replace damaged sections of hard tubing in the engine bay.

Fitment Notes

• Universal fit for any vehicle requiring 5/16 inch hard vacuum tubing connections
• Consult vehicle service manual to confirm required tubing diameter before purchase
• Color may vary between black and white based on inventory availability

Why Choose Dorman?

• Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence, thanks to a strong focus on fit, durability, and dependable performance. Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function, helping ensure a smoother installation and reliable results. Built with quality materials and validated through testing, they're made to stand up to daily driving demands and help reduce the risk of repeat repairs. For a long-lasting fix you can trust, Dorman delivers proven aftermarket solutions that keep your vehicle operating the way it should.

What's in the Box

• 10 Piece pack of 5/16 inch hard vacuum tubing connectors

Item Dimensions

• Package measures 3.7 inches by 2.4 inches by 2.2 inches
• Total package weight is approximately 0.1 lbs