Dorman Autograde Heater Bypass Vacuum Cap 5/8 Inch ID 5 Pack for Automotive Repair 493-100

Heater bypass vacuum caps with 5/8 inch inner diameter used to replace cracked or leaking caps in automotive cooling and vacuum systems.

Built to meet the manufacturer's design intent for reliable service, these caps are constructed from high-quality materials to ensure long-lasting durability and resistance to heat and chemicals.

Key Features

• Designed specifically as a heater bypass cap
• Features a 5/8 inch inner diameter for precise fitment
• Constructed from high-quality materials for durability
• Sold as a convenient 5-piece pack
• Engineered as a direct-fit replacement part

Benefits

• Restores proper vacuum pressure to heating systems
• Prevents coolant leaks and engine performance issues
• Reduces the risk of repeat repairs with durable construction
• Offers cost-effective solution with multi-pack quantity
• Ensures reliable operation under daily driving demands

Application

Ideal for automotive technicians and DIY mechanics performing cooling system repairs, vacuum line replacements, or general engine maintenance on vehicles requiring a 5/8 inch bypass cap.

Fitment Notes

• Universal application for vehicles requiring a 5/8 inch ID heater bypass cap
• Verify original part size before installation to ensure compatibility

Why Choose Dorman - Autograde?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
• Built with quality materials and validated through testing to stand up to daily driving demands
• Focus on fit, durability, and dependable performance helps restore vehicles with confidence

What's in the Box

• 5 Piece Heater Bypass Caps

Item Dimensions

• 3.2in x 2.4in x 1.5in, 0.2lbs