Dorman - HELP Engine Coolant Reservoir Cap for 1990-2004 Infiniti and 1986-2017 Nissan 82599

Engine Coolant Reservoir Cap for 1990-2004 Infiniti and 1986-2017 Nissan to replace a cracked or missing original cap.

Built to meet the manufacturer’s design intent for reliable service.

Key Features

• Direct-fit replacement for original engine coolant reservoir cap
• Precisely engineered to match OEM specifications
• Quick and easy installation without special tools
• Compatible with 1990-2004 Infiniti models
• Compatible with 1986-2017 Nissan models

Benefits

• Restores proper coolant system sealing, preventing overheating
• Saves money compared to dealership replacement
• Reduces risk of engine damage from coolant leaks
• Ensures reliable vehicle performance during daily driving
• Provides peace of mind with durable construction

Application

This part is ideal for owners who need a reliable, cost-effective solution after the original cap cracks or is lost. Common use cases include routine maintenance, emergency repairs, and long-term reliability upgrades.

Fitment Notes

• Compatible with 1990-2004 Infiniti models
• Compatible with 1986-2017 Nissan models

Why Choose Dorman - HELP?

• 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

• Includes 1 Engine Coolant Reservoir Cap

Item Dimensions

• Dimensions: 5.5in x 1.8in x 1.5in
• Weight: 0.1lb