Moroso C3406 Rear Axle Housing Vent with 1/8" NPT Fitting

The Moroso C3406 Rear Axle Housing Vent is designed to reduce internal housing pressure while preventing dirt and contaminants from entering your differential. This professional-grade breather vent is engineered for performance applications, including race cars, hot rods, and vehicles with narrowed or fabricated rear axle housings.

Key Features:

• 1/8" NPT nickel-plated steel threads for secure installation
• Sintered bronze filter element provides years of dependable service
• Low-profile recessed design protects the element from damage
• Superior construction prevents it from being knocked out like stock plastic vents
• Universal fit - works as a replacement for stock vents or can be adapted to any rear axle housing
• Ideal for custom applications on narrowed or fabricated housings

This screw-in differential breather features a durable brass fitting and allows your axle housing to breathe properly, reducing pressure buildup that can cause seal failure and fluid leaks. The sintered bronze element filters incoming air while the recessed design ensures long-term reliability even in harsh racing and off-road conditions.