Cusco Oil Catch Tank

1991–1997 Mazda RX-7 FD3S 13B-REW

Part #: 422 009 A

Overview

The Cusco Oil Catch Tank is an essential upgrade for Mazda RX-7 FD3S owners seeking to maintain optimal engine performance and longevity. Designed specifically for the 1991–1997 model years, this high-quality oil catch can helps trap harmful blow-by gases and oil vapors that can otherwise contaminate your intake system and reduce engine efficiency. Whether you're a daily driver, a spirited enthusiast, or a dedicated tuner, this catch tank provides a reliable solution to keep your engine clean and running smoothly.

By effectively capturing oil and combustion gases before they re-enter the intake manifold, the Cusco Oil Catch Tank helps prevent carbon buildup, reduce oil consumption, and support consistent horsepower output. Its compact and durable design makes it an ideal addition for those looking to enhance their RX-7’s performance while maintaining emissions compliance and engine health.

Key Features

The Cusco Oil Catch Tank is engineered with precision and built to last, incorporating advanced materials and thoughtful design features that benefit both performance and durability.

• High-Quality Construction: Crafted from durable, lightweight aluminum with a polished finish, ensuring resistance to corrosion and heat.
• Efficient Oil Separation: Equipped with a high-performance internal baffle system that effectively traps oil vapors and blow-by gases, preventing them from re-entering the intake system.
• Compact & Easy to Install: Designed to fit seamlessly within the engine bay without obstructing other components, with straightforward mounting options.
• Enhanced Engine Longevity: By reducing oil and carbon buildup in the intake, it helps maintain optimal airflow and combustion efficiency.
• Reinforced Hoses & Fittings: Comes with high-quality hoses and fittings that ensure a secure, leak-free connection to your vehicle’s crankcase and intake system.
• Improved Aesthetics: The sleek polished finish adds a performance-oriented look to your engine bay, complementing other aftermarket upgrades.

Construction & Design

The Cusco Oil Catch Tank features a robust aluminum body with a precision-machined internal baffling system that maximizes oil separation efficiency. Its compact design allows for flexible installation options, making it suitable for various engine bay layouts. The tank’s polished surface not only enhances durability but also provides a clean, professional appearance. The included fittings and hoses are engineered for a secure fit, ensuring long-term reliability under demanding driving conditions.

Performance & Sound

While primarily focused on engine health and emissions management, the Cusco Oil Catch Tank also contributes to a cleaner intake environment, which can support more consistent power delivery. By trapping oil vapors effectively, it helps prevent the buildup of carbon deposits that can impair airflow and throttle response. Although it does not significantly alter engine sound, owners may notice a slight reduction in engine bay fumes and oil mist, contributing to a cleaner, more refined driving experience.

Installation & Fitment

The Cusco Oil Catch Tank is designed for a straightforward bolt-on installation. It connects inline with the crankcase PCV system using the included hoses and fittings. No cutting, drilling, or complex modifications are required, making it suitable for DIY enthusiasts and professional installers alike. Proper installation ensures optimal oil separation and prevents leaks, helping you maintain peak engine performance with minimal effort.

• Simple bolt-on installation with existing engine bay mounting points
• No cutting, drilling, or tuning required
• Includes all necessary hoses, fittings, and hardware for a complete setup

What's Included

• Cusco Oil Catch Tank
• High-quality hoses and fittings
• Mounting hardware and brackets
• Installation instructions

Ideal For

• Mazda RX-7 FD3S owners seeking to improve engine cleanliness and performance
• Enthusiasts looking to reduce oil consumption and carbon buildup
• Performance tuners aiming to maintain optimal intake conditions during modifications
• Daily drivers and track enthusiasts alike who want a reliable, maintenance-friendly solution

Emissions Note

This Cusco Oil Catch Tank is designed to be compliant with emissions standards and is suitable for street use on applicable vehicles. Proper installation ensures it functions as intended to help reduce harmful emissions associated with blow-by gases. Always verify local regulations before installation.