Description
Product Overview
The Toyota 90930-03136 Breather Plug is engineered to deliver consistent and reliable ventilation for a wide range of Toyota engines. Constructed from high‑grade rubber and reinforced with stainless steel, this plug offers a perfect balance of flexibility and durability, ensuring a tight seal while resisting corrosion and wear over time. Its compact 1 × 1 × 1‑inch dimensions allow it to fit seamlessly into the engine breather system without requiring any modifications to existing components. The black finish not only provides an unobtrusive appearance but also helps hide any potential grime that may accumulate during operation. With a weight of just 0.634 ounces, the plug is lightweight yet robust, making it an ideal replacement for OEM parts and a reliable upgrade for performance‑oriented builds.
![[Product front view showing all components]](https://www.assisttech.store/wp-content/uploads/2026/07/c33f89f9ab964e07a03c23f9ce4900ae.jpg)
Usage
This breather plug is suitable for a variety of applications, ranging from everyday commuter vehicles to high‑performance street machines. It is designed to work with any Toyota model that utilizes a standard breather system, making it a versatile choice for owners of Corolla, Camry, RAV4, and many other models. The plug excels in environments where engine temperature fluctuations are common, as the rubber component expands and contracts to maintain a consistent seal, while the stainless steel core prevents rust and degradation caused by exposure to oil vapors and moisture. Installation is straightforward: simply remove the old plug, clean the mounting surface, and bolt the new plug in place using the supplied hardware. No special tools or extensive mechanical knowledge are required, allowing both seasoned technicians and DIY enthusiasts to complete the swap quickly and confidently.
Why Choose Us
Choosing the Toyota 90930-03136 Breather Plug means selecting a product that meets the exacting standards set by the original equipment manufacturer. Each unit undergoes rigorous quality control testing, including pressure resistance, corrosion endurance, and dimensional accuracy, to guarantee that it performs exactly as intended from day one. The combination of rubber and stainless steel provides a dual‑layer protection system: the rubber offers flexibility and vibration damping, while the stainless steel core ensures structural integrity and long‑term resistance to the harsh chemicals found in engine bays. Additionally, Toyota backs this part with a comprehensive warranty, giving customers peace of mind and confidence in their purchase. Our dedicated support team is available to answer any questions, provide installation guidance, and assist with any post‑sale concerns, reinforcing our commitment to customer satisfaction.
Key Features
- Durable rubber body with stainless steel reinforcement for long‑lasting performance
- Precise 1 × 1 × 1‑inch fit ensures compatibility with standard Toyota breather systems
- Corrosion‑resistant construction prevents rust and extends part lifespan
- Easy bolt‑on installation eliminates the need for specialized tools
- Backed by Toyota warranty and responsive after‑sales support
FAQ
Is this breather plug compatible with all Toyota models?
Yes, the 90930-03136 plug is designed to fit any Toyota vehicle that uses the standard breather system, including popular models such as Corolla, Camry, and RAV4.
Do I need any special tools to install the plug?
No special tools are required. The plug can be installed with a basic socket set and a torque wrench to ensure proper tightening.
How does the rubber and stainless steel construction benefit my engine?
The rubber provides a flexible seal that adapts to temperature changes, while the stainless steel core offers strength and resistance to corrosion, together delivering reliable ventilation and protecting engine components.
What warranty does Toyota offer on this part?
The breather plug comes with a standard Toyota warranty that covers manufacturing defects for a specified period, and our customer service team is ready to assist with any warranty claims.
Can this plug be used in high‑performance applications?
Absolutely. Its robust materials and precise engineering make it suitable for both daily driving and performance‑oriented builds, ensuring consistent airflow under demanding conditions.




Polished Aluminum PCV Breather Kit by Pirate Mfg Oval Finned Valve
Reviews
There are no reviews yet.