IAG 30K/90K OE Engine Service Package For 2004-21 Subaru STI
IAG-MNT-1030
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30K / 90K SERVICE MAINTENANCE PACKAGE FOR 2004-2021 SUBARU STI
Keeping your Subaru STI in peak condition requires regular maintenance, especially at key intervals such as 30,000 miles and 90,000 miles. The 30K / 90K service maintenance package ensures your vehicle remains reliable, efficient, and high-performing. Additionally, we offer an option for an additional liter of oil for those with larger oil pans. Here’s what’s included in this comprehensive service package:
COMPONENTS AND FLUIDS
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Subaru PCV Valve
The Positive Crankcase Ventilation (PCV) valve plays a crucial role in the engine's ventilation system. It helps to remove gases from the crankcase, improving efficiency and reducing emissions. Regular replacement ensures your engine breathes properly and operates smoothly. -
MOTUL GEAR 300 75W90 (4 Liters)
This high-performance synthetic gear oil is designed for manual transmissions and differentials. It provides excellent protection, reduces wear, and ensures smooth shifting even under extreme conditions. -
MOTUL 90 PA Limited Slip Diff Gear Oil (1 Liter)
Specifically formulated for limited-slip differentials, this oil offers outstanding stability and protection under high loads and temperatures, ensuring your differential operates efficiently and quietly. -
Coolant 50/50 (2 Gallons)
A 50/50 mix of antifreeze and water provides optimal cooling and protection against corrosion. Regular coolant replacement prevents overheating and keeps your engine running at the right temperature. -
MOTUL RBF 600 DOT4 Brake Fluid (0.5 Liters)
This high-performance brake fluid is designed for use in racing and high-performance street vehicles. It offers superior resistance to heat and moisture, ensuring consistent and reliable braking performance. -
MOTUL 8100 5W30 ECO-NERGY Motor Oil (5 Liters)
This premium synthetic motor oil is engineered for fuel efficiency and maximum engine protection. It helps to reduce wear, improve performance, and maintain engine cleanliness. -
WIX Oil Filter
A high-quality oil filter is essential for removing contaminants from your engine oil. The WIX oil filter ensures your engine receives clean oil, which is crucial for its longevity and performance. -
Oil Drain Plug Washer
A new oil drain plug washer is necessary to ensure a proper seal when changing your engine oil. It prevents leaks and ensures your oil change is done correctly.
SERVICE TASKS
- PCV Valve Replacement: Ensures your engine ventilation system is functioning correctly, improving overall performance and reducing harmful emissions.
- Transmission and Differential Fluid Change: Replacing the gear oils with MOTUL GEAR 300 75W90 and MOTUL 90 PA ensures smooth and reliable operation of your transmission and differential.
- Coolant Flush and Refill: Draining and refilling the coolant helps to prevent overheating and protects your engine from corrosion and scale build-up.
- Brake Fluid Flush and Refill: Replacing the brake fluid with MOTUL RBF 600 DOT4 maintains optimal braking performance, especially under demanding conditions.
- Oil and Filter Change: Using MOTUL 8100 5W30 ECO-NERGY Motor Oil and a WIX oil filter ensures your engine remains lubricated and protected from wear.
- Oil Drain Plug Washer Replacement: Ensures a leak-free seal during the oil change process.
BENEFITS OF REGULAR MAINTENANCE
Regular maintenance at 30,000 and 90,000-mile intervals helps to:
- Improve Performance: Fresh fluids and properly functioning components keep your STI running at its best.
- Extend Longevity: Preventive maintenance helps to avoid costly repairs and extends the life of your vehicle.
- Enhance Safety: Reliable braking and cooling systems ensure your safety on the road.
- Maintain Efficiency: Clean oil and fluids help your engine run more efficiently, potentially improving fuel economy.
By following this 30K / 90K service maintenance package, you ensure that your Subaru STI remains a high-performing and reliable vehicle for years to come.
Installation Instructions
Installation Instructions
Fitment
Fitment

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