Shop Mazda RX7 Gearbox Parts Catalog. Replace Mazda RX7 Transmission Components List & Mazda RX7 Transmissions. Browse Mazda RX7 Manual Transmission Components. Maintaining the transmission components of your Mazda RX7 is crucial for ensuring a smooth ride and longevity of your vehicle. Regular fluid checks and timely replacements can prevent costly repairs, with warning signs such as gear slipping or unusual noises indicating the need for immediate attention. When selecting new transmission parts, consider options such as OEM replacements for assured compatibility or aftermarket upgrades for enhanced performance. Quality materials like high-grade steel in synchros and gears ensure durability, while proper installation ensures peak operation. Shop with confidence from our curated selection, designed to meet diverse driving demands and extend the life of your Mazda RX7.