S478/96/1.32 CAT SEMI Turbo
🐱 S478 Big CAT Turbo – High-Performance Upgrade for Caterpillar C15, C16 & 3406E
Ready to push your big CAT engine to the next level? The S478 Big CAT Performance Turbocharger is engineered to deliver maximum airflow, boost response, and reliability for Caterpillar C15, C16, and 3406E engines. Designed as a direct replacement for part #14969880000, this turbocharger is ideal for performance-minded Class 8 truck owners and builders.
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🔧 Key Features:
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💥 Supports 475–750 HP — Serious power for stock or modified builds
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🌀 Forged Milled Compressor Wheel (FMW) — Stronger, lighter, and more efficient for rapid spool-up and high boost levels
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🌪️ 96mm Turbine Wheel — Maximized flow for enhanced performance and throttle response
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🔄 360° Thrust Bearing — Built to handle extreme conditions and extended high-load use
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🔥 T6 Turbine Housing — Choose from 1.32 A/R or optional 1.45 A/R for tailored power delivery
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📥 6.00" Inlet Compressor Cover — High-flow intake for big-horsepower builds
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🧰 Direct Bolt-On — Perfect fitment for Caterpillar C15, C16 & 3406E engines
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🚛 Ideal For:
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Class 8 SEMI trucks
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Caterpillar C15, C16, 3406E platforms
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High-performance heavy-duty builds
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Towing, hauling, and competitive diesel applications
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Upgrade with confidence. The S478 Big CAT Turbo gives you the performance edge with durable construction and bolt-on convenience—boost response, airflow, and power like never before.
Pairs well with
Ships within 1-2 business days.
Free shipping & returns
S478/96/1.32 CAT SEMI Turbo
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.