Flange Adapter HX40 to HE351
🛠️ HX40 to HE351 Turbo Flange Adapter – 4.00" to 4.375" Stainless Transition | 1" Thick
This Stainless Diesel HX40 to HE351 Flange Adapter allows you to seamlessly connect an HX40-style 4.00" downpipe to an HE351 4.375" turbo outlet—perfect for turbo swaps or custom exhaust builds on 3rd Gen Dodge Cummins trucks.
CNC-machined from high-quality steel, this 1" thick flange-to-flange adapter bridges the gap between two different turbo flange styles, making it easy to run your existing HX40 downpipe with a stock HE351 turbo or vice versa.
🚀 Key Features & Benefits:
✅ Adapts HE351 Turbo Outlet (4.375") to HX40 Downpipe (4.00")
✅ Perfect for Common Rail Cummins Turbo Swaps
✅ 1.00" Thick Flange-to-Flange Design – Provides secure, durable transition
✅ CNC-Machined Steel – Strong, warp-resistant, and weldable
✅ Eliminates the Need to Fabricate or Replace Your Entire Downpipe
📦 What’s Included:
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(1) HX40 to HE351 Flange Adapter (1" Thick)
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🔥 Turbo swap made easy. Adapt your downpipe without the hassle—add this flange adapter to your build today.
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Ships within 1-2 business days.
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Flange Adapter HX40 to HE351
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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.