Collection: 2024-2025 GM Duramax 6.6L L5P - EGR Parts

When you’re tuning a 2024–2025 L5P, cutting corners on EGR parts isn’t an option. That’s why Dieselr only stocks proven EGR upgrade kits from names we trust — and run ourselves.

This collection includes a hand-picked selection of 2024–2025 L5P EGR Dieselr parts from Dieselr, GDP, and Polar Diesel — all engineered for a precise fit and long-term durability. Whether you're doing a full install or replacing critical components, each kit is backed by real testing on our in-house Duramax trucks.

You’ll find:

• Dieselr L5P EGR valve & Cooler upgrade kit: Tight tolerances, no sensor issues, perfect for your truck - ready for install
• GDP EGR kits: Built for tuners, with smart routing and durable welds
• Polar Diesel EGR kits: Affordable, reliable, and field-tested

Each brand offers something slightly different — but all meet Dieselr’s strict standards for quality and compatibility. These kits are ideal complements to our HP Tuners ECM unlock and MPVi3 tuning solutions, especially if you're preparing for a complete build.

If you’re working on a 2024 or 2025 Chevrolet Silverado or GMC Sierra HD, and you need EGR valve and cooler upgrade components you can count on, this is where you start.

No guesswork. No questionable suppliers. Just EGR parts that work.