CSF Radiator for GMC Sierra 2500HD 6.6L 2011-2016 Plastic OEM

CSF Radiator for GMC Sierra 2500HD 6.6L (2011–2016) — OEM Plastic Replace with confidence — this CSF radiator is a direct-fit OEM plastic replacement engineered for the GMC Sierra 2500HD 6.6L diesel models from 2011 to 2016. Built to restore factory cooling performance and reliability, it meets or exceeds OEM specifications for fit, form, and function. Perfect fit: Direct-fit design for 2011–2016 GMC Sierra 2500HD 6.6L — no modification required. Durable construction: High-quality plastic tanks with corrosion-resistant core for long service life. Efficient cooling: Optimized tube-and-fin core to maintain proper engine temperatures under heavy loads and towing. OEM compatibility: Manufactured to OEM tolerances for easy installation and reliable performance. Peace of mind: Backed by CSF’s reputation for premium thermal products and quality control. Ideal for restoration, repair, or performance maintenance — this CSF radiator brings dependable cooling, improved longevity, and hassle-free installation to keep your Sierra 2500HD running cooler under demanding conditions.