If your Nissan's heater isn't blowing hot air, it might be time for a new heater core. This Spectra Premium replacement (part number 98321) is designed specifically for Nissan D21 pickups and Pathfinder models. It's a direct fit for OE number 27145N9601, so installation should be straightforward – just drop it in place. The core is made from fully brazed aluminum, which enhances heat transfer efficiency and durability. Every unit is leak-tested to ensure quality and performance. Before you buy, use the Amazon Confirmed Fit tool on the product page by entering your vehicle details to double-check compatibility. This is a reliable, aftermarket part that meets or exceeds OEM standards, so you can get your heating system working again without the dealership price tag. Recommended for DIYers with some mechanical experience or for professional installation.
