You’re hands-on all the way, every day. Whether you’re climbing steep grades every day or managing an entire fleet of trucks, you depend on parts that work, day in and day out. At Haffner Auto, we offer unmatched expertise, a simple ordering process and a vast inventory of quality transmission parts, giving you peace of mind as you find the right solutions, quickly and reliably. We carry an extensive inventory of new automatic and manual transmission parts and components for your on- or off-highway vehicles. From heavy-duty trucks and refuse vehicles to light-duty 4x4s, we have the assemblies, units and repair parts to cover all applications. No matter your need, avoid downtime with transmission parts and components you can count on with Haffner Auto.