ACDelcoExtension HousingPart #: D121770BA

Built to exacting specifications and extensively tested, GM Genuine Transmission Components include GM Original Equipment and a select offering of premium aftermarket Professional Transmission Components for GM vehicles. Get peace of mind that the fit, form, and function are up to the high standards and specifications of General Motors. From transmission cooler lines and fittings to gaskets and valve bodies, with GM OE Transmission Components and ACDelco Professional Transmission Components, you can rest assured that your vehicle is receiving high-quality parts engineered for long-lasting performance, durability, and dependability. GM OE and Professional Transmission Components are engineered for virtually every model of GM car, light-duty truck, and sport utility vehicles.