Spectra Premium 99434 Heavy Duty HVAC Heater Core Aluminum

The Spectra Premium 99434 is a heavy-duty HVAC heater core engineered specifically for commercial truck applications. Featuring a fully brazed aluminum construction for both the core and tanks, this heater core delivers exceptional heat transfer efficiency and long-term durability in demanding operating conditions.

Key Features:

• Fully brazed aluminum core and tank construction for maximum strength and heat dissipation
• Core dimensions: 7.81 inches length x 8.06 inches width x 1.88 inches thickness
• 3/4-inch diameter inlet and outlet connections for optimal coolant flow
• Drop-in exact-fit design engineered to OE heater casing specifications
• Variable pipe positioning to accommodate restrained casing fitment
• Precisely tooled tanks ensure structural integrity and leak-free performance
• 100% leak-tested before shipping to guarantee quality assurance
• State-of-the-art engineering meets or exceeds OEM specifications

This heater core serves as a direct replacement for OE part number B20011S and cross-references with multiple aftermarket part numbers including Bergstrom 1000222851, Peterbilt B20011S, Modine 3W2243150000, and others. Backed by Spectra Premium's commitment to innovative engineering and rigorous quality control, this heater core is designed to match or surpass the performance of the original equipment.