Nissens 73751 HVAC Heater Core

Nissens 73751 Heater Core for Suzuki

Nissens 73751 is an HVAC heater core built with an aluminum core and plastic tanks for Suzuki Sidekick and Suzuki X-90 applications. It is a direct-fit thermal component for restoring cabin heat performance in vehicles covered by the listed fitment.

• Aluminum core construction for efficient heat transfer
• Plastic tank material
• Brazed cooling fins for compact thermal performance
• Pipe included
• Fits 1989-1998 Suzuki Sidekick, N/A
• Fits 1996-1998 Suzuki X-90, N/A

Product Details

This Nissens heater core, part number 73751, is engineered as an HVAC heater core for the Suzuki Sidekick and Suzuki X-90. The aluminum core and brazed cooling fin construction support heat exchange inside the HVAC system, while the plastic tanks match the style used in many OE-style heater core assemblies. Core dimensions are 5.5900 in. height, 5.5900 in. length, and 1.5700 in. width. Nissens develops thermal management components with a focus on consistent manufacturing quality across its aftermarket range.

This part cross-references BBB Industries 8305 and Remy 94784 for the same application.

Common Symptoms This Part May Address

• Weak or uneven cabin heat
• Coolant odor inside the vehicle
• Fogging or film on the windshield from heater core leakage
• Restricted heater performance in cold weather
• Visible coolant seepage from the HVAC housing

Installation Notes

Verify vehicle fitment by year and model before installation. Inspect the HVAC housing, coolant hoses, and pipe connections for wear or contamination before transferring the new heater core into place. Because heater core replacement often requires access through the dash or HVAC case, confirm all seals and connections are clean and properly seated during reassembly.

Quality Assurance

Nissens is a market-leading manufacturer of thermal and engine-efficiency components, and this heater core is produced under the brand’s Genuine Nissens Quality standard. Part number 73751 is built for the listed Suzuki applications and follows Nissens’ aftermarket development approach for thermal system components.