A-Premium Radiator with Transmission & Engine Oil Coolers - Direct-Fit for GM/Isuzu 1996–2005, Heavy-Duty Cooling

The A-Premium Engine Coolant Radiator with integrated transmission and engine oil coolers is a direct-fit replacement designed to restore proper cooling and protect your vehicle’s engine and transmission under normal driving conditions.

This heavy-duty radiator assembly is engineered for a straight swap into many GM and Isuzu models from the late 1990s and early 2000s, offering the combined functionality of a coolant radiator plus built-in transmission and engine oil coolers. Built to meet strict manufacturing standards, it returns lost cooling capacity and maintains fluid temperatures for better reliability. Below you’ll find clear answers to common buyer questions, detailed specs, and who should choose this unit.

Which vehicles does this radiator fit and how do I confirm compatibility?

The A-Premium unit fits specific Chevrolet, GMC, Oldsmobile and Isuzu models with automatic transmissions produced between 1996 and 2005. Confirm fitment by matching your model year, vehicle name, and the reference numbers supplied with your OEM part.

• Compatible models: Chevrolet Blazer (1996–2005), S10 (1996–2004)
• Also fits: GMC Jimmy (1996–2001), Sonoma (1996–2004), Oldsmobile Bravada (1996–2001), Isuzu Hombre (1997–2000)
• Reference/part numbers to check: 1826, CU1826, 8011826, 8524729630, 8524729640, 8524776850

What are the physical specifications and connection sizes?

This radiator provides the core dimensions and inlet/outlet sizes needed for correct plumbing and clearance in the engine bay. Those measurements help ensure hoses and mounts align without modification for a true direct-fit replacement.

• Core height: 26-1/4 inches; core width: 15-1/16 inches; core thickness: 1 inch
• Transmission oil cooler included: yes; engine oil cooler included: yes
• Inlet diameter: 1-5/16 inch; outlet diameter: 1-9/16 inch

How does the integrated transmission and engine oil cooling benefit performance and longevity?

Combining the coolant radiator with built-in oil coolers centralizes heat management and reduces the number of separate components and hose runs. Cooler, stable fluid temperatures help the transmission and engine operate in their designed ranges during towing, city driving, and highway use.

• Reduces thermal stress on transmission fluid and engine oil by adding dedicated cooling passages
• Limits extra fittings and external cooler mounting, simplifying installation
• Restores OEM-style cooling capacity to prevent overheating incidents associated with worn radiators

What warranty and quality assurances come with this radiator?

A-Premium backs this radiator assembly with a one-year unlimited-mileage guarantee and subjects parts to manufacturing tests for fit and durability. The warranty provides peace of mind against manufacturing defects under normal installation and use.

• One-year unlimited-mileage guarantee from A-Premium
• Manufactured and tested to strict standards for performance and fit
• Sold as a full assembly including both oil coolers, ready for direct installation

Who is this for: Technicians, DIY mechanics, and vehicle owners who need a reliable, direct-fit replacement radiator for late-1990s to early-2000s GM and Isuzu trucks and SUVs with automatic transmissions. Choose this A-Premium assembly if you want the convenience of an all-in-one radiator with integrated transmission and engine oil coolers, verified reference numbers for fitment, and a backed warranty for peace of mind.