Mishimoto · New
Mishimoto 2004 Pontiac GTO Performance Aluminum Radiator
MPN MMRAD-GTO-04 · Store SKU misMMRAD-GTO-04
Supplier stock checked 11/7/2026, 5:03:58 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Treat your modern muscle car to a dose of reliability with the Mishimoto Pontiac GTO Performance Aluminum Radiator. This radiator is engineered specifically for the 2004 Pontiac GTO with efficient cooling in mind. For optimal heat dissipation and reliability, this radiator features an all-aluminum construction, including TIG-welded end tanks and a fully brazed 2-row core. This large, efficient, and robust core provides an increase in capacity of 0.64 L and a reduction in coolant temperatures of 15+ degrees Fahrenheit, making it ideal for use on and off the track. This radiator features an in-tank transmission fluid cooler compatible with stock transmission cooler lines, making this a true bolt-in performance radiator. This radiator also includes the Mishimoto Magnetic Oil Drain Plug M12 x 1.5 which removes any metal fragments from your coolant system. Whether you are making a pass down the strip or kicking the back tires out at an autocross, our radiator will keep your GTO cool. As with all our products, this radiator includes the Mishimoto Lifetime Warranty, ensuring superior product quality and craftsmanship. Aluminum radiator engineered for efficient heat dissipation and optimal engine cooling. Precision-fit design ensures easy installation, corrosion resistance, and reliable performance across varied driving conditions. Performance Aluminum Radiator, fits Pontiac GTO 2004 Pontiac GTO Performance Aluminum Radiator
Manufacturer fitment & guides
- 2004 Pontiac GTO 5.7 Liter, 2004 Pontiac GTO 5.7 Liter, 2004 Pontiac GTO 5.7 Liter 4L60-E
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y