-4%
  • Trusted by Racers

    Professional-grade parts used trackside.

  • Real Support, Real People

    Expert help during business hours.

  • Secure Shopping

    Encrypted checkout & trusted payments.

  • Fast U.S. Shipping

    Orders ship quickly from regional warehouses.

Mishimoto 03-06 Nissan 350Z X-Line Performance Aluminum Radiator

Mishimoto
misMMRAD-350Z-03X
In stock
$451.00 $428.99
Upgrade your Nissan 350Z's cooling system with the Mishimoto X-Line Performance Aluminum Radiator, designed specifically for...
$428.99

Mishimoto 03-06 Nissan 350Z X-Line Performance Aluminum Radiator

Upgrade your Nissan 350Z's cooling system with the Mishimoto X-Line Performance Aluminum Radiator, designed specifically for models from 2003 to 2006. This high-performance radiator features a 36mm-thick core with a 92% increase in fin surface area, significantly improving heat transfer and engine cooling efficiency. Its dense fin arrangement ensures optimal airflow and temperature regulation, making it ideal for spirited driving, autocross, or track days. The robust TIG-welded aluminum end tanks provide durability and resistance to the stresses of racing and daily driving alike. The radiator's enhanced fluid capacity, which is 75% greater than stock, helps maintain lower engine temperatures under demanding conditions, protecting your engine and extending its lifespan. Included with the radiator is a magnetic drain plug that captures metallic debris from your coolant, further safeguarding your cooling system against wear and corrosion. Backed by Mishimoto's lifetime warranty, this radiator guarantees long-term performance and reliability. Whether upgrading for enhanced cooling or preparing for high-performance applications, the Mishimoto X-Line Aluminum Radiator is an essential component for Nissan 350Z enthusiasts seeking durability and superior heat dissipation.

Features:

  • Strategically engineered core provides 92-percent increase in external fin area over stock
  • 36mm-thick core yields 117-percent increase in core volume over stock
  • 75-percent increase in fluid capacity over stock
  • Precision TIG-welded aluminum end tanks for durability
  • Includes Mishimoto magnetic drain plug for contaminant capture

Fitment:
2003 Nissan 350Z Base
2003 Nissan 350Z Enthusiast
2003 Nissan 350Z Performance
2003 Nissan 350Z Touring
2003 Nissan 350Z Track
2004 Nissan 350Z Base
2004 Nissan 350Z Enthusiast
2004 Nissan 350Z Performance
2004 Nissan 350Z Touring
2004 Nissan 350Z Track
2005 Nissan 350Z 35th Anniversary Edition
2005 Nissan 350Z Base
2005 Nissan 350Z Enthusiast
2005 Nissan 350Z Grand Touring
2005 Nissan 350Z Performance
2005 Nissan 350Z Touring
2005 Nissan 350Z Track
2006 Nissan 350Z Base
2006 Nissan 350Z Enthusiast
2006 Nissan 350Z Grand Touring
2006 Nissan 350Z Touring
2006 Nissan 350Z Track

Read More
Read Less

Shipping

Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.

Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.

Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.

Returns

Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.

Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.

Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.

Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

Your cart

×