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Mishimoto Mishimoto 55-59 GM 3100 Series X-Line Aluminum Radiator
Mishimoto Mishimoto 55-59 GM 3100 Series X-Line Aluminum Radiator
Mishimoto Mishimoto 55-59 GM 3100 Series X-Line Aluminum Radiator
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Mishimoto 55-59 GM 3100 Series X-Line Aluminum Radiator

Mishimoto
MISMMRAD-GMT-55X
748354019834
Radiators
17 Units In Stock - Ships Next Business Day
$ 432.00 $ 392.95
$ 392.95

SKU: MMRAD-GMT-55X | UPC: 748354019834

Mishimoto 1955-1959 Chevrolet 3100 Series X-Line Aluminum Radiator

Replace the fragile factory radiator in your 1955-1959 Chevrolet 3100 truck with the Mishimoto X-Line Aluminum Radiator. This direct-fit upgrade delivers reliable cooling for daily drives or track use by handling higher heat loads from performance builds. Engineered for classic trucks it ensures consistent temperatures and long-term durability.

Key Features

  • Aircraft-Grade Aluminum End Tanks: Formed from high-strength material for maximum impact resistance and heat dissipation.
  • Precision TIG-Welded Brazed Core: 2-row 1.25-inch tubes with 24.75 x 15.5 x 2-inch core size promote superior airflow and cooling capacity over stock.
  • Leak-Free Connections: 1.5-inch inlet and 1.75-inch outlet with OEM-style fittings for simple bolt-on installation without adapters.
  • Magnetic Drain Plug Included: Captures metal particles in the cooling system to protect engine components and extend radiator life.
  • Overall Dimensions: 31.1 x 17 x 2.25 inches designed as direct replacement for 1955-1959 Chevy 3100 stock radiator.

Product Notes

  • Direct drop-in replacement no modifications required for 1955-1959 Chevrolet 3100 trucks.
  • Flush system recommended prior to install to remove debris from stock cooling setup.
  • Packaged to prevent fin damage during transit.

Installation Notes

  • Professional installation recommended.
  • Bolts directly to factory mounts using provided hardware.
  • Compatible with stock fans shrouds and hoses no cutting or trimming needed.

This Part Fits

Year Make Model Submodel
1955-1959 Chevrolet 3100 Pickup -

Why Choose Mishimoto?

  • Proven track record in performance cooling for classic vehicles.
  • High-quality aluminum construction built to withstand daily and high-horsepower demands.
  • Backed by Lifetime Warranty for peace of mind.

Frequently Asked Questions

  • Q: Does this fit 1958-1959 Chevrolet 3100 models?
    A: Yes it is a direct fit for all 1955-1959 Chevrolet 3100 Pickup trucks with no modifications required.
  • Q: What material is used in construction?
    A: Full aircraft-grade aluminum with TIG-welded joints and brazed core for corrosion resistance and optimal heat transfer.
  • Q: What warranty coverage applies?
    A: Lifetime Warranty covers defects in materials and workmanship when installed and maintained properly.

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Protective box 34 x 20 x 6 inches
  • Weight: 20 lbs

Request For Information

Have questions about Mishimoto 55-59 GM 3100 Series X-Line Aluminum Radiator? Fill out the form below and we'll get back to you by the next business day.
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