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Mishimoto MMRAD-GMT-55X 3-Row Aluminum Radiator for 1955-1959 Chevy/GMC 3100 Series Truck

(2010-2021 Toyota 4Runner; 1989-1994 Porsche 911 Carrera 4; 1990-1994 Porsche 911 Carrera 2; 1994-1996 Nissan 300ZX Base + 4 more models)

Part of: Mishimoto Aluminum Radiator

Other options in this family: Mishimoto MMRAD-F2D-95 Mishimoto MMRAD-STI-08X Mishimoto MMRAD-F2D-99 Mishimoto MMPS-TRX450R-04 Mishimoto MMRAD-F2D-60

Manufacturer

Picture for manufacturer Mishimoto

Part Number

MMRAD-GMT-55X
14 reviews
Sale Price

$461.02

In Stock (6)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Mishimoto MMRAD-GMT-55X is a high-performance aluminum radiator engineered specifically for 1955-1959 Chevrolet and GMC 3100 Series trucks. This premium replacement radiator features a 3-row core design that significantly increases coolant capacity, delivering superior cooling efficiency and lower engine temperatures compared to stock radiators.

Key Features:

  • 3-row brazed aluminum core with TIG-welded end tanks for maximum durability and heat dissipation
  • 100% aluminum construction provides exceptional heat and pressure tolerance while reducing weight
  • Integrated transmission cooler maintains optimal fluid temperatures for automatic transmissions
  • Billet aluminum fill neck for a refined, professional appearance
  • Magnetic drain plug captures metallic debris and makes coolant changes easier
  • Increased coolant capacity directly improves cooling efficiency and reduces operating temperatures
  • Enhanced structural rigidity prevents core damage from vibration and stress

Backed by Mishimoto's Lifetime Warranty, this radiator is designed to outlast and outperform stock cooling systems. The all-aluminum construction offers superior heat dissipation, improved cooling efficiency, and increased durability for both street-driven trucks and high-performance applications.

Products specifications

Fits

2010-2021 Toyota 4Runner; 1989-1994 Porsche 911 Carrera 4; 1990-1994 Porsche 911 Carrera 2; 1994-1996 Nissan 300ZX Base; 2004-2006 Scion xA Base; 2002-2003, 2005-2006 Mazda MPV ES; 2002-2006 Mazda MPV LX; 1955-1957 Chevrolet Truck

Installation Difficulty

3

Color

Silver

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Material

Aluminum

Finish

Polished

TechSpec Includes

Mishimoto Radiator--Mishimoto Radiator Cap--Magnetic Drain Plug--Mishimoto Lifetime Warranty

TechSpec Core Height (in)

19.4

TechSpec Outlet (in)

1.75

TechSpec Applications

1955-1959 GM 3100 Series Truck

TechSpec Drain Plug Thread Size

M12 x 1.5

TechSpec Overall Height (in)

27

TechSpec Core Thickness (in)

2

TechSpec Inlet (in)

1.5

TechSpec DPI

5559

TechSpec Material

Aluminum

TechSpec Fluid Capacity (gal)

4.96

TechSpec Note

Transmission Cooler Thread Info:--On Radiator: Female 1/4-inch BSPP--Sealing Face: 70

TechSpec Rows

3

TechSpec Overall Length (in)

26.2

TechSpec Core Length (in)

21.7

TechSpec Engine Codes

235ci (3.9L) I6--265ci (4.3L) V8--283ci (4.6L) V8

This is my first order. So far... so good.

Fast Ship, great price, no problems.

very easy quick order thxs

like the pay through amazon

Thanks for your help off eBay , directing me to your site ! #ebayfollowed

Ordering went smooth!

Great prices!

Nice company...Products are significantly cheaper than others and fast shipping.

Nice site

Awesome prices

amazing company fast and easy shipping. part came in as advertised, cheap too

I had never heard of Autoplicity before placing this order. I found Autoplicity via Google and decided I'd give them a try as they were the cheapest option. <br>Autoplicity did have the lowest price. The order was shipped promptly and got to me 2 days after ordering and the next day after it was shipped. I am very happy with this purchasing experience and would purchase from Autoplicity again without any hesistation.<br>

good?

good price fast shipping

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