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

SKU: MISMMRAD-GMT-55X

Radiators

MM Radiators - Alum X-Line...

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

SKU: MISMMRAD-GMT-55X

Radiators

MM Radiators - Alum X-Line...

A$1,012.15
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

If you're looking to upgrade your GM 3100 Series parts, look no further! The Mishimoto 1955--1959 GM 3100 Series Truck X-Line Performance Aluminum Radiator provides your car with enhanced reliability, improved cooling efficiency, and is an ideal upgrade for the brittle stock radiator. Whether you use your classic for daily driving or take it to the track, many people overlook the importance of installing an upgraded radiator in their engine. A stock radiator cannot handle the heat that comes along with having a great deal of horsepower. The Mishimoto GM 3100 Series Truck X-Line Aluminum Radiator is manufactured using durable aircraft-quality aluminum end tanks, precision TIG-welded to an efficient brazed aluminum core. The inlet and outlets provide precise leak-free connections. This GM 3100 Series performance radiator also includes a Magnetic Oil Drain Plug, which effectively removes metal fragments circulating in the cooling system. As with all our products, this GM 3100 Series radiator includes the Mishimoto Lifetime Warranty, ensuring superior product quality and craftsmanship.

Product Overview

If you're looking to upgrade your GM 3100 Series parts, look no further! The Mishimoto 1955--1959 GM 3100 Series Truck X-Line Performance Aluminum Radiator provides your car with enhanced reliability, improved cooling efficiency, and is an ideal upgrade for the brittle stock radiator. Whether you use your classic for daily driving or take it to the track, many people overlook the importance of installing an upgraded radiator in their engine. A stock radiator cannot handle the heat that comes along with having a great deal of horsepower. The Mishimoto GM 3100 Series Truck X-Line Aluminum Radiator is manufactured using durable aircraft-quality aluminum end tanks, precision TIG-welded to an efficient brazed aluminum core. The inlet and outlets provide precise leak-free connections. This GM 3100 Series performance radiator also includes a Magnetic Oil Drain Plug, which effectively removes metal fragments circulating in the cooling system. As with all our products, this GM 3100 Series radiator includes the Mishimoto Lifetime Warranty, ensuring superior product quality and craftsmanship.


Features and Benefits

  • 100-percent aluminum construction provides greater heat and pressure tolerance, better heat dissipation, increased durability, improved cooling efficiency, and improved structural rigidity
  • 3-row core
  • Increased coolant capacity directly results in better cooling efficiency and reduced engine temperatures
  • Includes an internal transmission cooler to provide optimal fluid temperatures for automatic transmissions
  • Billet aluminum fill neck
  • Brazed aluminum core with TIG-welded end tanks
  • Includes magnetic drain plug
  • Mishimoto Lifetime Warranty

Product Details

Alternate Part Number:MRAD-GMT-55X
Color:Silver
Description:Chevrolet/GM 3100 Series Truck 3-Row Performance Aluminum Radiator, 1955 - 1959
Finish:Polished
Install Difficulty:N/A
Installation Difficulty:3/5
Material:Aluminum
Part Number:misMMRAD-GMT-55X
SellingPoint01:100-percent aluminum construction provides greater heat and pressure tolerance, better heat dissipation, increased durability, improved cooling efficiency, and improved structural rigidity
SellingPoint02:3-row core
SellingPoint03:Increased coolant capacity directly results in better cooling efficiency and reduced engine temperatures
SellingPoint04:Includes an internal transmission cooler to provide optimal fluid temperatures for automatic transmissions
SellingPoint05:Billet aluminum fill neck
SellingPoint06:Brazed aluminum core with TIG-welded end tanks
SellingPoint07:Includes magnetic drain plug
SellingPoint08:Mishimoto Lifetime Warranty
SellingPoint09:N/A
SellingPoint10:N/A
SellingPoint11:N/A
SellingPoint12:N/A
SellingPoint13:N/A
SellingPoint14:N/A
SellingPoint15:N/A
TechSpec Applications:1955-1959 GM 3100 Series Truck
TechSpec Chassis Codes:N/A
TechSpec Core Height (in):19.4
TechSpec Core Length (in):21.7
TechSpec Core Thickness (in):2
TechSpec DPI:5559
TechSpec Drain Plug Thread Size:M12 x 1.5
TechSpec Engine Codes:235ci (3.9L) I6--265ci (4.3L) V8--283ci (4.6L) V8
TechSpec Fluid Capacity (gal):4.96
TechSpec Includes:Mishimoto Radiator--Mishimoto Radiator Cap--Magnetic Drain Plug--Mishimoto Lifetime Warranty
TechSpec Inlet (in):1.5
TechSpec Material:Aluminum
TechSpec Note:Transmission Cooler Thread Info:--On Radiator: Female 1/4-inch BSPP--Sealing Face: 70
TechSpec Outlet (in):1.75
TechSpec Overall Height (in):27
TechSpec Overall Length (in):26.2
TechSpec Overall Width (ins):5.6
TechSpec Rows:3

Application Summary

1955-1957 Chevrolet Truck 3100 4.3 Liter Hydramatic, 1955-1957 Chevrolet Truck 3100 4.3 Liter SM318, 1955-1957 Chevrolet Truck 3100 4.3 Liter SM420

Part Type

Radiator

Data: v4.2 - Upd: 2026-10-13 18:11:16

Features

  • 100-percent aluminum construction provides greater heat and pressure tolerance, better heat dissipation, increased durability, improved cooling efficiency, and improved structural rigidity
  • 3-row core
  • Increased coolant capacity directly results in better cooling efficiency and reduced engine temperatures

Specifications

Product Attributes - Brand
Mishimoto
Product Attributes - Manufacturer's Part Number
MMRAD-GMT-55X
Product Attributes - Part Type
Radiators
Product Attributes - Product Line
Mishimoto X-Line Radiators
Product Attributes - UPC
748354019834
Product Attributes - Radiator Material
Aluminum
Product Attributes - Radiator Style
Crossflow
Product Attributes - Transmission Cooler
Yes
Product Attributes - Inlet Location
Center upper
Product Attributes - Outlet Location
Lower passenger side
Product Attributes - Overall Width (in.)
27.00 in.
Product Attributes - Overall Height (in.)
26.20 in.
Product Attributes - Overall Thickness (in.)
5.60
Product Attributes - Row Quantity
3
Product Attributes - Radiator Finish
Natural
Product Attributes - Core Width (in.)
21.70 in.
Product Attributes - Core Height (in.)
19.40 in.
Product Attributes - Core Thickness (in.)
2.00 in.
Product Attributes - Radiator Inlet Size
1.500 in.
Product Attributes - Radiator Outlet Size
1.750 in.
Product Attributes - Trans Cooler Adapter Fittings Included
No
Product Attributes - Fan Included
No
Product Attributes - Radiator Cap Included
Yes
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Mishimoto
StreetFX SKU misMMRAD-GMT-55X
SFX Item ID 4050299
Supplier Item Code 4050299
Manufacturer SKU MMRAD-GMT-55X
Manufacturer UPC 748354019834
Alternative References mio-mrad-gmt-55x, MIMMMRAD-GMT-55X

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Compatibility

1955-1957 Chevrolet Truck 3100 4.3 Liter Hydramatic, 1955-1957 Chevrolet Truck 3100 4.3 Liter SM318, 1955-1957 Chevrolet Truck 3100 4.3 Liter SM420

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