The Mishimoto GM 3100 Series Truck X-Line aluminium Radiator is manufactured using durable aircraft-quality aluminium end tanks, precision TIG-welded to an efficient brazed aluminium core. The inlet and outlet 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 aluminium radiators, this GM 3100 Series radiator includes the Mishimoto Lifetime Warranty, ensuring superior Products quality and craftsmanship.
Chevrolet/GM 3100 Series Truck 3-Row Performance Aluminium Radiator, 1955-1959
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- 100% aluminium 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 aluminium fill neck
- Brazed aluminium core with TIG-welded end tanks
- Includes magnetic drain plug
- Mishimoto Lifetime Warranty
Key Features
- 100% aluminium 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 aluminium fill neck
- Brazed aluminium core with TIG-welded end tanks
- Includes magnetic drain plug
- Mishimoto Lifetime Warranty
The Mishimoto GM 3100 Series Truck X-Line aluminium Radiator is manufactured using durable aircraft-quality aluminium end tanks, precision TIG-welded to an efficient brazed aluminium core. The inlet and outlet 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 aluminium radiators, this GM 3100 Series radiator includes the Mishimoto Lifetime Warranty, ensuring superior Products quality and craftsmanship.
| Overall Length (in) | 26.2 |
|---|---|
| Overall Height (in) | 27 |
| Overall Width (in) | 5.6 |
| Core Length (in) | 21.7 |
| Core Height (in) | 19.4 |
| Core Thickness (in) | 2 |
| Fluid Capacity (gal) | 4.96 |
| Rows | 3 |
| Inlet (in) | 1.5 |
| Outlet (in) | 1.75 |
| Drain Plug Thread Size | M12 x 1.5 |
| DPI | 5559 |
| Applications | 1955-1959 GM 3100 Series Truck |
| Engine Codes | 235ci (3.9L) I6 265ci (4.3L) V8 283ci (4.6L) V8 |
| Note | Transmission Cooler Thread Info: On Radiator: Female 1/4-inch BSPP Sealing Face: 70 |
| Coolant Capacity | 4.96 |
Mishimoto Radiator Cap
Magnetic Drain Plug
Mishimoto Lifetime Warranty
Mishimoto Automotive (“Mishimoto”) warrants its products under this lifetime limited warranty policy (“Warranty Policy”). This Warranty Policy applies solely to: (i) Mishimoto Products purchased directly from Mishimoto or Mishimoto authorized dealers (each a “Mishimoto Product” and collectively, the “Mishimoto Products”) and (ii) the original purchaser of such Mishimoto Product (“Purchaser”). This Warranty Policy is non-transferable and all claims under this Warranty Policy must be accompanied by the original sales receipt. The terms and conditions of this Warranty Policy are subject to change by Mishimoto at any time without notice.
For our complete warranty policy, please click here.

