Life time Warranty
Add your photo


100% aluminium construction featuring high-quality, durable TIG-welding|3-row brazed aluminium core|Features an internal transmission cooler to ensure optimal fluid temperatures for automatic transmissions|Increased coolant capacity and optimal heat dissipation|Billet aluminium fill neck|Includes magnetic drain plug to capture metallic debris and fragments in cooling system|Mishimoto Lifetime Warranty


An ideal upgrade for the brittle stock radiator, the Mishimoto 1963–1966 GM C/K Truck X-Line Performance aluminium Radiator provides your truck with enhanced reliability and improved cooling efficiency. Whether you use your classic for daily driving or take it to the track, don't overlook the importance of installing an upgraded classic truck radiator in your engine. A stock radiator cannot handle the heat that comes along with having a great deal of horsepower.This GM C/K truck radiator is manufactured using durable aircraft-quality aluminium end tanks, precision TIG-welded to an efficient brazed aluminium core. The inlet and outlets provide precise leak-free connections. This classic car radiator also includes a magnetic oil drain plug, which effectively removes metal fragments circulating in the cooling system. As with all our aluminium radiators, every GM C/K truck radiator includes the Mishimoto Lifetime Warranty, ensuring superior product quality and craftsmanship.

Purchase Includes

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


Transmission Cooler Thread Info:--On Radiator: Female 1/4-inch BSPP
More Information
Overall Height (in)23
Overall Length (in)25.2
Overall Width (in)4.5
Core Length (in)17.4
Core Height (in)22.8
Fluid Capacity (gal)4.81
Inlet (in)1.75
Outlet (in)1.75
Core Thickness (in)2
Drain Plug Thread Size1/4-18 NPT
Applications1963-1966 GM C/K Pickup 220ci (3.8L) L6, 250ci (4.1L) L6, 283ci (4.6L) V8, 292ci (4.8L) L6--1963-1966 GM C/K Suburban 220ci (3.8L) L6, 250ci (4.1L) L6, 283ci (4.6L) V8, 292ci (4.8L) L6, 327ci (5.3L) V8, 350ci (5.7L) V8--1961-1964 Pontiac Bonneville 389ci (6.4L) V8, 421ci (6.9L) V8--1961-1964 Pontiac Catalina 389ci (6.4L) V8, 421ci (6.9L) V8--1962-1966 Pontiac Grand Prix 389ci (6.4L) V8, 421ci (6.9L) V8--1961-1964 Pontiac Star Chief 389ci (6.4L) V8, 421ci (6.9L) V8
Engine Codes220ci (3.8L) L6--250ci (4.1L) L6--283ci (4.6L) V8--292ci (4.8L) L6--327ci (5.3L) V8--350ci (5.7L) V8--389ci (6.4L) V8--421ci (6.9L) V8
NoteTransmission Cooler Thread Info:--On Radiator: Female 1/4-inch BSPP
Coolant Capacity4.81

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.