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1963-1966 GM Truck Radiator (Manual Trans)


1963-1966 GM Truck Radiator (Manual Trans)
Purchase 1963-1966 GM Truck Radiator (Manual Trans)
  • 1963-1966 GM Truck Radiator (Manual Trans)

  • $844.00

    SKU: 313-9017-0M

High-Flow Cooling for 1963-1966 C/K LS & LT Conversions

Optimized for LS and LT retrofits in classic 1963 to 1966 C/KSeries trucks, this radiator uses a 100 percent TIG welded aluminum core and tanks to deliver rapid heat rejection and robust corrosion resistance. Locally built in the USA for precise fit in C10, C15, K10 and K15 models, it provides superior thermal efficiency, durable operation and lightweight performance while preserving resale value.

1963-1966 C/K Series Chevy and GMC Truck Radiator for LS and LT Swaps

Tackling an LS or LT conversion in a 1963-1966 C/K Series truck demands a cooling solution that fits the original frame rails and manages modern V8 heat loads, and the 1963-1966 GM Truck Radiator (Manual Trans) is built to meet that challenge. With its full aluminum core and tanks welded through a precision TIG process, this radiator delivers fast heat rejection without extra trimming or modifications. Efficient tube and fin layout promotes uniform coolant flow and helps prevent hotspots whether you are towing a trailer or enjoying open highway runs. Clear hose connections streamline plumbing work and corrosion resistant construction preserves both engine health and the truck's classic appearance.

Precision TIG Welding for Structural Integrity

This radiator's tanks and core are joined using 100% TIG welding, a process that fuses metal with pinpoint heat control to create deep, consistent bonds. By eliminating weak spots common in other welding methods, this construction withstands high pressure cycles and engine vibration without developing leaks. The precision of TIG welding also yields smooth joints that require minimal post-assembly cleanup and reduce areas where debris can accumulate. Overall, this craftsmanship delivers a robust assembly that endures rigorous towing or spirited driving with confidence.

Full Aluminum Core Design for Consistent Cooling

Crafted entirely from high-quality aluminum, the core maximizes heat transfer thanks to the metal's inherent thermal conductivity. Its optimized tube and fin arrangement promotes uniform coolant circulation across the entire surface, preventing hotspots even under load or in stop-and-go conditions. By quickly drawing heat away from the LS or LT engine, the radiator sustains stable operating temperatures and helps guard against thermal stress on critical components. This efficiency translates into reliable performance whether you're hauling a trailer or cruising on the open road.

Custom Coatings for Corrosion Resistance and Classic Style

Choose between the natural finish of bare aluminum, which forms an oxide layer that passively fights corrosion, or a durable black epoxy coating that provides an extra barrier against road salt, moisture, and airborne debris. Each coating is applied to ensure even coverage and strong adhesion, so it won't peel or flake when exposed to heat cycles. The epoxy option also adds a subtle visual upgrade, letting you maintain a vintage appearance without sacrificing protection. Both finishes preserve the radiator's integrity and complement your truck's original aesthetic.

Exact Fitment for 1963-1966 Manual Transmission Trucks

Engineered to drop directly into the factory frame rails of 1963 through 1966 C10/C15 and K10/K15 trucks, this radiator requires no trimming or custom brackets. Hose connections align precisely with manual transmission plumbing, streamlining installation and reducing the potential for leaks or misrouting. Its dimensions respect the confines of the original engine bay, preserving firewall clearance and retaining factory fan shroud compatibility. The result is a straightforward swap that maintains the truck's structural integrity and classic under-hood appearance.

For the same radiator but with fans, consider our 1963-1966 GM Truck Radiator (Manual Transmission) with Fans. This ensures reliable cooling under all conditions.

Fitment

  • 1963-1966 C10 Chevy Truck
  • 1963-1966 C15 GMC Truck
  • 1963-1966 K10 Chevy Truck
  • 1963-1966 K15 GMC Truck

Specifications

  • SKU: 313-9017-0M
  • Swap Engine: LS, LT
  • Body Type: C/KSeries
  • Brand: Muscle Rods
  • Compatible Transmissions: Manual Transmission
  • Radiator Fan Count: 0
  • Material: High-Quality Aluminum
  • What's Included:
    • 1 x 1963-1966 GM Truck Radiator for Manual Transmission
  • Finish: Classic Bare Aluminum or Stylish Black Epoxy

Key Features

  • 100% TIG-Welded, High-Grade Aluminum Tanks & Core
  • Made in the USA

Benefits

  • Superior thermal efficiency, durability, light-weight, corrosion-resistant, and fast heat rejection.
  • Built locally for reliable fit, finish, long-term performance, and a better resale value.

This Item Assigned to Category and Also Fits:

Description

1963-1966 C/K Series Chevy and GMC Truck Radiator for LS and LT Swaps

Tackling an LS or LT conversion in a 1963-1966 C/K Series truck demands a cooling solution that fits the original frame rails and manages modern V8 heat loads, and the 1963-1966 GM Truck Radiator (Manual Trans) is built to meet that challenge. With its full aluminum core and tanks welded through a precision TIG process, this radiator delivers fast heat rejection without extra trimming or modifications. Efficient tube and fin layout promotes uniform coolant flow and helps prevent hotspots whether you are towing a trailer or enjoying open highway runs. Clear hose connections streamline plumbing work and corrosion resistant construction preserves both engine health and the truck's classic appearance.

Precision TIG Welding for Structural Integrity

This radiator's tanks and core are joined using 100% TIG welding, a process that fuses metal with pinpoint heat control to create deep, consistent bonds. By eliminating weak spots common in other welding methods, this construction withstands high pressure cycles and engine vibration without developing leaks. The precision of TIG welding also yields smooth joints that require minimal post-assembly cleanup and reduce areas where debris can accumulate. Overall, this craftsmanship delivers a robust assembly that endures rigorous towing or spirited driving with confidence.

Full Aluminum Core Design for Consistent Cooling

Crafted entirely from high-quality aluminum, the core maximizes heat transfer thanks to the metal's inherent thermal conductivity. Its optimized tube and fin arrangement promotes uniform coolant circulation across the entire surface, preventing hotspots even under load or in stop-and-go conditions. By quickly drawing heat away from the LS or LT engine, the radiator sustains stable operating temperatures and helps guard against thermal stress on critical components. This efficiency translates into reliable performance whether you're hauling a trailer or cruising on the open road.

Custom Coatings for Corrosion Resistance and Classic Style

Choose between the natural finish of bare aluminum, which forms an oxide layer that passively fights corrosion, or a durable black epoxy coating that provides an extra barrier against road salt, moisture, and airborne debris. Each coating is applied to ensure even coverage and strong adhesion, so it won't peel or flake when exposed to heat cycles. The epoxy option also adds a subtle visual upgrade, letting you maintain a vintage appearance without sacrificing protection. Both finishes preserve the radiator's integrity and complement your truck's original aesthetic.

Exact Fitment for 1963-1966 Manual Transmission Trucks

Engineered to drop directly into the factory frame rails of 1963 through 1966 C10/C15 and K10/K15 trucks, this radiator requires no trimming or custom brackets. Hose connections align precisely with manual transmission plumbing, streamlining installation and reducing the potential for leaks or misrouting. Its dimensions respect the confines of the original engine bay, preserving firewall clearance and retaining factory fan shroud compatibility. The result is a straightforward swap that maintains the truck's structural integrity and classic under-hood appearance.

For the same radiator but with fans, consider our 1963-1966 GM Truck Radiator (Manual Transmission) with Fans. This ensures reliable cooling under all conditions.

Fitment

Fitment

  • 1963-1966 C10 Chevy Truck
  • 1963-1966 C15 GMC Truck
  • 1963-1966 K10 Chevy Truck
  • 1963-1966 K15 GMC Truck
  • Compatible Transmissions: Manual Transmission
Features
  • 100% TIG-Welded, High-Grade Aluminum Tanks & Core
  • Made in the USA
Benefits
  • Superior thermal efficiency, durability, light-weight, corrosion-resistant, and fast heat rejection.
  • Built locally for reliable fit, finish, long-term performance, and a better resale value.
What's Included
  • 1 x 1963-1966 GM Truck Radiator for Manual Transmission
Specifications
  • SKU: 313-9017-0M
  • Brand: Muscle Rods
  • Swap Engine: LS, LT
  • Body Type: C/KSeries
  • Radiator Fan Count: 0
  • Material: High-Quality Aluminum
  • Finish: Classic Bare Aluminum or Stylish Black Epoxy