MC61PD All-Aluminum Radiator for Select 1961-1964 Pontiac Vehicles w/ 389-421ci. Engine
Product Discontinued
CHAMPION COOLING SYSTEMSPART NUMBER: 166-MC61PD

MC61PD All-Aluminum Radiator for Select 1961-1964 Pontiac Vehicles w/ 389-421ci. Engine

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Pontiac
All-Aluminum Radiator
  • 1961-1964 Pontiac Bonneville, Catalina, & Star Chief
  • 1962-1964 Pontiac Grand Prix
  • 1961 Pontiac Ventura
  • 6.4L 389ci & 6.9L 421ci Engines
  • Monster Core 4-Row
  • 13 lb. Radiator Cap Included

    Champion Cooling Systems MC61PD All-Aluminum Radiator Features:

    • 100% tig-welded construction with Brazed Core technology
    • 2 mm thick aluminum end tanks and fittings
    • Billet filler neck
    • Max Cool louvered fin technology with 14-16 fins per inch
    • 3/8 (.375) in. spaced cooling tubes
    • 1/2 in.-20 straight thread, inverted flare transmission cooler connection
    • OEM-style brass petcock

    Notes:

    • Lower tank is tapered 2-1/4 in.
    • Monster Cooling-Series Radiators

      Champion Cooling System Monster Cooling-Series Radiators have four rows of 11/16 inch tubes with a cooling capacity to accommodate 800-1200+ horsepower. All Champion Radiators deliver the highest craftsmanship standards with 100 percent welded seams, brazed cores, and no epoxy.

      Show More

      When heat management is mission-critical, nothing beats a robust multi-row cooler built to handle serious performance. Champion’s 4-row aluminum radiators offer the kind of capacity and efficiency that high-power and high-stress engines demand. These radiators use four parallel cooling passes packed into a dense core—providing superior thermal transfer compared to conventional 2- or 3-row designs.

      Each Champion 4-row unit is constructed with brazed aluminum tubes, TIG-welded end tanks, and thick cores (typically around 2¾″ deep) to maximize surface area and coolant volume. These radiators are often rated to support 800–1,200+ horsepower, making them suitable for heavily modified street cars, boosted builds, and even competition machines.

      One of the standout benefits is improved temperature control under load. A thicker core and additional flow paths help dissipate heat faster, maintaining lower engine temps during long highway runs, hard acceleration, or aggressive drag runs. That means less risk of boil-over, heat soak, or detonation in tuned engines.

      Fitment is also taken seriously — Champion offers both universal and vehicle-specific 4-row options with multiple inlet/outlet arrangements. Each radiator includes drain petcock, radiator cap, and provisions for transmission cooler lines in many applications.

      If your build exceeds the limits of stock cooling or you’re chasing high-end performance, investing in a true 4 core aluminum radiator gives you peace of mind. Choose the Champion 4-row radiator with dimensions and hose layout that match your chassis, and you’re upgrading to cooling capacity that can keep pace with your engine’s ambition.

    Part TypeRadiator
    Product LineChampion Cooling Systems 4-Row Aluminum Radiators
    BrandCHAMPION COOLING SYSTEMS
    Package Height0.2
    Package Width2.7
    Package Length2.7
    Weight20.0 PG
    Part CategoryReplacement Parts
    Overall Height22.875 in.
    Outlet Size1 3/4 in.
    Radiator Cap IncludedYes
    Inlet LocationUpper driver side
    MaterialAluminum
    Mounting TypeSaddle
    Inlet Size (In.)1 3/4
    Core Height17.5 in (444.5 mm)
    Core Width25.125 in.
    Row Quantity4
    Outlet LocationLower passenger side
    Core MaterialAluminum
    Overall Width25.375 in.
    Transmission Cooler1/4-18 in. NPT
    Part FitmentDirect Fit
    Radiator StyleDownflow
    Vendor Part NumberMC61PD
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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