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Vehicle Info NeededCHAMPION COOLING SYSTEMSPART NUMBER: 166-MC6365
All-Aluminum Radiator 1963-1965 Buick Riviera 6.6L/7.0L V8
$31199
Ships on Sep 14, 2026
Lowest Price GuaranteeGM
All-Aluminum Radiator1963-1965 Buick Riviera 6.6L/7.0L V8 Monster Core 4-Row Radiator Cap Included
Features:
- All-aluminum design with 4-rows of 5/8 in. (.625) tubing
- Brazed core technology with welded seams (no epoxy)
- Billet fill neck
- Max cool louvered fin technology
- Tubes are spaced 3/8 (.375) in. apart
- OEM style brass petcock
- Saddle mounted
- Passenger side hose inlet, driver side hose outlet
- Transmission cooler fitting: 1/2-20 straight thread, inverted flare
- 16 lbs. standard radiator cap included
- Note:
- Saddle mount insulators will need to be trimmed for fitment
Part TypeRadiator
BrandCHAMPION COOLING SYSTEMS
Package Height6.8
Package Width25.1
Package Length28.5
Weight19.025 PG
Overall Height23.01 in (584.5 mm)
Outlet Size1.625 in (41.3 mm)
Radiator Cap IncludedYes
Radiator MaterialAluminum
Drain Valve IncludedYes
QuantitySold individually
Mounting Hardware IncludedNo
Inlet LocationUpper
Inlet Size (In.)1.50
Core Height17.5 in (444.5 mm)
Mounting Brackets IncludedNo
Core Width25.01 in (635.254 mm)
Row Quantity4
Outlet LocationLower
Overall Width25.125 in (638.2 mm)
Radiator FinishPolished
Fan IncludedNo
Part FitmentDirect Fit
Radiator StyleCrossflow
Vendor Part NumberMC6365
Package Qty1
Package TypeEA
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