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Updated: 06 Apr 2026

10 Best Car Radiators Downflow

#1 Best Pick
Cubauto 4 Row Aluminum Radiator For 1963-1966 65 Ford Mustang Falcon Ranchero Radiator fit Mercury Comet V8 64 1965 66 Downflow Radiators

Cubauto 4 Row Aluminum Radiator For 1963-1966 65 Ford Mustang Falcon Ranchero Radiator fit Mercury Comet V8 64 1965 66 Downflow Radiators

Brand: Cubauto
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  • Model Application: For Ford Mustang V8 260 289 Auto/Manual 64 65 66; For Ford Mustang Falcon Mercury V8 4.3L 4.7L 63-66; Fits For Automatic And Manual Transmissions; Fitment Type: Direct Replacement
  • 100% Leak Tested, 4 Rows, Downflow Radiator, Durability Tested, No Drilling or Modifications Needed for Installation
  • Easy To Install: Cubauto Brand-new radiator engineered and manufactured to meet original specifications for quick installation. Direct fit and built to last long with high quality aluminum core and aluminum tanks preventing corrosion
  • Aluminum Radiator: All-aluminum design with durable TIG-welded construction (AA5052 aircraft aluminum) ;High performance racing design, improves cooling by 35 -45% Temp
  • High Quality: Cubauto 4 Row Aluminum Radiator is welded in vacuum brazing furnace, no epoxy, all item is 100% inspected and tested for quality assurance
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#2 Best Value
Atelierate 3X9 Inch Radiator Overflow Tank Bottle Coolant Overflow Tank Universal Car Supplies Parts Accessories

Atelierate 3X9 Inch Radiator Overflow Tank Bottle Coolant Overflow Tank Universal Car Supplies Parts Accessories

Brand: Atelierate
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  • The fully polished body resists and stains.
  • works with any radiator. Stops loss of coolant and prevents pulling air into system when cooling off.
  • Racing coolant expansion tanks are designed to catch coolant overflow and properly re-circulate it back to the radiator. The proper re-circulation ensures that your engine continues to operate at safe temperatures.
  • Polished stainless steel expansion reservoir tank with screw-off cap.
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#3 Budget Pick
Alloy Radiator for Holden Rodeo RA 4cyl 2.4L 3.0L V6 3.5L 2003-2008

Alloy Radiator for Holden Rodeo RA 4cyl 2.4L 3.0L V6 3.5L 2003-2008

Brand: Generic
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  • Aftermarket Warranty: 2 year (or up to 50,000kms, whatever comes first).
  • Width: 588 mm; Height: 475 mm; Core Thickness: 26 mm; Material: Aluminium Core; Inlet OD: 38 mm; Outlet OD: 38 mm; suits Transmission type: Both Auto + Manual
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#4 Top Choice
Torchbeam Car Aluminum Core Radiators Compatible with 1998-2001 Ranger 2.5L, 1998-2001 B2500 Transmission Oil Cooler Included

Torchbeam Car Aluminum Core Radiators Compatible with 1998-2001 Ranger 2.5L, 1998-2001 B2500 Transmission Oil Cooler Included

Brand: Torchbeam
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  • Vehicle Radiators Fitment For: 1x Radiator - CU2172 1998-2001 Ranger 2.5L, 1998-2001 B2500
  • Aftermarket Reference OEM Part Numbers: F87H8005GA, F87Z8005DA, F87Z8005GA, ZZP015200, ZZP315200
  • Product Dimension Core Width: 20 ,Core Height: 21-1/8 ,Core Thickness: 3/4 ,Inlet Diameter: 1-1/2 ,Outlet Diameter: 1-1/2
  • High-Efficiency Cooling: Engineered with a high-density aluminum core and multi-layer cooling fins, ensuring optimal heat dissipation and maintaining the engine's ideal operating temperature.
  • Enhanced Package: Package come with 1x Torchbeam Radiator Complete Radiator and. Fixed foam in four corners for the purpose of fixing the radiator, no bending and no damage.
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#5 Popular Choice
Torchbeam CU13603 Vehicle Radiators for 2016-2020 Optima 2.4L CU13603

Torchbeam CU13603 Vehicle Radiators for 2016-2020 Optima 2.4L CU13603

Brand: Torchbeam
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  • Fit for Car Model :2016-2020 Optima 2.4L
  • OEM Part N0.:CU13603, 4113603, 2219600, 13603C, 25310C1150, 25310C1100, 960, A13603, 8013603, NR13603B, 675053, 13603, KI3010163
  • Dimension - Core Width: 18-7/8 In. ,Core Height: 25 In. ,Core Thickness: 5/8 In. ,Inlet Diameter: 1-3/8 In. ,Outlet Diameter: 1-3/8 In.
  • Stable、Durable、Leak-free: The radiators we produce have passed strict performance tests, with excellent sealing and leak-proof. Ensure that the product maintains reliable quality during use.And the product complies with the Quality Management System of IATF16949
  • Efficient heat dissipation: The radiator core is made of new composite material aluminum alloy; Aluminum alloy has excellent thermal conductivity and corrosion resistance; The thickness of the aluminum core is 1:1 with the original, and the heat dissipation performance is more efficient.
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#6 Top Pick
RADREPLA CC5057 Aluminum Radiator for 1955 1956 1957 Chevy Bel Air Nomad V8 Engine Radiador 3 Row Downflow Radiators 55 56 57

RADREPLA CC5057 Aluminum Radiator for 1955 1956 1957 Chevy Bel Air Nomad V8 Engine Radiador 3 Row Downflow Radiators 55 56 57

Brand: RADREPLA
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  • ★3 Row Core Radiator for 1955-1957 Chevy Bel Air Cars V8 Engines, for Chevy Bel Air 210 150 V8 1955 1956 1957, for 55-57 Chevy Nomad Bel Air Small Block 150/210 Sbc V8, for Chevy Bel-Air Nomad 55 56 57 V8 W/Cooler 210 150
  • 1955 1956 1957 55 56 57
  • ★OE/OEM Part Number: 5057, SBR5057, CC5057, CU5057, RAD5057, MC5057
  • ★Material: Full Aluminum
  • Row: 3 Rows
  • Core Size: 17-1/4" H x 21-1/2" W x 2"
  • Overall Size: 24-1/2 H x 23-3/4" W
  • Upper Inlet: 1-1/2" located in the Center
  • Lower Outlet: 1-3/4" located on the Passenger side
  • ★High Performance. Full AA5052 Aircraft Aluminum craftsmanship radiator & exclusive tube design that dramatically increases cooling efficiency by up to 30%~45%, strong and durable, 100% welded by TIG, No Epoxy. 100% Leak Tested. Easy to Install
  • ★Excellent service. Local delivery. Warranty period: 1 Year. Any questions pls feel free to contact us first
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#7 Top Pick
RADREPLA CU2354 Radiator for 2001-2005 Honda Civic Acura DX EL EX GX HX Si 1.7L /L4 Radiador Downflow Radiators 2002 2003 2004 01 02 03 04 05

RADREPLA CU2354 Radiator for 2001-2005 Honda Civic Acura DX EL EX GX HX Si 1.7L /L4 Radiador Downflow Radiators 2002 2003 2004 01 02 03 04 05

Brand: RADREPLA
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  • For 2001-2005 Honda Civic 1.7L Only (Not for 1.3L Hybrid & 2.0L Hatchback)
  • For 2001-2005 Acura EL 1.7L All Models
  • 2001 2002 2003 2004 2005 01 02 03 04 05
  • OE/OEM Part Number: 2354
  • Interchange Part Number: CU2354, RAD2354, DPI 2354
  • Superseded Part Number: HO3010177, HD37025A, 19010PLC901, 19010PLMA01
  • Core Material: AA5052 Aluminum
  • Tank Material: Plastic
  • Core Dimension: 26" x 14"
  • Inlet size:1.12", Outlet size: 1.12"
  • Core Thickness: 0.63"
  • Highest grade plastic tanks with aluminum core - made to withstand rust and wear, Effective Heat Dissipation. Our radiators are 100% leak tested to prevent coolant loss and keep your engine running efficiently.
  • Crafted by our professional team using the highest-grade materials for exceptional longevity.
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#8 Top Pick
Aluminum Oil Cooler, 4 Rows Transmission and Power Steering Radiator for Auto Vehicles, Black High Performance Cooling System for Cars and Trucks, Heavy Duty Heat Exchanger

Aluminum Oil Cooler, 4 Rows Transmission and Power Steering Radiator for Auto Vehicles, Black High Performance Cooling System for Cars and Trucks, Heavy Duty Heat Exchanger

Brand: Generic
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  • Multi-Purpose Cooling Performance---This high-efficiency 4-row aluminum oil cooler effectively reduces temperatures for engine oil, transmission fluid, and rear differentials. Ideal for high-performance and daily-driven vehicles, it prevents overheating while ensuring smoother operation and extended component lifespan under demanding conditions
  • Easy Installation---Designed for straightforward setup, this universal oil cooler requires no complex modifications. Whether you're a DIY enthusiast or a professional, its simple bolt-on design ensures quick integration into your vehicle’s cooling system without tools.
  • Premium Aluminum Construction---Crafted from high-grade aluminum with an anodized finish, this oil cooler delivers superior heat dissipation and corrosion resistance. Its durable design withstands harsh conditions, making it a long-lasting upgrade for cars, trucks, and modified street vehicles.
  • Enhanced Transmission Cooling Efficiency---By converting a standard radiator into a high-performance cooling unit, this oil cooler significantly improves transmission oil cooling. This upgrade helps maintain optimal fluid temperatures, reducing wear and improving shifting smoothness in automatic and manual transmissions.
  • Quality Manufacturing Standards---Manufactured to strict original equipment specifications, this oil cooler meets rigorous quality and performance benchmarks. It ensures reliable operation, precise fitment, and durability, making it a trusted choice for both street and performance applications.
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#9 Top Pick
RADREPLA CU2707 Radiator for 2004-2012 Chevy Colorado GMC Canyon 2.8L 2.9L 3.5L 3.7L Radiador Downflow Radiators 2005 006 2007 2008 2009 2010 2011 04 05 06 07 08 09 10 11 12

RADREPLA CU2707 Radiator for 2004-2012 Chevy Colorado GMC Canyon 2.8L 2.9L 3.5L 3.7L Radiador Downflow Radiators 2005 006 2007 2008 2009 2010 2011 04 05 06 07 08 09 10 11 12

Brand: RADREPLA
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  • ★For 2004-2012 Chevy Colorado 2.8L, 2.9L, 3.5L & 3.7L
  • For 2004-2012 GMC Canyon 2.8L, 2.9L, 3.5L & 3.7L
  • For 2006 Isuzu I280 2.8L
  • For 2007-2008 Isuzu I290 2.9L
  • For 2006 Isuzu I350 3.5L
  • For 2007-2008 Isuzu I370 3.7L
  • ★2004 2005 006 2007 2008 2009 2010 2011 2012 04 05 06 07 08 09 10 11 12
  • Note: NOT FOR 2009-2012 5.3L Models
  • Interchange Part Number: CU2707, DPI 2707, A2707, C2707, Q2707, 15120862, 15199307, 15199308
  • ★Core Material: Aluminum
  • Tank Material: Plastic
  • Core Dimension: 18-1/8" x 22-7/8"
  • Inlet Diameter: 1-5/16", Outlet Diameter: 1-9/16"
  • Oil Cooler: Transmission Oil Cooler
  • ★Highest grade plastic tanks with aluminum core - made to withstand rust and wear, Effective Heat Dissipation. Our radiators are 100% leak tested to prevent coolant loss and keep your engine running efficiently.
  • ★Excellent service. Local delivery. Warranty period: 1 Year. Shipping damage, leakage and any other problems can contact us for exchange or refund, reply within 12 hours
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#10 Top Pick
Torchtree CU2609 Engine Radiator, Compatible with 2002-2004 Expedition(from Mar/2002,to Sep/2003), 2003-2004 Navigator, (Downflow Unit)

Torchtree CU2609 Engine Radiator, Compatible with 2002-2004 Expedition(from Mar/2002,to Sep/2003), 2003-2004 Navigator, (Downflow Unit)

Brand: Torchtree
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  • [Vehicle Fit] This engine cooling radiator replacement is compatible with 2002-2004 Expedition(From Mar/2002,To Sep/2003), 2003-2004 Navigator, (Downflow Unit). Please use Amazon's vehicle fitment tool to confirm if the part is suitable for your vehicle application
  • [OEM Replacement] This radiator replaces OEM part numbers CU2609, 412609, 2219631, 2609C, 2L1H8009DF, 2L1Z8005DD, H2MZ8005AC, 2L1Z8005FB, 2L1Z8005DG, 433834, CRS2609, 8012609, 2609, 1981200602. Core Thickness: 1-1/4 in;Core Width:27-3/16 in;Core Height: 19-7/8 in;Inlet Diameter:1-3/4 in;Outlet Diameter:1-3/4 in. Original factory standard, precise replacement, easy installation, and excellent quality
  • [Efficient and Durable] Our auto radiator use high-density multi-louver fins with a larger heat dissipation area for maximum cooling efficiency; they use high-grade plastic water tanks and aluminum cores to prevent corrosion and have excellent thermal conductivity. All radiator replacement comply with IATF16949 quality management system standards and have undergone leakage testing, pressure testing, aging and durability testing, giving you peace of mind and the best use experience
  • [Upgraded shockproof packaging] Our car radiator adopts upgraded shockproof packaging. The four corners are fixed with foam pads and tightly wrapped with sturdy cardboard, and there are also multi-layer sealing strips to ensure that the radiator arrives in your hands safely. Professional installation is highly recommended
  • [Customer Support] Torchtree has been committed to the research and development and production of auto parts for a long time. Any parts produced are 100% matched with the original car. We promise to provide two-year quality assurance and comprehensive after-sales support. If you encounter any problems with any product, you can contact us at any time, we will respond in time and provide solutions
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