Upgrade your 1971-1973 Mercury Cougar 429 or 460 V8 with a dependable 26-inch, 3-row copper/brass radiator. Built with OE-type tanks and an improved 3-row core design, it delivers the cooling support your big-block Cougar needs while keeping the engine bay clean, classic, and factory-inspired.
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Built for Big-Block Cougars: Fits 1971-1973 Mercury Cougar models equipped with 429 or 460 V8 engines.
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Improved Cooling Performance: The 3-row design uses increased tube size and fin count for dependable heat transfer.
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Classic Copper/Brass Construction: Traditional materials support durability and a period-correct appearance.
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Automatic Transmission Ready: Includes transmission cooler ports with 1/8"-27 NPT female inlet and outlet threads.
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Factory-Inspired Appearance: OE-type tanks help preserve a clean, original-style Mercury Cougar engine bay.
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26-Inch Radiator Size: The larger radiator configuration supports compatible 1971-1973 Cougar cooling systems.
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Reliable Restoration Upgrade: Ideal for replacing an aging radiator while improving big-block cooling confidence.
This 26-inch radiator is a strong cooling upgrade for 1971-1973 Mercury Cougar owners running a 429 or 460 V8. Its 3-row design is built with increased tube size and fin count to support dependable heat transfer, making it a smart replacement for an old, restricted, or inefficient original radiator.
The copper/brass construction and OE-type tanks give this radiator the classic look Cougar owners appreciate while supporting reliable function for regular driving, restoration work, and weekend cruising. For automatic transmission applications, the built-in cooler provisions use 1/8"-27 NPT female threads and support common 5/16-inch flexible hose or 5/16-inch flared hardline adapter fittings.
Keep your 429 or 460 Mercury Cougar cooler with OE-style copper/brass construction, 3-row performance, and big-block confidence.
| Product Details |
| Make |
Mercury |
| Model |
Cougar |
| Year Range |
1971-1973 |
| Engine Fitment |
429 / 460 V8 |
| Product Type |
Radiator |
| Radiator Size |
26 inch |
| Construction |
Copper / brass with OE-type tanks |
| Row Count |
3-row |
| Core Design |
Increased tube size and fin count |
| Transmission Cooler Ports |
1/8"-27 NPT female inlet and outlet |
| Flexible Hose Adapter |
1/8"-27 NPT male to 5/16" barbed male for 5/16" flexible hose |
| Hardline Adapter |
1/8"-27 NPT male to 1/2"-20 inverted flare female for 5/16" flared-tube hardline |
| Application |
Classic Mercury Cougar big-block V8 cooling system upgrade or replacement |
| Dimensions |
36 in. L x 7 in. W x 24 in. H |
| Approximate Weight |
25 lb. |
