Aluminum Radiator for Toyota Corolla (1974-1983) 1.2L 1.6L 1.8L AT
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High-Efficiency 3-Row Aluminum Radiator for 1974-1983 Toyota Corolla
What it Does: Replaces factory-original, failure-prone radiator assemblies with a multi-row aluminum cooling core engineered to optimize fluid heat rejection in automatic-equipped applications.
The Stock Corolla Thermal Vulnerability
Original 1974–1983 Corolla cooling systems relied on narrow-tube copper-brass or crimped end-tank radiators that inevitably succumb to age-induced failure. Decades of operation lead to internal core scaling, solder bloom, and bent external fins that drastically choke coolant velocity and airflow. Furthermore, automatic transmission configurations require continuous heat exchange between circulating ATF and engine coolant; when aged OEM cores suffer from heat soak, transmission fluid temperatures rise dangerously alongside cylinder head temperatures, increasing the risk of blown head gaskets and premature gearbox slippage.
The Engineering Solution
This direct-replacement unit utilizes an all-aluminum performance construction featuring a high-density 3-row brazed core paired with robotically TIG-welded structural end tanks. By moving to lightweight aluminum and increasing core thickness, the cooling assembly enhances fluid capacity and maximizes thermal dissipation across wide ambient temperature swings. Precision-machined inlet and outlet ports maintain factory hose compatibility, while an integrated, internally routed automatic transmission cooler prevents fluid shear and manages gearbox thermals without requiring chassis modifications or external secondary plumbing.
Technical Specifications
| Fitment | 1974-1983 Toyota Corolla (Automatic Transmission) |
| Engine / Chassis | 3K-C (1.2L), 2T-C (1.6L), 3T-C (1.8L) / E30, E50, E70 |
| Stock Output | 55-75 hp / 67-95 lb-ft (Approx) |
| Part Number | N/A |
Compatibility
- 1974-1979 Toyota Corolla (E30, E31, E36, E37, E38, E51) 1.2L 3K-C / 1.6L 2T-C AT
- 1979-1983 Toyota Corolla (E71, E72, E75) 1.6L 2T-C / 1.8L 3T-C AT
The Toyota JDM Caliber
Preserve your vintage RWD Toyota powertrain with race-grade thermal management that stabilizes operating temps under prolonged load while maintaining period-correct engine bay fitment.
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