AlpaSpare Aluminum Cooling Radiator CU499 Direct Fit for 76-73 Dodge Plymouth

Premium direct-fit cooling radiator for classic Chrysler, Dodge, and Plymouth

Meet the AlpaSpare aluminum radiator CU499, engineered as a true direct replacement for a range of vintage models. This 1:1 drop-in unit is designed to integrate with the factory mounting points and hoses, offering a clean swap without modifications. The lightweight yet rugged aluminum core supports reliable heat management, helping maintain stable coolant temperatures across everyday driving, highway cruising, and more demanding use.

Constructed for durability, this radiator emphasizes corrosion resistance and long service life. It undergoes thorough pressure, leak, and thermal cycling tests to align with OEM-style standards, providing confidence in long-term performance without unexpected rework.

Direct fit and OEM compatibility

• Direct replacement for Chrysler Valiant 1976-1979; Dodge Dart 1973-1976; Plymouth Duster 1970-1976; Road Runner 1975; Scamp 1973-1976; Valiant 1973-1976
• OEM reference numbers include 3673015 3673016 3673021 3673915 3673916 3673921 3692912 3692923 3781705 3781721 3781722 3781724 3781726 3781728 3869921 3869922 499
• Premium aluminum construction delivers durability and long service life with corrosion resistance

Key specifications at a glance

• Core Length 17.99 in
• Core Height 25.51 in
• Core Thickness 1.25 in
• Inlet diameter 1.49 in
• Outlet diameter 1.77 in
• AT MT transmission compatibility AT

Performance and real-world use

• Engineered to dissipate heat efficiently, helping maintain stable coolant temperatures during daily driving, highway cruising, towing, and light off-road use
• Subjected to pressure, leak, and thermal cycle tests to meet OE-like standards and ensure reliability

Installation and maintenance

• 1:1 drop-in replacement means no cutting or drilling; it aligns with original mounting points and hose connections
• Suitable for DIY enthusiasts or professional repair shops seeking straightforward installation

With AlpaSpare, you get a practical upgrade that respects the style and needs of classic vehicles while delivering modern aluminum durability and dependable cooling performance. This radiator aims to provide a worry-free replacement option that aligns with the listed vehicle models and OEM numbers, offering a balanced blend of authentic fitment and contemporary build quality.