Aluminum Radiator for Mercury Marquis (1967-1968) 6.4L 6.7L 7.0L

Direct-Fit High-Efficiency Aluminum Radiator for 1967-1968 Mercury Marquis

Direct Cooling Upgrade: Drops engine operating temperatures on big-block classics by replacing deteriorated factory brass-copper units with a high-flow, all-aluminum heat exchanger.

The Stock Marquis Thermal Limitation

Factory 1967-1968 Marquis cooling setups relied on soldered copper-brass cores susceptible to tube calcification, galvanic corrosion, and fin separation over decades of heat cycles. Paired with high-displacement FE-series engines generating extreme thermal loads, the aging OEM units suffer severe heat soak during extended idling and highway cruising, often resulting in coolant boil-over, pre-ignition, and head gasket degradation.

The Engineering Solution

This direct-fit replacement engineered with a high-capacity 3-row core features brazed aluminum tubes and high-density louvered fins to maximize heat dissipation. TIG-welded aircraft-grade aluminum end tanks eliminate the failure-prone soldered seams of original equipment. The reinforced core design optimizes fluid transition dynamics, dropping coolant temperatures reliably while preserving original bracket alignment and transmission oil cooling provisions.

Technical Specifications

Compatibility

• 1967 Mercury Marquis 6.4L 390 cu in FE V8
• 1967 Mercury Marquis 6.7L 410 cu in Marauder V8
• 1967 Mercury Marquis 7.0L 428 cu in Super Marauder V8
• 1968 Mercury Marquis 6.4L 390 cu in FE V8
• 1968 Mercury Marquis 6.7L 410 cu in Marauder V8
• 1968 Mercury Marquis 7.0L 428 cu in Super Marauder V8

The Mercury Big-Block Caliber

Engineered to handle the immense low-end torque and thermal rejection needs of full-size American muscle cruisers, ensuring rock-solid operating temperatures under sustained acceleration and heavy traffic conditions.