1934 Pontiac Model 603 Dual-Pass Transmission Fluid Cooler Trans Oil Cooling, Model 603l S211 Zirgo's unique internal adjustable overflow

Zirgo's unique internal adjustable overflow system eliminates the unsightly overflow tube from the top of the tank

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and extend the life of your 1912-1913 Oldsmobile Defender

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1934 Pontiac Model 603 Dual-Pass Transmission Fluid Cooler Trans Oil Cooling, Model 603l S211 Zirgo's unique internal adjustable overflowGet that Oil Cool and Flow Clean Fluid Through Those Transmission Lines to your Radiator without worry about excessive Heat being your Transmissions worst enemy. Zirgo Transmission & Fluid Coolers Prevent Your Engine Oil and Transmission Fluids From Reaching Their Limits. At high temperatures, engine fluids can create a varnish on critical engine and transmission components, harden seals, cause transmission plates to slip, and cause transmission