Stop Transmission Fluid Leaks for Good: Features a precision O-ring that creates a perfect seal at the speedometer port, preventing messy and costly transmission oil leaks after you remove your mechanical speedometer cable.
Built to Last with Aircraft-Grade Aluminum: CNC-machined from durable T6061 aluminum alloy, this plug withstands heat, resists corrosion, and won't rust or deform, ensuring a permanent, reliable seal under harsh conditions.
Perfect Fit for Your GM Vehicle: Enjoy a guaranteed fit for a wide range of 1968-1981 GM cars and trucks with TH350/TH350C transmissions. Replaces OEM part numbers 25513247, A44774, 44774, and others.
Install in Minutes, Not Hours: Achieve a professional-grade seal with zero hassle. The direct replacement design requires no special tools, welding, or modifications—simply swap out the old connector in minutes.
The Ideal Upgrade for Electronic Speedometers: The perfect enclosed solution when converting to an electronic speedometer system. It provides essential dual protection by keeping oil in and harmful dirt and moisture out of your transmission.
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