Seal and protect your engine’s dipstick port during service, storage, or engine swaps
This billet aluminum plug is designed to seal the dipstick tube port on LS and LT engine blocks or oil pans when the factory dipstick is removed. Ideal for engine swaps, cleaning, painting, or long-term storage, it keeps water, debris, and contaminants out of your engine. The flanged stem allows for easy installation and removal by hand, while dual O-rings ensure a leak-free, secure seal.
Compatible with both LS and LT engine block or oil pan dipstick tube ports
Dual O-ring design provides a reliable, watertight seal
Flanged stem allows for tool-free installation and removal
Made in Wichita, Kansas from aerospace-grade, USA-produced billet aluminum
Includes 1 dipstick port plug and 2 high-quality O-rings
If you need a more permanent solution for your LS engine, check out our ICT part number 551113. It’s a no-tolerance, permanently installed oil dipstick plug for long-term block-off applications.