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About ICT Billet
ICT Billet was born from a passion for LS swaps. After tackling our first swap in 2001, we saw the need for better parts and reliable information. In 2014, we launched ICT Billet to provide high-quality, American-made parts that simplify and enhance LS and LT swaps.
We’re dedicated to supporting car enthusiasts with precision-engineered products, detailed installation guides, and world-class service. Thank you for choosing ICT Billet—your partner in making exceptional builds a reality.
ICT Billet LS Engine Swap M12 1.5 Adapter to 3/8 NPT Coolant Temperature Sensor Water LS1 LSX LS3 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33 LS2 LH6 L92 L76 551179
Male M12-1.5 to Female 3/8"-18 NPT Adapter
Male M12-1.5 to Female 3/8"-18 NPT Adapter Factory LS cylinder heads are machined with metric M12-1.5 coolant sensor ports, so your factory Small Block Chevy sensor won't thread in to them. This adapter allows you to keep your original sensors and integrate them into your swapped LS engine.
- This Adapts Sbc/Bbc (3/8" Npt) Coolant Temperature Sensors To Fit Into Ls Series Cylinder Heads
- Compatible With: All Gm Ls Series Engines
- Made In Wichita, Kansas From Aerospace Grade, Usa Produced, Billet Aluminum
- Includes: 1 Aluminum Adapter, 1 Sealing Washer
- Will Fit Sensors With .85" Length, Measured From Probe Tip To The Outer Edge Of Adapter. Most Aftermarket Gauges Will Use A 3/8" Npt Thread Adapter (Usually Included With Gauge)
Premium USA Produced Materials
Our parts are crafted from premium-grade materials, sourced and produced right here in the USA. Designed by experts in our state-of-the-art facility, we use cutting-edge American-made equipment to ensure unmatched quality and durability.
Exceptional Quality
At ICT Billet, quality is our standard. Every part we produce is crafted with precision using advanced manufacturing technologies in our USA facility. Our commitment to excellence ensures unmatched reliability and performance for your engine swap.
Innovation in Development
At ICT Billet, precision is key. Using advanced technology, we laser-scan vehicles to create solid models for perfect fitment every time. Our commitment to research and development ensures our products work seamlessly from the start.
Proudly American Made
Keeping jobs in America is our priority. We use USA-made materials, belt tensioners, metric flange bolts, pulleys, and more. Our focus on American manufacturing means reliable products you can trust.
Your Complete LS Swap Shop
From engine mounts to wiring, ICT Billet is your one-stop shop for LS swaps. We provide everything you need to make your swap smooth, efficient, and professional.
SEMA Proud, SEMA Strong
As a proud member of SEMA, we are part of an elite group of automotive manufacturers. Our dedication to quality and innovation sets us apart, delivering products you can depend on.
Aaron bates
Reviewed in the United States on July 18, 2024
Do not over tighten. Works as expected to use Holley coolant sensor
Vance
Reviewed in the United States on April 23, 2024
Easy installation of a water temp gauge on passenger side chevy 5.3 with this adapter.
Tyler
Reviewed in the United States on October 11, 2023
Perfect fit to adapt older sensor to a newer model ls engine
Glen
Reviewed in Canada on August 4, 2022
Was what I needed to make my jeep TJ water temp sensor work with my LS swap. I went with this one cause of the known company. Even states their products are made in Kanas. So would be American made. Would’ve gave a 5 star except for the made in china knock off on the bag. Could have bought the one 3 adds down for almost half the cost and probably ended up with the same part. Either way, does the job. Still good quality and never broke or stripped any threads when installing.
Customer
Reviewed in Canada on December 1, 2022
Nothing wrong with the adapter fitting, but my temp sensor probe was too deep and wide to work with this one. I had to use a longer one - which I was trying to avoid on my LS engine. Spark plug boot is hard to remove with long adapter.
B. Stanton
Reviewed in the United States on February 11, 2021
Works well, a little bulky and you may have to disconnect a plug wire to screw it in, but it's fine otherwise.
Justin Phillips
Reviewed in the United States on April 23, 2021
Worked great on my ls swap. Converted 3/8 to the metric thread size on most chevy ls heads
Jesbrooke
Reviewed in the United States on August 22, 2020
This worked perfect for adding Joel electric fans to a 6.0l Chevy 3500 express. It fit the temperature sensor included in the painless universal dual fan painless wiring kit.I really wish they would make these out of brass rather than cheap aluminum. Be careful not to over tighten.
paul garcia
Reviewed in the United States on December 7, 2020
I got this to add a water temp switch at ack of block on 5.3 ls engine on my tahoeI bought 2 sizes the short and long the shorter one was the best fit work out perfect
Ils0crlI
Reviewed in the United States on October 22, 2020
Nice adapter but wrong size for me. These are quality items but you need to make sure you have the right sized based on your sensor size.
Customer
Reviewed in Canada on May 4, 2019
This is exactly what I needed to fit an older style gm water temp sender into a newer ls style block. Would buy again
Kelly
Reviewed in Canada on March 1, 2019
Works great no issues.
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