Description
Product Overview
The Larlansz LS oil pressure and coolant temperature adapter is engineered to meet the demanding requirements of modern LS series engines. Crafted from high‑grade aluminum, the adapter offers an excellent balance of strength, corrosion resistance, and lightweight design, ensuring long‑term durability even in harsh automotive environments. The product features two distinct connection sets: a male M16‑1.5 thread paired with a female 1/8″ NPT fitting, and a male M12‑1.5 thread paired with a female 3/8″ NPT fitting. Both adapters include precision‑machined sealing washers that provide a leak‑free seal, eliminating the need for additional gaskets or sealants. The aluminum construction not only reduces overall weight to just 1.76 ounces but also dissipates heat efficiently, supporting the upper temperature rating of 150 °C. This makes the adapter suitable for both oil pressure monitoring and coolant temperature sensing applications, delivering accurate electrical signal output for engine management systems. The compact dimensions of 3.66 x 2.01 x 0.94 inches allow for easy installation in confined engine bays, while the flange‑mount design ensures a secure, vibration‑resistant fit. Compatibility with all LS series engines, combined with the dual‑size NPT interfaces, provides a versatile solution for aftermarket upgrades, performance tuning, and replacement of OEM components. ![[Product front view showing all components]](https://www.pixieshop.store/wp-content/uploads/2026/06/d350cb5ae64046928df3446792d02a2d.jpg)
Usage
Designed for automotive enthusiasts, professional mechanics, and performance shops, this adapter excels in a variety of real‑world scenarios. Whether you are installing a high‑performance oil pressure gauge, integrating a coolant temperature sensor for a custom gauge cluster, or retrofitting a classic LS engine with modern monitoring equipment, the adapter offers a straightforward plug‑and‑play experience. The M16‑1.5 to 1/8″ NPT side is ideal for connecting to standard pressure sensor ports, while the M12‑1.5 to 3/8″ NPT side accommodates larger coolant lines commonly found in performance cooling systems. The robust aluminum body tolerates the vibration and thermal cycling typical of street and track use, making it a reliable choice for daily drivers, race cars, and off‑road vehicles alike. Installation requires only basic hand tools: a wrench to tighten the NPT fittings and a screwdriver for the mounting flange. The included sealing washers simplify the process, reducing installation time to under ten minutes for most applications. Because the adapter transmits an electrical signal rather than fluid, it does not interfere with fluid flow, preserving the integrity of your engine’s lubrication and cooling circuits. This product is especially valuable for users who need to monitor both oil pressure and coolant temperature simultaneously, as it consolidates two monitoring points into a single, space‑saving component.
Why Choose Us
Larlansz is committed to delivering automotive components that combine precision engineering with practical functionality. Our LS oil pressure and coolant adapter stands out for several reasons. First, the use of aerospace‑grade aluminum ensures a high strength‑to‑weight ratio, providing durability without adding unnecessary mass to the engine assembly. Second, each adapter is manufactured to tight tolerances, guaranteeing a perfect fit on LS series engines and eliminating the common issues of cross‑threading or misalignment. Third, the dual‑size NPT configuration reduces the need for additional adapters or converters, streamlining the installation process and minimizing potential leak points. Fourth, every unit undergoes rigorous quality control testing, including pressure, temperature, and vibration assessments, to confirm that it meets or exceeds OEM specifications. Finally, Larlansz offers responsive customer support and a comprehensive warranty, giving you confidence that any questions or concerns will be addressed promptly. Our dedication to after‑sales service means you receive not only a high‑quality product but also the peace of mind that comes from a trusted brand.
Key Features
- Durable aluminum construction provides corrosion resistance and lightweight performance.
- Dual NPT sizes (1/8″ and 3/8″) eliminate the need for extra adapters, simplifying installation.
- Precision sealing washers ensure a leak‑free connection for reliable pressure and temperature readings.
- Flange‑mount design offers secure, vibration‑resistant attachment in demanding engine environments.
- Dedicated Larlansz customer support and warranty give you confidence after purchase.
FAQ
What engines are compatible with this adapter?
The adapter is designed for all LS series engines, including LS1, LS2, LS3, LS6, LS7, LS9, and their performance variants. It fits the standard oil pressure and coolant sensor ports found on these engines without modification.
Can I use this adapter for both oil pressure and coolant temperature monitoring?
Yes. The adapter provides two separate NPT connections—one optimized for oil pressure sensors and the other for coolant temperature sensors—allowing you to monitor both parameters simultaneously with a single component.
Is the aluminum material suitable for high‑temperature applications?
Absolutely. The aluminum alloy used in this adapter is rated for temperatures up to 150 °C, which covers the typical operating range of most LS engines under both normal and performance conditions.
Do I need additional tools or accessories to install the adapter?
No special tools are required. A standard wrench or socket set is sufficient to tighten the NPT fittings, and the included sealing washers ensure a secure, leak‑free seal. The mounting flange can be secured with basic hand tools.
What warranty does Larlansz provide for this product?
Larlansz offers a one‑year limited warranty covering manufacturing defects. If you encounter any issues related to material or workmanship, contact our support team for a replacement or refund.





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