★★★★★ 5
Good
Very nice very good
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Reviewed in the United States on February 10, 2026
LT LS Gen V M28 to 1/8" NPT Coolant Temperature Sensor Adapter LT1 LT4 LT5 L83 L86
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
LT LS Gen V M28 to 1/8" NPT Coolant Temperature Sensor Adapter LT1 LT4 LT5 L83 L86Coolant Temperature Sensor Fitting Replaces your engine block coolant drain plug with an 1 8" NPT port (will not fit OEM LS LT sensor thread) Compatible with all GM LS & LT (Gen III, IV, & V) series engines Made in Wichita, Kansas from aerospace grade, USA produced billet aluminum Includes: 1 Aluminum coolant feed adapter, 1 Sealing washer
Quick Dispatch:
Your LT LS Gen V M28 to 1/8" NPT Coolant Temperature Sensor Adapter LT1 LT4 LT5 L83 L86 orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.7 ★★★★★
Based on 2448 reviews
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Product Reviews
★★★★★ 5
Excellent plugs, superb performance
Exactly as described at a decent price. I've found over my decades of doing my own tune ups, the one thing you can't skimp
on when tuning up your vehicle, plugs and its shows if you do. Out of the box, all 4 were gapped correctly. Ease of installation depends on your vehicle and ones mechanical ability with PATIENCE. 100% compatible with my vehicle, be sure to match you numbers. Overall 5 stars for performance and price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
★★★★★ 5
💯% Authentic NGK Made in Japan.
Got these for my 2016 Subaru Crosstrek. You can't go wrong with NGK, these are 💯% AUTHENTIC, and made in Japan, unlike other NGK plugs that may be sold by other sellers which could be made in Thailand. The Subaru Crosstrek is running like a brand new vehicle after I put these puppies in it.
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Reviewed in the United States on December 23, 2025
★★★★★ 5
buy these!!
these are legit original NGK, superior plugs, will buy again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
★★★★★ 5
Worked like a charm
Worked like a charm. The box and packaging were adequate from keeping the gaps of the plugs from being squished.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
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