★★★★★ 5
Hose
Great custom fit
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Reviewed in the United States on November 17, 2020
Extended Length LS 1/8" NPT Coolant Temperature Sensor Adapter Engine Swap M12-1.5
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Extended Length LS 1/8" NPT Coolant Temperature Sensor Adapter Engine Swap M12-1.5Extended Length LS 1 8" NPT Coolant Temperature Sensor Adapter Engine Swap M12 1. 5 Easily Adapt a 1 8" NPT Coolant Temperature Sensor to Your LS Engine This adapter fitting allows you to install a 1 8" NPT coolant temperature sending unit into the factory LS cylinder head sensor location. The extended length design accommodates sending units up to 1. 375" long, ensuring compatibility with a wide range of sensors. The M12 1. 5 male threads provide a
Quick Dispatch:
Your Extended Length LS 1/8" NPT Coolant Temperature Sensor Adapter Engine Swap M12-1.5 orders ship within 1-2 business days.
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
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4.8 ★★★★★
Based on 2008 reviews
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Product Reviews
★★★★★ 3
Didn’t fit but I made it fit.
The part appears decently made in China. The end that terminates below the oil filter would not mount (too tight). I gently sanded the o-ring groove, lubricated and I put the part in freezer. After two hours of sanding the groove I got the part seated. Good thing I was patient today. Pain in the butt.
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Reviewed in the United States on December 12, 2020
★★★★★ 5
Highly recommend
Perfect fit for my Mercedes C300 V6
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Reviewed in the United States on March 1, 2026
★★★★★ 5
good quality
easy to install, works great , good value
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Reviewed in the United States on December 29, 2025
★★★★★ 5
Great price Great product
Great price Great product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 27, 2026
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