421-1018
M18 x M12 Temperature Sensor Adapter
Thread adapter stepping down from M18 to M12 for temperature sensor fitment.
Description
Sensor ports do not always share the same thread profile as the probe you need to install. Screwing this M18 to M12 bushing into intake air housings or engine water jackets lets you thread smaller sensors into larger bosses without leaks or stripped…
Overview
Sensor ports do not always share the same thread profile as the probe you need to install. Screwing this M18 to M12 bushing into intake air housings or engine water jackets lets you thread smaller sensors into larger bosses without leaks or stripped threads.
Features
- M18 external threads to M12 internal threads
- Hex body for standard wrench flats
- Fluid and pressure-tight sealing face
Applications
Air intake piping and coolant jackets needing M12 temperature sender adaptation into M18 threaded ports.
Specifications
| Brand | Caterpillar |
|---|
Related parts

M12 Temperature Sensor
579-9604
Similar part

M12 Temperature Sensor
586-9962
Similar part

1'' X 1/4'' Temperature Sensor Adapter
213-6791
Similar part

M12 Engine Coolant Temperature Sensor Adapter
354-2783
Similar part

M18 X 3/8" Straight Adapter
201-0624
Similar part

Temperature Sensor
579-9606
Similar part

Temperature Sensor
548-4927
Similar part

Temperature Sensor
595-4338
Similar part
Customer Reviews
No reviews yet.
Reviews come from verified buyers: customers whose quotation for this part was accepted.
How to get M18 x M12 Temperature Sensor Adapter 421-1018
Jumbosan supplies M18 x M12 Temperature Sensor Adapter 421-1018. Choose the way that suits you.
Send a quote request form
Fill in the short form with the quantity and your company details. We reply with availability and lead time.
Contact us by email
Email info@jumbosan.com with the part number and the quantity you need.
Message us on WhatsApp
Send the part number to +90 543 279 89 81 on WhatsApp and a salesperson replies in the chat.
Send your list to the AI quote page
Upload a PDF, photo or spreadsheet of part numbers. The AI reads it and builds the request for you, which suits long lists.
