The 3612521 Coolant Fluid Level Sensor Switch is a replacement part for Cummins construction machines, including L10, M11, ISM, N14, ISX and other models. It is supplied by LIONKITS as aftermarket new. It is covered by a 6-month warranty.
3612521 Coolant Fluid Level Sensor Switch Specifications
- Product Type: Coolant Fluid Level Sensor Switch
- Part Number: 3612521, 4903489, 1673785C91, 1673785C92
- Compatible Brand: Cummins
- Condition: Aftermarket new
- Warranty: 6 months
- Brand: LIONKITS
- Country of Origin: China
Cummins Models Compatible with the 3612521 Coolant Fluid Level Sensor Switch
- L10
- M11
- ISM
- N14
- ISX
- PAI
- Spare Part
Your model is not listed? Contact LIONKITS via live chat or email with your machine model and nameplate photo, and we will confirm compatibility.
How to Order the 3612521 Coolant Fluid Level Sensor Switch
- Confirm your machine model and the part number on your existing part before ordering.
- Send a photo of the machine nameplate (or VIN) if you are not sure; LIONKITS will confirm fitment for you.
Shipping, Payment and Support
- Preparation time: 2-3 days
- Delivery time: 3-7 days
- Shipping methods: DHL, FedEx, UPS, TNT, USPS EMS
- Payment methods: Credit Card, PayPal
- Order tracking: A tracking number with a tracking link is sent by email once the order ships.
Frequently Asked Questions
What is the 3612521 Coolant Fluid Level Sensor Switch?
The 3612521 Coolant Fluid Level Sensor Switch is a replacement part for Cummins construction machines, offered by LIONKITS as aftermarket new under part numbers 3612521, 4903489, 1673785C91, 1673785C92.
Which Cummins models does the 3612521 Coolant Fluid Level Sensor Switch fit?
It is listed for L10, M11, ISM, N14, ISX, PAI and other models shown in the compatibility list above. If you are unsure, send your machine nameplate to LIONKITS for confirmation.
What are the warranty and delivery terms for the 3612521 Coolant Fluid Level Sensor Switch?
Warranty: 6 months. Typically, orders are prepared in 2-3 days and delivery takes 3-7 days. Shipping by DHL, FedEx, UPS, TNT, USPS EMS.



















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