Water Temperature Sender Switch 3073787R1 for Case IH 685 01/86 12/90
Let Northline Parts Do the Heavy Lifting for You!
Not sure which part you need? Our team can help you find the right replacement.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Water Temperature Sender Switch for Case IH
This water temperature sender switch, referencing OEM cross-reference 3073787R1, is built for Case IH 685 tractors produced from January 1986 through December 1990. It detects engine coolant temperature and relays it to the gauge for accurate monitoring. This water temperature sender switch ensures the operator sees real-time heat levels during operation.
Overview
This water temperature sender switch 3073787R1 is an electrical sensor that screws into the cooling system and converts coolant heat into a gauge signal. It is specifically designed for the Case IH 685 model with the production range indicated. This water temperature sender switch provides dependable temperature monitoring to help protect the engine from overheating.
Built For Performance
- Compatible with the Case IH 685 01/86 12/90 production run
- Rugged construction resists vibration and thermal stress
- Precise resistance curve matches OEM gauge calibration
- Direct fitment for the original sender location
Fits These Machines
- for Case IH 685 (01/86 to 12/90)
On-The-Job Use
- Used on Case IH 685 tractors during heavy tillage and loader work
- Monitors coolant temperature during prolonged idling or high-load operations
- Provides critical data for maintaining engine health in daily farm tasks
Specs At A Glance
| Part Number(s) | 3073787R1 |
| Type | Water temperature sender switch |
| Compatible Brand | Case IH |
| Production Range | 01/86 12/90 |
Good To Know
Q: How do I know if this sender is faulty? A: Signs include a gauge that reads cold or hot constantly or fluctuates erratically, which usually indicates a failed sender.
Q: Can I install this sender myself? A: Typical installation involves removing the old sender, applying thread sealant, and tightening the new one, but always consult your tractor manual for torque specs.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.