Keep a clear eye on engine coolant temperature with the Standard Ignition Engine Coolant Temperature Sender TS-558. It drops in as a direct-fit replacement for the 1986-1989 SAAB 900 (All engines), feeding the in-dash temperature gauge so you can watch how hot the engine is running.
This sender monitors engine coolant temperature and converts it into an electrical signal for the dashboard gauge. If a faulty original sender is behind an erratic, stuck, or inaccurate temperature reading, this unit replaces it.
- Connector: single round, plug-in male connector.
- Terminals: two male blade terminals.
- Installation: bolt-on attachment.
- Country of origin: Italy.
Signs the original may need replacing include a temperature gauge that reads erratically, sticks, pegs, or stops responding. Because wiring or the gauge itself can produce similar symptoms, diagnose the cause before replacing. One sender is used per application.
Interchange: WT740 · TS6139 · 7564354. Manufacturer part number TS-558.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does the TS-558 sender do?
It reads engine coolant temperature and sends an electrical signal to the dashboard temperature gauge, letting you monitor how hot the engine is running.
What vehicle does this sender fit?
It's a direct-fit replacement for the 1986-1989 SAAB 900 (All engines). Check the Buyer's Guide tab to confirm fitment for your vehicle.
What are signs my temperature sender may be failing?
An erratic, stuck, pegged, or unresponsive temperature gauge can be a sign. Wiring or the gauge itself can cause the same symptoms, so diagnose the cause before replacing.
How does it connect and install?
It has a single round, plug-in male connector with two male blade terminals and uses a bolt-on attachment.
What numbers does this sender interchange with?
It interchanges with WT740, TS6139, and 7564354. Its own manufacturer part number is TS-558.
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