4 Electrical switch & relay parts are listed for the 2017 International LT, in 3 part types, covering the 14.9L L6 DIESEL Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2017 International LT, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. All 4 listed parts are Oil Pressure Sender / Switch (2 parts), A/C System Relay (1 part) and Air Brake Pressure Switch (1 part).
Every part on this page is matched to the 14.9L L6 DIESEL Turbocharged — the only engine offered in the 2017 International LT.
The most listed brands for 2017 International LT electrical switch & relay parts are DORMAN (2 parts), UAC (1 part) and GPD (1 part).
Each part number listed for the 2017 International LT opens a page with every vehicle that part fits.
A/C System Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UAC | RE8434C | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the relays that control the A/C System circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
This group shows a single part: UAC RE8434C.
Air Brake Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 9047791 | 🇺🇸 US 🇨🇦 CA | DashboardAt Dash Valve | View on Amazon |
This table covers the Air Brake Pressure switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
One part is listed for the 2017 International LT — DORMAN 9047791.
Oil Pressure Sender / Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 9045050 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GPD | 1815437 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch.
2 Oil Pressure Sender / Switch parts for the 2017 International LT come from 2 brands — DORMAN and GPD.
Listed part numbers: DORMAN 9045050 and GPD 1815437.
Buying Electrical Switch & Relay Parts for a 2017 International LT
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Confirm you have the 14.9L L6 DIESEL Turbocharged engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Oil Pressure Sender / Switch and A/C System Relay .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2017 International LT?
Our catalog currently lists 4 electrical switch & relay parts for the 2017 International LT across 3 subcategories and 3 brands, covering the 14.9L L6 DIESEL Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2017 International LT?
Common symptoms include accessories that work intermittently, a click without action, or one function dead while its fuse tests fine. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2017 International LT was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2017 International LT?
Every part on this page is matched to the 14.9L L6 DIESEL Turbocharged engine. Then swap a suspect relay with an identical known-good one from the fuse box before buying — it is the fastest diagnostic there is. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2017 International LT
Electrical Switch & Relay Parts for Other International LT Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.