Fiat SIENA Immobilizer relay

Compare Fiat SIENA immobilizer relay from trusted brands — check fitment by engine

2 parts available for Fiat SIENA

Immobilizer relay for Fiat SIENA: all models

Fiat SIENA 178 172 372

Hot Picks: our best-selling Fiat SIENA Immobilizer relay

Popular Immobilizer relay parts at great prices.

BOSCHF 026 T00 063F 026 T00 063£150.99

TOPRAN202 150202 150£9.99

FASTFT83305FT83305£10.99

Top Immobilizer relay brands for Fiat SIENA

FAST2

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Immobilizer relay for Fiat SIENA — what you need to know

Finding the right immobilizer relay for your Fiat SIENA is essential for safe and reliable driving. We stock 2+ options from 1+ trusted brands, all with TecDoc-verified fitment for your specific vehicle.

When choosing immobilizer relay for your Fiat SIENA, consider factors like OEM vs aftermarket quality, material specifications, and your driving conditions. OEM parts match original specifications exactly, while premium aftermarket brands like Bosch, TRW, and Febi Bilstein often offer comparable quality at lower prices.

All immobilizer relay listed on this page are confirmed compatible with Fiat SIENA. Our fitment data is sourced from TecDoc, the industry-standard European automotive parts database. If you are unsure about compatibility, check the OE part number on your existing component and use our cross-reference search.

Frequently Asked Questions

What immobilizer relay fits a Fiat SIENA?

We have 2+ immobilizer relay options verified for Fiat SIENA. Select your exact engine above to confirm fitment. All compatibility data is verified through TecDoc.

How many immobilizer relay options are available for Fiat SIENA?

There are 2 immobilizer relay options available for the Fiat SIENA, from brands including FAST. Prices range from £9.58 to £9.68.

What brands make immobilizer relay for Fiat SIENA?

Available brands include FAST. All parts are new, with TecDoc-verified fitment and our 14-day guarantee.

How do I find the OE part number for Fiat SIENA immobilizer relay?

Check your Fiat SIENA owner's manual or service book for the original part number. You can also use our OE number search to find compatible aftermarket alternatives. The part number is often printed on the existing component.