5 Electrical bulb & socket parts are listed for the 2021 Jaguar XF, in 4 part types, covering the 2.0L L4 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Jaguar XF, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. 4 parts of the 5 listed are Headlamp Bulb (2 parts), Back Up / Reverse Lamp Bulb (1 part) and Dome Light Bulb (1 part). The other 1 part type covers the remaining 1 part.
Every part on this page is matched to the 2.0L L4 Turbocharged — the only engine offered in the 2021 Jaguar XF.
The most listed brands for 2021 Jaguar XF electrical bulb & socket parts are PHILIPS (4 parts) and WAGNER (1 part). Quality grades include Extended Life and HID.
Each part number listed for the 2021 Jaguar XF opens a page with every vehicle that part fits.
Back Up / Reverse Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 921WLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ultinon LEDWhite | View on Amazon |
This table covers the bulbs in the reverse lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
One part is listed for the 2021 Jaguar XF — PHILIPS 921WLED.
Dome Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | DE3423LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Longer Life | View on Amazon |
This table covers the bulbs in the dome lamp. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
One part is listed for the 2021 Jaguar XF — PHILIPS DE3423LL.
Headlamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 9012LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High Beam and Low Beam | View on Amazon |
HID (intense white light)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | D3S | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Xenon Gas | View on Amazon |
This table covers the bulbs that light the headlamps. Typical signs include a dark lamp, a flicker over bumps, or a bulb that keeps failing on one side. Avoid touching a halogen capsule. Repeated failure in one socket is usually the socket or ground, not the bulb.
2 Headlamp Bulb parts for the 2021 Jaguar XF come from 2 brands — PHILIPS and WAGNER.
In the Extended Life grade, PHILIPS supplies 1 part: grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. A representative part number is PHILIPS 9012LL.
In the HID (intense white light) grade, WAGNER supplies 1 part: grouped under the catalog's "HID (intense white light)" designation — the notes column spells out what sets them apart. A representative part number is WAGNER D3S.
Part numbers include PHILIPS 9012LL and WAGNER D3S.
Turn Signal Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 12174SV | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
This table covers the bulbs in the turn-signal lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
One part is listed for the 2021 Jaguar XF — PHILIPS 12174SV.
Buying Electrical Bulb & Socket Parts for a 2021 Jaguar XF
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- Confirm you have the 2.0L L4 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, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Headlamp Bulb and Back Up / Reverse Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2021 Jaguar XF?
Our catalog currently lists 5 electrical bulb & socket parts for the 2021 Jaguar XF across 4 subcategories and 2 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical bulb & socket problems on a 2021 Jaguar XF?
Common symptoms include a lamp that flickers over bumps, melted or discolored socket plastic, or bulbs that keep failing early on one side. 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, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
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 2021 Jaguar XF 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 2021 Jaguar XF?
Every part on this page is matched to the 2.0L L4 Turbocharged engine. Then repeated bulb failure in one position usually means a socket or ground problem, not bad bulbs — replace the socket rather than chase it. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Jaguar XF
Electrical Bulb & Socket Parts for Other Jaguar XF 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.