This page lists 27 electrical parts for the 2018 Jaguar XJ, across 5 part types, covering both the 3.0L V6 Supercharged and the 5.0L V8 Supercharged. Every part shows its brand, manufacturer part number and fitment notes.
On the 2018 Jaguar XJ, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. Most of the listed parts are Horn (13 parts), Alternator / Generator (6 parts) and Starter Motor (5 parts). The other 2 part types cover the remaining 3 parts.
The 2018 Jaguar XJ was sold with both the 3.0L V6 Supercharged and the 5.0L V8 Supercharged. All 27 parts on this page fit every engine.
The most listed brands for 2018 Jaguar XJ electrical parts are FIAMM (13 parts), HELLA (3 parts) and WAI GLOBAL (2 parts), plus 8 more brands. Quality grades include Accessory Replacement, Standard Replacement and Remanufactured.
6 parts on this 2018 Jaguar XJ page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including SKP SKLR124471 (Alternator / Generator) and FIAMM 7210223 (Horn). Click any part number to see every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular Fits: all 2018 XJ engines | SKLR124471 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WAI GLOBAL Fits: all 2018 XJ engines | 11530N | 🇺🇸 US 🇨🇦 CA | Denso150 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REMY Popular Fits: all 2018 XJ engines | 11270 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| BOSCH Fits: all 2018 XJ engines | AL7817X | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: all 2018 XJ engines | 11528 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2018 XJ engines | 015637341 | 🇺🇸 US 🇨🇦 CA | L Portfolio or R-Sport150.0 Amps Amps | View on Amazon |
This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator.
6 Alternator / Generator parts are listed for the 2018 Jaguar XJ, from SKP, WAI GLOBAL, REMY and 3 other brands. SKP SKLR124471 carries the "Popular" badge. All of them fit every engine offered in the 2018 XJ.
In the New grade, SKP and WAI GLOBAL supply 2 parts: brand-new units rather than rebuilt ones. A representative part number is SKP SKLR124471.
In the Remanufactured grade, REMY, BOSCH and TERREPOWER supply 3 parts: factory-rebuilt units with new wear components. A representative part number is REMY 11270.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Part numbers include SKP SKLR124471, WAI GLOBAL 11530N and REMY 11270, among others listed above.
Horn
Accessory Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular Fits: all 2018 XJ engines | 7210223 | 🇺🇸 US 🇨🇦 CA | Accessory HornFreeway Blaster | View on Amazon |
| FIAMM Fits: all 2018 XJ engines | 7211223 | 🇺🇸 US 🇨🇦 CA | Accessory Horn (Louder)FWY Blaster | View on Amazon |
| FIAMM Fits: all 2018 XJ engines | 72112 | 🇺🇸 US 🇨🇦 CA | Freeway BlasterAccessory Horn | View on Amazon |
| FIAMM Fits: all 2018 XJ engines | 7410024 | 🇺🇸 US 🇨🇦 CA | Accessory HornEl Grande | View on Amazon |
| FIAMM Fits: all 2018 XJ engines | 6602023 | 🇺🇸 US 🇨🇦 CA | Accessory HornRed | View on Amazon |
| FIAMM Fits: all 2018 XJ engines | 6602523 | 🇺🇸 US 🇨🇦 CA | Accessory HornChrome | View on Amazon |
| FIAMM Fits: all 2018 XJ engines | 6604523 | 🇺🇸 US 🇨🇦 CA | Ultimate Blast HornAccessory Horn | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular Fits: all 2018 XJ engines | 7201223 | 🇺🇸 US 🇨🇦 CA | OE Replacement Tone2 Terminal Connection (Cut off and reuse OE Connector) | View on Amazon |
| FIAMM Popular Fits: all 2018 XJ engines | 7200223 | 🇺🇸 US 🇨🇦 CA | OE Replacement Tone2 Terminal Blade Connection (Cut off and reuse OE Connector) | View on Amazon |
| FIAMM Fits: all 2018 XJ engines | 7421122 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM Fits: all 2018 XJ engines | 7421322 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors | View on Amazon |
| FIAMM Fits: all 2018 XJ engines | 7250622 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM Fits: all 2018 XJ engines | 7250522 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
This table covers the horns mounted in the front of the vehicle.
13 Horn parts for the 2018 Jaguar XJ come from FIAMM. The "Popular" part is FIAMM 7210223. Every part fits both the 3.0L V6 Supercharged and the 5.0L V8 Supercharged.
The Accessory Replacement section lists 7 options from FIAMM — grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. FIAMM 7210223 is listed in this group.
In the Standard Replacement grade, FIAMM supplies 6 parts: built to original-equipment specification. A representative part number is FIAMM 7201223.
Lighting Control Module (LCM)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS Fits: all 2018 XJ engines | 63117180050 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the modules that control the exterior lighting.
One part is listed for the 2018 Jaguar XJ — ÜRO PARTS 63117180050.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2018 XJ engines | 358141471 | 🇺🇸 US 🇨🇦 CA | Angled3-Pin Connector | View on Amazon |
| ÜRO PARTS Fits: all 2018 XJ engines | 1S0919275D | 🇺🇸 US 🇨🇦 CA | Fits Rear Outer | View on Amazon |
This table covers the ultrasonic park-aid sensors in the bumper. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
2 Parking Aid Sensor parts are listed for the 2018 Jaguar XJ, from HELLA and ÜRO PARTS. All of them fit every engine offered in the 2018 XJ.
This group includes HELLA 358141471 and ÜRO PARTS 1S0919275D.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Fits: all 2018 XJ engines | 10978N | 🇺🇸 US 🇨🇦 CA | Start/Stop Feature | View on Amazon |
| WAI GLOBAL Fits: all 2018 XJ engines | 10978N | 🇺🇸 US 🇨🇦 CA | Start/Stop Feature | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular Fits: all 2018 XJ engines | 18255 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| FVP Fits: all 2018 XJ engines | 18255 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2018 XJ engines | 011613211 | 🇺🇸 US 🇨🇦 CA | Pinion Rest Position [mm]: 3.50 | View on Amazon |
This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
5 Starter Motor parts are listed for the 2018 Jaguar XJ, from ULTRA-POWER, WAI GLOBAL, PURE ENERGY and 2 other brands. PURE ENERGY 18255 carries the "Popular" badge. All of them fit every engine offered in the 2018 XJ.
New: 2 parts, from ULTRA-POWER and WAI GLOBAL. A representative part number is ULTRA-POWER 10978N.
Remanufactured: 2 parts, from PURE ENERGY and FVP. A representative part number is PURE ENERGY 18255.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
This group includes PURE ENERGY 18255 and ULTRA-POWER 10978N and the remaining parts above.
Buying Electrical Parts for a 2018 Jaguar XJ
On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.
- You do not need to pick an engine: every electrical part on this page fits both the 3.0L V6 Supercharged and the 5.0L V8 Supercharged.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, clean or renew the battery terminals and grounds with any charging-system repair.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Horn and Alternator / Generator .
Frequently Asked Questions
How many electrical parts fit the 2018 Jaguar XJ?
Our catalog currently lists 27 electrical parts for the 2018 Jaguar XJ across 5 subcategories and 11 brands, covering both the 3.0L V6 Supercharged and the 5.0L V8 Supercharged. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2018 Jaguar XJ engines?
No. On this page every electrical part fits both the 3.0L V6 Supercharged and the 5.0L V8 Supercharged. You do not need to pick an engine to choose the right row — use the notes for position and trim.
What are the signs of electrical problems on a 2018 Jaguar XJ?
Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. 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, clean or renew the battery terminals and grounds with any charging-system repair.
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 2018 Jaguar XJ 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 2018 Jaguar XJ?
Every part on this page already fits both the 3.0L V6 Supercharged and the 5.0L V8 Supercharged. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2018 Jaguar XJ
Electrical Parts for Other Jaguar XJ Years
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