This page lists 6 electrical bulb & socket parts for the 2021 Lincoln Aviator, across 2 part types, covering both the 3.0L V6 ELECTRIC/GAS Turbocharged and the 3.0L V6 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
The bulb and socket system on the 2021 Lincoln Aviator covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. All 6 listed parts are Back Up / Reverse Lamp Bulb (3 parts) and Headlamp Socket (3 parts).
The 2021 Lincoln Aviator was sold with both the 3.0L V6 ELECTRIC/GAS Turbocharged and the 3.0L V6 Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
2 brands supply electrical bulb & socket parts for the 2021 Lincoln Aviator, led by WAGNER (3 parts) and MOTORCRAFT (3 parts). Quality grades include Extended Life, LED and Standard Replacement.
Each part number listed for the 2021 Lincoln Aviator opens a page with every vehicle that part fits.
Back Up / Reverse Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 3.0L V6 Turbocharged | 7440LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeSingle Contact Wedge Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 3.0L V6 Turbocharged | 7440WLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 3.0L V6 Turbocharged | 7440 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Single Contact Wedge Base21.000 Watt | 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.
3 Back Up / Reverse Lamp Bulb parts for the 2021 Lincoln Aviator come from WAGNER.
In the Extended Life grade, WAGNER 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 WAGNER 7440LL.
The LED (instant-on, long life, energy-saving) section lists 1 option from WAGNER — grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. WAGNER 7440WLED is listed in this group.
In the Standard Replacement grade, WAGNER supplies 1 part: built to original-equipment specification. A representative part number is WAGNER 7440.
Part numbers include WAGNER 7440LL, WAGNER 7440WLED and WAGNER 7440.
Headlamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 3.0L V6 Turbocharged | WPT971 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Leads: 6Color: Black | View on Amazon |
| MOTORCRAFT Fits: 3.0L V6 Turbocharged | WPT1279 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal: SilverLeads: 16 | View on Amazon |
| MOTORCRAFT Fits: 3.0L V6 Turbocharged | WPT1643 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 16 CavityLow Beam | View on Amazon |
This table covers the sockets that hold a headlamp bulb in the housing. Typical signs include a flicker over bumps, melted plastic, or a bulb that will not stay seated. Dielectric grease on the contacts slows corrosion. Do not force a bulb into a heat-damaged socket.
MOTORCRAFT supplies the 3 Headlamp Socket parts for the 2021 Lincoln Aviator.
Listed part numbers: MOTORCRAFT WPT971, MOTORCRAFT WPT1279 and MOTORCRAFT WPT1643.
Buying Electrical Bulb & Socket Parts for a 2021 Lincoln Aviator
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- Match the engine first. Every electrical bulb & socket part here is engine-specific; each row shows which engine(s) it fits.
- 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: Back Up / Reverse Lamp Bulb and Headlamp Socket .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2021 Lincoln Aviator?
Our catalog currently lists 6 electrical bulb & socket parts for the 2021 Lincoln Aviator across 2 subcategories and 2 brands, covering both the 3.0L V6 ELECTRIC/GAS Turbocharged and the 3.0L V6 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2021 Lincoln Aviator engines?
Yes. Every electrical bulb & socket part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical bulb & socket problems on a 2021 Lincoln Aviator?
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 Lincoln Aviator 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 Lincoln Aviator?
First match the engine — each row shows which engine(s) the part fits. 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 Lincoln Aviator
Electrical Bulb & Socket Parts for Other Lincoln Aviator 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.