2018 Acura MDX Electrical Bulb & Socket Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

53 Electrical bulb & socket parts are listed for the 2018 Acura MDX, in 10 part types, covering both the 3.0L V6 ELECTRIC/GAS and the 3.5L V6. Each one has a brand, a manufacturer part number and notes that say where it fits.

On the 2018 Acura MDX, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. Most of the listed parts are Brake Light Bulb (9 parts), Trunk / Cargo Area Light Bulb (9 parts) and Back Up / Reverse Lamp Bulb (7 parts). The other 7 part types cover the remaining 28 parts.

Back Up / Reverse Lamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 3.0L V6 ELECTRIC/GAS 7440LL
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: W3X16D
Fitment notes — HELLA 7440LL
IncandescentSocket Type Bulb: W3X16DLong Life
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SYLVANIA Popular Fits: 3.0L V6 ELECTRIC/GAS 7440LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: W3X16D
Fitment notes — SYLVANIA 7440LL
Long LifeBase Type: W3X16DWattage: 25.00 W
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WAGNER Fits: 3.0L V6 ELECTRIC/GAS 7440LL
🇺🇸 US 🇨🇦 CA
Long LifeSingle Contact Wedge Base
Fitment notes — WAGNER 7440LL
Long LifeSingle Contact Wedge Base21.000 Watt
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Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS 7440ST
🇺🇸 US 🇨🇦 CA
Cool WhiteSilver Star
Fitment notes — SYLVANIA 7440ST
Cool WhiteSilver StarColor Temperature: 3200 KVBase Type: W3X16DWattage: 21.00 W
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Amazon

LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
WAGNER Fits: 3.0L V6 ELECTRIC/GAS 7440WLED
🇺🇸 US 🇨🇦 CA
LEDWhite
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Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS 7440
🇺🇸 US 🇨🇦 CA
Base Type: W3X16DWattage: 25.00 W
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Amazon
WAGNER Fits: 3.0L V6 ELECTRIC/GAS 7440
🇺🇸 US 🇨🇦 CA
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.

Brake Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA Popular Fits: 3.0L V6 ELECTRIC/GAS 7440LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: W3X16D
Fitment notes — SYLVANIA 7440LL
Long LifeBase Type: W3X16DWattage: 25.00 W
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WAGNER Fits: 3.0L V6 ELECTRIC/GAS 7440LL
🇺🇸 US 🇨🇦 CA
Long LifeSingle Contact Wedge Base
Fitment notes — WAGNER 7440LL
Long LifeSingle Contact Wedge Base21.000 Watt
View on
Amazon

Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS 7440ST
🇺🇸 US 🇨🇦 CA
Cool WhiteSilver Star
Fitment notes — SYLVANIA 7440ST
Cool WhiteSilver StarColor Temperature: 3200 KVBase Type: W3X16DWattage: 21.00 W
View on
Amazon

LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
PHILIPS Fits: 3.0L V6 ELECTRIC/GAS 7440RLED
🇺🇸 US 🇨🇦 CA
Ultinon LEDRed
Fitment notes — PHILIPS 7440RLED
Ultinon LEDRed
Outer
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SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS 7440RSL
🇺🇸 US 🇨🇦 CA
LED
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SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS 7440SL
🇺🇸 US 🇨🇦 CA
LED
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Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 3.0L V6 ELECTRIC/GAS 7440
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: W3X16D
Fitment notes — HELLA 7440
IncandescentSocket Type Bulb: W3X16D
W21W
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SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS 7440
🇺🇸 US 🇨🇦 CA
Base Type: W3X16DWattage: 25.00 W
View on
Amazon
WAGNER Fits: 3.0L V6 ELECTRIC/GAS 7440
🇺🇸 US 🇨🇦 CA
Single Contact Wedge Base21.000 Watt
View on
Amazon

This table covers the bulbs in the stop 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.

Dome Light Bulb

Brand Part Number Markets Notes Buy
PHILIPS Fits: 3.0L V6 ELECTRIC/GAS DE3022LL
🇺🇸 US 🇨🇦 CA
Longer Life
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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.

Door Panel Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS 158LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: W2.1x9.2d
Fitment notes — SYLVANIA 158LL
Long LifeBase Type: W2.1x9.2dWattage: 3.40 W
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WAGNER Fits: 3.0L V6 ELECTRIC/GAS 158LL
🇺🇸 US 🇨🇦 CA
Long Life
View on
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Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 3.0L V6 ELECTRIC/GAS 158
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: W2.1x9.5d
Fitment notes — HELLA 158
IncandescentSocket Type Bulb: W2.1x9.5d
W3W
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SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS 158
🇺🇸 US 🇨🇦 CA
View on
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WAGNER Fits: 3.0L V6 ELECTRIC/GAS 158
🇺🇸 US 🇨🇦 CA
Wedge Base3.360 Watt
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This table covers the replacement bulbs for the Door Panel Light. 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.

Glove Box Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
WAGNER Popular Fits: 3.0L V6 ELECTRIC/GAS 74LL
🇺🇸 US 🇨🇦 CA
Long LifeWedge Base
Fitment notes — WAGNER 74LL
Long LifeWedge Base1.400 Watt
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SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS 2721LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: Wedge
Fitment notes — SYLVANIA 2721LL
Long LifeBase Type: WedgeWattage: 1.20 W
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Standard Replacement

Brand Part Number Markets Notes Buy
WAGNER Popular Fits: 3.0L V6 ELECTRIC/GAS 74
🇺🇸 US 🇨🇦 CA
Bulb Type: T-1-3/4 Bulb 7/32 (5.5mm) DiameterWedge Base
Fitment notes — WAGNER 74
Bulb Type: T-1-3/4 Bulb 7/32 (5.5mm) DiameterWedge Base1.400 Watt
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GM GENUINE Fits: 3.0L V6 ELECTRIC/GAS L74
🇺🇸 US 🇨🇦 CA
Terminal Type: SpadeWattage: 1 W
Fitment notes — GM GENUINE L74
Terminal Type: SpadeWattage: 1 WWidth: 2 inWiring Harness Included: No
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HELLA Fits: 3.0L V6 ELECTRIC/GAS 74
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: W2.1x9.5d
Fitment notes — HELLA 74
IncandescentSocket Type Bulb: W2.1x9.5d
45017W
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Amazon
PHILIPS Fits: 3.0L V6 ELECTRIC/GAS 74
🇺🇸 US 🇨🇦 CA
View on
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SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS 2721
🇺🇸 US 🇨🇦 CA
View on
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This table covers the bulbs in the glove-box 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.

Parking Brake Warning Light Bulb

Brand Part Number Markets Notes Buy
PEAK Fits: 3.0L V6 ELECTRIC/GAS 7440
🇺🇸 US 🇨🇦 CA
Bulb Base Type: W3X16D
Fitment notes — PEAK 7440
Bulb Base Type: W3X16D
Stop LightBulbProfessional Box
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This table covers the replacement bulbs for the Parking Brake Warning Light. 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.

Step / Courtesy Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
PHILIPS Popular Fits: 3.0L V6 ELECTRIC/GAS DE3022LL
🇺🇸 US 🇨🇦 CA
Longer Life
Fitment notes — PHILIPS DE3022LL
Longer Life
Fits:
with Bulb DE3022
or:
Stepwell
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SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS DE3022LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: Miniature Wedge
Fitment notes — SYLVANIA DE3022LL
Long LifeBase Type: Miniature WedgeWattage: 5.00 W
Stepwell
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WAGNER Fits: 3.0L V6 ELECTRIC/GAS 13050LL
🇺🇸 US 🇨🇦 CA
Long LifeSV7 Base
Fitment notes — WAGNER 13050LL
Long LifeSV7 Base4.940 Watt
LightStepwell
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LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS DE3022SL
🇺🇸 US 🇨🇦 CA
LED
Fitment notes — SYLVANIA DE3022SL
LED
Stepwell
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Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
WAGNER Popular Fits: 3.0L V6 ELECTRIC/GAS 13050
🇺🇸 US 🇨🇦 CA
SV7 Base4.940 Watt
Fitment notes — WAGNER 13050
SV7 Base4.940 Watt
Stepwell
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Amazon
SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS DE3022
🇺🇸 US 🇨🇦 CA
Stepwell
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This table covers the bulbs in the step and courtesy 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.

Tail Lamp Bulb

Brand Part Number Markets Notes Buy
HELLA Fits: 3.0L V6 ELECTRIC/GAS 7440
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: W3X16D
Fitment notes — HELLA 7440
IncandescentSocket Type Bulb: W3X16D
W21W
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This table covers the bulbs in the tail 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.

Trunk / Cargo Area Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA Popular Fits: 3.0L V6 ELECTRIC/GAS 168LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: W2.1x9.2d
Fitment notes — SYLVANIA 168LL
Long LifeBase Type: W2.1x9.2dWattage: 4.90 W
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WAGNER Fits: 3.0L V6 ELECTRIC/GAS 168LL
🇺🇸 US 🇨🇦 CA
Long LifeWedge Base
Fitment notes — WAGNER 168LL
Long LifeWedge Base4.900 Watt
View on
Amazon

Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS 168ST
🇺🇸 US 🇨🇦 CA
Cool WhiteSilver Star
Fitment notes — SYLVANIA 168ST
Cool WhiteSilver StarColor Temperature: 3200 KVBase Type: W2.1x9.2dWattage: 4.90 W
View on
Amazon

LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
PHILIPS Fits: 3.0L V6 ELECTRIC/GAS 168WLED
🇺🇸 US 🇨🇦 CA
Ultinon LEDWhite
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Amazon
SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS 168SL
🇺🇸 US 🇨🇦 CA
LEDCool White
Fitment notes — SYLVANIA 168SL
LEDCool WhiteBase Type: W2.1x9.5dWattage: 0.50 W
View on
Amazon
WAGNER Fits: 3.0L V6 ELECTRIC/GAS T10LED
🇺🇸 US 🇨🇦 CA
Tru View PLUS LED
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Standard Replacement

Brand Part Number Markets Notes Buy
WAGNER Popular Fits: 3.0L V6 ELECTRIC/GAS 168
🇺🇸 US 🇨🇦 CA
Wedge Base4.900 Watt
View on
Amazon
GM GENUINE Fits: 3.0L V6 ELECTRIC/GAS L168
🇺🇸 US 🇨🇦 CA
Bulb Technology: IncandescentHeight: 2 in
Fitment notes — GM GENUINE L168
Bulb Technology: IncandescentHeight: 2 inTerminal Type: SpadeWattage: 5 WWidth: 2 in
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SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS 168
🇺🇸 US 🇨🇦 CA
Base Type: W2.1x9.2dWattage: 4.90 W
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This table covers the bulbs in the trunk or cargo-area 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.

Turn Signal Lamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA Popular Fits: 3.0L V6 ELECTRIC/GAS 7440LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: W3X16D
Fitment notes — SYLVANIA 7440LL
Long LifeBase Type: W3X16DWattage: 25.00 WRear
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WAGNER Fits: 3.0L V6 ELECTRIC/GAS 7440LL
🇺🇸 US 🇨🇦 CA
Long LifeSingle Contact Wedge Base
Fitment notes — WAGNER 7440LL
Long LifeSingle Contact Wedge Base21.000 WattRear
View on
Amazon

Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS 7440ST
🇺🇸 US 🇨🇦 CA
Cool WhiteSilver Star
Fitment notes — SYLVANIA 7440ST
Cool WhiteSilver StarColor Temperature: 3200 KVBase Type: W3X16DWattage: 21.00 WRear
View on
Amazon

LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
WAGNER Fits: 3.0L V6 ELECTRIC/GAS 7440WLED
🇺🇸 US 🇨🇦 CA
LEDWhite
Fitment notes — WAGNER 7440WLED
LEDWhiteRear
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 3.0L V6 ELECTRIC/GAS 7440
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: W3X16D
Fitment notes — HELLA 7440
IncandescentSocket Type Bulb: W3X16D
RearW21W
View on
Amazon
SYLVANIA Fits: 3.0L V6 ELECTRIC/GAS 7440
🇺🇸 US 🇨🇦 CA
Base Type: W3X16DWattage: 25.00 W
Fitment notes — SYLVANIA 7440
Base Type: W3X16DWattage: 25.00 WRear
View on
Amazon
WAGNER Fits: 3.0L V6 ELECTRIC/GAS 7440
🇺🇸 US 🇨🇦 CA
Single Contact Wedge Base21.000 Watt
Fitment notes — WAGNER 7440
Single Contact Wedge Base21.000 WattRear
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.

Buying Electrical Bulb & Socket Parts for a 2018 Acura MDX

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: Brake Light Bulb and Trunk / Cargo Area Light Bulb .

Frequently Asked Questions

How many electrical bulb & socket parts fit the 2018 Acura MDX?

Our catalog currently lists 53 electrical bulb & socket parts for the 2018 Acura MDX across 10 subcategories and 6 brands, covering both the 3.0L V6 ELECTRIC/GAS and the 3.5L V6. Each part is matched to the engine(s) it fits.

Do electrical bulb & socket parts differ between 2018 Acura MDX 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 2018 Acura MDX?

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 2018 Acura MDX 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 Acura MDX?

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 2018 Acura MDX

Electrical Bulb & Socket Parts for Other Acura MDX 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.