2011 Ram 4000 Electrical Bulb & Socket Parts

Engine:

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

The 2011 Ram 4000 has 69 electrical bulb & socket parts with verified fitment on this page — 15 part types and 8 brands, covering both the 5.7L V8 and the 6.7L L6 DIESEL Turbocharged. Each part includes a manufacturer part number and application notes.

The bulb and socket system on the 2011 Ram 4000 covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. The largest groups are Headlamp Socket (10 parts), Headlamp Bulb (8 parts) and Brake Light Bulb - High Mount (6 parts). The other 12 part types cover the remaining 45 parts.

Back Up / Reverse Lamp Bulb

Brand Part Number Markets Notes Buy
PHILIPS Fits: 6.7L L6 DIESEL Turbocharged 1156LL
🇲🇽 MX
Longer Life
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
PHILIPS Fits: 6.7L L6 DIESEL Turbocharged 1156LL
🇲🇽 MX
Longer Life
View on
Amazon

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

Brand Part Number Markets Notes Buy
PHILIPS Fits: 6.7L L6 DIESEL Turbocharged 1156RLED
🇲🇽 MX
VisionLED
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.

Brake Light Bulb - High Mount

Extended Life

Brand Part Number Markets Notes Buy
HELLA Fits: 6.7L L6 DIESEL Turbocharged 921LL
🇲🇽 MX
IncandescentLong Life
Fitment notes — HELLA 921LL
IncandescentLong LifeSocket Type Bulb: W2.1x9.5dLong Life
View on
Amazon
HELLA Fits: 6.7L L6 DIESEL Turbocharged DE3175LL
🇲🇽 MX
IncandescentLong Life
Fitment notes — HELLA DE3175LL
IncandescentLong LifeSocket Type Bulb: SV8.5-8Long Life
View on
Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 921LL
🇲🇽 MX
Long LifeWedge Base
Fitment notes — WAGNER 921LL
Long LifeWedge Base17.920 WattBulb Type: T-5 Bulb 5/8 (16mm) Diameter
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 6.7L L6 DIESEL Turbocharged 921
🇲🇽 MX
IncandescentSocket Type Bulb: W2.1x9.5d
Fitment notes — HELLA 921
IncandescentSocket Type Bulb: W2.1x9.5d
W16W
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Amazon
WAGNER Popular Fits: 6.7L L6 DIESEL Turbocharged 921
🇲🇽 MX
Bulb Type: T-5 Bulb 5/8 (16mm) DiameterVoltage: 12.800 Volts (Direct Current)
Fitment notes — WAGNER 921
Bulb Type: T-5 Bulb 5/8 (16mm) DiameterVoltage: 12.800 Volts (Direct Current)Wedge Base17.920 Watt
View on
Amazon
HELLA Fits: 6.7L L6 DIESEL Turbocharged 921NA
🇲🇽 MX
IncandescentNatural Amber
View on
Amazon

This table covers the bulbs in the high-mount stop lamp. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes.

Dome Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
PHILIPS Fits: 6.7L L6 DIESEL Turbocharged 578LL
🇲🇽 MX
Longer Life
View on
Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 578LL
🇲🇽 MX
Long LifeDouble End Caps Base
Fitment notes — WAGNER 578LL
Long LifeDouble End Caps Base9.980 Watt
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 578
🇲🇽 MX
Double End Caps Base9.980 Watt
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.

Engine Compartment Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 561LL
🇲🇽 MX
Long LifeRigid Loop Base
Fitment notes — WAGNER 561LL
Long LifeRigid Loop Base12.420 Watt
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
DORMAN Fits: 6.7L L6 DIESEL Turbocharged 68303
🇲🇽 MX
Upgrade
View on
Amazon
PHILIPS Fits: 6.7L L6 DIESEL Turbocharged 561
🇲🇽 MX
View on
Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 561
🇲🇽 MX
Rigid Loop Base12.420 Watt
Fitment notes — WAGNER 561
Rigid Loop Base12.420 WattBulb Type: T-3 Bulb 3/8 (9.5mm) Diameter
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This table covers the replacement bulbs for the Engine Compartment 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.

Fog / Driving Lamp Bulb

Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
PHILIPS Fits: 6.7L L6 DIESEL Turbocharged 9145CVP
🇲🇽 MX
Crystal Vision PlatinumUp to 60% More Light
Fitment notes — PHILIPS 9145CVP
Crystal Vision PlatinumUp to 60% More LightBright White Xenon Look
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LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
PHILIPS Fits: 6.7L L6 DIESEL Turbocharged 9145USLED
🇲🇽 MX
Ultinon Sport LED
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
PHILIPS Fits: 6.7L L6 DIESEL Turbocharged 9145H
🇲🇽 MX
View on
Amazon

This table covers the bulbs in the fog and driving 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.

Glove Box Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
HELLA Fits: 6.7L L6 DIESEL Turbocharged 194LL
🇲🇽 MX
IncandescentLong Life
Fitment notes — HELLA 194LL
IncandescentLong LifeSocket Type Bulb: W2.1x9.5dLong Life
View on
Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 194LL
🇲🇽 MX
Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) Diameter
Fitment notes — WAGNER 194LL
Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) DiameterWedge Base3.780 Watt
View on
Amazon

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

Brand Part Number Markets Notes Buy
WAGNER Fits: 6.7L L6 DIESEL Turbocharged T10LED
🇲🇽 MX
Tru View PLUS LED
View on
Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 194LEDW
🇲🇽 MX
LEDGlass:Clear (T3-1/4), Number of Filaments:1, Watts:3.78 (0.16 cp), Base:Wedge (W2.1x9.5d)
Fitment notes — WAGNER 194LEDW
LEDGlass:Clear (T3-1/4), Number of Filaments:1, Watts:3.78 (0.16 cp), Base:Wedge (W2.1x9.5d)
LED BULB
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 6.7L L6 DIESEL Turbocharged 194
🇲🇽 MX
Brightness: 2.0 CPIncandescent
Fitment notes — HELLA 194
Brightness: 2.0 CPIncandescentSocket Type Bulb: W2.1x9.5d
View on
Amazon
WAGNER Popular Fits: 6.7L L6 DIESEL Turbocharged 194
🇲🇽 MX
Wedge Base3.780 Watt
View on
Amazon

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.

Headlamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 1255H11LL
🇲🇽 MX
Long Life
Fitment notes — WAGNER 1255H11LL
Long Life
Low BeamHalogen
View on
Amazon

Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 9005TVX
🇲🇽 MX
HID Look
Fitment notes — WAGNER 9005TVX
HID Look
High BeamHalogen
View on
Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 9005BLX
🇲🇽 MX
Long Life80% More Light
Fitment notes — WAGNER 9005BLX
Long Life80% More Light
High BeamHalogen
View on
Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged H11BLX
🇲🇽 MX
BritelitePGJ19-2 Base
Fitment notes — WAGNER H11BLX
BritelitePGJ19-2 Base55.000 Watt80% More Light
Low BeamHalogen
View on
Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged H11TVX
🇲🇽 MX
Truview Plus1.733 Base
Fitment notes — WAGNER H11TVX
Truview Plus1.733 Base4.580 WattHID Look
Low BeamHalogen
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
WAGNER Popular Fits: 6.7L L6 DIESEL Turbocharged 9005
🇲🇽 MX
Voltage: 12.800 Volts (Direct Current)
Fitment notes — WAGNER 9005
Voltage: 12.800 Volts (Direct Current)
High BeamHalogen
View on
Amazon
WAGNER Popular Fits: 6.7L L6 DIESEL Turbocharged 1255H11
🇲🇽 MX
Bulb Color: Clear
Fitment notes — WAGNER 1255H11
Bulb Color: Clear
Low BeamHalogen
View on
Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 9005L
🇲🇽 MX
Long Life
Fitment notes — WAGNER 9005L
Long Life
High BeamHalogen
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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.

Headlamp Socket

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: 6.7L L6 DIESEL Turbocharged HP3835
🇲🇽 MX
HandypackConnector Shape: Oval
Fitment notes — STANDARD MOTOR PRODUCTS HP3835
HandypackConnector Shape: OvalWiring Harness Length (mm): 311.15
with 4 HeadlightsLow Beam
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STANDARD MOTOR PRODUCTS Popular Fits: 6.7L L6 DIESEL Turbocharged S553
🇲🇽 MX
Connector Shape: OvalContact Terminal Material: Metal
Fitment notes — STANDARD MOTOR PRODUCTS S553
Connector Shape: OvalContact Terminal Material: MetalNumber of Splice Connectors Included: 0Wiring Harness Length (In): 12.25Wiring Harness Length (mm): 311.15
with 4 HeadlightsLow Beam
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ACDELCO Fits: 6.7L L6 DIESEL Turbocharged LS255
🇺🇸 US 🇨🇦 CA
Gold
Fitment notes — ACDELCO LS255
Gold
with 4 HeadlightsHigh Beam
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ACDELCO Fits: 6.7L L6 DIESEL Turbocharged PT2298
🇺🇸 US 🇨🇦 CA
GoldHeight (In): 1.5 in
Fitment notes — ACDELCO PT2298
GoldHeight (In): 1.5 inShape: Rectangle
with 4 HeadlightsLow Beam
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STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged HP3970
🇲🇽 MX
Handypack
Fitment notes — STANDARD MOTOR PRODUCTS HP3970
Handypack
with 4 HeadlightsHigh Beam
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STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged S524
🇲🇽 MX
Weather Resistant: YES
Fitment notes — STANDARD MOTOR PRODUCTS S524
Weather Resistant: YES
with 4 HeadlightsHigh Beam
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STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged HP4740
🇲🇽 MX
Handy PackBlack
Fitment notes — STANDARD MOTOR PRODUCTS HP4740
Handy PackBlack
with 2 Headlights
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STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged S899
🇲🇽 MX
Contact Terminal Material: Metalblack
Fitment notes — STANDARD MOTOR PRODUCTS S899
Contact Terminal Material: Metalblack
with 2 Headlights
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UNITED MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged CON186
🇲🇽 MX
with 2 Headlights
View on
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WALKER PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged 2701125
🇲🇽 MX
with 4 HeadlightsHigh 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.

LED Bulb Adapter

Brand Part Number Markets Notes Buy
WAGNER Fits: 6.7L L6 DIESEL Turbocharged CB900590069012
🇲🇽 MX
LEDFor 9005 / 9006 / 9012 Bulb
Fitment notes — WAGNER CB900590069012
LEDFor 9005 / 9006 / 9012 Bulb
with LED Bulb
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Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged CBH8H11H16
🇲🇽 MX
For H8 / H11 / H16 Bulb
Fitment notes — WAGNER CBH8H11H16
For H8 / H11 / H16 Bulb
Halogenwith LED Bulb
View on
Amazon

This table covers the LED Bulb adapters.

Parking Lamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
HELLA Fits: 6.7L L6 DIESEL Turbocharged 3157LL
🇲🇽 MX
Incandescent27/8W
Fitment notes — HELLA 3157LL
Incandescent27/8WSocket Type Bulb: W2.5x16qLong Life
View on
Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 3157LL
🇲🇽 MX
Long Life8.260 Watt
Fitment notes — WAGNER 3157LL
Long Life8.260 WattSecondary Wattage: 26.880 Watt
View on
Amazon

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

Brand Part Number Markets Notes Buy
PHILIPS Fits: 6.7L L6 DIESEL Turbocharged 3157WLED
🇲🇽 MX
Ultinon LEDWhite
View on
Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 3157LEDW
🇲🇽 MX
LED
Fitment notes — WAGNER 3157LEDW
LED
LED BULB
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 6.7L L6 DIESEL Turbocharged 3157
🇲🇽 MX
Incandescent27/7W
Fitment notes — HELLA 3157
Incandescent27/7WSocket Type Bulb: W2.5x16q or Socket Type Bulb: WX2.5x16q
P27/7W
View on
Amazon
WAGNER Popular Fits: 6.7L L6 DIESEL Turbocharged 3157
🇲🇽 MX
Double Contact Wedge Base26.880 Watt
Fitment notes — WAGNER 3157
Double Contact Wedge Base26.880 WattSecondary Wattage: 8.260 Watt
View on
Amazon

This table covers the bulbs in the parking 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.

Roof Marker & Identification Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
PHILIPS Fits: 6.7L L6 DIESEL Turbocharged 194NALL
🇲🇽 MX
Longer LifeNatural Amber
View on
Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 194NALL
🇲🇽 MX
Long LifeNatural Amber
Fitment notes — WAGNER 194NALL
Long LifeNatural AmberWedge Base3.780 Watt
View on
Amazon

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

Brand Part Number Markets Notes Buy
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 194NALED
🇲🇽 MX
LEDNatural Amber
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
WAGNER Popular Fits: 6.7L L6 DIESEL Turbocharged 194NA
🇲🇽 MX
Natural AmberWedge Base
Fitment notes — WAGNER 194NA
Natural AmberWedge Base3.780 Watt
View on
Amazon
HELLA Fits: 6.7L L6 DIESEL Turbocharged 194NA
🇲🇽 MX
IncandescentBrightness: 1.5 CP
Fitment notes — HELLA 194NA
IncandescentBrightness: 1.5 CPNatural AmberSocket Type Bulb: W2.1x9.5d
View on
Amazon

This table covers the replacement bulbs for the Roof Marker & Identification 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.

Side Marker Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
HELLA Fits: 6.7L L6 DIESEL Turbocharged 3157LL
🇲🇽 MX
Incandescent27/8W
Fitment notes — HELLA 3157LL
Incandescent27/8WSocket Type Bulb: W2.5x16qLong LifeFront
View on
Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 3157LL
🇲🇽 MX
Long Life8.260 Watt
Fitment notes — WAGNER 3157LL
Long Life8.260 WattSecondary Wattage: 26.880 WattFront
View on
Amazon

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

Brand Part Number Markets Notes Buy
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 3157LEDW
🇲🇽 MX
LED
Fitment notes — WAGNER 3157LEDW
LED
Front
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
WAGNER Popular Fits: 6.7L L6 DIESEL Turbocharged 3157
🇲🇽 MX
Double Contact Wedge Base26.880 Watt
Fitment notes — WAGNER 3157
Double Contact Wedge Base26.880 WattSecondary Wattage: 8.260 WattFront
View on
Amazon
HELLA Fits: 6.7L L6 DIESEL Turbocharged 3157
🇲🇽 MX
Incandescent27/7W
Fitment notes — HELLA 3157
Incandescent27/7WSocket Type Bulb: W2.5x16q or Socket Type Bulb: WX2.5x16q
FrontP27/7W
View on
Amazon

This table covers the bulbs in the side-marker 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

Extended Life

Brand Part Number Markets Notes Buy
PHILIPS Fits: 6.7L L6 DIESEL Turbocharged 1156LL
🇲🇽 MX
Longer Life
View on
Amazon

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

Brand Part Number Markets Notes Buy
PHILIPS Fits: 6.7L L6 DIESEL Turbocharged 1156RLED
🇲🇽 MX
VisionLED
View on
Amazon

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.

Turn Signal Lamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
HELLA Fits: 6.7L L6 DIESEL Turbocharged 3157LL
🇲🇽 MX
Incandescent27/8W
Fitment notes — HELLA 3157LL
Incandescent27/8WSocket Type Bulb: W2.5x16qLong LifeFront
View on
Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 3157LL
🇲🇽 MX
Long Life8.260 Watt
Fitment notes — WAGNER 3157LL
Long Life8.260 WattSecondary Wattage: 26.880 WattFront
View on
Amazon

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

Brand Part Number Markets Notes Buy
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 3157WLED
🇲🇽 MX
LED
Fitment notes — WAGNER 3157WLED
LED
Front
View on
Amazon
WAGNER Fits: 6.7L L6 DIESEL Turbocharged 3157LEDW
🇲🇽 MX
LED
Fitment notes — WAGNER 3157LEDW
LED
Front
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 6.7L L6 DIESEL Turbocharged 3157
🇲🇽 MX
Incandescent27/7W
Fitment notes — HELLA 3157
Incandescent27/7WSocket Type Bulb: W2.5x16q or Socket Type Bulb: WX2.5x16q
FrontP27/7W
View on
Amazon
WAGNER Popular Fits: 6.7L L6 DIESEL Turbocharged 3157
🇲🇽 MX
Double Contact Wedge Base26.880 Watt
Fitment notes — WAGNER 3157
Double Contact Wedge Base26.880 WattSecondary Wattage: 8.260 WattFront
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 2011 Ram 4000

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: Headlamp Socket and Headlamp Bulb .

Frequently Asked Questions

How many electrical bulb & socket parts fit the 2011 Ram 4000?

Our catalog currently lists 69 electrical bulb & socket parts for the 2011 Ram 4000 across 15 subcategories and 8 brands, covering both the 5.7L V8 and the 6.7L L6 DIESEL Turbocharged. Each part is matched to the engine(s) it fits.

Do electrical bulb & socket parts differ between 2011 Ram 4000 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 2011 Ram 4000?

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 2011 Ram 4000 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 2011 Ram 4000?

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 2011 Ram 4000

Electrical Bulb & Socket Parts for Other Ram 4000 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.