13 Electrical bulb & socket parts are listed for the 2012 Isuzu NPR, in 8 part types, covering all 3 engine options (3.0L L4 DIESEL Turbocharged, 5.2L L4 DIESEL Turbocharged and 6.0L V8). Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2012 Isuzu NPR, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. 8 parts of the 13 listed are Headlamp Socket (4 parts), Back Up / Reverse Lamp Bulb (2 parts) and License Plate Lamp Bulb (2 parts). The other 5 part types cover the remaining 5 parts.
The 2012 Isuzu NPR was sold with 3 engines. All 13 parts on this page fit every engine.
The most listed brands for 2012 Isuzu NPR electrical bulb & socket parts are PHILIPS (6 parts), PEAK (3 parts) and STANDARD MOTOR PRODUCTS (2 parts), plus 2 more brands. Quality grades include Extended Life and Standard Replacement.
Each part number listed for the 2012 Isuzu NPR opens a page with every vehicle that part fits.
Back Up / Reverse Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PEAK Fits: all 2012 NPR engines | 1156 | 🇺🇸 US 🇨🇦 CA | Backup LightBulb | View on Amazon |
| PHILIPS Fits: all 2012 NPR engines | 1156LL | 🇺🇸 US 🇨🇦 CA | 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.
2 Back Up / Reverse Lamp Bulb parts are listed for the 2012 Isuzu NPR, from PEAK and PHILIPS. All of them fit every engine offered in the 2012 NPR.
This group includes PEAK 1156 and PHILIPS 1156LL.
Headlamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PEAK Fits: all 2012 NPR engines | 9003 | 🇺🇸 US 🇨🇦 CA | Bulb Base Type: Axial Prefocus P43T38 | 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.
This group shows a single part: PEAK 9003.
Headlamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 2012 NPR engines | PT2475 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2012 NPR engines | HP4505 | 🇺🇸 US 🇨🇦 CA | Handypack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2012 NPR engines | S844 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Trapezoid | View on Amazon |
| WELLS Fits: all 2012 NPR engines | 1P1428 | 🇺🇸 US 🇨🇦 CA | Headlamp SocketUniversal 3 Terminal Flasher/Headlamp Socket | 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.
4 Headlamp Socket parts for the 2012 Isuzu NPR come from 3 brands — STANDARD MOTOR PRODUCTS, ACDELCO and WELLS. Every part fits all 3 engine options (3.0L L4 DIESEL Turbocharged, 5.2L L4 DIESEL Turbocharged and 6.0L V8).
Listed part numbers: ACDELCO PT2475, STANDARD MOTOR PRODUCTS HP4505 and STANDARD MOTOR PRODUCTS S844, plus the other parts above.
Instrument Panel Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2012 NPR engines | 74 | 🇺🇸 US 🇨🇦 CA | Tilt Cabwith Bulb 74 | View on Amazon |
This table covers the replacement bulbs for the Instrument 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.
One part is listed for the 2012 Isuzu NPR — PHILIPS 74.
License Plate Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2012 NPR engines | 89LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2012 NPR engines | 89 | 🇺🇸 US 🇨🇦 CA | Tilt Cab | View on Amazon |
This table covers the bulbs that light the license plate. 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.
PHILIPS supplies both parts for the 2012 Isuzu NPR. All of them fit every engine offered in the 2012 NPR.
The Extended Life section lists 1 option from PHILIPS — grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. PHILIPS 89LL is listed in this group.
The Standard Replacement section lists 1 option from PHILIPS — built to original-equipment specification. PHILIPS 89 is listed in this group.
Listed part numbers: PHILIPS 89LL and PHILIPS 89.
Parking Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2012 NPR engines | 1157WLED | 🇺🇸 US 🇨🇦 CA | Ultinon LEDWhite | 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.
This group shows a single part: PHILIPS 1157WLED.
Side Marker Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PEAK Fits: all 2012 NPR engines | 168 | 🇺🇸 US 🇨🇦 CA | Average Rated Life: 1500.0 HRWattage: 4.9 W | 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.
One part is listed for the 2012 Isuzu NPR — PEAK 168.
Turn Signal Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2012 NPR engines | 1156LL | 🇺🇸 US 🇨🇦 CA | Longer Life | 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 2012 Isuzu NPR — PHILIPS 1156LL.
Buying Electrical Bulb & Socket Parts for a 2012 Isuzu NPR
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- You do not need to pick an engine: every electrical bulb & socket part on this page fits all 3 engine options (3.0L L4 DIESEL Turbocharged, 5.2L L4 DIESEL Turbocharged and 6.0L V8).
- 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 Back Up / Reverse Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2012 Isuzu NPR?
Our catalog currently lists 13 electrical bulb & socket parts for the 2012 Isuzu NPR across 8 subcategories and 5 brands, covering all 3 engine options (3.0L L4 DIESEL Turbocharged, 5.2L L4 DIESEL Turbocharged and 6.0L V8). Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2012 Isuzu NPR engines?
No. On this page every electrical bulb & socket part fits all 3 engine options (3.0L L4 DIESEL Turbocharged, 5.2L L4 DIESEL Turbocharged and 6.0L V8). 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 bulb & socket problems on a 2012 Isuzu NPR?
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 2012 Isuzu NPR 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 2012 Isuzu NPR?
Every part on this page already fits all 3 engine options (3.0L L4 DIESEL Turbocharged, 5.2L L4 DIESEL Turbocharged and 6.0L V8). 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 2012 Isuzu NPR
Electrical Bulb & Socket Parts for Other Isuzu NPR Years
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