21 Electrical bulb & socket parts are listed for the 2016 International Prostar, in 7 part types, covering both the 12.4L L6 DIESEL Turbocharged and the 14.9L L6 DIESEL Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2016 International Prostar, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. 14 parts of the 21 listed are Headlamp Bulb (7 parts), Step / Courtesy Light Bulb (4 parts) and Side Marker Light Bulb (3 parts). The other 4 part types cover the remaining 7 parts.
The 2016 International Prostar was sold with both the 12.4L L6 DIESEL Turbocharged and the 14.9L L6 DIESEL Turbocharged. All 21 parts on this page fit every engine.
5 brands supply electrical bulb & socket parts for the 2016 International Prostar, led by HELLA (11 parts), PEAK (4 parts) and PHILIPS (3 parts), plus 2 more brands. Quality grades include Extended Life and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2016 International Prostar. 2 parts have it, including HELLA 9005 (Headlamp Bulb) and HELLA 9006 (Headlamp Bulb). Each part number opens a page with every vehicle that part fits.
Dome Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2016 Prostar engines | 2112 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
This group shows a single part: PHILIPS 2112.
Headlamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2016 Prostar engines | 9005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: P20D | View on Amazon |
| HELLA Popular Fits: all 2016 Prostar engines | 9006 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: P22D or Socket Type Bulb: PG13 | View on Amazon |
| GM GENUINE Fits: all 2016 Prostar engines | 9006 | 🇺🇸 US 🇨🇦 CA | 2 Prong Connector | View on Amazon |
| PEAK Fits: all 2016 Prostar engines | 9005 | 🇺🇸 US 🇨🇦 CA | High BeamProfessional Box | View on Amazon |
| PEAK Fits: all 2016 Prostar engines | 9006 | 🇺🇸 US 🇨🇦 CA | Bulb Base Type: Right Angle Prefocus P22D | View on Amazon |
| SYLVANIA Fits: all 2016 Prostar engines | 9005SZ | 🇺🇸 US 🇨🇦 CA | Silver Star zXe | View on Amazon |
| SYLVANIA Fits: all 2016 Prostar engines | 9006SZ | 🇺🇸 US 🇨🇦 CA | Silver Star zXe | 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.
7 Headlamp Bulb parts are listed for the 2016 International Prostar, from HELLA, PEAK, SYLVANIA and 1 other brand. HELLA 9005 carries the "Popular" badge. All of them fit every engine offered in the 2016 Prostar.
Part numbers include HELLA 9005 and HELLA 9006, among others listed above.
Map / Reading Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2016 Prostar engines | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| PEAK Fits: all 2016 Prostar engines | 2825 | 🇺🇸 US 🇨🇦 CA | Average Rated Life: 750.0 HR | View on Amazon |
This table covers the bulbs in the map / reading 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 Map / Reading Light Bulb parts for the 2016 International Prostar come from 2 brands — HELLA and PEAK. Every part fits both the 12.4L L6 DIESEL Turbocharged and the 14.9L L6 DIESEL Turbocharged.
This group includes HELLA 2825 and the remaining parts above.
Side Marker Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2016 Prostar engines | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2016 Prostar engines | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PEAK Fits: all 2016 Prostar 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.
3 Side Marker Light Bulb parts for the 2016 International Prostar come from 2 brands — HELLA and PEAK. Every part fits both the 12.4L L6 DIESEL Turbocharged and the 14.9L L6 DIESEL Turbocharged.
In the Extended Life grade, HELLA 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 HELLA 168LL.
In the Standard Replacement grade, HELLA supplies 1 part: built to original-equipment specification. A representative part number is HELLA 168.
1 further part sits outside the graded sections, with the same engine-level match.
Part numbers include HELLA 168LL and HELLA 168, among others listed above.
Step / Courtesy Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2016 Prostar engines | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| HELLA Fits: all 2016 Prostar engines | DE3175LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2016 Prostar engines | 921 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Fits: all 2016 Prostar engines | 921NA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentNatural Amber | View on Amazon |
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.
4 Step / Courtesy Light Bulb parts for the 2016 International Prostar come from HELLA. Every part fits both the 12.4L L6 DIESEL Turbocharged and the 14.9L L6 DIESEL Turbocharged.
Extended Life: 2 parts, from HELLA. A representative part number is HELLA 921LL.
Standard Replacement: 2 parts, from HELLA. A representative part number is HELLA 921.
Listed part numbers: HELLA 921LL, HELLA DE3175LL and HELLA 921, plus the other parts above.
Tail Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2016 Prostar engines | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | 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.
One part is listed for the 2016 International Prostar — HELLA 2825.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2016 Prostar engines | 3357NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Longer LifeNatural Amber | View on Amazon |
| PHILIPS Fits: all 2016 Prostar engines | 3457NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Longer LifeNatural Amber | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2016 Prostar engines | 3457NA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Brightness: 30.0 CPIncandescent | 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.
3 Turn Signal Lamp Bulb parts for the 2016 International Prostar come from 2 brands — PHILIPS and HELLA. Every part fits both the 12.4L L6 DIESEL Turbocharged and the 14.9L L6 DIESEL Turbocharged.
Extended Life: 2 parts, from PHILIPS. A representative part number is PHILIPS 3357NALL.
Standard Replacement: 1 part, from HELLA. A representative part number is HELLA 3457NA.
Part numbers include PHILIPS 3357NALL, PHILIPS 3457NALL and HELLA 3457NA.
Buying Electrical Bulb & Socket Parts for a 2016 International Prostar
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 both the 12.4L L6 DIESEL Turbocharged and the 14.9L L6 DIESEL Turbocharged.
- 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 Bulb and Step / Courtesy Light Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2016 International Prostar?
Our catalog currently lists 21 electrical bulb & socket parts for the 2016 International Prostar across 7 subcategories and 5 brands, covering both the 12.4L L6 DIESEL Turbocharged and the 14.9L L6 DIESEL Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2016 International Prostar engines?
No. On this page every electrical bulb & socket part fits both the 12.4L L6 DIESEL Turbocharged and the 14.9L L6 DIESEL Turbocharged. 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 2016 International Prostar?
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 2016 International Prostar 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 2016 International Prostar?
Every part on this page already fits both the 12.4L L6 DIESEL Turbocharged and the 14.9L L6 DIESEL Turbocharged. 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 2016 International Prostar
Electrical Bulb & Socket Parts for Other International Prostar Years
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