This page lists 31 electrical bulb & socket parts for the 1990 Geo Storm, across 3 part types, covering both the 1.6L L4 DOHC and the 1.6L L4 SOHC. Every part shows its brand, manufacturer part number and fitment notes.
The bulb and socket system on the 1990 Geo Storm covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. All 31 listed parts are Back Up / Reverse Lamp Bulb (12 parts), Brake Light Bulb (10 parts) and Brake Light Bulb - High Mount (9 parts).
The 1990 Geo Storm was sold with both the 1.6L L4 DOHC and the 1.6L L4 SOHC. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 1990 Geo Storm electrical bulb & socket parts are SYLVANIA (12 parts), WAGNER (8 parts) and HELLA (6 parts), plus 3 more brands. Quality grades include Extended Life, Standard Replacement and LED.
7 parts on this 1990 Geo Storm page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including PHILIPS 1156LL (Back Up / Reverse Lamp Bulb) and SYLVANIA 1157 (Brake Light Bulb). Click any part number to see every vehicle that part fits.
Back Up / Reverse Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: 1.6L L4 SOHC | 1156LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
| GM GENUINE Fits: 1.6L L4 SOHC | 1156LL | 🇺🇸 US 🇨🇦 CA | LONG LIFE | View on Amazon |
| HELLA Fits: 1.6L L4 SOHC | 1156LL | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| SYLVANIA Fits: 1.6L L4 SOHC | 1156LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BA15S | View on Amazon |
| WAGNER Fits: 1.6L L4 SOHC | 1156LL | 🇺🇸 US 🇨🇦 CA | Long LifeSingle Contact Bayonet Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 1.6L L4 SOHC | 1156ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteColor Temperature: 3200 KV | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 1.6L L4 SOHC | 1156WSMD | 🇺🇸 US 🇨🇦 CA | Bulb Type 11563.6 Watt | View on Amazon |
| WAGNER Fits: 1.6L L4 SOHC | 1156WLED | 🇺🇸 US 🇨🇦 CA | LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 1.6L L4 SOHC | 1156 | 🇺🇸 US 🇨🇦 CA | Brightness: 32.0 CPIncandescent | View on Amazon |
| WAGNER Popular Fits: 1.6L L4 SOHC | 1156 | 🇺🇸 US 🇨🇦 CA | Single Contact Bayonet Base26.880 Watt | View on Amazon |
| GM GENUINE Fits: 1.6L L4 SOHC | L1156 | 🇺🇸 US 🇨🇦 CA | Height: 1.2 InTerminal Type: Pressure Contact | View on Amazon |
| SYLVANIA Fits: 1.6L L4 SOHC | 1156 | 🇺🇸 US 🇨🇦 CA | Base Type: BA15SWattage: 26.90 W | 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.
12 Back Up / Reverse Lamp Bulb parts are listed for the 1990 Geo Storm, from SYLVANIA, WAGNER, GM GENUINE and 3 other brands. PHILIPS 1156LL carries the "Popular" badge.
The Extended Life section lists 5 options from PHILIPS, GM GENUINE, HELLA and 2 other brands — grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. PHILIPS 1156LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section lists 1 option from SYLVANIA — grouped under the catalog's "Extra Bright (improved visibility, but shorter life)" designation — the notes column spells out what sets them apart. SYLVANIA 1156ST is listed in this group.
In the LED (instant-on, long life, energy-saving) grade, DORMAN and WAGNER supply 2 parts: grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. A representative part number is DORMAN 1156WSMD.
The Standard Replacement section lists 4 options from HELLA, WAGNER, GM GENUINE and 1 other brand — built to original-equipment specification. HELLA 1156 is listed in this group.
Brake Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 1.6L L4 SOHC | 1157LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BAY15D | View on Amazon |
| WAGNER Fits: 1.6L L4 SOHC | 1157LL | 🇺🇸 US 🇨🇦 CA | Long LifeDouble Contact Index Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 1.6L L4 SOHC | 1157ST | 🇺🇸 US 🇨🇦 CA | Silver StarCool White | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 1.6L L4 SOHC | 1157SL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
| SYLVANIA Fits: 1.6L L4 SOHC | 1157RSL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
| SYLVANIA Fits: 1.6L L4 SOHC | 1157LED | 🇺🇸 US 🇨🇦 CA | ZEVO | View on Amazon |
| WAGNER Fits: 1.6L L4 SOHC | 1157LEDW | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 1.6L L4 SOHC | 1157 | 🇺🇸 US 🇨🇦 CA | Base Type: BAY15DWattage: 26.90 W | View on Amazon |
| WAGNER Popular Fits: 1.6L L4 SOHC | 1157 | 🇺🇸 US 🇨🇦 CA | Double Contact Index Base26.880 Watt | View on Amazon |
| HELLA Fits: 1.6L L4 SOHC | 1157 | 🇺🇸 US 🇨🇦 CA | Incandescent27/8W | 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.
10 Brake Light Bulb parts are listed for the 1990 Geo Storm, from SYLVANIA, WAGNER and HELLA. SYLVANIA 1157 carries the "Popular" badge.
The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 1157LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 1157ST is listed in this group.
LED (instant-on, long life, energy-saving): 4 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 1157SL.
The Standard Replacement section: 3 options from SYLVANIA, WAGNER and HELLA. SYLVANIA 1157 is listed in this group.
Brake Light Bulb - High Mount
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 1.6L L4 SOHC | 921LL | 🇺🇸 US 🇨🇦 CA | Base Model921LL TRADE # | View on Amazon |
| HELLA Fits: 1.6L L4 SOHC | 921LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: 1.6L L4 SOHC | 921LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: 1.6L L4 SOHC | 921LL | 🇺🇸 US 🇨🇦 CA | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 1.6L L4 SOHC | 921ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 1.6L L4 SOHC | 921LED5K | 🇺🇸 US 🇨🇦 CA | LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 1.6L L4 SOHC | 921 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA Fits: 1.6L L4 SOHC | 921 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 18.00 W | View on Amazon |
| WAGNER Fits: 1.6L L4 SOHC | 921 | 🇺🇸 US 🇨🇦 CA | Bulb Type: T-5 Bulb 5/8 (16mm) DiameterVoltage: 12.800 Volts (Direct Current) | 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.
9 Brake Light Bulb - High Mount parts are listed for the 1990 Geo Storm, from HELLA, SYLVANIA, WAGNER and 1 other brand. HELLA 921LED5K carries the "Popular" badge.
The Extended Life section: 4 options from GM GENUINE, HELLA, SYLVANIA and 1 other brand. GM GENUINE 921LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 921ST is listed in this group.
LED (instant-on, long life, energy-saving): 1 part, from HELLA. A representative part number is HELLA 921LED5K.
The Standard Replacement section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 921 is listed in this group.
This group includes HELLA 921LED5K and GM GENUINE 921LL and the remaining parts above.
Buying Electrical Bulb & Socket Parts for a 1990 Geo Storm
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 Brake Light Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 1990 Geo Storm?
Our catalog currently lists 31 electrical bulb & socket parts for the 1990 Geo Storm across 3 subcategories and 6 brands, covering both the 1.6L L4 DOHC and the 1.6L L4 SOHC. Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 1990 Geo Storm 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 1990 Geo Storm?
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 1990 Geo Storm 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 1990 Geo Storm?
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 1990 Geo Storm
Electrical Bulb & Socket Parts for Other Geo Storm 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.