85 Electrical parts are listed for the 1991 Geo Storm, in 15 part types, covering both the 1.6L L4 DOHC and the 1.6L L4 SOHC. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1991 Geo Storm, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. 42 parts of the 85 listed are Fuse (17 parts), Horn (17 parts) and Starter Motor (8 parts). The other 12 part types cover the remaining 43 parts.
The 1991 Geo Storm was sold with both the 1.6L L4 DOHC and the 1.6L L4 SOHC. 56 parts fit every engine; the other 29 are engine-specific. Each part shows which engine(s) it fits.
21 brands supply electrical parts for the 1991 Geo Storm, led by BUSSMANN (12 parts), FIAMM (11 parts) and ACDELCO (10 parts), plus 18 more brands. Quality grades include Remanufactured, Standard Replacement and Accessory Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1991 Geo Storm. 16 parts have it, including ACDELCO 3341911 (Alternator / Generator) and DEKA 9A3585 (Battery). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REMY Fits: all 1991 Storm engines | 91069 | 🇺🇸 US 🇨🇦 CA | 90 Amps | View on Amazon |
| TERREPOWER Fits: all 1991 Storm engines | N13705 | 🇺🇸 US 🇨🇦 CA | 90 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 1991 Storm engines | 3341911 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| PURE ENERGY Popular Fits: all 1991 Storm engines | 15630 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| FVP Fits: all 1991 Storm engines | 15630 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY Fits: all 1991 Storm engines | 14971 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: all 1991 Storm engines | 13391 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator.
7 Alternator / Generator parts for the 1991 Geo Storm come from 5 brands — REMY, TERREPOWER, ACDELCO and 2 other brands. The "Popular" part is ACDELCO 3341911. Every part fits both the 1.6L L4 DOHC and the 1.6L L4 SOHC.
The New section lists 2 options from REMY and TERREPOWER — brand-new units rather than rebuilt ones. REMY 91069 is listed in this group.
The Remanufactured section lists 5 options from ACDELCO, PURE ENERGY, FVP and 2 other brands — factory-rebuilt units with new wear components. ACDELCO 3341911 is listed in this group.
Listed part numbers: ACDELCO 3341911, REMY 91069 and TERREPOWER N13705, plus the other parts above.
Alternator / Generator Brush
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 1991 Storm engines | 5A1000 | 🇺🇸 US 🇨🇦 CA | with 75, 85 Amps Alternator | View on Amazon |
This table covers the brushes inside the alternator.
This group shows a single part: WELLS 5A1000.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular Fits: all 1991 Storm engines | 9A3585 | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| FVP Popular Fits: all 1991 Storm engines | P35AGM | 🇺🇸 US 🇨🇦 CA | Platinum AGMBCI Group: 35 | View on Amazon |
| ACDELCO Fits: all 1991 Storm engines | 35AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 35 | View on Amazon |
| EXIDE Fits: all 1991 Storm engines | MX35 | 🇺🇸 US 🇨🇦 CA | Marathon MaxBCI Group 35 | View on Amazon |
| P1MAX Fits: all 1991 Storm engines | PMAGM35 | 🇺🇸 US 🇨🇦 CA | BCI Group 35 AGM650 CCA | View on Amazon |
Performance AGM (Extended Life + Increased Power)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FULLRIVER Fits: all 1991 Storm engines | FT75035 | 🇺🇸 US 🇨🇦 CA | BCI Group 35(Length X Width X Height) 9.45 In x 6.85 In x 8.66 In | View on Amazon |
This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery.
6 Battery parts are listed for the 1991 Geo Storm, from DEKA, FVP, ACDELCO and 3 other brands. DEKA 9A3585 carries the "Popular" badge. All of them fit every engine offered in the 1991 Storm.
The AGM (Extended Life) section lists 5 options from DEKA, FVP, ACDELCO and 2 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A3585 is listed in this group.
The Performance AGM (Extended Life + Increased Power) section lists 1 option from FULLRIVER — grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. FULLRIVER FT75035 is listed in this group.
Listed part numbers: DEKA 9A3585, FVP P35AGM and ACDELCO 35AGM, plus the other parts above.
Battery Cable
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UNITED MOTOR PRODUCTS Popular Fits: all 1991 Storm engines | 4242 | 🇺🇸 US 🇨🇦 CA | 4 Gauge42" Cable | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 DOHC | A426UT | 🇺🇸 US 🇨🇦 CA | PositiveManual trans. | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 DOHC | A486UT | 🇺🇸 US 🇨🇦 CA | NegativeManual trans. | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 1991 Storm engines | 4251N | 🇺🇸 US 🇨🇦 CA | 51" Cable4-Gauge | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 1.6L L4 DOHC | 6142 | 🇺🇸 US 🇨🇦 CA | Manual trans.Battery To Switch | View on Amazon |
This table covers the positive and ground cables that run from the battery. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early.
5 Battery Cable parts for the 1991 Geo Storm come from 2 brands — UNITED MOTOR PRODUCTS and STANDARD MOTOR PRODUCTS. The "Popular" part is UNITED MOTOR PRODUCTS 4242. 2 parts fit every engine; the other 3 are engine-specific.
This group includes UNITED MOTOR PRODUCTS 4242, STANDARD MOTOR PRODUCTS A426UT and STANDARD MOTOR PRODUCTS A486UT and the remaining parts above.
Battery Terminal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Fits: all 1991 Storm engines | 00350 | 🇺🇸 US 🇨🇦 CA | Top Post Terminal | View on Amazon |
| DEKA Fits: all 1991 Storm engines | 01056 | 🇺🇸 US 🇨🇦 CA | Top Post Terminal Lead Free | View on Amazon |
This table covers the terminals and clamps that connect cables to the battery posts.
DEKA supplies both parts for the 1991 Geo Storm. All of them fit every engine offered in the 1991 Storm.
Listed part numbers: DEKA 00350 and DEKA 01056.
Battery Terminal Bolt / Nut
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 1991 Storm engines | 11514753 | 🇺🇸 US 🇨🇦 CA | Ground | View on Amazon |
| GM GENUINE Fits: all 1991 Storm engines | 11515754 | 🇺🇸 US 🇨🇦 CA | 4 speed Automatic trans.M8X12 | View on Amazon |
This table covers the Battery Terminal Bolt nuts.
2 Battery Terminal Bolt / Nut parts for the 1991 Geo Storm come from GM GENUINE. Every part fits both the 1.6L L4 DOHC and the 1.6L L4 SOHC.
Listed part numbers: GM GENUINE 11514753 and GM GENUINE 11515754.
Engine Control Module (ECM Computer)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 1991 Storm engines | 21812494 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| ACDELCO Fits: all 1991 Storm engines | 21812495 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| ACDELCO Fits: all 1991 Storm engines | 21812496 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| ACDELCO Fits: all 1991 Storm engines | 21812497 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| BSE Fits: all 1991 Storm engines | EM1237CA | 🇺🇸 US 🇨🇦 CA | Blue Streak Electronics Premium QualityReman | View on Amazon |
| CARDONE Fits: all 1991 Storm engines | 771237AC | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| GM GENUINE Fits: 1.6L L4 DOHC | 88999207 | 🇺🇸 US 🇨🇦 CA | RemanufacturedLocal Programming Required | View on Amazon |
This table covers the engine-control modules that run fuel, spark and emissions.
7 Engine Control Module (ECM Computer) parts for the 1991 Geo Storm come from 4 brands — ACDELCO, BSE, CARDONE and 1 other brand. 6 parts fit every engine; the other 1 is engine-specific.
Part numbers include ACDELCO 21812494, ACDELCO 21812495 and ACDELCO 21812496, among others listed above.
Flasher
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Fits: all 1991 Storm engines | 232 | 🇺🇸 US 🇨🇦 CA | Super Heavy-Duty FlasherSuper Heavy Duty Electronic, 12v, 2 terminal, 20amp, 1-10 bulbs | View on Amazon |
| TRIDON / NOVITA Fits: all 1991 Storm engines | EP34 | 🇺🇸 US 🇨🇦 CA | Electronic Flasher | View on Amazon |
This table covers the flasher units that blink the turn signals and hazards.
2 Flasher parts are listed for the 1991 Geo Storm, from BUSSMANN and TRIDON / NOVITA. All of them fit every engine offered in the 1991 Storm.
This group includes BUSSMANN 232 and TRIDON / NOVITA EP34.
Fuse
10 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Fits: 1.6L L4 DOHC | ATC10 | 🇺🇸 US 🇨🇦 CA | 10 AmpBlade Fuse | View on Amazon |
| BUSSMANN Fits: 1.6L L4 DOHC | ATC10ID | 🇺🇸 US 🇨🇦 CA | 10 AmpeasyID | View on Amazon |
| LITTELFUSE Fits: 1.6L L4 DOHC | ATO10 | 🇺🇸 US 🇨🇦 CA | Blade Fuse10A | View on Amazon |
15 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Popular Fits: 1.6L L4 DOHC | ATC15 | 🇺🇸 US 🇨🇦 CA | 15 AmpsBlade Fuse | View on Amazon |
| LITTELFUSE Popular Fits: 1.6L L4 DOHC | ATO15 | 🇺🇸 US 🇨🇦 CA | Blade Fuse15A | View on Amazon |
| BUSSMANN Fits: 1.6L L4 DOHC | ATC15ID | 🇺🇸 US 🇨🇦 CA | easyID15 Amps | View on Amazon |
20 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Popular Fits: 1.6L L4 DOHC | ATC20 | 🇺🇸 US 🇨🇦 CA | 20 AmpsBlade Fuse | View on Amazon |
| LITTELFUSE Popular Fits: 1.6L L4 DOHC | ATO20 | 🇺🇸 US 🇨🇦 CA | Blade Fuse20A | View on Amazon |
| BUSSMANN Fits: 1.6L L4 DOHC | ATC20ID | 🇺🇸 US 🇨🇦 CA | easyID20 Amps | View on Amazon |
25 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Fits: 1.6L L4 DOHC | ATC25 | 🇺🇸 US 🇨🇦 CA | 25 AmpsBlade Fuse | View on Amazon |
| BUSSMANN Fits: 1.6L L4 DOHC | ATC25ID | 🇺🇸 US 🇨🇦 CA | Blade Fuse25 Amps | View on Amazon |
| LITTELFUSE Fits: 1.6L L4 DOHC | ATO25 | 🇺🇸 US 🇨🇦 CA | Blade Fuse25A | View on Amazon |
30 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Fits: 1.6L L4 DOHC | FLF30 | 🇺🇸 US 🇨🇦 CA | 30 AmpsFLF Series | View on Amazon |
| LITTELFUSE Fits: 1.6L L4 DOHC | PAL030 | 🇺🇸 US 🇨🇦 CA | Auto Link PAL Fuse | View on Amazon |
50 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Fits: 1.6L L4 DOHC | FLB50 | 🇺🇸 US 🇨🇦 CA | FLB Series50 Amps | View on Amazon |
80 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Fits: 1.6L L4 DOHC | FLB80 | 🇺🇸 US 🇨🇦 CA | 80 AmpsFLB Series | View on Amazon |
| LITTELFUSE Fits: 1.6L L4 DOHC | PAL280 | 🇺🇸 US 🇨🇦 CA | Auto Link PAL Fuse | View on Amazon |
This table covers the replacement fuses for this vehicle's fuse boxes. Typical signs include one circuit dead while its neighbor still works, or a fuse that blows again as soon as you replace it. Match amperage and fuse type. A repeat blow means a short — find it before the next fuse.
17 Fuse parts are listed for the 1991 Geo Storm, from BUSSMANN and LITTELFUSE. BUSSMANN ATC15 carries the "Popular" badge.
The 10 Amp section lists 3 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATC10 is listed in this group.
In the 15 Amp grade, BUSSMANN and LITTELFUSE supply 3 parts: grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATC15.
In the 20 Amp grade, BUSSMANN and LITTELFUSE supply 3 parts: grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATC20.
The 25 Amp section lists 3 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATC25 is listed in this group.
The 30 Amp section lists 2 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FLF30 is listed in this group.
The 50 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FLB50 is listed in this group.
In the 80 Amp grade, BUSSMANN and LITTELFUSE supply 2 parts: grouped under the catalog's "80 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FLB80.
Horn
Accessory Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular Fits: all 1991 Storm engines | 72112 | 🇺🇸 US 🇨🇦 CA | Freeway BlasterAccessory Horn | View on Amazon |
| FIAMM Fits: all 1991 Storm engines | 7410024 | 🇺🇸 US 🇨🇦 CA | Accessory HornEl Grande | View on Amazon |
| FIAMM Fits: all 1991 Storm engines | 6602023 | 🇺🇸 US 🇨🇦 CA | Accessory HornRed | View on Amazon |
| FIAMM Fits: all 1991 Storm engines | 6602523 | 🇺🇸 US 🇨🇦 CA | Accessory HornChrome | View on Amazon |
| FIAMM Fits: all 1991 Storm engines | 6604523 | 🇺🇸 US 🇨🇦 CA | Ultimate Blast HornAccessory Horn | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular Fits: all 1991 Storm engines | 7421122 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM Popular Fits: all 1991 Storm engines | 7421322 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors | View on Amazon |
| FIAMM Popular Fits: all 1991 Storm engines | 7250522 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| ACDELCO Fits: all 1991 Storm engines | E1905E | 🇺🇸 US 🇨🇦 CA | Gold2 Pin Connection | View on Amazon |
| FIAMM Fits: all 1991 Storm engines | 4036523 | 🇺🇸 US 🇨🇦 CA | OE Replacement Disc Horn125 dB | View on Amazon |
| FIAMM Fits: all 1991 Storm engines | 4031023 | 🇺🇸 US 🇨🇦 CA | OE Replacement Disc Horn125 dB | View on Amazon |
| FIAMM Fits: all 1991 Storm engines | 7250622 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 1991 Storm engines | HN17T | 🇺🇸 US 🇨🇦 CA | T-SeriesUniversal | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 1991 Storm engines | HN18 | 🇺🇸 US 🇨🇦 CA | High Output Low Tone | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 1991 Storm engines | HN19 | 🇺🇸 US 🇨🇦 CA | High Tone | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 1991 Storm engines | HN19T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 1991 Storm engines | HN20 | 🇺🇸 US 🇨🇦 CA | Low Tone | View on Amazon |
This table covers the horns mounted in the front of the vehicle.
17 Horn parts are listed for the 1991 Geo Storm, from FIAMM, STANDARD MOTOR PRODUCTS and ACDELCO. FIAMM 72112 carries the "Popular" badge. All of them fit every engine offered in the 1991 Storm.
In the Accessory Replacement grade, FIAMM supplies 5 parts: grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. A representative part number is FIAMM 72112.
The Standard Replacement section lists 12 options from FIAMM, STANDARD MOTOR PRODUCTS and ACDELCO — built to original-equipment specification. FIAMM 7421122 is listed in this group.
Starter Drive
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 1991 Storm engines | D2007 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| WELLS Fits: all 1991 Storm engines | 2K1200 | 🇺🇸 US 🇨🇦 CA | Automatic Trans | View on Amazon |
| WELLS Fits: all 1991 Storm engines | 2K1202 | 🇺🇸 US 🇨🇦 CA | Manual trans. | View on Amazon |
This table covers the starter drives that engage the flywheel ring gear.
3 Starter Drive parts are listed for the 1991 Geo Storm, from WELLS and ACDELCO. All of them fit every engine offered in the 1991 Storm.
This group includes ACDELCO D2007, WELLS 2K1200 and WELLS 2K1202.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Popular Fits: all 1991 Storm engines | 17560N | 🇺🇸 US 🇨🇦 CA | Manual trans. | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular Fits: all 1991 Storm engines | 12123 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| DENSO Fits: all 1991 Storm engines | 2800361 | 🇺🇸 US 🇨🇦 CA | Reman | View on Amazon |
| REMY Fits: all 1991 Storm engines | 17001 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY Fits: all 1991 Storm engines | 17002 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: all 1991 Storm engines | 17202 | 🇺🇸 US 🇨🇦 CA | RemanufacturedPower Rating: 1.4 Kilowatt | View on Amazon |
| TERREPOWER Fits: all 1991 Storm engines | 17203 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: all 1991 Storm engines | 17204 | 🇺🇸 US 🇨🇦 CA | RemanufacturedPower Rating: 1.2 Kilowatt | View on Amazon |
This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
8 Starter Motor parts for the 1991 Geo Storm come from 5 brands — TERREPOWER, REMY, WAI GLOBAL and 2 other brands. The "Popular" part is WAI GLOBAL 17560N. Every part fits both the 1.6L L4 DOHC and the 1.6L L4 SOHC.
The New section: 1 option from WAI GLOBAL. WAI GLOBAL 17560N is listed in this group.
The Remanufactured section: 7 options from TERREPOWER, REMY, PURE ENERGY and 1 other brand. PURE ENERGY 12123 is listed in this group.
This group includes WAI GLOBAL 17560N, PURE ENERGY 12123 and DENSO 2800361 and the remaining parts above.
Starter Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 1.6L L4 DOHC | SS342 | 🇺🇸 US 🇨🇦 CA | Manual trans. | View on Amazon |
| ACDELCO Fits: 1.6L L4 DOHC | D961A | 🇺🇸 US 🇨🇦 CA | Gold / Professional | View on Amazon |
| ACDELCO Fits: 1.6L L4 DOHC | E935C | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| WELLS Fits: 1.6L L4 DOHC | 1M1104 | 🇺🇸 US 🇨🇦 CA | Automatic Trans | View on Amazon |
| WELLS Fits: 1.6L L4 DOHC | 1M1105 | 🇺🇸 US 🇨🇦 CA | Manual trans. | View on Amazon |
This table covers the Starter solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid.
5 Starter Solenoid parts for the 1991 Geo Storm come from 3 brands — ACDELCO, WELLS and STANDARD MOTOR PRODUCTS. The "Popular" part is STANDARD MOTOR PRODUCTS SS342.
Listed part numbers: STANDARD MOTOR PRODUCTS SS342, ACDELCO D961A and ACDELCO E935C, plus the other parts above.
Voltage Regulator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 DOHC | VR406 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: 1.6L L4 DOHC | 1V1073 | 🇺🇸 US 🇨🇦 CA | with 75,80 Amps Alternator | View on Amazon |
This table covers the regulators that control alternator output voltage.
2 Voltage Regulator parts are listed for the 1991 Geo Storm, from STANDARD MOTOR PRODUCTS and WELLS.
Listed part numbers: STANDARD MOTOR PRODUCTS VR406 and WELLS 1V1073.
Wiring Harness Clip
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 1.6L L4 DOHC | 12337820 | 🇺🇸 US 🇨🇦 CA | BlackPaint to Match | View on Amazon |
This table covers the Wiring Harness clips.
This group shows a single part: GM GENUINE 12337820.
Buying Electrical Parts for a 1991 Geo Storm
On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.
- Match the engine first. Some electrical parts fit every engine; others are 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, clean or renew the battery terminals and grounds with any charging-system repair.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Frequently Asked Questions
How many electrical parts fit the 1991 Geo Storm?
Our catalog currently lists 85 electrical parts for the 1991 Geo Storm across 15 subcategories and 21 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 parts differ between 1991 Geo Storm engines?
Some do. 56 parts fit every engine; the other 29 are engine-specific. Each row (and the filter at the top) shows which. 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 problems on a 1991 Geo Storm?
Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. 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, clean or renew the battery terminals and grounds with any charging-system repair.
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 1991 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 1991 Geo Storm?
First match the engine — each row shows which engine(s) the part fits. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1991 Geo Storm
Electrical Parts for Other Geo Storm Years
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