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Standard IgnitionPart #: VR-191
Standard Ignition VR-191 Voltage Regulator
⚙️ 120 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$56.97Free Shipping
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, and International, C1500, C2500, C3500, G10, G20, G30, K1500, K2500, K3500, P20, P30, R10 Suburban, R20, R20 Suburban, R30, S10, S10 Blazer, V10 Suburban, V20 Suburban, V30, G1500, G2500, G3500, Jimmy, P2500, P3500, R1500 Suburban, R2500, R2500 Suburban, R3500, S15, S15 Jimmy, Safari, V1500 Suburban, V2500 Suburban, V3500, Astro, Blazer, R10, V10, V20, R1500, V1500, V2500, C10, C10 Suburban, C20, C20 Suburban, C30, K10, K10 Suburban, K20, K20 Suburban, K30, K5 Blazer, C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban, Scout II, and 200
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Voltage Regulator options
Reliable Charging System Voltage Regulator for Chevrolet and GMC Vehicles
The Standard Ignition VR-191 Charging System Voltage Regulator is designed to maintain consistent voltage output in your vehicle's charging system. Engineered for select Chevrolet and GMC models, this regulator ensures stable electrical performance and protects your alternator and battery from voltage fluctuations.
Key Features of the Standard Ignition VR-191 Voltage Regulator
- Connector Gender: Female for secure and reliable connection
- Mounting Location: Distributor-mounted for direct integration
- Terminal Gender: Male blade terminals for easy installation
- Terminal Quantity: 2 terminals to support proper electrical flow
- Terminal Type: Blade terminals designed for durability and conductivity
- Voltage: 12V system compatibility
Detailed Product Description
The VR-191 voltage regulator from Standard Ignition is specifically designed to fit a wide range of Chevrolet and GMC vehicles, including models such as the Astro, Blazer, C10 series, Jimmy, K5 Blazer, S10, Safari, and various Suburban and pickup truck variants. This distributor-mounted regulator controls the alternator's output voltage, ensuring your vehicle's electrical system operates within optimal parameters. Featuring female connectors and male blade terminals, the VR-191 provides a secure and straightforward installation process. Its 12-volt rating matches the electrical requirements of the compatible vehicles, helping to prevent overcharging or undercharging of the battery.
Common Applications and Issues Addressed
- Prevents battery overcharging and extends battery life
- Eliminates dimming or flickering headlights caused by voltage irregularities
- Protects alternator from voltage spikes and electrical damage
- Resolves erratic electrical system behavior in Chevrolet and GMC trucks and SUVs
- Maintains consistent voltage output for reliable engine performance
Installation Notes and Tips
- Ensure the vehicle's ignition is off before installation
- Locate the distributor mounting point for proper placement
- Connect female connector securely to the wiring harness
- Attach male blade terminals firmly to prevent loose connections
- Verify all electrical connections are clean and free of corrosion
Quality Assurance and Warranty Information
Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing dependable performance and durability. The VR-191 voltage regulator undergoes rigorous quality control to ensure consistent operation in demanding automotive environments. Please refer to Standard Ignition's warranty policy for specific coverage details.
| Brand | Standard Ignition |
| Part Number | VR-191 |
| Connector Gender | Female |
| Mounting Location | Distributor |
| Terminal Gender | Male |
| Terminal Type | Blade Terminals |
| Voltage | 12 |
This part fits 120 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1988 | Chevrolet | C1500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp Alternator | ||
| 1988 | Chevrolet | C2500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | Chevrolet | C3500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | Chevrolet | G10 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | Chevrolet | G20 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | Chevrolet | G30 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | Chevrolet | K1500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | Chevrolet | K2500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | Chevrolet | K3500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | Chevrolet | P20 | N/A | Alt. No. 1101287, 288; 80 or 100 Amp | ||
| 1988 | Chevrolet | P30 | N/A | Alt. No. 1101287, 288; 80 or 100 Amp | ||
| 1988 | Chevrolet | R10 Suburban | N/A | 85, 100, 105, or 120 Amp | ||
| 1988 | Chevrolet | R20 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | Chevrolet | R20 Suburban | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | Chevrolet | R30 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | Chevrolet | S10 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | Chevrolet | S10 Blazer | N/A | Alt. No. 1101287; 80 or 100 Amp | ||
| 1988 | Chevrolet | V10 Suburban | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | Chevrolet | V20 Suburban | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | Chevrolet | V30 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | GMC | C1500 | N/A | Alt. No. 1101287; 100 Amp | ||
| 1988 | GMC | C2500 | N/A | Alt. No. 1101287; 100 Amp | ||
| 1988 | GMC | C3500 | N/A | Alt. No. 1101287; 100 Amp | ||
| 1988 | GMC | G1500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | GMC | G2500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | GMC | G3500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | GMC | Jimmy | N/A | Alt. No. 1101287; 100 Amp | ||
| 1988 | GMC | K1500 | N/A | Alt. No. 1101287; 100 Amp; 65 Amp | ||
| 1988 | GMC | K2500 | N/A | Alt. No. 1101287; 100 Amp; 65 Amp | ||
| 1988 | GMC | K3500 | N/A | Alt. No. 1101287; 100 Amp; 65 Amp | ||
| 1988 | GMC | P2500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | GMC | P3500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | GMC | R1500 Suburban | N/A | Alt. No. 1101287; 100 Amp | ||
| 1988 | GMC | R2500 | N/A | Alt. No. 1101287; 100 Amp | ||
| 1988 | GMC | R2500 Suburban | N/A | Alt. No. 1101287; 100 Amp | ||
| 1988 | GMC | R3500 | N/A | Alt. No. 1101287; 100 Amp | ||
| 1988 | GMC | S15 | N/A | Alt. No. 1101287; 100 Amp | ||
| 1988 | GMC | S15 Jimmy | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1988 | GMC | Safari | N/A | Alt. No. 1101287; 100 Amp | ||
| 1988 | GMC | V1500 Suburban | N/A | Alt. No. 1101287; 100 Amp | ||
| 1988 | GMC | V2500 Suburban | N/A | Alt. No. 1101287; 100 Amp | ||
| 1988 | GMC | V3500 | N/A | Alt. No. 1101287; 100 Amp | ||
| 1987 | Chevrolet | Astro | N/A | Alt. No. 1101287; 100 Amp; 80 Amp Alternator | ||
| 1987 | Chevrolet | Blazer | N/A | Alt. No. 1101287; 80 or 100 Amp | ||
| 1987 | Chevrolet | G10 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | Chevrolet | G20 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | Chevrolet | G30 | N/A | Alt. No. 1101287; 80 or 100 Amp | ||
| 1987 | Chevrolet | P20 | N/A | Alt. No. 1101287, 288; 80 or 100 Amp | ||
| 1987 | Chevrolet | P30 | N/A | Alt. No. 1101287, 288; 80 or 100 Amp | ||
| 1987 | Chevrolet | R10 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | Chevrolet | R10 Suburban | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | Chevrolet | R20 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | Chevrolet | R20 Suburban | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | Chevrolet | R30 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | Chevrolet | S10 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | Chevrolet | S10 Blazer | N/A | Alt. No. 1101287; 80 or 100 Amp Alternator | ||
| 1987 | Chevrolet | V10 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | Chevrolet | V10 Suburban | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | Chevrolet | V20 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | Chevrolet | V20 Suburban | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | Chevrolet | V30 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | GMC | G1500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | GMC | G2500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | GMC | G3500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | GMC | Jimmy | N/A | Alt. No. 1101287; 100 Amp | ||
| 1987 | GMC | P2500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | GMC | P3500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | GMC | R1500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | GMC | R1500 Suburban | N/A | Alt. No. 1101287; 100 Amp | ||
| 1987 | GMC | R2500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | GMC | R2500 Suburban | N/A | Alt. No. 1101287; 100 Amp | ||
| 1987 | GMC | R3500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | GMC | S15 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | GMC | S15 Jimmy | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | GMC | Safari | N/A | Alt. No. 1101287; 100 Amp | ||
| 1987 | GMC | V1500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | GMC | V1500 Suburban | N/A | Alt. No. 1101287; 100 Amp | ||
| 1987 | GMC | V2500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1987 | GMC | V2500 Suburban | N/A | Alt. No. 1101287; 100 Amp | ||
| 1987 | GMC | V3500 | N/A | Alt. No. 1101287; 100 Amp; 80 Amp | ||
| 1986 | Chevrolet | Astro | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | C10 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | C10 Suburban | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | C20 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | C20 Suburban | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | C30 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | G10 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | G20 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | G30 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | K10 | N/A | Alt. No. 1105465; Alt. No. 8-97023-652-0; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | K10 Suburban | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | K20 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | K20 Suburban | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | K30 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | K5 Blazer | N/A | Alt. No. 1105465; 65 or 80 Amp | ||
| 1986 | Chevrolet | P20 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | P30 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | S10 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | Chevrolet | S10 Blazer | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | C1500 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | C1500 Suburban | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | C2500 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | C2500 Suburban | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | C3500 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | G1500 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | G2500 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | G3500 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | Jimmy | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | K1500 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | K1500 Suburban | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | K2500 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | K2500 Suburban | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | K3500 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | P2500 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | P3500 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | S15 | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | S15 Jimmy | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1986 | GMC | Safari | N/A | Alt. No. 1105465; 80 Amp; 65 Amp | ||
| 1977 | Chevrolet | G20 | 6.6L | V8 | N/A | 145 Amp |
| 1977 | Chevrolet | G30 | 6.6L | V8 | N/A | 145 Amp |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
1116390111640611164351V134327-1814F3HZ10316AGR809KVR236R716RAA2785VR184VR900VSH6201E
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.