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Standard Ignition VC-301 Distributor Vacuum Advance
Overview of Standard Ignition Distributor Vacuum Advance VC-301
The Standard Ignition VC-301 Distributor Vacuum Advance is designed to provide precise ignition timing control for Chevrolet and GMC trucks. This vacuum advance unit features a single hose connector, ensuring compatibility with a range of heavy-duty models including C20, K2500, and P3500 series vehicles.
- Single hose connector for vacuum line attachment
- Compatible with Chevrolet and GMC truck models from C20 to R3500
- Part number VC-301 for easy identification and replacement
- Designed to maintain proper ignition timing under varying engine loads
- Durable construction suitable for heavy-duty truck applications
Detailed Product Description
The VC-301 distributor vacuum advance by Standard Ignition is engineered to optimize ignition timing by adjusting the distributor advance based on engine vacuum. This part is essential for maintaining engine efficiency and performance in Chevrolet and GMC trucks, including models such as the K20, C3500, and V2500. Featuring one hose connector, it simplifies installation and ensures a secure vacuum line connection. The vacuum advance helps improve fuel economy and reduces engine knocking by advancing ignition timing during light load conditions.
Compatible Vehicles and Applications
This distributor vacuum advance is compatible with a wide range of Chevrolet and GMC trucks, including:
- Chevrolet C20, C30, C2500, C3500
- GMC K20, K30, K2500, K3500
- Chevrolet P20, P30, P2500, P3500
- GMC R20, R30, R2500, R3500
- Chevrolet V20, V30, V2500, V3500
Common Issues Addressed by VC-301 Distributor Vacuum Advance
- Irregular or delayed ignition timing causing poor engine performance
- Engine knocking or pinging under light load conditions
- Reduced fuel efficiency due to improper vacuum advance operation
- Difficulty maintaining stable idle speed
- Vacuum leaks from worn or damaged advance units
Installation Notes and Tips
- Ensure the vacuum hose is securely connected to the single hose connector on the unit
- Verify compatibility with your specific Chevrolet or GMC truck model before installation
- Inspect the distributor and vacuum advance mounting points for wear or damage
- Follow manufacturer torque specifications when securing the vacuum advance
- Test ignition timing after installation to confirm proper advance operation
Quality Assurance and Warranty
Standard Ignition parts, including the VC-301 distributor vacuum advance, are manufactured to meet or exceed OEM specifications. This part undergoes rigorous quality control to ensure reliable performance in demanding truck applications. Warranty coverage details should be confirmed with the product documentation or supplier.
This part fits 68 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1989 | Chevrolet | P20 | 4.8L | L6 | N/A | OE No. 1103719 |
| 1989 | Chevrolet | P30 | 4.8L | L6 | N/A | OE No. 1103719 |
| 1989 | Chevrolet | P30 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1989 | Chevrolet | R3500 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1989 | Chevrolet | V3500 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1989 | GMC | P2500 | 4.8L | L6 | N/A | OE No. 1103719 |
| 1989 | GMC | P3500 | 4.8L | L6 | N/A | OE No. 1103719 |
| 1989 | GMC | P3500 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1989 | GMC | R3500 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1989 | GMC | V3500 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1988 | Chevrolet | P20 | 4.8L | L6 | N/A | OE No. 1103719 |
| 1988 | Chevrolet | P30 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1988 | Chevrolet | P30 | 4.8L | L6 | N/A | OE No. 1103719 |
| 1988 | Chevrolet | R20 | 4.8L | L6 | N/A | OE No. 1103719 |
| 1988 | Chevrolet | R30 | 4.8L | L6 | N/A | OE No. 1103719 |
| 1988 | Chevrolet | R30 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1988 | Chevrolet | V30 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1988 | Chevrolet | V30 | 4.8L | L6 | N/A | OE No. 1103719 |
| 1988 | GMC | P3500 | 4.8L | L6 | N/A | OE No. 1103719 |
| 1988 | GMC | P3500 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1988 | GMC | R2500 | 4.8L | L6 | N/A | OE No. 1103719 |
| 1988 | GMC | R3500 | 4.8L | L6 | N/A | OE No. 1103719 |
| 1988 | GMC | R3500 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1988 | GMC | V3500 | 4.8L | L6 | N/A | OE No. 1103719 |
| 1988 | GMC | V3500 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1987 | Chevrolet | P20 | 4.8L | L6 | N/A | OE No. 1103636, 719 |
| 1987 | Chevrolet | P30 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1987 | Chevrolet | P30 | 4.8L | L6 | N/A | OE No. 1103636, 719 |
| 1987 | Chevrolet | R20 | 4.8L | L6 | N/A | OE No. 1103636, 719 |
| 1987 | Chevrolet | R30 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1987 | Chevrolet | R30 | 4.8L | L6 | N/A | OE No. 1103636, 719 |
| 1987 | Chevrolet | V20 | 4.8L | L6 | N/A | OE No. 1103636, 719 |
| 1987 | Chevrolet | V30 | 4.8L | L6 | N/A | OE No. 1103636, 719 |
| 1987 | Chevrolet | V30 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1987 | GMC | P2500 | 4.8L | L6 | N/A | OE No. 1103636, 719 |
| 1987 | GMC | P3500 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1987 | GMC | P3500 | 4.8L | L6 | N/A | OE No. 1103636, 719 |
| 1987 | GMC | R2500 | 4.8L | L6 | N/A | OE No. 1103636, 719 |
| 1987 | GMC | R3500 | 4.8L | L6 | N/A | OE No. 1103636, 719 |
| 1987 | GMC | R3500 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1987 | GMC | V2500 | 4.8L | L6 | N/A | OE No. 1103636, 719 |
| 1987 | GMC | V3500 | 4.8L | L6 | N/A | OE No. 1103636, 719 |
| 1987 | GMC | V3500 | 7.4L | V8 | N/A | OE No. 1103717 |
| 1986 | Chevrolet | C20 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1986 | Chevrolet | C30 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1986 | Chevrolet | C30 | 7.4L | V8 | N/A | |
| 1986 | Chevrolet | K20 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1986 | Chevrolet | K30 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1986 | Chevrolet | P20 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1986 | Chevrolet | P30 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1986 | GMC | C2500 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1986 | GMC | C3500 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1986 | GMC | K2500 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1986 | GMC | K3500 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1986 | GMC | P2500 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1986 | GMC | P3500 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1985 | Chevrolet | C20 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1985 | Chevrolet | C30 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1985 | Chevrolet | C30 | 7.4L | V8 | N/A | |
| 1985 | Chevrolet | K20 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1985 | Chevrolet | K30 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1985 | Chevrolet | P20 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1985 | GMC | C2500 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1985 | GMC | C3500 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1985 | GMC | K2500 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1985 | GMC | K3500 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1985 | GMC | P2500 | 4.8L | L6 | N/A | OE No. 1103636 |
| 1985 | GMC | P3500 | 4.8L | L6 | N/A | OE No. 1103636 |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.