HomeIgnition > Distributor and MagnetoStandard Ignition VC-204 Distributor Vacuum Advance
Part #: VC-204

Standard Ignition VC-204 Distributor Vacuum Advance

⚙️ 8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Pontiac, Buick, and Oldsmobile, Ventura, Apollo, Century, LeSabre, Regal, Skylark, Omega, and Firebird
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Overview of Standard Ignition Distributor Vacuum Advance VC-204

The Standard Ignition VC-204 distributor vacuum advance is designed to provide reliable vacuum cap performance for select Buick, Oldsmobile, and Pontiac vehicles. This part ensures proper vacuum advance function, contributing to efficient ignition timing and engine performance.

  • Includes one vacuum cap for distributor vacuum advance
  • Equipped with a single hose connector for secure attachment
  • Compatible with Buick, Oldsmobile, and Pontiac models including Century, Firebird, Grand Am, LeSabre, Omega, Regal, and Skylark
  • Part number VC-204 for precise identification and fitment

Product Details and Attributes

The VC-204 distributor vacuum advance from Standard Ignition features a vacuum cap designed to maintain a tight seal and proper vacuum flow. The included vacuum cap is essential for the distributor’s vacuum advance mechanism, which adjusts ignition timing based on engine load. This part includes one hose connector, ensuring a secure and leak-free connection to the vacuum line. Proper vacuum advance operation helps optimize engine efficiency and performance in compatible Buick, Oldsmobile, and Pontiac vehicles.

Compatible Vehicles and Applications

This distributor vacuum advance is compatible with a range of GM vehicles, specifically Buick Century, Oldsmobile Omega and Cutlass models, Pontiac Firebird, Grand Am, LeSabre, Regal, and Skylark. Using the Standard Ignition VC-204 ensures correct fitment and function in these models, supporting proper ignition timing adjustments under varying engine conditions.

Common Issues Addressed by VC-204 Distributor Vacuum Advance

  • Irregular or delayed ignition timing due to vacuum leaks
  • Engine hesitation or poor acceleration caused by faulty vacuum advance
  • Reduced fuel efficiency from improper ignition timing
  • Rough idle or stalling related to vacuum cap failure
  • Difficulty maintaining consistent engine performance under load

Installation Notes and Tips

When installing the Standard Ignition VC-204, ensure the vacuum cap is securely seated on the distributor vacuum advance unit. Verify that the single hose connector is properly attached to the vacuum line without cracks or leaks. It is recommended to inspect the vacuum hose for wear and replace if necessary to maintain optimal vacuum advance function. Proper installation supports accurate ignition timing and engine responsiveness.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The VC-204 distributor vacuum advance undergoes quality control testing to ensure durability and reliable performance. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship to provide confidence in product reliability.

BrandStandard Ignition
Part NumberVC-204
ContentsVacuum Cap

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1975BuickCentury5.7LV8N/ADist. No. 1112896, 962
1975BuickLeSabre5.7LV8N/ADist. No. 1112896, 962
1975BuickRegal5.7LV8N/ADist. No. 1112896, 962
1975BuickSkylark5.7LV8N/ADist. No. 1112896, 962
1975OldsmobileOmega5.7LV8N/AOE No. 1112962; w/ Calif. Emissions
1975OldsmobileOmega5.7LV8N/AOE No. 1112896; w/ Federal Emissions
1975PontiacFirebird5.7LV8N/Aw/o High Altitude Emissions; OE No. 1112896
1975PontiacGrand Am5.7LV8N/AOE No. 1112896

* 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:

191106324V103157-7552DV1838V386VC1838VC414

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.