Oil Seal for Briggs & Stratton Quantum Series Engines – Fits Models 97700, 99700, 12A800, 12D800, 121700–129800, 104700

The Oil Seal for Briggs & Stratton Quantum Series engines is a high-quality replacement part engineered to prevent oil leaks and maintain proper lubrication in your small engine. Built to OEM specifications, this seal ensures a precise fit and long-lasting performance. Compatible with Briggs & Stratton Quantum Series models 97700, 99700, 12A800, 12D800, 121700–129800, and 104700, it provides reliable protection by keeping contaminants out and oil securely in.

Specifications & Details:

• Product Type: Oil Seal

• Application: Briggs & Stratton Quantum Series small engines

• Compatible Models: 97700, 99700, 12A800, 12D800, 121700–129800, 104700

• Function: Prevents oil leaks and protects engine components

• Construction: Durable, OEM-quality materials for extended service life

• Benefits:

  • Ensures proper crankcase sealing

  • Protects against dirt and debris intrusion

  • Helps maintain consistent engine performance

This oil seal is an essential replacement part for extending the life of your Briggs & Stratton Quantum Series engines.

Replaces

• BRIGGS & STRATTON: 399781, 399781S