3M 08374 - MSP Sprayable Seam Sealer (Grey, 10.5oz)
3M 08374 MSP Sprayable Seam Sealer (Grey, 10.5 oz) is a professional-grade sprayable seam sealer formulated with Modified Silane Polymer (MSP) technology for automotive collision repair and refinishing applications. This one-component formula is designed to replicate OEM-style sprayed seam textures while providing durable adhesion and corrosion protection.
Engineered for use with appropriate spray equipment, the sprayable formula allows technicians to recreate factory-applied seam appearances commonly found in trunk areas, floor pans, wheel housings, and underbody panels. Once cured, the sealer remains flexible to accommodate panel movement and is paintable to integrate seamlessly into refinishing workflows.
Key Features
- 10.5 oz Cartridge: Designed for spray application with compatible equipment
- MSP (Modified Silane Polymer) Technology: Durable and flexible sealing performance
- Sprayable Formula: Ideal for replicating OEM sprayed seam textures
- Grey Color: Suitable for factory-style seam appearance
- Corrosion Protection: Helps seal joints against moisture intrusion
- Paintable After Cure: Compatible with automotive refinishing processes
- Professional Grade: Trusted in collision repair and restoration facilities
Specifications
| Brand | 3M |
| Part Number | 08374 |
| Product Type | Seam Sealer |
| Series / Line | 3M |
| Country of Origin | USA |
| — PAINT & CHEMICALS — | |
| Volume / Capacity | 10.5 oz |
| — GENERAL — | |
| Unit of Measure | Each |
| Application | Seam Sealing, Panel Bonding, Waterproofing, Corrosion Prevention |
| Safety / PPE Required | Gloves, Safety Glasses, Respirator |





