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🛠️ Don’t let a tiny leak slow you down — upgrade to precision-engineered cooling confidence!
The Dorman 902-404 Coolant Air Bleeder Screw is a premium alloy steel replacement part designed to match the original equipment’s fit and function. Engineered to endure high temperatures and pressures, it undergoes strict quality testing to ensure leak-free, long-lasting performance. Trusted by professionals for over a century, this bleeder screw fits select vehicle models and comes with a limited lifetime warranty, making it a smart upgrade for reliable engine cooling system maintenance.





| ASIN | B009XA8DQ6 |
| Best Sellers Rank | #46,457 in Automotive ( See Top 100 in Automotive ) #6 in Automotive Replacement Wheel Cylinder Bleeder Brake Screws |
| Brand | Dorman |
| Color | Black |
| Compatible Groove Diameter | 0.25 inches |
| Customer Reviews | 4.5 out of 5 stars 436 Reviews |
| Drive System | BLEEDER |
| Exterior Finish | Ready To Paint If Needed |
| Fastener Size | Screws With O-rings |
| Fastener Type | Screw |
| Finish Types | Unpainted |
| Global Trade Identification Number | 00019495366928 |
| Grade Rating | Premium |
| Head Style | Fillister |
| Head Type | Fillister |
| Included Components | Per Item Description |
| Item Diameter | 0.25 inches |
| Item Dimensions | 1.2 x 2.8 x 2.8 inches |
| Item Highlight | Fits Select Models |
| Item Weight | 22.68 g |
| Item dimensions L x W x H | 1.2 x 2.8 x 2.8 inches |
| Manufacturer | Dorman Products |
| Material | Metal |
| Material Type | Metal |
| Metal Type | Alloy Steel |
| Model | 902-404 |
| Number Of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Part Number | 902-404 |
| Point Style | Self-Piercing Point |
| Screw Head Style | Fillister |
| Screw Point Style | Self-Piercing Point |
| Set Screw Thread Type | Unified National Coarse (UNC) |
| Size Name | Stock |
| Thread Class | 2A |
| Thread Coverage | Partially Threaded |
| Thread Size | oem |
| Thread Style | Right Hand |
| Thread Type | Unc |
| UPC | 019495366928 |
| Unit Count | 2 Count |
| Warranty Description | Limited Lifetime Warranty |
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