Replacement number: Briggs & Stratton 398188 281144 299096 394681 Suitable for 5HP 6HP vertical and 3.5HP 5HP Industrial Plus engines New aftermarket 20-piece carburetor floating valve needle seat Suitable for Briggs & Stratton 398188 281144 299096 394681 83400 5HP vertical 3.5HP 5HP industrial engine Colour: as shown Material: ABS Package Contents: 20 * Floating valve needle seat Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.