Home / Shop / Home / PWC / AIR / INTAKE / REPLACEMENT CARBURETOR PARTS / MBN40I/22 Accelerator Pump Diaphragm I-Carb MBN40I/22 Accelerator Pump Diaphragm I-Carb$18.21 Mikuni accelerator pump diaphragm. MBN40I/22 Accelerator Pump Diaphragm I-Carb quantity Add to cart SKU: MBN40I/22 Category: REPLACEMENT CARBURETOR PARTS Tags: Accelerator, Diaphragm, Pump Description Additional information Description Mikuni accelerator pump diaphragm. Mikuni # BN40I/22 Additional information Weight 0.5 lbs Dimensions 1 × 6 × 8 in Related products MBN34/101 Mikuni Damper Gasket (Diagram Part 6) $4.96 Add to cart Mikuni SBN Carburetor Manual $4.19 Add to cart Inline Fuel Filter 1/4″ $6.95 Add to cart MBN34/120-30 Mikuni Pulse Plate Screw (Diagram Part 17) $2.77 Add to cart