D11B3-A MP; D11B4-A MP Transmissions Trolling Valve ZF D11B3-A MP, D11B4-A MP Parts on group Trolling Valve ZF: Pos. Part No Qty Parts name Comments 1. 3837092 [1] Slip valve Parts catalog : Connecting Components for ZF305-3A-E D11B3-A MP Connecting Components for ZF325IV-E D11B3-A MP Connecting Components IPS2, Flexeble Coupling, Bobtail D11B4-A MP Connecting Components IPS, Jack Shaft, Std Length 370mm D11B4-A MP Connecting Components IPS, Jack Shaft, Length 700-800mm D11B4-A MP Connecting Components IPS, Jack Shaft, Length 1100-1200mm D11B4-A MP Connecting Components IPS, Jack Shaft, Length 1500-1600mm D11B4-A MP Connecting Components IPS, Jack Shaft, Length 1900-2000mm D11B4-A MP