One New Aftermarket Replacement Fuel Return / Overflow Pipe Assembly Fits Kubota V2203, V2403, V2003 and V1903 Engines For L-Series Tractors: L3940DT/GST/HST, L3940GST-3, L3940HST-3, L3940HSTC, L3940HSTC-3, L4240DT-3, L4240DT/GST/HST, L4240GST-3, L4240HST-3, L4240HSTC, L4240HSTC-3, L4300DT, L4300F, L4310DT-GST-C/HST-C, L4310DT/GST/HST, L4310F, L4330DT/GST/HST(C), L4400DT, L4400F, L4400H, L45, L4600DT, L4600F, L4600H, L4610DT-GST, L4610DT-HST, L4610DT-HST-C, L4630DT/GST(C)/HST, L4740GST-3, L4740GST/HST, L4740HST-3, L4740HSTC, L4740HSTC-3, L48, L5030GST/HST(C), L5040GST, L5040GST-3, L5240HST, L5240HST-3, L5240HSTC, L5240HSTC-3, L5740HST, L5740HST-3, L5740HSTC, L5740HSTC-3 For M-Series Tractors: M4800SU-F, M4800SUD-F, M5140DT, M5140DTC, M5140F, M5140FC, M5140HD, M5140HDC, M5640SU, M5640SUD/SUD-1, M59, MX4700DT, MX4700F, MX4700H, MX5000DT, MX5000F, MX5000SU, MX5100DT, MX5100F, MX5100H For K/KH/KX/U Series Excavators: KX121-2, KX121-2(S SERIES), KX121-3, KX121-3S, KX121-3ST, KX161-2, KX161-2(S SERIES), KX161-3, KX161-3S, KX161-3ST, U45S, U45ST For Diesel Generators: KJ-S150VX-USA, KJ-T210VX-USA, SQ-1200-USA, SQ-3250-USA-SW For R-Series Wheel Loaders: R520, R520S Tech Info: Length: 326 mm Width: 41 mm Height: 6 mm Replaces Part Numbers: 16454-42502