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APS Oil Drain Back Tubes for Lycoming Engines

APS FAA/PMA-approved oil drain back tubes are a direct replacement for Lycoming tubes. These tubes are intended for certified and experimental applications.

Engine
Eligibility
Lycoming
Part Number
Part
Number
TIO-540-A1A,A1B,A2A,A2B,A1C,A2C,C1A,E1A,F2BD,G1A,H1A,J2B,J2BD,K1AD,N2BD,R2AD,S1AD,T2AD,U2A,V2AD,W2A,AA1AD,AB1AD, AB1BD,AE2A,AF1A,AF1B,AG1A,AH1A,AJ1A,AK1A; LTIO-540-F2BD,J2B,J2BD,K1AD,N2BD,R2AD,U2A,V2AD,W2A LW-11935 APS-11935
O-320-A1A,A1B,A2A,A2B,A2C,A2D,A3A,A3B,A3C,B1A,B1B,B2A,B2B,B2C,B3A,B3B,B3C,B2D,B2E,C1A,C1B,C2A,C2B,C2C,C3A,C3B,C3C, D1A,D1B,D1C,D1D,D1F,D2A,D2B,D2C,D2F,D2G,D2H,D2J,D3G,E1A,E1B,E1C,E1F,E1J,E2A,E2B,E2C,E2D,E2F,E2G,E2H,E3D,E3H,H1AD,H1BD,H2AD,H2BD,H3AD,H3BD; IO-320-A1A,A2A,B1A,B1B,B1C,B1E,B1D,B2A,C1A,C1B,D1A,D1C,D1B,E1A,E1B,E2A,E2B,F1A; LIO-320-B1A, C1A; AIO-320-A1A,A1B,A2A,A2B,B1B,C1B; AEIO-320-D1B,D2B,E1A,E1B,E2A,E2B; O-340-A1A,A2A,B1A; AEIO-360-B1B,B1D,B1F,B1F6, B1G6,B1H,B2F,B2F6,B4A,H1A,H1B; HIO-360-B1A,B1A; HO-360-A1A,B1A,B1B,C1A; IO-360-B1A,B1B,B1C,B1D,B1E,B1F,B1F6,B1G6,B2E,B2F, B2F6,B4A,E1A,F1A,L2A,M1B,MIA; LIO-360-M1A; LO-360-A1G6D,A1H6,E1A6D,E1AD, E1BD,E2AD,E2BD; O-360-A1A,A1AD,A1C,A1D,A1F6, A1F6D,A1G,A1G6,A1G6D,A1H,A1H6,A1LD,A1P,A2A,A2D,A2E,A2F,A2G,A2H,A3A,A3AD,A3D,A4A,A4AD,A4D,A4G,A4J,A4K,A4M,A4N,A4P,A5AD,B1A,B1B,B2A,B2A,B2B,B2C,C1A,C1C,C1E,C1F,C1G,C2A,C2A,C2C,C2C,C2D,C2E,C4F,C4P,D2A,D2A,D2B,E1A6D,E1AD,E1BD,E2AD,E2BD,F1A6,G1A6,J2A; AEIO-540-D4A5,D4B5,D4C5,D4D5; IO-540-AB1A5,C1B5,C4B5,C4B5D,C4C5,C4D5,C4D5D,D4A5,G1A5,J4A5,K1E5, L1C5,M1B5D,N1A5,R1A5,S1A5,T4A5D,T4B5,T4B5D,T4C5D,V4A5D,W1A5D; LTIO-540-F2BD,J2B,J2BD,K1AD; O-540-A1A,A1A5,A1B5,A1C5, A1D,A1D5,A2B,A3D5,B1A5,B1B5,B2B5,B2B5,B2C5,B2C5,B4B5,B4B5,E4A5,E4A5,E4B5,E4B5,E4C5,E4C5,F1B5,G1A5,G1A5,G2A5,H1B5D,H2B5D,J1A5D,J3A5,J3A5D,J3C5D,L3C5D,W1A5,W1A5D,W3A5D; TIO-540-AA1AD,AB1AD,AF1A,AG1A,AH1A,AJ1A,AK1A,C1A,E1A,F2BD,G1A, H1A,J2B,J2BD,K1AD,N2BD,R2AD,S1AD,T2AD,W2A 68759 APS-68759
O-320-A1A,A1B,A2A,A2B,A2C,A2D,A3A,A3B,A3C,B1A,B1B,B2A,B2B,B2C,B2D,B2E,B3A,B3B,B3C,C1A,C1B,C2A,C2B,C2C,C3A,C3B,C3C, D1A,D1B,D1C,D1D,D1F,D2A,D2B,D2C,D2F,D2G,D2H,D2J,D3G,E1A,E1B,E1C,E1F,E1J,E2A,E2B,E2C,E2D,E2F,E2G,E2H,E3D,E3H,H1AD,H1BD,H2AD,H2BD,H3AD,H3BD; IO-320-A1A-A2A-B1A,B1B,B1C,B1D,B1E,B2A,C1A,C1B,D1A,D1B,D1C,E1A,E1B,E2A,E2B,F1A; LIO-320-B1A, C1A; AIO-320-A1A,A1B,A2A,A2B,B1B,C1B; EIO-320-D1B,D2B,E1A,E1B,E2A,E2B; O-340-A1A,A2A,B1A; AEIO-360-B1B,B1D,B1F,B1F6,B1G6, B1H,B2F,B2F6,B4A,H1A,H1B; HIO-360-B1A,B1A; HO-360-A1A,B1A,B1B,C1A; IO-360-B1A,B1B,B1C,B1D,B1E,B1F,B1F6,B1G6,B2E,B2F,B2F6, B4A,E1A,F1A,L2A,M1A,M1B; LIO-360-M1A; LO-360-A1G6D,A1H6,E1A6D,E1AD,E1BD,E2AD,E2BD; O-360-A1A,A1AD,A1C,A1D,A1F6,A1F6D, A1G,A1G6,A1G6D,A1H,A1H6,A1LD,A1P,A2A,A2D,A2E,A2F,A2G,A2H,A3A,A3AD,A3D,A4A,A4AD,A4D,A4G,A4J,A4K,A4M,A4N,A4P,A5AD, B1A,B1B,B2A,B2B,B2C,C1A,C1C,C1E,C1F,C1G,C2A,C2C,C2D,C2E,C4F,C4P,D2A,D2B,E1A6D,E1AD,E1BD,E2AD,E2BD,F1A6,G1A6,J2A 68760 APS-68760
O-320-A1A,A1B,A2A,A2B,A2C,A2D,A3A,A3B,A3C,B1A,B1B,B2A,B2B,B2C,B2D,B2E,B3A,B3B,B3C,C1A,C1B,C2A,C2B,C2C,C3A,C3B,C3C, D1A,D1B,D1C,D1D,D1F,D2A,D2B,D2C,D2F,D2G,D2H,D2J,D3G,E1A,E1B,E1C,E1F,E1J,E2A,E2B,E2C,E2D,E2F,E2G,E2H,E3D,E3H,H1AD,H1BD,H2AD,H2BD,H3AD,H3BD; IO-320-A1A-A2A-B1A,B1B,B1C,B1D,B1E,B2A,C1A,C1B,D1A,D1B,D1C,E1A,E1B,E2A,E2B,F1A; LIO-320-B1A, C1A; AIO-320-A1A,A1B,A2A,A2B,B1B,C1B; AEIO-320-D1B,D2B,E1A,E1B,E2A,E2B; O-340-A1A,A2A,B1A; AEIO-360-B1B,B1D,B1F,B1F6, B1G6,B1H,B2F,B2F6,B4A,H1A,H1B; HIO-360-A1A,B1A,B1B,C1A; IO-360-B1A,B1B,B1C,B1D,B1E,B1F,B1F6,B1G6,B2E,B2F,B2F6,B4A,E1A, F1A,L2A,M1A,M1B; LIO-360-M1A; LO-360-A1G6D,A1H6,E1A6D,E1AD,E1BD,E2AD,E2BD; O-360-A1A,A1AD,A1C,A1D,A1F6,A1F6D,A1G, A1G6,A1G6D,A1H,A1H6,A1LD,A1P,A2A,A2D,A2E,A2F,A2G,A2H,A3A,A3AD,A3D,A4A,A4AD,A4D,A4G,A4J,A4K,A4M,A4N,A4P,A5AD,B1A, B1B,B2A,B2B,B2C,C1A,C1C,C1E,C1F,C1G,C2A,C2C,C2D,C2E,C4F,C4P,D2A,D2B,E1A6D,E1AD,E1BD,E2AD,E2BD,F1A6,G1A6,J2A; AEIO-540-D4A5,D4B5,D4C5,D4D5; IO-540-AB1A5,C1B5,C4B5,C4B5D,C4C5,C4D5,C4D5D,D4A5,G1A5,J4A5,K1E5,L1C5,M1B5D,N1A5,R1A5,S1A5, T4A5D,T4B5,T4B5D,T4C5D,V4A5D,W1A5D; LTIO-540-F2BD,J2B,J2BD,K1AD; O-540-A1A,A1A5,A1B5,A1C5,A1D,A1D5,A2B,A3D5,B1A5, B1B5,B2B5,B2C5,B4B5,E4A5,E4B5,E4C5,F1B5,G1A5,G2A5,H1B5D,H2B5D,J1A5D,J3A5,J3A5D,J3C5D,L3C5D,W1A5,W1A5D,W3A5D; TIO-540-A1A,A1B,A1C,A2A,A2B,AA1AD,AB1AD,AF1A,AG1A,AH1A,AJ1A,AK1A,C1A,E1A,F2BD,G1A,H1A,J2B,J2BD,K1AD,N2BD,R2AD,S1AD, T2AD,W2A 68761 APS-68761
AEIO-540-D4A5,D4B5,D4C5,D4D5; IO-540-AB1A5,C1B5,C4B5,C4B5D,C4C5,C4D5,C4D5D,D4A5,D4A5,G1A5,J4A5,K1E5,L1C5,M1B5D,N1A5, R1A5,S1A5,T4A5D,T4B5,T4B5D,T4C5D,V4A5D,W1A5D; LTIO-540-F2BD,J2B,J2BD,K1AD; O-540-A1A,A1A5,A1B5,A1C5,A1D,A1D5,A2B, A3D5,B1A5,B1B5,B2B5,B2C5,B4B5,E4A5,E4B5,E4C5,F1B5,G1A5,G2A5,H1B5D,H2B5D,J1A5D,J3A5,J3A5D,J3C5D,L3C5D,W1A5,W1A5D,W3A5D; TIO-540-AA1AD,AB1AD,AF1A,AG1A,AH1A,AJ1A,AK1A,C1A,E1A,F2BD,G1A,H1A,J2B,J2BD,K1AD,N2BD,R2AD,S1AD,T2AD,W2A 71737 APS-71737
AEIO-360-A1A,A1B,A1B6,A1C,A1D,A1E,A1E6,A2A,A2B,A2C; AIO-360-A1A,A1B,A2A,A2B,B1B; IO-360-A1A,A1B,A1B6,A1B6D,A1C,A1D,A1D6, A1D6D,A2A,A2B,A2C,A3B6,A3B6D,A3D6D,C1B,C1C,C1C6,C1D6,C1E6,C1E6D,C1F,C1G6,D1A,J1A6D,J1AD,K2A; LIO-360-C1E6; TIO-360-A1A,A1B,A3B6; AEIO-540-L1B5,L1B5D,L1D5; HIO-540-A1A; IO-540-A1A5,AA1A5,AA1B5,AE1A5,B1A5,B1B5,B1C5,E1A5,E1B5,G1A5,G1B5, G1C5,G1D5,G1E5,G1F5,K1A5,K1A5D,K1B5,K1C5,K1D5,K1E5,K1F5,K1F5D,K1G5,K1G5D,K1J5,K1J5D,K1K5,K2A5,L1B5D,M1A5,P1A5; LTIO-540-N2BD,R2AD,U2A; TIO-540-A1A,A1B,A1C,A2A,A2B,A2C,AE2A,U2A; AEIO-580-B1A; IO-580-A1A,B1A 72702 APS-72702
AEIO-360-A1A,A1B,A1B6,A1C,A1D,A1E,A1E6,A2A,A2B,A2C; AIO-360-A1A,A1B,A2A,A2B,B1B; HIO-360-A1A,A1B,C1A,C1B,D1A,E1AD,E1BD, F1AD; IO-360-A1A,A1B,A1B6,A1B6D,A1C,A1D,A1D6,A1D6D,A2A,A2B,A2C,A3B6,A3B6D,A3D6D,C1A,C1B,C1C,C1C6,C1D6,C1E6,C1E6D, C1F,C1G6,D1A,J1A6D,J1AD,K2A; LIHO-360-CIA,CIB,F1AD; LIO-360-C1E6; TIO-360-A1A,A1B,A3B6; AEIO-540-L1B5,L1B5D,L1D5; HIO-540-A1A; IO-540-A1A5,AA1A5,AA1B5,AE1A5,B1A5,B1B5,B1C5,E1A5,E1B5,G1A5,G1B5,G1C5,G1D5,G1E5,G1F5,K1A5,K1A5D,K1B5,K1C5,K1D5, K1E5,K1F5,K1F5D,K1G5,K1G5D,K1J5,K1J5D,K1K5,K2A5,L1B5D,M1A5,P1A5; LTIO-540-N2BD,R2AD,U2A; TIO-540-A2C,AE2A,U2A; AEIO-580-B1A; IO-580-A1A,B1A 72703 APS-72703
AEIO-360-A1A,A1B,A1B6,A1C,A1D,A1E,A1E6,A2A,A2B,A2C; AIO-360-A1A,A1B,A2A,A2B,B1B; HIO-360-A1A,A1B,C1A,C1B,D1A,E1AD,E1BD, F1AD; IO-360-A1A,A1B,A1B6,A1B6D,A1C,A1D,A1D6,A1D6D,A2A,A2B,A2C,A3B6,A3B6D,A3D6D,C1A,C1B,C1C,C1C6,C1D6,C1E6,C1E6D, C1F,C1G6,D1A,J1A6D,J1AD,K2A; LIHO-360-CIA,CIB,F1AD; LIO-360-C1E6; TIO-360-A1A,A1B,A3B6; AEIO-540-L1B5,L1B5D,L1D5; HIO-540-A1A; IO-540-A1A5,AA1A5,AA1B5,AE1A5,B1A5,B1B5,B1C5,E1A5,E1B5,G1A5,G1B5,G1C5,G1D5,G1E5,G1F5,K1A5,K1A5D,K1B5,K1C5,K1D5, K1E5,K1F5,K1F5D,K1G5,K1G5D,K1J5,K1J5D,K1K5,K2A5,L1B5D,M1A5,P1A5; LTIO-540-N2BD,R2AD,U2A; TIO-540-A1A,A1B,A1C,A2A,A2B, A2C,AE2A,U2A; AEIO-580-B1A; IO-580-A1A,B1A 73027 APS-73027
AEIO-360-A1A,A1B,A1B6,A1C,A1D,A1D6,A1E,A1E6,A2A,A2B,A2C,A2E,A3B6D; AIO-360-A1A,A1B,A2A,A2B,B1B; IO-360-A1A,A1B,A1B6,A1B6D,A1C,A1C6,A1D,A1D6,A1D6D,A2A,A2B,A2C,A3B6,A3B6D,A3D6D,C1A,C1B,C1C,C1C6,C1D6,C1E6,C1E6D,C1F,C1G6,D1A,J1A6D,J1AD,K2A; LIO-360-C1E,C1E6,C1E6D; TIO-360-A1A,A1B,A3B6; IO-390-A1A6,A3A6,A1B6,A3B6 74808 APS-74808