Part Number = 73_2308 -- Reference Number -- 6 -- Walk assembly-engine cowl, R670, R680, PT-13, PT-17, N2S-4, N2S-5

Part Number = 75_2314 -- Reference Number -- 1 -- Support assembly-upper engine cowl, PT-13, PT-17, N2S-4, -5

Part Number = 75_2422_1 -- Reference Number -- 3 -- Ring section-engine cowl support attach, R680, PT-13, N2S-5

Part Number = 75_2422_2 -- Reference Number -- 4 -- Ring section-engine cowl support attach, R680, PT-13, N2S-5

Part Number = 75_2422_3 -- Reference Number -- 5 -- Ring section-engine cowl support attach, R680, PT-13, N2S-5

Part Number = 75_2423 -- Reference Number -- 7 -- Cowl assembly-upper side engine, LH, R670, R680, PT-13, PT-17, N2S-4, N2S-5

Part Number = 75_2423_1 -- Reference Number -- 8 -- Cowl assembly-upper side engine, RH, R670, R680, PT-13, PT-17, N2S-4, N2S-5

Part Number = 75_2427 -- Reference Number -- 13 -- Grommet-elastic for A75N1-2304 cowl, 1 required

Part Number = A75N1_2303 -- Reference Number -- 10 -- Door assembly-engine cowl side, RH, R680, PT-13, N2S-5

Part Number = A75N1_2304 -- Reference Number -- 12 -- Cowl assembly-bottom engine, R670, PT-17, N2S-4

Part Number = AG75_2315 -- Reference Number -- 2 -- Support assembly-lower engine cowl, PT-13, PT-17, N2S-4, -5

Part Number = AG75_2423 -- Reference Number -- 7 -- Cowl assembly-upper side engine, LH, R670, R680, PT-13, PT-17, N2S-4, N2S-5

Part Number = AG75_2423_1 -- Reference Number -- 8 -- Cowl assembly-upper side engine, RH, R670, R680, PT-13, PT-17, N2S-4, N2S-5

Part Number = AG75_2424 -- Reference Number -- 10 -- Door assembly-engine cowl side, LH, R680, PT-13, N2S-5

Part Number = AG75_2424_1 -- Reference Number -- 11 -- Door assembly-engine cowl side, RH, R670, PT-13, PT-17, N2S-4, N2S-5

Part Number = AG75_2424_1B -- Reference Number -- 11 -- Door assembly-engine cowl side, RH, R670, PT-13, PT-17, N2S-4, N2S-5

Part Number = AG75_2424B -- Reference Number -- 10 -- Door assembly-engine cowl side, LH, R680, PT-13, N2S-5

Part Number = AG75N1_2303 -- Reference Number -- 10 -- Door assembly-engine cowl side, RH, R680, PT-13, N2S-5

Part Number = E75_2309 -- Reference Number -- 12 -- Cowl assembly-bottom engine, R680, PT-13, N2S-5

Part Number = E75_2310_1 -- Reference Number -- 9 -- Grommet-for 75-2423-1 cowl

Part Number = E75_2310_2 -- Reference Number -- 13 -- Grommet-elastic for E75-2309 cowl, 1 required