BRAKES 50 60 65 4 680 HOSE HYDRAULIC BRAKE ALSO SEE RPO N0 J 4 6125 Con t 1 1 2030694 CE Hyd Pump Reservoir Return Line 1 00 ID 1 32 OD x 12 Lg W Hyd Spring Parking Brk W Fiberglass Hood Fenders Eff w 1978 AR AR AR 9757641 CD CE CG CM CS CY ME ME65 SE SG SM SS TE TG TM Rr Brake 20 Male End 24 Female End 17 12 Long Std 2 Reqd on SE SG SM 60 ME65 C Models w Dual Brake System Also Used w Hyd Cyl Lines RepI 9754071 AR AR AR 723400 CD CE CS CY ME65 SE SS TE Weatherhead 000 12682 O3 Rr Brake Std 49 OD I 20 Thd One End I 24 Thd Other End 17 12 Lg Eff w 1974 2nd Design 1 1 9757641 CE Rr Brk to Rr Axles 49 OD I 20 Thd One End I 24 Thd Other End 17 12 Lg W Hyd Spring Parking Brk Eff w 1978 1 1 2048185 CE Rear 8rk 84 25 Lg HIgh Temp IncI Fittings W Hy Park Brk Eff 1978 1 1 2048188 CE Rear Brk 76 50 Lg High Temp IncI Fittings W Hy Park Brk Eff 1978 1 1 2048189 CE Rear Brk 72 00 Lg High Tempelncl Fittings W Hy Park Brk Eff 1978 1 1 2048190 CE Rear Brk 56 5O Lg High Temp lncI Fittings W Hy Park Brk Eff 1978 2 9762564 ME Flr Brk Std Eff w 1978 2 9763296 ME Rr Brk Std Eff 1978 2nd Design 1 723400 ME Weatherhead Rr Brk Frt Unit 49 OD 20 Thd One End 24 Thd Other End 17 12 Lg W 3400 Rr Ax e Eff w 1978 1 9757641 ME n and Rr Brk Frt Unit 49 OD 20 Thd One End I 24 Thd Other End 17 12 Lg Opt w 723400 W 3400 Rr Ax e Eff w 1978 1 9754071 CE CS Rr Axle Hose Frame Brkt to Tee on Axle 20 Male End Z4 Int Thd Ret Ring End 17 Long RepI 3910726 2 2 9758637 CE CS Frt Brake H0se W Frt Disc Brakes Eff w 1975 1 1 713007 CE Hyd Supply or Diverter Valve to Hyd Pump Return Line W Hyd Spring Parking Brk Eff w 1978 1 1 1 713007 CE Hyd Pump Outlet Upper to Lower Line W Trac Pac Brk 1 713007 CE SE Hyd Cyl Outlet Upper to Lower Line 1976 2nd Design 1 793090 SE Hyd Cyl Inlet Upper Line Eff w 1976 2nd Design Canadian Models Only 1 1 707673 TE w 366 427 Eng Reservoir to Hyd Cyl Pump Eff w 1974 AR AFI AR 8884503 CE CG CM Pump Reservoir ID 1 OD x 10 Ft Lg CTL 2 2 9756538 TE TG TM Hyd Cyl Cab Junction Plate to Frame Junction Plate Primary Secondary 49O OD la 24 Both Ends 21 896 Lg Prior to 1974 2nd Design 2 2 9757646 TE Hyd Cyl Cab Junction Plate to Frame Junction Plate Primary Secondaryo 490 OD 24 Thd Fittings Both Ends 21 896 Lg Eff w 1974 2nd Design 1 1 9753995 TE TG TM Master Cyl to Vac Cyl Upper to Lower Line Std 490 OD 20 Thd Fittings Both Ends 14 25 Lg Prior to 1974 2nd Design 1 1 723744 TE Weatherhead 153 57055 Master Cyl to Vac Cyl Upper to Lower Line Std 49O OD z 20 Thd Fittings Both Ends 14 25 Lg 1974 Znd Design 1975 1st Design Opt w 9757644 1 1 2004639 TE Weatherhead Master Cyl to Vac Cyl Upper to Lower Line Std r ID z 20 Thd Fittings Both Ends I4 50 Lg Eff w 1974 2nd Design RepI 9757644 2 2 2004641 TE TG TM Weatherhead Frt Brake RH LH Std ID Hose r 20 One End 1 24 w Inverted Seat Other End 26 39 Lg Prior to 1978 Opt w 975B464 RepI 723399 2 2 9758464 TE ln and Frt Brake RH LH Std 1975 2nd Design 1976 7 Opt w 2004641 D 2 2 9761249 TE Inland Frt Brk Std ID 14 One End l 24 Other End Overall Lgth 23 15 Eff w 1978 Opt w 2035321 2038405 t i WAREHOUS NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION 78TM 4 680 4 680 4 124 N S reference only Added this issue AR PART