Diagrams:

Fittings and Retainer
(click to enlarge)

B1949	68-74	CLAMP SET - water pump bypass hose, 427/454, (pr)	9.85
B5138	68-71	FITTING - "T", heater hose	17.85
A5156	68-80	FITTING - heater hose on intake manifold, 1/2" NPT	14.00
B5120	68-82	FITTING - heater hose, 68-72 w/AC, 73-82 all, correct	15.05
B2092	68-72	FITTING - water pump, for heater hose, w/o AC, replacement	15.25
B2095	68-74	HOSE - bypass, intake to water pump 427/454	8.95
B2033	68	HOSE - bypass, intake to water pump, w/427 & A.I.R. #3882829	22.45
C5150	68-82	HOSE - heater, 3/4" w/90 degree molded end on all AC cars	33.65
C5151	68-82	HOSE - heater, 5/8" w/90 degree molded end on all AC cars	28.05
B2063	68-79	HOSE KIT - heater, w/GM logo, white & red logos, 68-69 all, 70-79 w/o AC	66.65
B2062	68-69	PIPE - water pump & intake man. bypass pipe, 396/427 except A.I.R	10.95

Heater Hose & Fittings