COOLANT GRILLE OIL SYSTEM I 3 1 516A TUBE GUIDE HOSE PIN SEAL SUPPORT Oil Level Con t 68 Sub w Roof Mounted A C 292 3973293 1 68 Ser 10 thru 30 292 exc J C A C H D Cooling D D 68 Sub w Roof Mtd A C 292 69 70 Ser 10 thru 30 292 exc C A C Roof Mtd A C 71 72 Ser 10 thru 30 292 exc D D 3918432 I 68 69 G 10 w A T 8 cyl 4 A 68 69 G 20 Sub w A T 8 cyl I V 70 F G 10 307 3924545 1 68 72 All 396 400 exc M H C I 3928901 1 i r 69 72 Ser 10 D D w steel body 3957452 1 70 72 Ser 20 30 D D 8 cyl exc M H C T 3982905 1 71 72 G 10 20 30 8 cyl exc floor I mtd A C 3976213 1 71 72 G 10 20 30 w floor mtd A C 3993349 71 72 Ser 30 D D w M H C exc A 400 3993303 1 V V i 71 72 Ser 30 D D w M H C 400 3993376 1 TUBE ASSY 1 71 72 Ser 20 30 D D 292 3982976 1 TUBE ASSY 71 72 G 10 20 30 250 71 72 Ser 20 30 D D 250 3993335 1 TUBE ASSY 72 Ser 10 20 4 WD Blazer K 307 3 50 3993382 1 TUBE ASSY 72 Ser 10 20 30 Conv Blazer I C 307 350 3993359 1 TUBE ASSY I 67 70 Ser 20 30 D D 3 53 5121062 1 GUIDE oil gauge All All 3837057 1 PIN gauge tube hole 0 D X long solid All All 274244 1 SEAL tube O D x R l D 8 955 71 72 G 10 20 30 8 cyl exc floor mtd A C 3976210 1 SUPPORT gauge tube 71 72 G 10 20 30 w floor mtd A C 330593 1 SUPPORT gauge tube 71 72 Ser 10 D D w steel body 3957451 1 SUPPORT gauge tube 71 Ser 20 30 D D 8 cyl exc I M H C 3982906 V1 SUPPORT gauge tube L 70 Ser 20 30 D D 8 cyl 3982906 1 SUPPORT ASSY ga uge tube 1 519 PIPE Oil V NOTE 1 Bulk copper tubing in coils listed in Group 8 964 fittings in Group 8 963 NOTE 2 See Group 1 531 for rocker arm oil pipe and connector NOTE 3 For all other models with Oil Pressur Gauge cut from pipe listed in Group 8 964 55 62 All 6 cyl 2nd Ser 63 4 WD 6 cyl 1st Ser 3705400 1 I delivery 7 dev length 1 531 FITTINGS Also see Group 8 963 r OIL PIPE r NOTE 1 Required when any 1959 6 cyl block or short motor is installed in 1 955 58 models Reduces full pressure oiling to restrict flow Also requires BOLT 3764578 in group 0 293 at right hand center bolt location i 38 61 All 6 cyl PLUG oil press pipe in block n 0 D 63 68 All exc 8 cyl 71 72 G 10 20 30 6 cyl 3835577 A R block main oil gallery frt hole 0 034 55 70 All Blazer 8 cyl exc 396 A 71 72 All Blazer 307 350 I 3701638 A R PLUG oil pressure and tappet gallery cyl and case oil gallery hole at frt end and I oil filter cavity dia cup shape 61 62 All 6 cyl I 444782 2 PLUG oil gallery hole 18 thd I sq socket 8 971 63 72 All Blazer 4 6 cyl 3930824 1 PLUG oil pressure regular hole 66 70 Ser 10 thru 30 w Amp oil press and temp gauges 8 cyl exc 396 68 70 G 10 20 w gauges 8 cyl 68 72 Ser 20 30 D D 8 cyl 71 72 Ser 30 FFC 8 cyl 71 72 All Blazer w Tech gauges 8 cyl excl 400 3853958 1 CONNECTOR oil press gauge pipe engine end 1 67 70 All 3 53 51 19425 1 FLANGE oil pump inlet tube 1 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL REV 5 79 1 43 1 516 1 531