68 69 Ser 20 30 D D w A I R 8 cyl 69 Ser 10 thru 30 w Air Cond 70 All Blazer 8 cyl exc D D 3932448 1 50 exh manifold R H No 1 and No 2 front holes 6 X 4V 69 Ser 10 thru 30 307 350 exc D D 4 WD right hand exhaust manifold five hole 18 16 X 2 70 Ser 10 thru 30 396 3774029 1 1 45 L H inlet manifold No 1 hole R H exh manifold No 5 hole 70 G 10 307 3776391 1 25 inlet manifold R H No 4 hole 70 All Blazer 3959570A R 15 18 24 x 1 V1 3 288 70 Ser 10 thru 30 396 3959168 1 30 right inlet manifold No 3 hole 16 18 x 2 V4 38 70 All Blazer 3909830 A R 20 BOLT at end holes 16 x 2V 38 70 All Blazer 3733130 A R 20 BOLT at end holes 16 x 2 300M steel 55 56 All 8 cyl 70 Ser 10 thru 30 Blazer w Air Cond 3836646 12 20 BOLT 16 x 1 300M steeI circIe on head 57 68 All 283 307 327 exc 130 amp 70 Ser 10 thru 30 Blazer 307 350 3733134 4 25 BOLT at ctr holes 16 x 2 2 300M steel 8 900 67 69 Ser 10 thru 30 8 cyl 3814869 1 30 BOLT air cond compressor support 16 x 2 V 32 66 Ser 10 w A R exc D D 67 Ser 10 20 w A l R 8 cyl 68 69 Ser 10 w Air Cond exc P G T H 400 396 69 Blazer exc A T 70 Ser 10 thru 30 8 cyl 3841724 1 40 BOLT exch manif at 3rd right hole 16 x 3 V I 32 4 68 70 Ser 10 thru 30 396 3909821 A R 20 BOLT exh manifold 16 x 1 62 70 2 cyc Diesel 5188273A R 17 WASHER exhaust manifold 3 278 Cf 2NNECTOR ADAPTER FlTTING STUD TEE Manifold Vacuum Take 0 46 53 Comm exc D D 54 55 All 6 cyl 1st Ser 55 60 All 6 cyl 2nd Ser exc D D 3682936 1 2 way for V hose 16 066 55 57 Ser 3 8 cyl 3724144 1 75 18 pipe thd w ext brass 16 066 57 58 Ser 3 w P B 65 66 Ser 20 30 FFC 327 3833265 1 65 air bleeder hose 1 097 67 70 Ser 10 thru 30 3871227 1 1 65 ADAPTER inlet manifold fitting 7 447 68 69 Ser 10 thru 30 Brake Booster w A T 6 cyl 69 Blazer Brake Booster w A T 6 cyl exc C A C 3922983 1 1 45 FITTING vac inlet manifold 4 931 68 69 Ser 10 thru 30 w gov 533688 1 15 FITTING gov to carb hose 58 59 Ser 3 8 cyl 60 62 Ser 10 thru 30 8 cyl 3749170 1 40 STUD hollow 18 24 x 1V2 w long vac hose take off 3 288 66 Ser 10 D D w A l R 3792331 1 1 65 TEE cont valve to inlet manifold 3 820 67 Ser 10 D D w A l R 3906479 1 6 15 TEE cont valve to inlet manifold 3 820 66 69 Ser 10 thru 30 3891523 1 85 TEE ASSY inlet mfld 2 way for V4 hose 7 447 66 68 Ser 10 thru 30 G 10 20 3891525 1 65 TEE ASSY vac inlet manifold one hose take off and one V4 hose take off 18 thds 7 447 67 Ser 10 thru 30 3891526 1 75 TEE ASSY vac inlet manifold 18 thd and hose take off 7 447 67 70 Ser 10 thru 30 Blazer 3891524 1 65 TEE ASSY vac inlet manifold 18 thds and two V hose take offs 7 447 68 69 Ser 10 thru 30 w Air Cond 3794176 1 1 65 TEE ASSY vac inlet manifo d 9 198 70 G 10 thru 30 Ser 10 thru 30 70 Blazer 3891528 1 1 45 TEE ASSY 18 pipe thds hose take off 7 447 70 All Blazer 3989020 1 45 TEE ASSY 4 931 70 Blazer w Brake Booster 6 cyl 70 Ser 10 thru 30 w Brake Booster 6 cyl 3794177 1 1 40 TEE ASSY 1 V z O L 1 745 i 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31 3 275 3 278 3 12 REV 6 71