OMC Parts / OMC Cobra Stern Drive Tech Drawings

OMC 800 series GM 305/350 exhaust manifold parts

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GLM aftermarket OMC 800 series GM 305/350 exhaust manifold and elbow parts for use with Chevy marine engines

Small block chevy V8 years 1979 thru 1989
W 800 Series manafold gm 305-350 cid V8 1979-1989.jpg
800 Series manafold gm 305-350 cid V8 1979-1989

Refernce number
GLM number
OEM number
Descriptions
Descriptions
 1
51410
912441

# 51410 OMC manifold 
STDB side

$222.29
 
 

 1A
51420
912442

# 51420 OMC manifold
PORTside

$222.09
   

2
31100
3852468

Gasket-Exhaust Manifold

$11.98
(2 units)
   

3
33810
3850496

Gasket- Exhaust  Elbow
(1 unit)

 

$4.98
 

4
22280
909830

Cap (1 unit)

$5.98
 

5
21791
3853786
Clamp

$4.98
   

6
22487
3852467
Stud

$8.98
2 (units)

7
21248
908700
Nut

$4.98
(5 units)
   

8
21493
309336
Lockwasher

$9.98
(10 units)
   

9
51320
909863
Exhaust Elbow Assembly

$175.09
   

10
21896
315713
Plug

$7.98
2 (units)
 

11
21753
306435
Screw

$4.98
2 (units)
 

12
21496
306325
Lockwasher

$4.98
2 (units)
 

13
89220
912374
Exhaust Hose (Cobra)

$20.98
   

14
89230
3852742
Exhaust Hose (Cobra)

$21.98
   

15
01090
3852604
Clamp

$4.98
2 (units)
 

16
01200
984387
Clamp

$4.98
   

17
50730
909609
Elbow Tube-STDB(Stringer Mount)

 $83.98
   

17A
50740
909610
Elbow Tube-PORT(Stringer Mount)

$62.98

   

18
89221
909232
Exhaust Hose

$37.98
 

19
89223
909371
Exhaust Hose

$23.98