Mercruiser Parts Warehouse & Stern Drive Drawings

Mercruiser manifolds GM 305 327 350 hp. before 1977 parts
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Take the boat to OMC outdrives Johnson outboard
GLM aftermarket Mercruiser manifolds / elbows use with 305 - 327 - 350 (before 1977) V8 GM small block marine engines
  • GLM Marine aftermarket Mercruiser manifolds for use with models: 198 / 228 / 898 / 225 / 255 / 270 GM marine engines.
  • V8 GM small block, fully tuned design will guide exhaust gases directly to elbow without turbulence and back pressure in the meantime, additional 40% water cooling area will decrease the entire manifold body temperature significantly.
  • The tuned design will reduce turbulence and enhance flow for higher and maximum marine engine power.
Model:198 / 228 / 898 / 225 / 255 / 270 GM engine
W Mercruiser manifold elbow GM 305 327 350 V8.jpg
# 51233 Port side # 51234 Starboard side GM 305, 327, 350 V8 (before 1977)

Ref.
GLM #
 OEM numbers
 Manifold descriptions
  Add to cart
1a
51233
47737A10
Mercruiser parts assembly marine engine exhaust manifold (port side)

#51233   $261.96
Cancelled
  

1b
51234
47738A10
Mercruiser parts assembly marine engine exhaust manifold (starboard side)

#51234   $261.96
Cancelled
  

2
31100
27-33395
Mercruiser marine engine exhaust manifold gasket (2 units)

#31100 $11.98
  

3
31490
27- 48043-1
Marine engine exhaust manifold end cap gasket (5 units) 

#31490 $9.98
  

4
31480
27-48042
Gasket-Exhaust elbow (2 units)

#31480 $4.98
    
5
51010
60252A2
End cap

#51010 $26.98
    
8
51196
72963A9
Mercruiser marine engine exhaust elbow

Not available yet
   $182.96
9
51194
76668A3
Mercruiser marine engine exhaust elbow

Not available yet
    $199.96

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