Mercruiser manifolds GM / Ford V6 V8

GLM parts Marine aftermarket Mercruiser manifolds, elbows gasket sets for use with (120-140 hp. 1982 thru 1995) V6-V8 GM small-big block marine engines

GLM Marine aftermarket Mercruiser manifolds are made by " Lost Foam " technology for precise specification and casting quality. They have hot dipped galvanized coating black painted for corrosion resistance.
GLM fully tuned design to reduce back pressure and enhance flow to add increase engine horse power.
Fully tuned design allows manifold to add 30 - 40% water cooling area for longer life.
In the 4" elbow, there are two extra exits at each side to increase water flushing to avoid engine over heating.
In 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.
In V8 GM big block, extra 30% water cooling area will help reduce temperature in port exit area for longer gasket life. The tuned design will reduce turbulence and enhance flow for higher and maximum marine engine power.
Mercruiser manifold gaskets

GLM Marine aftermarket parts

# 51210 Mercruiser manifolds 120 thru 140 hp

51210 manifold bolts, nuts and studs Click here

Click here for GLM Marine aftermarket mercruiser manifolds & parts #51210 120/140hp. 1982 to 1995

Mercruiser Exhaust Manifold

GLM Marine # 51210

Mercruiser Exhaust Manifolds

120, 140 hp.

Years 1982 thru 1995

6 Studs

Mounting gaskets

OEM # 806867A8

#51210 $284.29

# 51212 Manifold Assembly

Model 140 GM 181 CID 4 cyl.1968 to 1982

OEM # 96705A1

# 51212 $320.89

# 51214 Mercruiser Exhaust Manifold Assembly

Model 3.0LX/3.0L GM 181 CID 4cyl. 1990 & After

OEM # 806867A12

# 51214 $365.89

# 51216 Exhaust Manifold Assembly

Model MCM/MIE 470 244 CID 4cyl. 1976 - 1982

OEM # 71527A17

# 51216 $403.96
Discontinued

Model 175/205 V6 1983 to present 229/262 CID

# 51220 Aftermarket Mercruiser Exhaust Manifold # 51140 exhaust elbow

GLM Marine # 51220

Exhaust Manifold (Iron casting)

V6 GM 229/262 CID 1983 - Present

Drain Plug

90 Degree hose fitting

OEM # 99746A17

# 51220 $249.89

Click here for model 165/200 1969 to 1981 parts

# 51224 manifold # 51120 elbow # 51130 elbow GM 250/292 inline 6 cyl.

# 51224 Exhaust Manifold Assembly

Model 165/200 GM 250/292 CID Inline 6cyl. 1969 - 1981

OEM # 58759A14

# 51224 $593.89
Call for availability

Click here for larger picture and manifold parts

# 51230 Manifold drawing GM 305-350 V8 1983 present b

GLM Marine # 51230

Mercruiser Manifolds for V8 GM small block chevy engines

4 Studs

Mounting gaskets

Drain Plug

90 Degree hose fitting

OEM # 860246A10

# 51230 $159.89

Click here for parts and picture layout

# 51237 port side # 51238 starboard side gm V8 1977 to 1982 b

# 51237 Exhaust Manifold Assembly-Port

Model 198-898 GM 305/350 CID V8 S.B 1977-1982

OEM # 77234A7 Not available yet

# 51237 $275.89

# 51238 Manifold Assembly-Starboard

Model 198-898 GM 305/350 CID V8 S.B 1977-1982

OEM # 77234A8

# 51238 $275.89
Not available yet

# 51240 Exhaust Manifold Assembly (Iron Casting)

Model 330 - 370 GM 454 / 502 CID V8 B.B.1981-Present

GM Big Block

Mounting gaskets

Drain Plug

90 Degree hose fitting

OEM # 807078A6

# 51240 $216.89

# 51250 Exhaust Manifold Assembly-Port

Model 215-888 Ford 302/351 CID V8 1977 & Before

OEM # 65604A12

#51250 $240.96
Call for availability

#51252 Exhaust Manifold Assembly-Starboard

Model 215-888 Ford 302/351 CID V8 1977 & Before

OEM # 65603A12

# 51252 $240.96
Call for availability

Click here for more parts and gaskets

# 51260 port side # 51262 starboard side

#51260 Exhaust Manifold port

Model 262/ 4.3 /4.3 liter EFI./4.3LH/4.3LX

V6 1996 TO 2001

OEM # 807294A3

# 51260 $476.96
Call for availability

# 51262 Exhaust Manifold starboard side

Model 262/ 4.3 /4.3 liter EFI./4.3LH/4.3LX

V6 1996 TO 2001

OEM # 807293A2

# 51262 $476.96
Call for availability

Click here for GM 427 454 482 marine engine parts

# 51264 port side # 51266 starboard side GM 427 454 482

# 51264 Exhaust Manifolds - Port

Model 325/330/350/400 GM 427/454/482 CID V8 B.B 1968 - 1986

OEM # 47735A17

# 51264 $439.89
Call for availability

# 51266 Aftermarket Mercruiser manifolds - starboard side

Model 325/330/350/400 GM 427/454/482 CID V8 B.B 1968 - 1986

OEM # 47736A17

# 51266 $544.89

omc@sterndrive.info

Do you need tech help drawing?

International Shipping Rates Click Here

Money Orders Credit Cards PayPal USA Bank Transfer

Order On-line 24 - 7 with PayPal

Credit Card Orders Click Here

Add your boating web site URL

Boating Links on the Web

9:30am - 5pm (416) 751-7326 Toll free number (877) 652-7278 Core trade-in shipping address, outdrive repair and Mercruiser parts