OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives
OMC exhaust manifold 4.3, 5.0, 5.7 liter
Engine manifolds, elbows - risers, bellows 4.3L V6 5.0L / 5.7 liter 260 V8 GM 800 / Cobra applications
Last updated on 10/17/2023
- Exhaust manifolds for OMC Cobra and 800 models
- Available for GM 262 4.3L V6 and 4 cylinder motors
- GM 5.0L, 5.7L 305/350 CID V8 small block center rise replacements
- Conversion kits for older Ford V8 ‘log style
- Exhaust bellows, risers, elbows and gaskets
- Ships to United States, Canada, Australia and International
- Click here for Mercruiser V6 and V8 GM manifolds
OMC Exhaust Manifold 4.3, 5.0, 5.7 liter
OMC Cobra – GM 5.0 / 5.7 liter 305-350 V8 (1989 and up)
Volvo Penta 307-350 V8 (1994 and up)
58430 Manifold kit
$877 US
$1549.89 CDN
P/N 58430 Complete GM V8 set with standard riser.
Included
P/N 51430 Cast iron manifold assembly / 3857723 x 2
P/N 51330 Standard height riser / 3857944 x 2
P/N 31100 Mounting gasket / 27-33395 x 2
P/N 33810 Elbow gasket / 909786 x 2
P/N 13991 Elbow fitting / 3852538 x 2
P/N 13992 Drain plug / 806608A02 x 2
P/N 80140 O-ring for plug / 25-45253 x 2
P/N 22391 Screw / 3852830 x 8 P/N 21248
P/N 13983 Reducer / x 2
Compatible with:
GM V8, 305 and 350, 5.0L / 5.7L (1989 and up)
Volvo V8, 307 and 350 CID, 5.0L / 5.7L (1994 and up)
51430-51330
$484 US
$ 412.89 CDN
P/N 51430-51330 GM V8 set with standard riser. For port or starboard. Replaces 3857723, 3857944.
Included
P/N 51430 Cast iron assembly / 3857723 x 1
P/N 51330 Riser / 3857944 x 1
P/N 31100 Mounting gasket / 27-33395 x 1
P/N 33810 Elbow gasket / 909786 x 1
P/N 13991 Elbow fitting / 3852538 x 1
P/N 13992 Drain plug / 806608A02 x 1
P/N 80140 O-ring for plug / 25-45253 x 1
P/N 22391 Screw / 3852830 x 4
P/N 13983 Reducer / x 1
Compatible with:
GM V8, 305 and 350, 5.0L / 5.7L (1989 and up)
Volvo V8, 307 and 350 CID, 5.0L / 5.7L (1994 and up)
51430
$266 US
$412.89 CDN
P/N 51430 Assembly with gaskets and drain plugs. For port or starboard. Replaces 3857723.
Included
P/N 51430 Cast iron assembly / 3857723 x 1
P/N 31100 Mounting gasket / 27-33395 x 1
P/N 33810 Elbow gasket / 909786 x 1
P/N 13992 Drain plug / 806608A02 x 1
P/N 80140 O-ring for plug / 25-45253 x 1
P/N 13983 Reducer / x 1
Compatible with:
GM V8, 305 and 350, 5.0L / 5.7L (1989 and up)
Volvo V8, 307 and 350 CID, 5.0L / 5.7L (1994 and up)
51330 Riser
$218 US
$351.89 CDN
P/N 51330 Riser / elbow assembly. Standard height. For port or starboard. Replaces 3857944.
Included
P/N 51330 Riser / 3857944 x 1
P/N 33810 Elbow gasket / 909786 x 1
P/N 22391 Screw / 3852830 x 4
Compatible with:
GM V8, 305 and 350, 5.0L / 5.7L (1989 – up)
GM V6, 262, 4.3L (1986 and up)
Ford V8, 302 and 351, 5.0L / 5.8L (1991 – up)
Volvo V8 big block, 7.4L / 8.2L, 454/502 (1991 – up)
Volvo V8, 307 and 350, 5.0L / 5.7L (1994 and up)
Volvo 262 4.3L (1994 – up)
89224
$28 US
$46.89 CDN
P/N 89224 Upper exhaust bellow. For port or starboard. Replaces 3852696.
Compatible with:
GM V8, 305 and 350, 5.0L / 5.7L (1991)
GM V6, 262, 4.3L (1991)
Ford V8, 302 and 351, 5.0L / 5.8L (1991)
GM 460 7.5L V8 big block (1988 – 1989)
Volvo V6/V8 cone clutch (1990 – 1991)
89222
$23 US
$48.89 CDN
P/N 89222 Lower bellow, 3852741.
Compatible with:
GM 4 cylinder, 2.5L (1986)
4 cylinder, 2.L (1989 1990)
GM 3.0L (1986 – 1991)
4.3L 262 V6 (1990 – 1991)
Ford V8, 302 and 351, 5.0L / 5.8L (1991)
GM 5.7L 350 (early 1986)
33810
$5 US
$10.89 CDN
P/N 33810 Elbow gasket, 909786.
Compatible with:
GM 262, 4.3L V6 (1986 – up)
GM 305/350, 5.0L, 5.7L V8 (1979 – up)
Volvo 454/502, 7.4L, 8.2L (1991 – up)
Volvo Penta 4.3L 262 V6 (1994 – up)
Ford V8, 302 and 351, 5.0L / 5.8L (1991 – up)
Volvo Penta 5.7L 350 (1994 – up)
Penta 5.0L, 5.8L and Fi/FSi, Ford small block (1994 – up)
31100
$6 US
$17.89 CDN
P/N 31100 Mounting gasket for P/N 51430 (shown above), 3857723.
Compatible with:
GM V8, 305 and 350, 5.0L / 5.7L (1989 and up)
Volvo V8, 307 and 350 CID, 5.0L / 5.7L (1994 and up)
305-350 V8 (1979 – 1988)
58410
$790 US
$1217.89 CDN
P/N 58410 Complete GM V8 small block log style set with cast iron riser.
Included
P/N 51410 Port assembly / 912441 x 2
P/N 51420 Starboard assembly / 912442 x 2
P/N 51320 Elbow assembly / 909863 x 2 P/N 31100 Mounting gasket / 27-33395 x 2
P/N 33810 Elbow gasket / 909786 x 2
P/N 21753 Installation screws / 3853397 x 8
Compatible with:
GM V8, 305 and 350, 5.0L / 5.7L (1979 and 1988)
51420-51320 Port kit
$370 US
$247.89 CDN
51410 Starboard kit
$370 US
$385.89 CDN
P/N 51420-51320 or 51410-51320 Port or starboard elbow and manifold kit, log style for older GM V8 small blocks.
Included
P/N 51410 Port assembly / 912441 x 1 or P/N 51420 Starboard assembly / 912442 x 1
P/N 51320 Elbow assembly / 909863 x 1
P/N 31100 Mounting gasket / 27-33395 x 1
P/N 33810 Elbow gasket / 909786 x 1
Compatible with:
GM V8, 305 and 350, 5.0L / 5.7L (1979 and 1988)
912441
$207 US
$273.89 CDN
912442
$207 US
$273.89 CDN
P/N 51420 / 912441 or 51410 / 912442 Port or starboard log style manifold with gasket, end rise.
Included
P/N 51410 Port assembly / 912441 x 1 or P/N 51420 Starboard assembly / 912442 x 1
P/N 31100 Mounting gasket / 27-33395 x 1
P/N 33810 Elbow gasket / 909786 x 1
Compatible with:
GM V8, 305 and 350, 5.0L / 5.7L (1979 and 1988)
51320
$164 US
$247.89 CDN
P/N 51320 Replaces 909863. Can be used on port or starboard side, with log style. Includes gasket.
Dimensions
Height (bottom base to top) 8-1/4″
Width 3-3/8″
Compatible with:
GM V8, 305 and 350, 5.0L / 5.7L (1979 and 1988)
89220
$21 US
$28.89 CDN
P/N 89220 Upper hose, replaces 912374. Can be used on port or starboard side, 3 inch to 4 inch.
Compatible with:
GM 305/350 CID, V8, (1979 – 88)
Ford 5.0L, 5.8L 302/251 (1989 – 1990)
Ford 7.5L 460 big block (1987)
GM 5.7L 350 (Late 1986, 1987-1988)Width 3-3/8″
89230
$27 US
$49.89 CDN
P/N 89230 Lower hose, replaces 3852742.
Compatible with:
GM 305/350 CID, V8, (1979 – 88)
Ford 2.3L (1987-88), 4.3L 262 (1987)
5.0/5.8 302-351 Ford (1989 – 90)
GM/Chevy 5.7L (late 1986)
5.7 350 (1987 – 91)
Cone clutch SX King models (1990-91)
350/454/454HO/460 King, 5.7 LE (1990-91)
31100
$6 US
$17.89 CDN
P/N 31100 Mounting gasket for P/N 51430 (shown above), 3857723.
Compatible with:
GM V8, 305 and 350, 5.0L / 5.7L (1989 and up)
Volvo V8, 307 and 350 CID, 5.0L / 5.7L (1994 and up)
33810
$5 US
$10.89 CDN
P/N 33810 Elbow gasket, 909786.
Compatible with:
GM 262, 4.3L V6 (1986 – up)
GM 305/350, 5.0L, 5.7L V8 (1979 – up)
Volvo 454/502, 7.4L, 8.2L (1991 – up)
Volvo Penta 4.3L 262 V6 (1994 – up)
Ford V8, 302 and 351, 5.0L / 5.8L (1991 – up)
Volvo Penta 5.7L 350 (1994 – up)
Penta 5.0L, 5.8L and Fi/FSi, Ford small block (1994 – up)
V6 (1986 and up)
58480
$936 US
$1593.89 CDN
P/N 58480 Complete GM V6 4.3L center rise set with standard risers.
Included
P/N 51480 Cast iron assembly / 3857656 x 2
P/N 51330 Elbow assembly / 3857944 x 2
P/N 32170 Mounting gasket / 3853412 x 2
P/N 33810 Elbow gasket / 909786 x 2
P/N 22398 Installation screws / 3852830 x 8
Compatible with:
GM V6, 262, 4.3L (1986 – up), Cobra model.
3857656
$499 US