OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives
Mercruiser inline 4 cylinder GLM exhaust manifold *Engine
GLM aftermarket Mercruiser manifold for 3.0 liter 181 motor
Alpha One Gen 2 1991 and newer engines
Last updated on 11/8/2023
- Aftermarket exhaust manifold kit replacement with hardware
- P/N 51214 for 1990 and newer Mercruiser Alpha One Gen 2 models
- Includes installation mounting hardware, plugs and bolts shown below
- For inline 4 cylinder 3.0L and 3.0LX 181 motors
- For serial numbers 0C856559 – 0K999999 and 0L010042 – newer
- Aftermarket Mercruiser replacement lower unit outdrives
Alpha One Gen 2 1990 and up
Price (USD)
Price (Canadian)
51214 Mercruiser 4 cylinder 860235A03
Exhaust manifold
P/N 51214 Aftermarket Mercruiser Alpha 1 Gen 2 inline 4 cylinder exhaust manifold with hardware for 1990 and newer models.
For serial numbers 0C856559 – 0K999999 and 0L010042 – up
$375.96 US
$ 622.89 CDN
33580 Gasket 27-815528
P/N 33580 Manifold gasket, 27-815528
$24.96 US
$ 20.89 CDN
31520 Gasket
P/N 31520 Riser – elbow gasket, 27-99777-2
$19.96 US
$ 9.89 CDN
13991 90 degree hose fitting
P/N 13991 90 degree hose fitting kit, 22-862210A01
$19.96 US
$24.89 CDN
Straight fitting
P/N 13984 Brass straight fitting 3/4-14 X 1, 22-866725
$24.96 US
$ 15.89 CDN
32180 Carburetor gasket
P/N 32180 Carburetor base gasket, 27-807982
$10.96 US
$4.89 CDN
31430 Thermostat
P/N 31430 Thermostat gasket, 24-47590-1
$10.96 US
$4.89 CDN
22280 Cap
P/N 22280 Rubber end cap, 764799
$19.96 US
$ 13.89 CDN
51214 bolts
P/N 22475 Stud x 4, 16-806300
$10.96 US
$ 5.89 CDN
51214 bolts
P/N 51214 bolts