OMC COLLECTOR PLATE
Closed plate at the end of OMC 4-cylinder manifold, types 120CV - 2.5 liters and 140CV - 3 liters before 1990.

Closed plate at the end of OMC 4-cylinder manifold, types 120CV - 2.5 liters and 140CV - 3 liters before 1990.
Starboard plate for old generation OMC round exhaust manifold type V6 or V8.
Port plate for old generation OMC round exhaust manifold type V6 or V8.
Port exhaust manifold for Mercruiser V8 engine based on GM small block before 1980.
Mounting hardware included.
Engine types:
- 225
- 250
- 255
- 270
- 280
Exhaust manifold for Mercruiser 4-cylinder engines of the 120hp 2.5L or 140hp 3L types with a Rochester carburetor whose center distances are: 82.52 x 47.2 mm.
Exhaust manifold now has an integrated water passage and not an external one as on the previous assembly (water hose at the end).
Replacement with this manifold necessarily involves replacement with the exhaust elbow which also has the internal water passage in reference P1229 and its seal 128370-13231.
Exhaust manifold for Yanmar 3JH and 4JH engine.
Stainless steel exhaust manifold for Yanmar YM series engine.
Material to be used in addition to the YM123000 - YM123000I elbow.
Spacer kit for replacing Mercruiser diesel manifolds part number 8M0084547 being discontinued.
This modification involves replacing the collector as well.
Screw kits included.
Remember to add the following reassembly seals:
27-879172204
27-854117
One-piece starboard exhaust manifold for Indmar 6 litre engine.
Mounting for engine not having an elbow at the end of the manifold.
Exhaust manifold gasket kit for Ford BB type 460 engine.
Full gasket without water tap for Chrysler manifold.
Exhaust gasket kit for Volvo Penta engines:
AQD21A
AQD21B
MD21A
MD21B
Catalyst filter for Mercruiser 8.2L - 502CI exhaust manifold.
Starboard exhaust manifold for Mercruiser 8.2 liter MPI catalyzed engine.
Elbow joint: 27-8M0054712.
Manifold Gasket: 27-8M0065690
Catalyst filter: 8M0174307
Exhaust elbow for Yanmar 6LY series engine.
Featuring a Ø 128mm exhaust outlet and a Ø 38mm water inlet.
Stainless steel exhaust elbow for Yanmar 1 - 2 and 3 cylinder engines.
Link fitting 104214-13580 included with the elbow.
Water tap connection not included under reference 104407-44480 in diameter 17.5mm.
Material also available in CAST IRON under the reference YM123000.
The outlet is designed for a 53mm diameter hose but also has a thread to adapt the outlet according to your installation.
Starboard exhaust elbow for 5.7 Indmar engine catalyzed after 2011.
Port exhaust elbow for 5.7 Indmar engine catalyzed after 2011.
Stainless steel exhaust elbow for Northern Lights generator series:
M643
M673
M673L
Complete stainless steel exhaust manifold kit for the following Yanmar QM series engines:
- 2QM15
- 2QM20
- 3QM30
- 3QM30H
Replacement/conversion kit for optional raised mounting including:
- The collector plate integrating the connection allowing the connection nipple to be received (conversion).
- The connecting nipple raised to 3 inches.
- The collector reassembly gasket.
The YM123000 or YM123000I exhaust elbow is not included.
Remember to add it.
Equipment not compatible with Yanmar series: GM, HM, JH, YM