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Carburetor Repair Kits for ALL Models.

Call us with your engine serial number for
accurate order processing.

Rochester 2 Barrel or Mercarb 2 Barrel?
Mercruiser has used several different types of carburetors over the years.
The Rochester 2 Barrel Carb was popular on the early 4 cylinder models and it
was also used on a few V6 and V8/305 GM engines as well.

Rochester then stopped production so Mercury Marine designed its own version of the
Rochester 2 Barrel Carburetor called the Mercarb.

The Mercarb and Rochesters were mixed in production models.
When ordering replacement carbs, kits or parts you need to know exactly
which carb your engine has.

One simple test can distinguish between a Rochester and a Mercarb.
The throttle base plate of a Rochester Carb has two idle mixture screws.
The throttle base plate of a Mercarb has only one idle mixture screw.

If you have determined that your carb is a Mercarb, then there is one more
identification you need to make.
The Mercarb came with two different styles of accelerator pumps.
One pump rod was straight and cut off flat at the very top. This was the older style.
The other pump rod has a 90 deg bend at the top. This is the newer style.

Old Style Mercarb rod
Older Style Accelerator Pump
New Style Mercarb rod
Newer Style Accelerator Pump

The earlier style Mercarb Kit (With straight accel pump rod) is 3302-804845 for $70.00

The later style Mercarb Kit (With the 90deg bent accell rod) is 3302-804844 s/s to 3302-804844002 for $78.00

The Mercarb Kits include all gaskets and seals, needle/seat, idle mixture screw,
inlet strainer, springs, check balls, mounting gasket and accelerator pump assembly.

Here is a great Adobe PDF file with helpful Mercarb Infomation and Tips.

Rochester 4 Barrel Quadrajet Rebuild Kits

Fits ALL Mercruisers with Rochester 4 Barrel Quadrajet Carbuetors.
Part 823426A1 Rebuild Kit $30.00

Rochester 2 Barrel carburetor Rebuild Kits

There are four different Rochester 2 Barrel Rebuild Kits depending on which model engine your have.

Rochester 2 Barrel Kit #1397-5831 for $45.00 fits:
233 and 888 Ford Mercruiser Engines that use the Rochester 2 Barrel.

Rochester 2 Barrel Kit #1397-6367A1 for $57.00 fits:
470 4-cylinder (1976-84) and 485 4-cylinder(1980-82).

Rochester 2 Barrel Kit #1397-8760 for $46.00 fits:
198 (305cid), 200 (305cid), 898 (305cid).

Rochester 2 Barrel Kit 823427A1 for $29.00 fits:
Models 110, all 120's, all 140's, 150, 160, 165, 2.5L, 3.0L, and 90.

Weber Carburetor Rebuild Kits
There are 4 different Weber Kits depending on the number stamped on your the carburetor.
Numbers are stamped in the secondary throat area and on the base plate.

Weber Overhaul Kit 809064 for $125.00 Fits: Carbs 9665S, 9772, 9772SA, 9773, 9774, 9776, 9776SA, 9776SB, 9777, 9779S, 9780S

Weber Overhaul Kit 809065 for $117.00 Fits:
Carbs 9661, 9770, 9770SA

Weber Overhaul Kit 823728 for $159.00 Fits:
Model 4.3LX (1992-1996)

Weber Overhaul Kit 835076 for $155.00 Fits:
Models 4.3LH(Gen+)(1998), 4.3LXH (Gen+)(1996-97)

Click Here for a directory of Weber Bulletins.
Click Here for a directory of Rochester Bulletins.
Click Here for a directory of MerCarb Bulletins.

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