Volvo Penta 856135 856100 Heat Exchanger Strainer Housing AQ131 AQ151 AQ171 4cyl Fuel Lines & Filters the spark plugs that use

the spark plugs that use 5/8 wrench)

56875 Oil Breather Cap

0L 4cyl 140hp 181CID applications roughly 1968-1989 (However the number goes until the late 90's for OMC applications

0L 140hp 4cyl 181cid and also found on some 2

Volvo Penta 856135 856100 Heat Exchanger Strainer Housing AQ131 AQ151 AQ171 4cyl Fuel Lines & Filters the spark plugs that usePart Number(s) Volvo Penta 856135 Heat Exchanger Housing Note that this is the later style housing (serial numbers this is applicable to are mentioned below) Volvo Penta 856100 855441 Strainer Housing Volvo Penta 855435 Insert Volvo Penta 855406 Cover Volvo Penta 855410 Cap The plastic cover on the lower right side of the back is cracked through some of the mounting holes, but should still be serviceable or could be replaced with a new or existing