Cylinder Block for Mercury / Mariner (30 / 40 (2 Cylinder) 2-Stroke) Engine

Start Over Different Model > Different Engine Section > Cylinder Block

Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

Engine Diagram

Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

# — 808569T02 — POWERHEAD ASSEMBLY (1 required per assembly)
		808569T02 - Powerhead 30-2S 2CYL [ More info ] Unavailable
# — 822420A94 — GASKET SET (1 required per assembly)
		27-822420A94 - Engine Overhaul Gasket Set [ More info ] $74.49 Available to Order: Shipping delay up to 10 days.
#1 — 821358T 5 — CYLINDER BLOCK (1 required per assembly)
		890-821358T 5 - Cylinder Block [ More info ] $1,411.49 Available to Order: Shipping delay up to 10 days.
#2 — 32802 2 — PLUG, Pipe (.125-27) Brass (2 required per assembly)
		22-32802 2 - Brass Pipe Plug, Priced Individually [ More info ] $7.59 1 In Stock.
		18-4263 - Pipe Plug, 1/8-27 NPT, Brass [ More info ] $5.30 10+ In Stock.
#3 — 817427 80 — SCREW, (M8 x 80) (6 required per assembly)
		10-817427 80 - Screw [ More info ] $4.49 Available to Order: Shipping delay up to 10 days.
#4 — 812888A 1 — CARRIER ASSEMBLY (1 required per assembly)
		812888A 1 - Carrier Assembly [ More info ] $12.19 Available to Order: Shipping delay up to 10 days.
#5 — 42657A 3 — CHECK VALVE (1 required per assembly)
		21-42657A 3 - Check Valve Assembly [ More info ] $7.29 Available to Order: Shipping delay up to 10 days.
#6 — 828218 — CHECK VALVE (1 required per assembly)
		21-828218 - Check Valve [ More info ] Unavailable
		21-828218 2 - Check Valve [ More info ] $44.99 Available to Order: Shipping delay up to 10 days.
#7 — 56759 — FITTING, Barbed, Barbed (1 required per assembly) — (Electric)
		22-56759 - Fitting [ More info ] $11.59 Available to Order: Shipping delay up to 10 days.
#8 — 817427 40 — SCREW, (M8 x 40) (4 required per assembly)
		10-817427 40 - Screw [ More info ] $2.79 2 In Stock.
#9 — 85439 — CONNECTOR, Male (1 required per assembly)
		22-85439 - CONNECTOR [ More info ] Unavailable
		22-85439001 - Connector [ More info ] $2.99 Available to Order: Shipping delay up to 10 days.
#10 — 812870 1 — PIN, Center Main (2 required per assembly)
		17-812870 1 - Pin -Dowel [ More info ] $2.20 2 In Stock.
		178M0084653 - PIN - DOWEL [ More info ] $3.59 Available to Order: Shipping delay up to 10 days.
#11 — 43044 — PIN, Dowel - Without Hole (.375 x .625) (1 required per assembly)
		17-43044 - Pin -Dowel-solid [ More info ] $2.49 1 In Stock.
#12 — 39072 1 — PLUG, Pipe (.125-27) Brass (1 required per assembly)
		22-39072 1 - Plug - Priced Individually [ More info ] $9.29 1 In Stock.
#13 — 18598 1 — PLUG, Pipe (.375-18) (1 required per assembly)
		22-18598 1 - Pipe Plug [ More info ] $2.79 Available to Order: Shipping delay up to 10 days.
#14 — 15133 — FITTING (2 required per assembly)
		22-15133 - Fitting [ More info ] $21.68 1 In Stock.
#15 — 9812A 8 — END CAP (1 required per assembly)
		1171-9812A 8 - End Cap - Lower [ More info ] $229.71 1 In Stock.
#16 — 828932 — OIL SEAL (1 required per assembly)
		26-828932 - Seal [ More info ] $12.89 4 In Stock.
#17 — 41953 — SEAL (1 required per assembly)
		26-41953 - Oil Seal - Priced Individually [ More info ] $17.92 10 In Stock.
		18-2016 - Seal, 26-41953 [ More info ] $14.34 5 In Stock.
#18 — 90011 — O-RING, (2.175 x .175) (1 required per assembly)
		25-90011 - Drive Shaft Cover O-Ring [ More info ] Unavailable
		25-896523 - O-ring, (2.175 X .103) [ More info ] Unavailable
		25-8M0142854 - O-Ring [ More info ] $1.10 5 In Stock.
#19 — 817427 20 — SCREW, (M8 x 20) (3 required per assembly)
		10-817427 20 - Screw [ More info ] $8.99 Available to Order: Shipping delay up to 10 days.
#20 — 48462 — O-RING, (.614 x .070), Included With Reference 1 (1 required per assembly) — (Manual)
		25-48462 - O-ring, (.614 X .070) [ More info ] $1.80 3 In Stock.
#21 — 812996 2 — COVER (1 required per assembly) — (Manual)
		812996 2 - Cover [ More info ] Unavailable
#22 — 40011108 — SCREW, (M5 x 20) (2 required per assembly) — (Manual)
		10-40011108 - Screw [ More info ] $1.80 Available to Order: Shipping delay up to 10 days.
#23 — 828553 — GASKET, Included With Reference 1 (1 required per assembly)
		27-828553 - Cylinder Block To Exhaust Extension Plate Gasket [ More info ] Unavailable
		27-8M0000822 - Gasket [ More info ] $18.19 Available to Order: Shipping delay up to 10 days.
		18-0319 - Gasket, 27-828553 [ More info ] $15.05 Available to Order: Shipping delay up to 10 days.
#24 — 99130122 — TUBING, (20.00 Feet Bulk) (Cut to 1.50 Inch Length) (1 required per assembly)
		32-99130122 - Tubing-20 FEET [ More info ] Unavailable
		32-892024122 - Tubing - 20 Feet [ More info ] $49.32 3 In Stock.
#25 — 14912 6 — CHECK VALVE, Double End (1 required per assembly)
		21-14912 6 - Check Valve [ More info ] $17.49 Available to Order: Shipping delay up to 10 days.
#27 — 99664 2 — FITTING, Elbow (90 Degree)(.125-27 x .250 ID)(Nylon) (.125 Male) (1 required per assembly)
		22-99664 2 - Elbow [ More info ] $2.69 2 In Stock.
#28 — 878609 — SCREW, (#10-16 x .600) (1 required per assembly)
		10-878609 - Screw [ More info ] $2.59 4 In Stock.
#29 — 78799 4 — SENDER (1 required per assembly)
		78799 4 - Temperature Sender [ More info ] $94.99 Available to Order: Shipping delay up to 10 days.
#30 — 44552 — RETAINER (1 required per assembly)
		44552 - Retainer [ More info ] Unavailable
		889733 - Retainer [ More info ] $5.59 Available to Order: Shipping delay up to 10 days.
#31 — 56681 — WASHER, (.203 x .500 x .032) (1 required per assembly)
		12-56681 - Washer, (.203 X .500 X .032) [ More info ] $1.67 10+ In Stock.
		128M0204666 - WASHER Note: Priced Individually [ More info ] $1.80 Available to Order: Shipping delay up to 10 days.
#34 — 816311T — TIE STRAP, (8.00 Inches) (1 required per assembly) — (Electric)
		54-816311T - Tie Strap, 8 Inches, Priced Individually [ More info ] $0.60 10+ In Stock.
#35 — 826115 1 — CLAMP, Connector (1 required per assembly) — (Electric)
		826115 1 - Clamp [ More info ] $20.49 Available to Order: Shipping delay up to 10 days.
#36 — 816194 9 — STUD, (M6 x 44) (2 required per assembly)
		16-816194 9 - Stud [ More info ] $12.19 Available to Order: Shipping delay up to 10 days.
#37 — NSS — NOT SOLD SEPARATE, Decal-Sterialization (1 required per assembly)
		NSS - NOT SOLD SEPARATE [ More info ] Unavailable
#38 — 812867 2 — GASKET, Included With Reference 1 (1 required per assembly)
		27-812867 2 - Gasket [ More info ] $7.29 6 In Stock.
#39 — 812882 1 — POPPET (1 required per assembly)
		812882 1 - Poppet [ More info ] $9.29 Available to Order: Shipping delay up to 10 days.
#40 — 812887 1 — DIAPHRAGM (1 required per assembly)
		812887 1 - Diaphragm [ More info ] Unavailable
		812887002 - Poppet Diaphragm [ More info ] $9.89 4 In Stock.
#41 — 94182 — WASHER (1 required per assembly)
		12-94182 - Washer [ More info ] $3.59 7 In Stock.
#42 — 69570 — SCREW, (#10-16 x .750) (1 required per assembly)
		10-69570 - Screw [ More info ] $1.80 7 In Stock.
#43 — 47968 — SPRING (1 required per assembly)
		24-47968 - Spring, Compression - Choke Shaft [ More info ] $5.69 Available to Order: Shipping delay up to 10 days.
#44 — F97068 2 — THERMOSTAT, 62Â°C (143Â°F) (1 required per assembly)
		F97068-2 - Thermostat, 130 Degree [ More info ] Unavailable
		895338 - Thermostat, 130 Degrees [ More info ] $45.05 5 In Stock.
		18-3556 - Thermostat, 130 Degrees, F97068-2 [ More info ] $41.32 6 In Stock.
#45 — 19074 1 — COVER (1 required per assembly)
		19074 1 - COVER [ More info ] Unavailable
		8M0036859 - Cover [ More info ] $35.49 Available to Order: Shipping delay up to 10 days.
#45 — 19074 2 — COVER (1 required per assembly) — (Greenland)
		19074 2 - Cover [ More info ] Unavailable
#46 — 40011149 — SCREW, (M8 x 25), Included With Reference #1 (4 required per assembly)
		10-40011149 - Screw [ More info ] $2.69 Available to Order: Shipping delay up to 10 days.
#47 — 62386 — GASKET, Thermostat (Included With Reference #1) (1 required per assembly)
		27-62386 - Thermostat Gasket [ More info ] Unavailable
		27-62386001 - Thermostat Gasket [ More info ] $2.50 1 In Stock.
		18-0182-9 - Gasket 27-62386 2-Pack [ More info ] $4.13 $3.56 Available to Order: Shipping delay up to 10 days.
		27-8M0204714 - Thermostat Gasket, Priced Individually [ More info ] $2.89 2 In Stock.