Cylinder Block & Covers for Mercury / Mariner (6 / 8 / Sailmate 9.9 / Sailpower 15 HP) Engine

Start Over Different Model > Different Engine Section > Cylinder Block and Covers

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 ]

# — 19072A88 — POWERHEAD ASSEMBLY, Complete (1 required per assembly) — (15) SN# USA-0G112449/BEL-9831799 & Below
		19072A88 - Powerhead MARINE [ More info ] Unavailable
		19072T88 - Powerhead MARINE,NLA [ More info ] Unavailable
# — 811686A97 — POWERHEAD ASSEMBLY (1 required per assembly) — (8)
		811686A97 - Powerhead MARINE [ More info ] Unavailable
		811686T97 - Powerhead Assembly, NLA [ More info ] Unavailable
# — 19072A97 — POWERHEAD ASSEMBLY (1 required per assembly) — (15) SN# USA-0G112450/BEL-9831800 & Up
		19072A97 - Powerhead MARINE [ More info ] Unavailable
		19072T97 - Powerhead 10/15 2ST [ More info ] $2,057.15 Available to Order: Usually ships within 10 days.
# — 42364A92 — GASKET SET, Engine (1 required per assembly)
		27-42364A92 - Engine Gasket Set [ More info ] $107.67 Available to Order: Usually ships within 10 days.
# — 12893A97 — POWERHEAD ASSEMBLY (1 required per assembly) — (6)
		12893A97 - Powerhead MARINE [ More info ] Unavailable
		12893T97 - Powerhead Assembly 6HP, NLA [ More info ] Unavailable
#1 — 9727A 2 — CYLINDER BLOCK (1 required per assembly) — (15) SN# USA-0G112449/BEL-9831799 & Below
		881-9727A 2 - Cylinder Block [ More info ] Unavailable
		881-9727T 2 - Cylinder Block, NLA [ More info ] Unavailable
#1 — 9727A12 — CYLINDER BLOCK (1 required per assembly) — (15) SN# USA-0G112450/BEL-9831800 & Up
		881-9727A12 - Cylinder Block [ More info ] Unavailable
		881-9727T12 - Cylinder Block [ More info ] $765.21 Available to Order: Usually ships within 10 days.
#1 — 8473A20 — CYLINDER BLOCK (1 required per assembly) — (6)
		875-8473A20 - Cylinder Block [ More info ] Unavailable
		875-8473T20 - Cylinder Block, NLA [ More info ] Unavailable
#1 — 8473A21 — CYLINDER BLOCK (1 required per assembly) — (8)
		875-8473A21 - Cylinder Block [ More info ] Unavailable
		875-8473T21 - Cylinder Block, NLA [ More info ] Unavailable
#2 — 85171 — PIN, Dowel (2 required per assembly)
		17-85171 - Dowel Pin , Cylinder Block [ More info ] $4.30 Available to Order: Usually ships within 10 days.
#3 — 42463 2 — STUD, (M8 x 37.1) (2 required per assembly)
		16-42463 2 - Stud [ More info ] $15.90 Available to Order: Usually ships within 10 days.
#4 — 42698 1 — CHECK VALVE (1 required per assembly)
		21-42698 1 - Check Valve [ More info ] Unavailable
		21-42698 2 - Check Valve [ More info ] $36.09 1 In Stock.
#6 — 42984 — STUD (2 required per assembly)
		16-42984 - Stud [ More info ] Unavailable
		16-42984 5 - STUD Note: Priced Individually [ More info ] Unavailable
		16-816194 9 - Stud [ More info ] $11.70 Available to Order: Usually ships within 10 days.
#7 — 42125 1 — SCREW, (M8 x 55) (6 required per assembly)
		10-42125 1 - Screw [ More info ] $5.49 10+ In Stock.
#8 — 17866 — PIN, Groove (1 required per assembly) — (15)
		17-17866 - Pin, Groove [ More info ] $3.00 Available to Order: Usually ships within 10 days.
#9 — 826833 6 — NUT, (M6) (2 required per assembly)
		11-826833 6 - Nut , Priced Individually [ More info ] Unavailable
		11-40144 - NUT Note: Priced Individually [ More info ] Unavailable
		11-40138 6 - Nut - Priced Individually [ More info ] $4.90 10+ In Stock.
#10 — 19186 1 — GASKET, Powerhead (1 required per assembly)
		27-19186 1 - Gasket [ More info ] $9.30 7 In Stock.
#11 — 828435A 1 — REED BLOCK (One Piece Design)(Rubber Coated) (1 required per assembly) — SN# USA-0G437999/BEL-9926999 & Below
		828435A 1 - REED BLOCK ASSY [ More info ] Unavailable
		828435A 3 - Reed Block Assembly [ More info ] $150.42 Available to Order: Usually ships within 10 days.
#11 — 828435A 3 — REED BLOCK (1 required per assembly) — SN# USA-0G438000/BEL-9927000 & Up
#12 — 42381A 2 — REED BLOCK ASSEMBLY (1 required per assembly) — (Replaced by One Piece Design Reed Block)
		42381A 2 - REED BLOCK [ More info ] Unavailable
#13 — 42657A 3 — CHECK VALVE (1 required per assembly) — (Replaced by One Piece Design Reed Block)
		21-42657A 3 - Check Valve Assembly [ More info ] $7.00 Available to Order: Usually ships within 10 days.
#14 — 42137 — SEAL (1 required per assembly) — (Replaced by One Piece Design Reed Block)
		26-42137 - Seal, NLA [ More info ] Unavailable
#15 — 19598 1 — GASKET (1 required per assembly) — (Replaced by One Piece Design Reed Block)
		27-19598 1 - Gasket [ More info ] Unavailable
		27-19598 2 - Gasket [ More info ] $9.50 7 In Stock.
#16 — 40057 64 — SCREW, (M3.5 x 8) (6 required per assembly) — (Replaced by One Piece Design Reed Block)
		10-40057 64 - Screw, NLA [ More info ] $1.38 10+ In Stock.
#17 — 825141 — REED (2 required per assembly) — (Replaced by One Piece Design Reed Block)
		34-825141 - Reed [ More info ] $9.50 4 In Stock.
#18 — 17903 1 — STOP, Reed (2 required per assembly) — (Replaced by One Piece Design Reed Block)
		17903 1 - Ord 828435A 3, NLA [ More info ] Unavailable
#19 — 40001 71 — SCREW, (M6 x 16) (3 required per assembly) — (Included with Powerhead on S/N-USA-0G438000-BEL-9927000 & Up)
		10-40001 71 - Screw - Priced Individually [ More info ] $1.10 Available to Order: Usually ships within 10 days.
#20 — 40021 3 — NUT, (M8) Stainless Steel (2 required per assembly)
		11-40021 3 - Nut - Priced Individually [ More info ] $2.80 Available to Order: Usually ships within 10 days.
#21 — 42521 — COVER (1 required per assembly)
		42521 - Cover [ More info ] Unavailable
		42521001 - Cover [ More info ] Unavailable
		8M0048005 - Cover Exhaust Man [ More info ] $64.50 Available to Order: Usually ships within 10 days.
#22 — 40062129 — SCREW, (M6 x 25) (11 required per assembly)
		10-40062129 - Screw [ More info ] $1.10 Available to Order: Usually ships within 10 days.
#23 — 19185 — GASKET (1 required per assembly)
		27-19185 - Exhaust Cover Gasket [ More info ] $11.30 10+ In Stock.
#24 — 42365 — PLATE, Baffle (1 required per assembly)
		42365 - Baffle Plate [ More info ] $44.55 1 In Stock.
#25 — 19184 — GASKET (1 required per assembly)
		27-19184 - Baffle Plate Gasket [ More info ] $10.00 10+ In Stock.
#27 — 56759 — FITTING, Barbed (1 required per assembly)
		22-56759 - Fitting [ More info ] $11.20 Available to Order: Usually ships within 10 days.
#28 — 99130122 — TUBING, (20.00 Feet Bulk) (5-1/4 IN.)(7 IN.) (2 required per assembly)
		32-99130122 - Tubing-20 FEET [ More info ] Unavailable
		32-892024122 - Tubing - 20 Feet [ More info ] $47.44 6 In Stock.
#29 — 59169 — FITTING (1 required per assembly)
		22-59169 - Fitting [ More info ] Unavailable
		22-59169 2 - Fitting [ More info ] Unavailable
		22-59169003 - Fitting - Priced Individually [ More info ] $5.80 Available to Order: Usually ships within 10 days.
#30 — 816311 — TIE STRAP, (8.00 Inches) (AR required per assembly)
		54-816311 - TIE STRAP Note: Priced Individually [ More info ] Unavailable
		54-816311T - Tie Strap, 8 Inches, Priced Individually [ More info ] $0.60 10+ In Stock.
#31 — 19203 1 — GASKET (1 required per assembly) — (6/8) (9.9/15) USA SN# 0G112449 /Belgium SN# 9831799 AND BELOW(6/8)
		27-19203 1 - Gasket [ More info ] $6.50 Available to Order: Usually ships within 10 days.
#32 — 19107F 1 — COVER, Intake (1 required per assembly) — (6/8) (9.9/15) USA SN# 0G112449 /Belgium SN# 9831799 AND BELOW(6/8)
		19107F 1 - Cover [ More info ] $15.99 10+ In Stock.
#33 — 36324 — O-RING, (1.549 x .103) (2 required per assembly) — (9.9/15) SN# USA-0G112450/BEL-9831800 & Up
		25-36324 - O-ring, (1.549 X .103) [ More info ] Unavailable
#34 — 826383F 1 — COVER, Intake (1 required per assembly) — (9.9/15) SN# USA-0G112450/BEL-9831800 & Up
		826383F 1 - Intake Cover [ More info ] $18.00 Available to Order: Usually ships within 10 days.
#35 — 830756109 — HOSE, (57.00 Inches Bulk) (1 required per assembly)
		32-830756109 - Hose, 57 Inch [ More info ] Unavailable
		32-8M0047428 - Hose -57 Inch [ More info ] Unavailable
		32-8M0108355 - Hose, 57 Inch [ More info ] $50.33 6 In Stock.
#36 — 94848 — FITTING, BOTTOM COWL (1 required per assembly)
		22-94848 - Fitting [ More info ] $4.60 2 In Stock.
#37 — 8906A 1 — COVER ASSEMBLY (1 required per assembly)
		1033-8906A 1 - Cover Assembly [ More info ] $35.56 3 In Stock.
		1033-8906A02 - Cover Assembly [ More info ] $272.98 1 In Stock.
#38 — 19207 1 — GASKET (1 required per assembly)
		27-19207 1 - Cylinder Cover Gasket [ More info ] Unavailable
		27-19207002 - Cylinder Cover Gasket [ More info ] $9.00 4 In Stock.
#39 — 14673 2 — COVER (1 required per assembly)
		14673 2 - Thermostat Cover [ More info ] Unavailable
		8M0039352 - Thermostat Cover [ More info ] $21.00 Available to Order: Usually ships within 10 days.
#40 — 19205 1 — GASKET (1 required per assembly)
		27-19205 1 - Gasket [ More info ] Unavailable
		27-19205002 - Thermostat Cover Gasket [ More info ] $2.90 4 In Stock.
#42 — 14586 — THERMOSTAT (120 DEGREES) (1 required per assembly)
		14586 - Thermostat, 120 Degrees [ More info ] $35.17 10+ In Stock.
		18-3549 - Thermostat, 120 Degrees, 14586 [ More info ] $27.69 $25.41 7 In Stock.
#43 — 62386 — GASKET (1 required per assembly)
		27-62386 - Thermostat Gasket [ More info ] Unavailable
		27-62386001 - Thermostat Gasket [ More info ] $2.50 10+ In Stock.
		18-0182-9 - Gasket 27-62386 2-Pack [ More info ] $4.13 $3.36 Available to Order: Usually ships within 10 days.
		27-8M0204714 - Thermostat Gasket, Priced Individually [ More info ] $2.80 10+ In Stock.
#44 — 29111 — CONNECTOR (1 required per assembly)
		22-29111 - Fitting [ More info ] Unavailable
		22-29111 1 - NIPPLE [ More info ] Unavailable
		22-29111 2 - Fitting [ More info ] $9.20 Available to Order: Usually ships within 10 days.
#46 — 42917 3 — STUD (2 required per assembly) — (RESTRICTED/NORWAY MODELS)
		16-42917 3 - Stud [ More info ] $11.00 Available to Order: Usually ships within 10 days.