Reed Block & Cylinder Head for Mercury / Mariner (150 HP Xr-2 Marathon Magnum (V-6) (1978-1985 Combined Book)) Engine

Start Over Different Model > Different Engine Section > Reed Block and Cylinder Head

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 ]

# — 90484A88 — GASKET SET (1 required per assembly) — SN# ME-6042946/MA-6038681 & Up
		27-90484A88 - Gasket Set [ More info ] Unavailable
		18-4317 - Gasket, 27-90484A88 [ More info ] $227.58 $220.01 2 In Stock.
# — 79583A81 — GASKET SET (1 required per assembly) — SN# 5866777 THRU 6042945
		27-79583A81 - Engine Gasket Set [ More info ] Unavailable
# — NLA — No Longer Available, Gasket Set (1 required per assembly) — (Service Bulletin 81-8) SN# ME-5866776/MA-6038680 & Below
		NLA - No Longer Availab [ More info ] Unavailable
#1 — 79715 — CYLINDER HEAD (2 required per assembly) — SN# ME-6042945/MA-6038680 & Below
		79715 - Cylinder Head, NLA [ More info ] Unavailable
#1 — 96423 — CYLINDER HEAD (2 required per assembly) — SN# ME-6042946/MA-6038681 & Up
		96423 - Cylinder Head [ More info ] Unavailable
		96423T - Cylinder Head [ More info ] $357.75 Available to Order: Usually ships within 10 days.
#2 — 79583 — GASKET (2 required per assembly) — SN# ME-6042945/MA-6038680 & Below
		27-79583 - Cylinder Head Gasket [ More info ] Unavailable
		27-79583 1 - Gasket [ More info ] $75.09 10+ In Stock.
#2 — 96542 1 — GASKET (2 required per assembly) — SN# ME-6042946/MA-6038681 & Up
		27-96542 1 - Gasket [ More info ] Unavailable
		27-96281T01 - Head Gasket [ More info ] $66.75 Available to Order: Usually ships within 10 days.
		18-3863 - Head Gasket 27-96542-1 [ More info ] $44.99 $40.82 1 In Stock.
#3 — 66863 — SCREW (2-1/2") (24 required per assembly) — SN# ME-6042945/MA-6038680 & Below
		10-66863 - Screw, Priced Individually [ More info ] Unavailable
		10-66863 1 - Screw [ More info ] $1.90 10+ In Stock.
#3 — 98534 — SCREW, (.375-16 x 2.30) (24 required per assembly) — SN# ME-6042946/MA-6038681 & Up
		10-98534 - Screw [ More info ] Unavailable
#4 — 25909 — WASHER, (.406 x .812 x .065) (24 required per assembly) — SN# ME-6042946/MA-6038681 & Up
		12-25909 - Washer (.406 X .812 X .065) [ More info ] $1.80 Available to Order: Usually ships within 10 days.
#5 — 7270A 1 — COVER (2 required per assembly) — SN# ME-6042945/MA-6038680 & Below
		1026-7270A 1 - Cover, NLA [ More info ] Unavailable
#5 — 96283T — COVER (2 required per assembly) — SN# ME-6042946/MA-6038681 & Up
		96283T - Cover [ More info ] Unavailable
		96283 - Cover, NLA [ More info ] Unavailable
#6 — 65788 — GASKET (2 required per assembly) — SN# ME-6042945/MA-6038680 & Below
		27-65788 - Cylinder Cover Gasket [ More info ] $7.10 5 In Stock.
#6 — 96278 — GASKET (2 required per assembly) — SN# ME-6042946/MA-6038681 & Up
		27-96278 - Cylinder Cover Gasket [ More info ] $6.50 Available to Order: Usually ships within 10 days.
		18-2808-9 - Gasket 27-96278 2-Pack [ More info ] $20.99 $19.40 2 In Stock.
#7 — 74824 — SCREW, (.312-18 x 1.250) (26 required per assembly) — SN# ME-6042945/MA-6038680 & Below
		10-74824 - Screw - Priced Individually [ More info ] $1.70 Available to Order: Usually ships within 10 days.
#8 — 75692 — THERMOSTAT (2 required per assembly)
		75692 - Thermostat, 147 Degrees [ More info ] $24.08 10+ In Stock.
		18-3553 - Thermostat, 143 Degrees, 75692 [ More info ] $25.99 $22.66 10+ In Stock.
		5005440 - Thermostat, 143 Degrees [ More info ] $27.49 $22.51 10+ In Stock.
#9 — 62386 — GASKET, THERMOSTAT (2 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.
#10 — 90390A 1 — COVER KIT, THERMOSTAT (2 required per assembly)
		90390A 1 - Thermostat Cover Kit [ More info ] $50.43 2 In Stock.
#11 — 66023 — SCREW, (.312-18 x 2.00) Flange Head (AR required per assembly)
		10-66023 - Screw, NLA [ More info ] Unavailable
#11 — 77065 — SCREW, (.312-18 x 2) (2 required per assembly)
		10-77065 - SCREW Note: Priced Individually [ More info ] Unavailable
		10-815549 - Screw [ More info ] $5.20 $4.42 5 In Stock.
#11 — 35386 — SCREW, (.312-18 x 1.00) (2 required per assembly)
		10-35386 - Screw - Priced Individually [ More info ] $1.10 10+ In Stock.
#12 — 68727 — FITTING, (.250-18) 90 Degree - Brass (1 required per assembly)
		22-68727 - FITTING [ More info ] $17.60 1 In Stock.
		22-68727 1 - Fitting [ More info ] $31.40 1 In Stock.
#13 — 77653 77 — HOSE, (24.500 Inches Bulk) (2 required per assembly)
		32-77653 77 - Hose - 24.5 Inch [ More info ] Unavailable
		32-77653 78 - Hose-25 INCH [ More info ] Unavailable
		32-77653101 - Hose -48 Inch [ More info ] $59.50 Available to Order: Usually ships within 10 days.
#14 — 68728 — FITTING (1 required per assembly)
		22-68728 - Fitting [ More info ] Unavailable
#15 — 61990 — TIE STRAP, (14.00 Inches) (AR required per assembly)
		61990 - Tie Strap - Priced Individually [ More info ] $0.80 4 In Stock.
#16 — 97465 — SENDER, Temperature (1 required per assembly) — SN# ME-6042946/MA-6038681 & Up
		97465 - Temperature Sender [ More info ] $115.45 4 In Stock.
#16A — 78799 — SENDER, Temperature (19.50 Inch) (1 required per assembly) — SN# ME-6042945/MA-6038680 & Below
		78799 - Temperature Sender [ More info ] $109.73 3 In Stock.
#17 — 96282 — COVER, TEMPERATURE SENDER (1 required per assembly) — SN# ME-6042946/MA-6038681 & Up
		96282 - Cover, NLA [ More info ] Unavailable
#17A — 71162 — COVER, TEMPERATURE SENDER (1 required per assembly) — SN# ME-6042945/MA-6038680 & Below
		71162 - Cover [ More info ] $21.67 4 In Stock.
#18 — 45915 — TERMINAL BLOCK (1 required per assembly) — SN# 6616990 & Below
		86-45915 - Terminal Block [ More info ] $0.90 Available to Order: Usually ships within 10 days.
#19 — 69079 — SCREW, (#10-16 x .440), TERMINAL BLOCK (1 required per assembly) — SN# 6616990 & Below
		10-69079 - Screw [ More info ] $1.20 Available to Order: Usually ships within 10 days.
#20 — 99747A 2 — HOUSING (1 required per assembly)
		99747A 2 - Housing, NLA [ More info ] $132.00 2 In Stock.
#21 — 24878 — SCREW, (.250-20 x 1.25) (1 required per assembly)
		10-24878 - Screw, NLA [ More info ] $1.67 4 In Stock.
#21 — 69067 — SCREW, (.250-20 x 1.375) (1 required per assembly)
		10-69067 - Screw - Priced Individually [ More info ] $3.10 10+ In Stock.
#21 — 69093 — SCREW, (.250-20 x 1.50) (8 required per assembly)
		10-69093 - Screw, NLA [ More info ] $1.77 10+ In Stock.
#22 — 93536 1 — GASKET, REED BLOCK HOUSING (1 required per assembly)
		27-93536 1 - Gasket - Priced Individually [ More info ] $11.90 Available to Order: Usually ships within 10 days.
#23 — 65744 2 — GASKET, REED BLOCK (6 required per assembly)
		27-65744 2 - GASKET Note: Priced Individually [ More info ] Unavailable
		27-65744 3 - Gasket [ More info ] $6.80 10+ In Stock.
#24 — 75953 — REED BLOCK (6 required per assembly)
		75953 - Reed Block [ More info ] $125.61 2 In Stock.
#25 — 75362A 1 — REED ASSEMBLY (6 required per assembly) — SN# ME-6042946/MA-6038681 & Up
		34-75362A 1 - Reed Kit [ More info ] $67.50 Available to Order: Usually ships within 10 days.
#25A — 75672A 1 — REED ASSEMBLY (6 required per assembly) — SN# ME-6042945/MA-6038680 & Below
		34-75672A 1 - Reed Kit, NLA [ More info ] $35.56 9 In Stock.
#26 — 96183 — CLAMP, Reed (12 required per assembly) — SN# ME-6042946/MA-6038681 & Up
		96183 - Clamp [ More info ] Unavailable
		96183 2 - Clamp - Reed [ More info ] $9.30 $7.90 10+ In Stock.
#26A — 76653 — STOP, Reed (12 required per assembly) — SN# ME-6042945/MA-6038680 & Below
		34-76653 - REED STOP,NLA [ More info ] Unavailable
#27 — 57583 — SCREW, (#8-32 x .375), REEDS TO REED BLOCK (60 required per assembly) — SN# ME-6042946/MA-6038681 & Up
		10-57583 - Screw - Priced Individually [ More info ] $1.11 4 In Stock.
		10-57583T - Screw - Priced Individually [ More info ] $1.30 10+ In Stock.
#27A — 76497 — SCREW, REEDS TO REED BLOCK (60 required per assembly) — SN# ME-6042945/MA-6038680 & Below
		10-76497 - Screw, NLA [ More info ] $1.25 10+ In Stock.
#28 — 65746 — SCREW, (.250-20 x .750), REED BLOCK (12 required per assembly)
		10-65746 - Screw w/ Lw - Priced Individually [ More info ] $1.10 Available to Order: Usually ships within 10 days.
#29 — 27037 — STUD, (.250-28 x 1.125) (12 required per assembly)
		16-27037 - Stud [ More info ] $0.95 1 In Stock.
		16-27037 2 - Stud [ More info ] $4.10 Available to Order: Usually ships within 10 days.
#30 — 42658 — CHECK VALVE (5 OR 6 required per assembly)
		21-42658 - Check Valve [ More info ] $7.46 7 In Stock.
		21-42658 2 - Check Valve [ More info ] Unavailable
		21-42658 5 - Check Valve [ More info ] $25.17 1 In Stock.
#31 — 15133 — FITTING (90 Degree) (5 OR 6 required per assembly)
		22-15133 - Fitting [ More info ] $20.83 3 In Stock.
#32 — 99130122 — TUBING, (20.00 Feet Bulk), BLEED LINE (1 required per assembly)
		32-99130122 - Tubing-20 FEET [ More info ] Unavailable
		32-892024122 - Tubing - 20 Feet [ More info ] $47.44 7 In Stock.
#34 — 65857 — CONNECTOR (PRESS-IN) (1 required per assembly) — SN# ME-6042946/MA-6038681 & Up
		22-65857 - Fitting [ More info ] $5.50 10+ In Stock.
		22-56759 - Fitting [ More info ] $11.20 Available to Order: Usually ships within 10 days.
#34 — 79790 — FITTING (1 required per assembly) — (5/16-24 THREAD)
		22-79790 - Check Valve, NLA [ More info ] $18.38 10+ In Stock.
#35 — 64871A 2 — CHECK VALVE (1 required per assembly)
		21-64871A 2 - Check Valve Assembly, NLA [ More info ] $18.33 10+ In Stock.
#36 — 23567 — CLIP (2 required per assembly)
		54-23567 - Clip [ More info ] $5.60 $1.12 10+ In Stock.
#37 — 62568 — SCREW, (#10-16 x .375), CLAMP (2 required per assembly)
		10-62568 - Screw - Priced Individually [ More info ] $1.10 10+ In Stock.
#38 — 69205 — C WASHER (2 required per assembly)
		69205 - C Washer [ More info ] Unavailable
		8M0084613 - Washer [ More info ] $1.10 Available to Order: Usually ships within 10 days.
#39 — 73473 — WASHER (1 required per assembly) — (USE W/THREADED REF. #34)
		12-73473 - WASHER,NLA [ More info ] Unavailable