Evinrude 100 HP 1979 Model 100990 100993 100999

Clymer - 1973-1990 CLYMER EVINRUDE/JOHNSON OUTBOARD 48-235 HP SERVICE MANUAL  B736

• Covers 48-235 HP
• 1973-1990
• Shop Manual

SELOC - Johnson/Evinrude Outboards, 1973-91 Repair Manual  #1308

• Covers all 60-235 HP, 3-Cylinder, V4 and V6, 2-Stroke Models, Includes Jet Drives
• 1973-1991
• Repair Manual

18-1243 Thermostat Valve Spring

(V4/V6 Crossflow)

18-2391 Thermostat Grommet  - V4 Crossflow

• The Sierra 18-2391 Grommet is interchangeable with the following: GLM 86481, Evinrude/Johnson 321692. Each Sierra product meets or exceeds the original equipment part it replaces.
• Sierra Grommet
• Meets or exceeds the original equipment quality
• Sierra part number: 18-2391

18-3059 Impeller

18-3211 Marine Impeller Repair Kit

18-3346 Cup and Plate Assembly

 18-3390 Water Pump Repair Kit Without Housing

18-3391 Water Pump Housing Kit - With Housing

• Sierra Water Pump Kit with Housing
• Meets or exceeds the original equipment quality
• Sierra part number: 18-3391
• Interchangeable with the following: GLM 12103, Evinrude/Johnson 395072
• Contains: 18-2557 Impeller Gasket, 18-2704 Grommet, 18-2769 Rubber Seal, (4) 18-3136 Bolt, 18-3153 Bolt, 18-3299 Impeller Key, 18-3346 Cup and Plate Assembly

 18-3392 Water Pump Repair Kit Without Housing

18-3543 Marine Thermostat

• 143 deg farenheigt

Sierra 18-3564 Poppet Relief Valve - V4 Crossflow

• Sierra Poppet Relief Valve
• Meets or exceeds the original equipment quality
• Sierra part number: 18-3564
• Interchangeable with the following: GLM 46170, Evinrude/Johnson 318395

18-3673 Thermostat Kit for V-4 Crossflow

• Sierra Thermostat Kit
• Contains: 18-0675 Thermostat Gasket, 18-0977 Thermostat Gasket, 18-2391 Grommet, 18-3564 Poppet Relief Valve, 18-1243 Valve Springs, 18-3543 Thermostat
• Sierra part number: 18-3673
• Interchangeable with the following: GLM 13270

395072 Water Pump Impeller Housing

Note:  85, 115 HP 1977 25" only

435526 Chrome Water Pump Kit

18-1350 Carrier Needle Bearing

• Sierra Carrier Bearing
• Meets or exceeds the original equipment quality
• Sierra part number: 18-1350
• Interchangeable with the following: GLM 22860, Evinrude/Johnson 379504, OMC 379504

18-1351 Carrier Needle Bearing

• Sierra Carrier Bearing
• Meets or exceeds the original equipment quality
• Sierra part number: 18-1351
• Interchangeable with the following: GLM 22870, Evinrude/Johnson 382407, OMC 382407

18-1357 Pinion Needle Bearing

• Sierra Pinion Bearing
• Meets or exceeds the original equipment quality
• Sierra part number: 18-1357
• Interchangeable with the following: GLM 22880, Evinrude/Johnson/OMC 384195

18-1365 Thrust Bearing

• Sierra Thrust Bearing
• Meets or exceeds the original equipment quality
• Sierra part number: 18-1365
• Interchangeable with the following: GLM 16330, Evinrude/Johnson 387656, 383248, OMC 387656
• Thrust Driveshaft Johnson/Evinrude 90-250hp OMC Stringer/Cobra All Models

18-1366 Thrust Bearing

• Sierra Thrust Bearing
• Meets or exceeds the original equipment quality
• Sierra part number: 18-1366
• Interchangeable with the following: GLM 16300, Evinrude/Johnson 382408

18-1371 Thrust Forward Bearing

• Sierra Thrust Forward Bearing
• Meets or exceeds the original equipment quality
• Sierra part number: 18-1371
• Interchangeable with the following: GLM 16310, Evinrude/Johnson 385043, OMC 385043, 3852221

18-2219 Reverse Gear

18-2220 Sliding Clutch

18-2221 Gear Set

• Sierra Gear Set
• Meets or exceeds the original equipment quality
• Sierra part number: 18-2221
• Interchangeable with the following: GLM 22630, Mallory 9-73560
• Fit specific, check part numbers to ensure proper fit

Gear Set Contents:

• Part #        Desc.            O.E.#
• 18-2218  Forward Gear   434063
• 18-2219  Reverse Gear   333077
• 18-2220  Sliding Clutch   323664

18-2229 Driveshaft Shim

.003", 1.24 ID

18-2230 Driveshaft Shim

.004", 1.24" ID

18-2231 Driveshaft Shim

.005", 1.24" ID

18-2252 Prop Shaft

• Sierra Prop Shaft
• Meets or exceeds the original equipment quality
• Sierra part number: 18-2252
• Interchangeable with the following: GLM 22416, Evinrude/Johnson 436888, 387818, OMC 387818
• Fit specific, check part numbers to ensure proper fit

18-3705 Marine Prop Nut

18-3716 Marine Prop Nut Kit

Prop Kit Contents:

• Part #      O.E.#   Description
• 18-3705  314503   Prop Nut
• 18-3742  314502   Cotter Pin
• 18-4228  315810   Prop Spacer

18-3742 Marine Cotter Pin

• Sierra Cotter Pin
• Meets or exceeds the original equipment quality
• Sierra part number: 18-3742-9
• Interchangeable with the following: GLM 22120, Evinrude/Johnson 314502, OMC 314502
• Size: 1/8 x 1-1/4"

18-4222 Thrust Washer

18-4232 Marine Prop Spacer

40 - 140 HP Aluminum Propellers for Large (4-1/4") Gearcase and Thru-Hub Exhaust

Fits the following Evinrude Johnson Outboards

• 40-140 HP (Large Gearcase & Thru-Hub Exhaust)
• 13 Tooth Spline, 4-1/4 inch gearcase
• Be sure to count the number of spline teeth on your prop shaft.

• 40-75 HP (Large Gearcase & Thru-Hub Exhaust) Pleasure
• 40 HP E-TEC  2004-Newer
• 50 HP 2 Cyl  1971-1974
• 50 HP 3 Cy   1994 & 1998
• 50 HP E-TEC 2004-Newer
• 55 HP 3 Cyl  1968-1969
• 55 HP E-TEC 2009-Newer
• 60 HP 3 Cyl  1970-1971, 1986-2001
• 60 HP E-TEC 2004-Newer
• 60 HP 4-Stroke 1998-Newer
• 65 HP 3 Cyl  1972-1973
• 65 HP Pontoon Series  2014-Newer
• 70 HP 3 Cyl  1974-Newer
• 70 HP 4-Stroke  1998-Newer
• 75 HP 3 Cyl  1975-1984
• 75 HP  2004-Newer
• 85 HP  1969-1980, 1991-1995
• 88 HP  1981-Newer
• 90 HP  1981-Newer
• 90 HP E-TEC   2004-Newer
• 100 HP  1979-1980, 1988-Newer
• 110 HP  1986-1989
• 115 HP & 115 HP HO  1973-Newer
• 115 HP E-TEC 2004-Newer
• 120 HP  1986-1994
• 125 HP  1971-1972
• 130 HP E-TEC 2009-2010
• 135 HP  1973-1976
• 140 HP  1977-1994

• 45-140 HP (Large Gearcase & Thru-Hub Exhaust) Commercial
• 45 HP 2 Cyl  1986-1995
• 45 HP 1986-Newer
• 50 HP 2 Cyl  1977-1979
• 55 HP 2 Cyl  1980-Newer
• 60 HP 1971-1974
• 65 HP 1972-1973
• 65 HP 3 Cyl  1984 -2001
• 70 HP 3-Cyl. 1974-2001

Michigan Vortex Aluminum Props,  XHS Drop-In Hub

• B Series Propellers Using XHS 206 or XHSII 210  Drop-In Hub Kit
• 13 Tooth Spline, 4-1/4 inch Gearcase, Thru-Hub Exhaust
• Do NOT use Gearcase Adapter Ring Supplied with the propeller.
• Note:  For 60 HP & 70 HP 4-Stroke engine applications, 1998 & Newer, use XHSII 210  Drop-In Hub Kit.  For all other engine, applications use XHS 206  Drop-In Hub Kit
• Note:  When replacing Interchangeable Hub Evinrude aluminum propeller with Michigan Match, Michigan Match Thrust Washer P/N 990406 is required.

Pitch is how far, in inches,  the boat would travel with one prop rotation (under ideal conditions).  Higher pitch = Faster, Lower Pitch = Slower and more power.

BRP Evinrude/Johnson OMC and Michigan Aluminum Propellers

Note:  When replacing Interchangeable Hub Evinrude aluminum propeller with Michigan Match, Michigan Match Thrust Washer P/N 990406 is required.

Pitch is how far, in inches,  the boat would travel with one prop rotation (under ideal conditions).  Higher pitch = Faster, Lower Pitch = Slower and more power.

Other compatible propeller options:

40 - 140 HP Aluminum Propellers for Large 4-1/4" Gearcase and Thru-Hub Exhaust

40 - 140 HP Stainless Steel Propellers for Large 4-1/4" Gearcase and Thru-Hub Exhaust

Return to Propellers:

6211188  Starter Drive Assembly

• Fits: 9.9/15 4-Stroke, (1997 & up)
• Fits 85 thru 115 (1973-1999) Crossflow  - (Sierra 18-5634, OEM 586283, 584613 Starter)

18-5697 Starter Brush and Spring Set

• Sierra Brush and Spring Set
• Meets or exceeds the original equipment quality
• Sierra part number: 18-5697
• Interchangeable with the following: Arco BK900, Chrysler F15164, 74384, Evinrude/Johnson 385952, Mercury 75384, 57390, 63292, 753841, 898265016, Mercury 75384

583408 582399 Regulator Rectifier

• Replace: 582399, 583408, CDI 153-3408, Sierra 18-5708
• 3 Wires for Outboard Evinrude Johnson
• Three months warranty.

18-5808 STARTER SOLENOID

OMC Solenoid For 15-288 Saz4201J 172869 581528 18-5814

18-7038 Carburetor Needle and Seat

18-7046 Carburetor Kit

18-7093 Sierra Carburetor Needle and Seat

18-7352 Fuel Pump

• Sierra Fuel Pump
• Uses Kit: 18-7821
• Meets or exceeds the original equipment quality
• Sierra part number: 18-7352
• Interchangeable with the following: Evinrude/Johnson 385781, 388268, 394543, 395713, 382354, 398387, 438556, 432451, 398338, 433387, Mallory 9-35352

18-7820 Fuel Pump Kit 

• Sierra Fuel Pump Kit
• Contains 18-0850 Fuel Pump Gasket, 18-2900 Cap to Fuel Pump Gasket
• Sierra part number: 18-7820
• Interchangeable with the following: GLM 40820, Evinrude/Johnson 393103, Mallory 9-37702

438556 Evinrude Johnson OMC BRP Replacement Fuel Pump 20-140 HP

It of often cheaper to replace the entire fuel pump than to buy a repair kit.

18-4303 Sierra Powerhead Gasket Set

• Gasket Kit, Powerhead Johnson/Evinrude V4 Crossflow 1977-1992
• Replaces: 439085,391300 18-4303-1, 389556, 39080, 391300, 439085, 9-64112

Gasket Set Contents:

• 18-0850 Fuel Pump Mtg Gasket  303615             1
• 18-2876 By-Pass Cover Gasket  307133             4
• 18-2866 Exhaust Cover Gasket  317914             2
• 18-0953 Water Passage Gasket  317951            1
• 18-0117 Exhaust Plate Gasket   317995             1
• 18-2873 Gasket                         318335             2
• 18-2956 Water Jacket Head Gasket 318358         2
• 18-2867 Manifold to Crankcase Gasket 319174    1
• 18-2857 Air Silencer to Carb. Gasket  386573, 319771         2
• 18-0985 Air Silencer Gasket             321722        1
• 18-2864 Adapter to Powerhead Gasket 321727     1
• 18-0991 Leaf Plate Gasket              321907           4
• 18-2547 Water Pass.Cover Gasket  322858          1
• 18-0102 Exhaust ManifoldGasket    323469           1
• 18-0134 Intake Plate Gasket          326926           1
• 18-0977 Thermostat Gasket           332369           2

18-2001 Oil Seal

18-2595 GASKET SET,SHIFT ROD & WEAR PLTE

18-2956 Head Gasket

 18-3898 Low Compression Head Gasket

• Sierra Head Gasket
• Meets or exceeds the original equipment quality
• Sierra part number: 18-3898
• Interchangeable with the following: GLM 35650, Evinrude/Johnson 332819

18-5176 Ignition Coil

18-5759 Power Pack

Champion 828M Spark Plug Ql77JC4

Also see:  Champion (5828) Stainless Steel Marine Plug Spark Plug

Also Fits Mercury Outboard

• 280 HP 2002 Offshore  2.5L EFI
• 280 HP 2002 Sport, SS 2.5L EFI
• 18 HP 1985-1980
• 9.8 HP 1985-1979
• 7.5 HP 1985-1979

Champion L77JC4 (821M) Copper Plus Small Engine Spark Plug

• .030 Gap

See Also:  Champion (5828) Stainless Steel Marine Plug Spark Plug

18-1374 Wrist Pin Bearing

• Sierra Wrist Pin Rod
• Meets or exceeds the original equipment quality
• Sierra part number: 18-1374
• Interchangeable with the following: GLM 16220, Evinrude/Johnson 395627, Mallory 9-51103, Wiseco W5217

18-1377 Center Main Bearing

• Sierra Center Main Bearing
• Meets or exceeds the original equipment quality
• Sierra part number: 18-1377
• Interchangeable with the following: GLM 22710, Evinrude/Johnson 352960, 320499

18-3904 Marine Piston Ring

3.500 inch Standard Bore

18-3905 Marine Piston Ring

• 4 and 6 cylinder
• 3.53 inch bore (.03 oversize)
• OMC 396504

18-4040 Marine Needle Bearing

18-4075 Connecting Rod Bolt

• Replaces OEM part # 308186

18-4100 Piston Kit  .030 Oversize

• 3.53 inch (.03 oversize)
• OMC 396585, 396588
• GLM Part Number: 24030; Sierra Part Number: 18-4100; OMC Part Number: 5006669

18-4110 Piston

• 4 and 6 Cylinder
• 3.52 inch bore size (.02 oversize)

18-4120 Piston Kit - Standard Bore

• Sierra Piston Kit
• 85-300 HP, 4 and 6 cylinder
• Bore Size: 3.500 (Standard Bore)
• Sierra part number: 18-4120
• Interchangeable with the following: GLM 24010, Evinrude/Johnson 393271, 393924, 5006658. 5006661, Mallory 9-53420, Wiseco 3073PS, 3173PS
• Fit specific, check part numbers to ensure proper fit

392591 Connecting Rod

• Johnson Evinrude Connecting Rod
• 392591
• C# 321712

Sierra 18-1361 Rod Crank End Bearing

• ierra Rod Crank End Bearing
• Meets or exceeds the original equipment quality
• Sierra part number: 18-1361
• Interchangeable with the following: GLM 22820, Evinrude/Johnson 387787, Mallory 9-51100
• Fit specific, check part numbers to ensure proper fit

Sierra 18-1386 Powerhead Bearing Kit

• Sierra Powerhead Bearing Kit
• Meets or exceeds the original equipment quality
• Sierra part number: 18-1386
• Contains the following: 18-1353 Center Main Bearing, 18-1377 Center Main Bearing, 18-1374 Wrist Pin Bearing, 18-1395 Lower Crankshaft Bearing, 18-1361 Rod Crank Bearing

18-1395 Lower Crankshaft Bearing

• Sierra Lower Crankshaft Bearing
• Meets or exceeds the original equipment quality
• Sierra part number: 18-1395
• Interchangeable with the following: Evinrude/Johnson 385503, Mallory 9-51106

18-3906 Marine Piston Ring

• 3.53 inch (.03 oversize)

18-2692 Marine Lower Unit Seal Kit

Note: 85, 90, 100, 110, 115, 135, 140 HP -  V4 Only

Seal Kit Contents:

• Part #     Desc.    O.E.#    Qty.
• 18-0110 Shift Housing Gasket 324670  1
• 18-2026 Oil Seal 321453    2
• 18-2874 Solenoid Cover Gasket 314876  1
• 18-4248 Washer 311598   2
• 18-7109 O-Ring 317178    4
• 18-7120 O-Ring 322598    1
• 18-7127 O-Ring 313446    1
• 18-7130 O-Ring 314728    1
• 18-7137 O-Ring 318372    1
• 18-2001 Oil Seal 330137   2

18-2218 Forward Gear Set

18-7111 O-Ring

ID: 0.197, Width 0.113

5006703 Piston Kit  .020 Oversize

18-2026 Marine Oil Seal for OMC

Size: 0.875, OD: 1.250, 0.188

18-2074 Oil Seal

Size: 1.625, OD: 2.125, Width: 0.250

18-5634 Starter for V4 Crossflows