Mercruiser parts warehouse / stern drive drawings

Mercruiser parts drive shaft housing ring
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Mercruiser outdrive tech drawings
1972 thru 1990 gearcase application chart
1972 thru 1990 new lower unit
1972 thru 1990 rebuilt lower unit
1972 thru 1998 rebuilt upper gear case
Upper gearcase parts drawing number 1 thru 22
Upper gearcase parts drawing number 23 to 41
Lower gearcase parts drawings number 1 thru 24
Lower gearcase parts drawings number 25 thru 57
Lower gearcase parts drawings number 58 to 73
U-joint assembly
Anode - trim tab aluminum or magnesium
Anodes magnesium
Bearings shims seals lower gearcase
Bearings - tapered roller
Bearing (roller)
Bearing (ball type reverse gear)
Bearing - forward gear
Bearings Torrington roller
Bearing tapered for drive shaft
Bearings upper gearcase
Bearing drive shaft
Gimbal bearing
Oil seal - gimbal bearing
Bearing application lower gearcase
Bearing application chart upper gearcase
Bell Housing Components
Bell housing layout components
Bellow help guide
Bellows boats engine exhaust
Bearing carrier - lower gearcase
Bolts and screws
Bolt - trim tab
Bolt - stainless steel
Bushing assembly
Carburetor floats
Carburetor gaskets
Carburetor guide carb kits
Clip - shift shaft
Clutch dog
Cross pin - clutch dog
Cylinder head manifold gasket set
Coupler-engine
Distributor guide
Distributor Cap
Drain plug
Drive shaft - application guide
Drive shaft - lower gearcase
eBay comments
Engine overhaul gasket sets
Engine (marine) head gaskets
Engine oil pan gaskets
Engine crank shaft rear main oil seals
Electronic conversion kits
Exhaust Elbow
Fuel filter water separator
Fuel Pump
Gear set application guide
Gear set-seals-cluch-dog-bearings-shims
Gears-gear-sets upper gearcase
Gear set clutch dog
Gear ( reverse )
Gear set pinion / forward
Gimbal housing components
Housing - upper (empty)
Help guide year with serial number
Help guide diesel - year with serial number
Ignition Coils
Impellers
Impeller keys
Housing (gear case)
Key way ( bearing carrier )
Manifolds - exhaust
manifold component application
488 / 485 / 470 Engine help page
Manifold 4 cylinder 1990 & up
Manifolds GM 140hp 4Cyl. 181 CID 1968/82
Manifold set GM 229/262 V6
Manifold GM 229 / 262 V6 1983 & UP
Manifolds GM 305/350 V8 1977-1982 parts
Manifolds GM 305 327 350 before 1977
Manifold GM 305-350 V8 1983 up
Manifold GM 427 454 482 V8 (1968 -1986)
Manifold kits - aluminum
Manifold-gaskets
Nut propeller lock nut
Nuts
Nut - pinion nut
Nut - cover
Nut bearing retainer
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Oil plug - magnetic
Plug - welch
Propellers ( used )
Aluminum propellers
Propeller Hardware
Propeller shaft
Ring - upper gearcase
Screen - port insert
Screen - starboard insert
Screw - insert screen
Seal kit # 87510 lower gearcase
Seal kit (upper gearcase)
Shift crank
Shift shaft
Gasket - washer shift shaft
Shift spool
Shift cable kits
Shift cable assembly
Shims (reverse gear)
Shim application guide
Shims / Shim kits upper gearcase
Shims forward gear backlash
Shim kit lower gearcase tapered bearing
Shipping address
Solenoids-marine engine starter
Solenoids - electrical
Spring - clutch dog
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Tab washer receiver
Tab washer
Tab washer - keyed
Thermostat Housing Assembly
Thermostat kits - engine
Thrust hub
Thrust ring shim
Thrust ring
Tools
Transom service kits
Transom service kit application
Transom plate / shift cable
Trim connector kit
Trim cylinder repair components with layout
Trim cylinder hoses - 120 to 260
Trim cylinder repair
Trim cylinders application
Trim hoses ram bushings, pins 1972-1982
Trim sender limit kit
Tune Up Kits
U-joint
U-Joint socket
Upper gear set application chart
Used Merc parts
Used upper units
Upper gear housing (complete)
Voltage Regulator
Mercruiser water pump kit - impellers & keys
Engine sea water pumping
Water Pump Gaskets
Washer - hub lock
Water pumps-engine
Yoke
Yoke - drive shaft
Oil pump
Take the boat to OMC outdrives Johnson outboard
Boat trailer parts
Carrier assembly
MerCruiser upper drive shaft housing ring manufactured by GLM Marine aftermarket parts
  • Ring for the upper drive shaft housing
  • Connects to part #19 bearing retainer nut and part #21 (O-ring) in upper gearcase drawing page
  • Manufactured by GLM Marine for use with the MerCrusier upper gearcase
  • OEM # 35983
W 28390 Mercruiser ring.jpg
28390 Mercruiser ring

 28390 Ring $8.29

Please see part #20 on our upper gearcase drawing page

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