Mercruiser Outdrive Parts Drawings *How to Videos

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Mercruiser lower unit part *Port side insert screen

GLM Marine aftermarket port side insert screen for lower unit

21880 Mercruiser Alpha 1 port screen

21880 Mercruiser Alpha 1 port screen

# 21880 Port side insert screen $4.95

Customers who viewed this item all so
purchased one of the following:

12822 screw

12822 screw

P/N 12822 Mercruiser insert screen screw *5 units $5.29

21905 Outdrive gimbal bearing

21905 Outdrive gimbal bearing

Compatible with Mercruiser 120/140, 470/485, 165, 888, 225/233, 898/228, 250/260, R, MR, Alpha 1/Gen II, Bravo models manufactured in the United States by GLM Marine.

Larger area between seals allows for up to 30% more grease filling and low carbon steel cage allows higher temperature operation also included in the GLM bellows kit P/N 21905 Gimbal bearing OEM 30-862540A3, 30-60794A4, 3853807, 983987

23270 Driven gear outside race shim set

23270 Driven gear outside race shim set

Mercruiser shim kit

P/N 23270

Installed under driven gear for Shim kit OEM 15-36178A1 for bearings P/N 21540, 21550 and 21560 replaces OEM 15-36178A1.

90100 Mercruiser tools bearing retainer wrench

90100 Mercruiser tools bearing retainer wrench

GLM aftermarket Mercruiser bearing retainer wrench for MC-1/R/MR/Alpha One/Alpha One Gen 2, Blackhawk, and Bravo.

Installs and removes drive shaft bearing retainer for use with the bearing retainer nut P/N 8350

P/N 90100 GLM Marine aftermarket Mercruiser drive shaft bearing retainer wrench 91-17256 $75.95

88010 Mercruiser outdrive water pump and seal kit

88010 Mercruiser outdrive water pump and seal kit

Lower unit water pump P/N 88010 and upper - lower gearcase seal kits $99.00

Compatible with models 1 and R (1970 - 1983)
Serial numbers 2663442 - 6225576

Includes:
P/N 87500 / 26-32511A1 Upper housing seal set
P/N 87510 / 26-33144A2 Lower seal set
P/N 89840 / 47-89984T4 Impeller
P/N 11070 / 28-56654 Key
P/N 12410 / 46-96148T1 Housing
P/N 12322 / 46-44292A3 Base
P/N 12820 / 23-29804T Guide tube
P/N 12810 / 48752 Cup
P/N 12510 / 32435 Wear plate
P/N 31010 / 27-85608-1 Gasket

11247 Teeth 20-24 ratio 2.4 or 1.94 years 1998-up

GLM Marine Products aftermarket gears for upper gearcase and lower units all models


Outdrive forward, pinion and reverse gears for all models including MC-1 / R / MR and Alpha One and Generation 2 compatible with 120/140 4 cylinder, inline 6 cylinder, V6 and 5.0-5.7 liter V8 motors.

Upper and lower unit gear sets with bearings and shims, ratios, years and serial numbers. See our application chart for lower and upper units for help with choosing the right one for your model Limited selection of used gears also available.

90190 Mercruiser tool bearing carrier retainer wrench

90190 Mercruiser tool bearing carrier retainer wrench

P/N 90190 Bearing carrier retainer wrench OEM 91-61069T $97.95

Bearing carrier wrench, bearing puller and pinion nut adapter

Shift shaft bushing, outdrive bearing race and seal drivers. Mercury outboard and Mercruiser stern drive prop wrench kit

Tools are compatible with Alpha 1 and generation 2, Bravo, MR, and Mercruiser outdrives