Serial 0B721206 Thru 0D805068 - Alpha Drives

Seal Driver 91-43591T

Installs the upper drive shaft oil seal on the Alpha One and Alpha One Gen II drive units.

Supercedes: 91-43591

Seal Driver 91-44110T

Installs the oil seals in the water pump base on the Alpha One and Alpha One Gen II drive units.

Supercedes: 91-44110

Seal Driver 91-864497

Installs double lip seal in driveshaft housing.

Shift Cable Tool 91-12037

Installs the shift shaft upper bushing in the R-MR, Alpha One and the earlier Alpha One Gen II transom assemblies.

Shift Cable Tool replaces MerCruiser part # 91-12037

Installs & removes shift cables on MC-1 / R / MR / Alpha One / Alpha One Gen II

Shift Shaft Bushing Tool replaces MerCruiser part # 91-31107T

Removes & installs the shift shaft bushing in the Gearcase of MC-1 / R / MR / Alpha One drive units

Shift Shaft Bushing Tool 91-31107T

Removes and installs the shift shaft bushing in the gear case in the MC-1, R-MR and Alpha One drive units.

Supercedes: 91-24150, 91-23033, 91-23033T, 91-23033T

Shift Shaft Slide Stabilizer 91-865232

Use to hold the Alpha shift shaft slide in the proper position as the drive unit is installed onto the bell housing studs.

Shimming Tool, Drive Gear 91-60523

Measures the upper drive gear clearance on the MC-1, R-MR, Alpha One and Alpha One Gen II.

Shimming Tool, Driven Gear 91-60526T

Measures the upper driven gear clearance on the MC-1, R-MR, Alpha One and Alpha One Gen II drive units.

Supercedes: 91-45877, 91-60526

Shimming Tool, Driven Gear 91-854377

Use to shim the driven gear on the Alpha One Gen II starting with serial Number 0L100009 and above. Can be identified by the letters "A, B, C."

McGard Stern Drive Locks - Single Drive MerCruiser Alpha & Bravo Stern Drive Lock

• Overall Lock Length: .750"
• Thread Size: 7/16" - 20
• Hex Size: 5/8"
• Set of 1 Lock, 1 Key and 1 Cap

Stern Drive Applications: Mercruiser Alpha, Bravo I-III (incl. X & XR), Blackhawk, Vazer, OMC Cobra & King Cobra, Volvo SX, DP-S. Note: Only works on 2003 and earlier models of Bravo III.

Stern drive theft is on the rise, don't take a chance on losing your favorite outdrive or prop, for that matter be safe not sorry. Simply replace one of the stern drive mounting nuts with a McGard lock. Stern drive locks are fully machined from high quality stainless steel and through-hardened. This proven design features a free-spinning collar that turns if attacked by gripping tools without loosening the lock. Give yourself the best protection available against stern drive theft. Ask for McGard Marine Locks by name.

Sleeve Installation Tool 91-818162

Installs the aluminum sleeve in the U-Joint bellows of all the Alpha One Gen II, Blackhawk and all Bravo drive units.

Sleeve Removal Tool 91-818169T

Removes the aluminum sleeve from the U-joint bellows of the Alpha One Gen II drive units.

Supercedes: 91-818169

Spanner Wrench 91-821709T

Removes the trim cylinder end cap on all Mercury MerCruiser and Mariner trim cylinders. Uses interchangeable pin sets:
91-811907 Large pin set 0.235 in. (5.97 mm)
91-811908 Medium pin set 0.180 in. (4.57 mm)
91-811909 Small pin set 0.150 in. (3.81 mm)

Supercedes: 91-821709

Torque Wrench, lb-in. 91-66274

Sets torques from 9 to 150 lb-in; 3/8 in. drive.

Transom Cutout and Drill Fixture 91-43693A2

Use for cutting and drilling the boat transom for sterndrive installation.

Supercedes: 91-71024A2

Trim Pump Test Gauge Kit 91-52915A6

Use in various trim pump tests.

Supercedes: 91-52915A8, 91-52915A3

U-joint Adaptor 91-38756

Supports the yoke when disassembling U-joint on all the drive units.

Upper Drive Shaft Housing Seal Driver 91-817570T

Installs the seals in the Alpha One Gen II drive shaft housing.

Supercedes: 91-817570