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Parts for MerCruiser Alpha One (Gen. II) 1998 & Up Special Tools-gear Housing (Standard Rotation)

No parts diagram available.

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#- 91-53459 ROD TOOL, Backlash Indicator Flag (1 required per assembly)
ROD TOOL Backlash 91-53459  
91-53459OEM Part 91-53459 - Indicator Tool (more info) About Mercury Marine $17.00 $17.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
Backlash indicator 18-9850
18-9850OEM Match 18-9850 - Indicator, 91-53459 (more info) About Sierra Marine $21.99 $21.99 Add to shopping cart
3 in stock. Explain stock levels
#- 91-61069 WRENCH, Bearing Carrier Retainer (1 required per assembly)
WRENCH            O - Replaced by 91-61069T  
91-61069This part has been superseded. WRENCH O - Replaced by 91-61069T
(more info)
    UnavailableUnavailable Parts
NUT TOOL Gear Hou 91-61069T 91-61069T
91-61069TOEM Part 91-61069T - Wrench (more info) About Mercury Marine $119.50 $119.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
Bearing Carrier Retainer Wr 18-9858
18-9858OEM Match 18-9858 - Wrench, 91-61069T (more info) About Sierra Marine $129.99 $98.66 Add to shopping cart
7 in stock. Explain stock levels
#- 91-14311A 2 PRE LOAD TOOL, Bearing (1 required per assembly)
PRELOAD TOOL      O - Replaced by 91-14311A04  
91-14311A 2This part has been superseded. PRELOAD TOOL O - Replaced by 91-14311A04
(more info)
    UnavailableUnavailable Parts
TOOL Preload 91-14311A04  
91-14311A04OEM Part 91-14311A04 - Preload Tool (more info) About Mercury Marine $161.58 $161.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
Drive Shaft Preload Tool 18-9874
18-9874OEM Match 18-9874 - Tool, 91-14311A2 (more info) About Sierra Marine $192.99 $192.99 Add to shopping cart
1 in stock. Explain stock levels
#- 12-54048 WASHER (1 required per assembly)
WASHER 12-54048  
12-54048OEM Part 12-54048 - Washer (more info) About Mercury Marine $8.40 $8.40 Add to shopping cart
4 in stock. Explain stock levels
#- 91-58222A 1 DIAL INDICATOR TOOL (1 required per assembly)
DIAL INDICATOR TO 91-58222A 1 91-58222A 1
91-58222A 1OEM Part 91-58222A 1 - Dial Indicator (more info) About Mercury Marine $184.67 $184.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-89897 HOLDING TOOL, Dial Indicator (1 required per assembly)
HOLDING TOOL Dial 91-89897  
91-89897OEM Part 91-89897 - Mount (more info) About Mercury Marine $24.25 $16.30 Add to shopping cart
10 in stock. Explain stock levels
Dial Indicator Holder 18-9866
18-9866OEM Match 18-9866 - Indicator, 91-89897 (more info) About Sierra Marine $21.99 $16.16 Add to shopping cart
1 in stock. Explain stock levels
#- 91-56775 HOLDING TOOL, Driveshaft (1 required per assembly)
HOLDING TOOL      O - Replaced by 91-56775T  
91-56775This part has been superseded. HOLDING TOOL O - Replaced by 91-56775T
(more info)
    UnavailableUnavailable Parts
HOLDING TOOL Driv 91-56775T  
91-56775TOEM Part 91-56775T - Holding Tool (more info) About Mercury Marine $44.92 $44.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
Drive Shaft Adaptor 18-9854
18-9854OEM Match 18-9854 - Adaptor, 91-56775T (more info) About Sierra Marine $44.99 $36.56 Add to shopping cart
3 in stock. Explain stock levels
#- 91-36577 DRIVER TOOL, Bearing Cup (1 required per assembly)
DRIVER CUP        O - Replaced by 91-36577T  
91-36577This part has been superseded. DRIVER CUP O - Replaced by 91-36577T
(more info)
    UnavailableUnavailable Parts
DRIVER CUP 91-36577T  
91-36577TOEM Part 91-36577T - Driver Cup (more info) About Mercury Marine $28.00 $28.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
Bearing Cup Driver 18-9831
18-9831OEM Match 18-9831 - Cup Driver, 91-36577T (more info) About Sierra Marine $32.49 $32.49 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-43506 WRENCH, Bearing Retainer (1 required per assembly)
WRENCH            O - Replaced by 91-43506T  
91-43506This part has been superseded. WRENCH O - Replaced by 91-43506T
(more info)
    UnavailableUnavailable Parts
RETAINING TOOL Be 91-43506T  
91-43506TOEM Part 91-43506T - Wrench (more info) About Mercury Marine $52.75 $52.75 Add to shopping cart
Available to order:
Usually ships
within 8 days
Drive Shaft Bearing Retaine 18-9842
18-9842OEM Match 18-9842 - Wrench, 91-43506T (more info) About Sierra Marine $47.99 $38.75 Add to shopping cart
10+ in stock. Explain stock levels
#- 91-15755 MANDREL (1 required per assembly)
MANDREL           O - Replaced by 91-15755T  
91-15755This part has been superseded. MANDREL O - Replaced by 91-15755T
(more info)
    UnavailableUnavailable Parts
MANDREL 91-15755T  
91-15755TOEM Part 91-15755T - Mandrel (more info) About Mercury Marine $38.75 $38.75 Add to shopping cart
Available to order:
Usually ships
within 8 days
Needle Bearing Driver 18-9808
18-9808OEM Match 18-9808 - Tool, 91-15755T - Special Order - No Returns (more info) About Sierra Marine $53.49 Add to shopping cart
In stock - special order item. Explain stock levels
#- 91-33491 DRIVER (1 required per assembly)
DRIVER 91-33491  
91-33491OEM Part 91-33491 - Driver (more info) About Mercury Marine $19.58 $19.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
Driver Head 18-9824
18-9824OEM Match 18-9824 - Tool, 91-33491 (more info) About Sierra Marine $20.49 $20.49 Add to shopping cart
1 in stock. Explain stock levels
#- 91-31108 DRIVER TOOL, Oil Seal (1 required per assembly)
INSTALLER         O - Replaced by 91-31108T  
91-31108This part has been superseded. INSTALLER O - Replaced by 91-31108T
(more info)
    UnavailableUnavailable Parts
DRIVER Oil Seal 91-31108T  
91-31108TOEM Part 91-31108T - Installer Tool (more info) About Mercury Marine $37.25 $37.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
Oil Seal Driver 18-9818
18-9818OEM Match 18-9818 - Tool, 91-31108T (more info) About Sierra Marine $41.99 $41.99 Add to shopping cart
1 in stock. Explain stock levels
#- 91-817569 DRIVER TOOL, Oil Seal (1 required per assembly)
DRIVER TOOL       O - Replaced by 91-817569T  
91-817569This part has been superseded. DRIVER TOOL O - Replaced by 91-817569T
(more info)
    UnavailableUnavailable Parts
DRIVER TOOL Oil S 91-817569T  
91-817569TOEM Part 91-817569T - Driver Tool (more info) About Mercury Marine $17.67 $17.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-56048 SHIMMING TOOL, Pinion Gear (1 required per assembly)
SHIMMING TOOL     O - Replaced by 91-56048T  
91-56048This part has been superseded. SHIMMING TOOL O - Replaced by 91-56048T
(more info)
    UnavailableUnavailable Parts
SHIMMING TOOL     O - Replaced by 91-56048001  
91-56048TThis part has been superseded. SHIMMING TOOL O - Replaced by 91-56048001
(more info)
    UnavailableUnavailable Parts
TOOL Shimming 91-56048001  
91-56048001OEM Part 91-56048001 - Tool - Shimming (more info) About Mercury Marine $237.50 $237.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
Pinion Gear Shimming Tool 18-9853
18-9853OEM Match 18-9853 - Tool, 91-56048T - Special Order - No Returns (more info) About Sierra Marine $268.99 Add to shopping cart
In stock - special order item. Explain stock levels
#- 91-61067A 3 ADAPTOR TOOL, Pinion Nut (1 required per assembly)
PINION WRENCH KIT O - Replaced by 91-61067A04  
91-61067A 3This part has been superseded. PINION WRENCH KIT O - Replaced by 91-61067A04
(more info)
    UnavailableUnavailable Parts
WRENCH TOOL Pinio 91-61067A04  
91-61067A04OEM Part 91-61067A04 - Wrench Kit (more info) About Mercury Marine $206.67 $206.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
Pinion Nut Adaptor 18-9857
18-9857OEM Match 18-9857 - Adaptor, 91-61067A3 (more info) About Sierra Marine $213.99 $193.57 Add to shopping cart
1 in stock. Explain stock levels
#- 91-61077 ADAPTOR TOOL, Driveshaft (1 required per assembly)
ADAPTOR TOOL      O - Replaced by 91-61077T  
91-61077This part has been superseded. ADAPTOR TOOL O - Replaced by 91-61077T
(more info)
    UnavailableUnavailable Parts
ADAPTER TOOL Driv 91-61077T  
91-61077TOEM Part 91-61077T - Adaptor Tool (more info) About Mercury Marine $57.50 $57.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-85716 PULLER TOOL (1 required per assembly)
PULLER BOLT TOOL 91-85716  
91-85716OEM Part 91-85716 - Puller Bolt (more info) About Mercury Marine $32.08 $32.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-46086A 1 PULLER JAW ASSEMBLY (1 required per assembly)
PULLER JAW ASSEMB 91-46086A 1  
91-46086A 1OEM Part 91-46086A 1 - Puller Jaw Assembly (more info) About Mercury Marine $342.67 $342.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-34569A 1 PULLER ASSEMBLY, Slide Hammer (1 required per assembly)
PULLER ASSEMBLY S 91-34569A 1 91-34569A 1
91-34569A 1OEM Part 91-34569A 1 - Puller Assembly (more info) About Mercury Marine $198.25 $198.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-66274 TORQUE WRENCH, (0-150 lb-in) (Inch Pounds) (1 required per assembly)
TORQUE WRENCH (0- 91-66274  
91-66274OEM Part 91-66274 - Torque Wrench (more info) About Mercury Marine $275.00 $275.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-821571A 1 GUIDE TOOL, Water Pump Alignment Pins (1 required per assembly)
GUIDE TOOL Water 91-821571A 1  
91-821571A 1OEM Part 91-821571A 1 - Tool Assembly (more info) About Mercury Marine $39.17 $39.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
Pump Alignment Tool 18-9872
18-9872OEM Match 18-9872 - Tool, 91-821571A1 (more info) About Sierra Marine $41.99 $33.17 Add to shopping cart
2 in stock. Explain stock levels
#- 91-31229A 7 PULLER KIT, Bearing (1 required per assembly) (INCLUDES THE FOLLOWING ITEMS)
PULLER KIT Bearin 91-31229A 7  
91-31229A 7OEM Part 91-31229A 7 - Puller Kit (more info) About Mercury Marine $305.00 $305.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
Bearing installation & remo 18-9820
18-9820OEM Match 18-9820 - Tool, 91-31229A7 (more info) About Sierra Marine $397.99 $359.81 Add to shopping cart
1 in stock. Explain stock levels
#- 91-38628 INSTALLATION TOOL, Bearing (1 required per assembly)
INSTALL TOOL-BRG  O - Replaced by 91-38628T  
91-38628This part has been superseded. INSTALL TOOL-BRG O - Replaced by 91-38628T
(more info)
    UnavailableUnavailable Parts
INSTALLER TOOL Be 91-38628T  
91-38628TOEM Part 91-38628T - Install Tool - Bearing (more info) About Mercury Marine $29.50 $29.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
Puller / Driver Head 18-9837
18-9837OEM Match 18-9837 - Head, 91-38628T (more info) About Sierra Marine $35.49 $35.49 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-30366 MANDREL (1 required per assembly)
MANDRELL          O - Replaced by 91-30366  1  
91-30366This part has been superseded. MANDRELL O - Replaced by 91-30366 1
(more info)
    UnavailableUnavailable Parts
INSTALLER TOOL    O - Replaced by 91-30366T 1  
91-30366 1This part has been superseded. INSTALLER TOOL O - Replaced by 91-30366T 1
(more info)
    UnavailableUnavailable Parts
COLLAR 91-30366T 1  
91-30366T 1OEM Part 91-30366T 1 - Installer Tool (more info) About Mercury Marine $34.42 $34.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
Mandrel 18-9816
18-9816OEM Match 18-9816 - Mandrel, 91-30366T1 (more info) About Sierra Marine $36.99 $33.31 Add to shopping cart
1 in stock. Explain stock levels
#- 91-32336 DRIVER HEAD TOOL (1 required per assembly)
DRIVER HEAD TOOL 91-32336  
91-32336OEM Part 91-32336 - Driver (more info) About Mercury Marine $22.50 $22.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
Driver Head 18-9822
18-9822OEM Match 18-9822 - Tool, 91-32336 (more info) About Sierra Marine $24.99 $24.99 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-36569 DRIVE HEAD TOOL (1 required per assembly)
DRIVEHEAD TOOL    O - Replaced by 91-36569T  
91-36569This part has been superseded. DRIVEHEAD TOOL O - Replaced by 91-36569T
(more info)
    UnavailableUnavailable Parts
DRIVE HEAD TOOL 91-36569T  
91-36569TOEM Part 91-36569T - Drivehead Tool (more info) About Mercury Marine $16.58 $16.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
Driver Head 18-9829
18-9829OEM Match 18-9829 - Tool, 91-36569T (more info) About Sierra Marine $17.99 $17.99 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-37311 DRIVER HEAD TOOL (1 required per assembly)
DRIVER HEAD TOOL 91-37311  
91-37311OEM Part 91-37311 - Driver Head (more info) About Mercury Marine $16.71 $16.71 Add to shopping cart
Available to order:
Usually ships
within 8 days
Driver Head 18-9833
18-9833OEM Match 18-9833 - Tool, 91-37311 (more info) About Sierra Marine $23.99 $23.99 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-37312 DRIVER HEAD TOOL (1 required per assembly)
DRIVER HEAD       O - Replaced by 91-37312T  
91-37312This part has been superseded. DRIVER HEAD O - Replaced by 91-37312T
(more info)
    UnavailableUnavailable Parts
DRIVER HEAD TOOL 91-37312T  
91-37312TOEM Part 91-37312T - Driver Head (more info) About Mercury Marine $24.08 $24.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
Driver Head 18-9834
18-9834OEM Match 18-9834 - Tool, 91-37312 (more info) About Sierra Marine $28.99 $28.99 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-52393 DRIVER HEAD (1 required per assembly)
DRIVER            O - Replaced by 91-52393T  
91-52393This part has been superseded. DRIVER O - Replaced by 91-52393T
(more info)
    UnavailableUnavailable Parts
DRIVER HEAD TOOL 91-52393T  
91-52393TOEM Part 91-52393T - Driver (more info) About Mercury Marine $23.25 $23.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
Driver 18-9848
18-9848OEM Match 18-9848 - Tool, 91-52393 (more info) About Sierra Marine $25.99 $25.99 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-37323 DRIVER ROD TOOL, Needle Bearings (1 required per assembly)
DRIVER ROD TOOL N 91-37323  
91-37323OEM Part 91-37323 - Driver Rod (more info) About Mercury Marine $17.08 $17.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
Driver Head 18-9835
18-9835OEM Match 18-9835 - Tool, 91-37323 (more info) About Sierra Marine $16.99 $14.10 Add to shopping cart
2 in stock. Explain stock levels
#- 11-24156 NUT, (.625-18) (1 required per assembly)
NUT (.625-18) 11-24156 11-24156
11-24156OEM Part 11-24156 - Nut - Priced Individually (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-36571 PILOT WASHER (1 required per assembly)
WASHER-PILOT      O - Replaced by 91-36571T  
91-36571This part has been superseded. WASHER-PILOT O - Replaced by 91-36571T
(more info)
    UnavailableUnavailable Parts
WRENCH TOOL Drive 91-36571T  
91-36571TOEM Part 91-36571T - Washer (more info) About Mercury Marine $17.83 $17.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
Pilot Washer 18-9830
18-9830OEM Match 18-9830 - Washer, 9136571T (more info) About Sierra Marine $17.99 $17.99 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-37324 PILOT WASHER (1 required per assembly)
WASHER            O - Replaced by 91-37324T  
91-37324This part has been superseded. WASHER O - Replaced by 91-37324T
(more info)
    UnavailableUnavailable Parts
PILOT WASHER 91-37324T  
91-37324TOEM Part 91-37324T - Washer (more info) About Mercury Marine $19.17 $19.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
Pilot Plate 18-9815
18-9815OEM Match 18-9815 - Plate, 91-37324 (more info) About Sierra Marine $20.99 $20.99 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-37350 PILOT WASHER (1 required per assembly)
WASHER            O - Replaced by 91-37350T  
91-37350This part has been superseded. WASHER O - Replaced by 91-37350T
(more info)
    UnavailableUnavailable Parts
MANDREL 91-37350T  
91-37350TOEM Part 91-37350T - Washer (more info) About Mercury Marine $19.50 $19.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
Washer 18-9836
18-9836 18-9836 - Washer - Special Order - No Returns (more info)       Special Order Please Call
#- 91-29310 PLATE (1 required per assembly)
PLATE 91-29310  
91-29310OEM Part 91-29310 - Plate (more info) About Mercury Marine $13.58 $13.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
Plate 18-9814
18-9814OEM Match 18-9814 - Plate, 91-29310 (more info) About Sierra Marine $25.99 $23.54 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-36379 PULLER HEAD TOOL (1 required per assembly)
PULLER HEAD TOOL 91-36379  
91-36379OEM Part 91-36379 - Puller Tool (more info) About Mercury Marine $30.92 $30.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
Driver Head 18-9828
18-9828OEM Match 18-9828 - Tool, 91-36379 (more info) About Sierra Marine $36.99 $36.99 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-32325 DRIVER HEAD TOOL (1 required per assembly)
PULL TOOL-BRG     O - Replaced by 91-32325T  
91-32325This part has been superseded. PULL TOOL-BRG O - Replaced by 91-32325T
(more info)
    UnavailableUnavailable Parts
DRIVER HEAD TOOL 91-32325T  
91-32325TOEM Part 91-32325T - Pull Tool - Bearing (more info) About Mercury Marine $43.67 $43.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
Driver Head 18-9821
18-9821OEM Match 18-9821 - Tool, 91-32325T (more info) About Sierra Marine $50.49 $39.93 Add to shopping cart
1 in stock. Explain stock levels
#- 91-52394 PULLER HEAD TOOL (1 required per assembly)
PULLER HEAD TOOL 91-52394  
91-52394OEM Part 91-52394 - Pull Tool - Bearing (more info) About Mercury Marine $37.25 $37.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
Pull Tool, brg. 18-9849
18-9849OEM Match 18-9849 - Bearing Tool, 91-52394 (more info) About Sierra Marine $42.49 $42.49 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-31229 SHAFT (1 required per assembly)
SHAFT 91-31229  
91-31229OEM Part 91-31229 - Shaft (more info) About Mercury Marine $28.25 $28.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
Puller Shaft 18-9819
18-9819OEM Match 18-9819 - Puller Shaft, 91-31229 (more info) About Sierra Marine $25.49 $25.49 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 91-37292 REMOVAL/INSTALLTION TOOL, Roller Bearing (1 required per assembly)
REMOVAL/INSTALLTI 91-37292  
91-37292OEM Part 91-37292 - Puller (more info) About Mercury Marine $24.83 $24.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
Bearing Puller 18-9832
18-9832OEM Match 18-9832 - Puller, 91-37292 - Special Order - No Returns (more info) About Sierra Marine $50.99 Add to shopping cart
In stock - special order item. Explain stock levels
#- 12-34961 WASHER (1 required per assembly)
WASHER 12-34961  
12-34961OEM Part 12-34961 - Washer (more info) About Mercury Marine $3.40 $3.40 Add to shopping cart
10+ in stock. Explain stock levels
Puller Washer 18-9805
18-9805 18-9805 - Washer - Special Order - No Returns (more info)       Special Order Please Call