HOLIDAY ALERT

We will be closed on Wednesday, December 31st & Thursday, January 1st in observance of the New Year holiday.
Any orders placed after this time will be processed on Friday, January 2nd.

To all our customers - thank you for an amazing 2025!  Have a Happy New Year!

SHIPPING ALERT
Due to the expected winter storm affecting much of the country, some shipments may delayed throughout the next week.
We apologize for any inconvenience this may cause.

WE WANT TO HEAR FROM YOU!

We strive to make improvements that make it easier to serve your boating needs.
We’d like to know more about you and how we can do the best job possible for you.
Please take the time to complete this brief 3-5 minute survey to help us serve you better.

FREE Ground Shipping on Orders over $100!  Exceptions apply - see details.

Toggle Nav
  • Sign In
  • Create an Account
My Cart
Search
Menu
Account
Settings
Tools & Shop Supplies

Tools & Shop Supplies

28 Items

Set Descending Direction
View as Grid List
  1. Small Image
    1-1/16 inch Rustproof Polymer Propeller Nut Wrench
    Sierra 18-4459
    Qty In Stock: 3
    MSRP: $37.49 $25.28
    Add to Wishlist
  2. Small Image
    Fuel Filter Tool
    Sierra 18-79814
    Qty In Stock: 3
    MSRP: $13.29 $8.89
    Add to Wishlist
  3. Sierra 18-79816 Ethanol Fuel Tester
    Ethanol Fuel Tester
    Sierra 18-79816
    Qty In Stock: 0
    MSRP: $12.39 $8.28
    Add to Wishlist
  4. Small Image
    Manual
    Sierra 18-03608
    Qty In Stock: 0
    MSRP: $63.39 $48.58
    Add to Wishlist
  5. Spark Tester
    Spark Tester
    Sierra 18-8960-1
    Qty In Stock: 1
    MSRP: $118.89 $112.12
    Add to Wishlist
  6. Small Image
    Mercruiser Stern Drive Technical Repair Manual
    Sierra 18-03206
    Qty In Stock: 0
    MSRP: $63.39 $48.58
    Add to Wishlist
  7. Sierra 18-9788 Gear Lube Pump - 5 Gallon
    Gear Lube Pump - 5 Gallon
    Sierra 18-9788
    Qty In Stock: 6
    MSRP: $180.09 $116.84
    Add to Wishlist
  8. Small
    2 Stroke Oil Mixing Bottle
    Sierra 18-9798
    Qty In Stock: 4
    MSRP: $9.69 $6.36
    Add to Wishlist
  9. Small Image
    Outboard Gear Lube Adapter Suzuki/Metric 10-1.25 thread
    Sierra 18-9795
    Qty In Stock: 0
    MSRP: $13.79 $8.93
    Add to Wishlist
  10. Small Image
    Oil Filter Wrench
    Sierra 18-9790
    Qty In Stock: 3
    MSRP: $21.69 $14.52
    Add to Wishlist
  11. Small Image
    Marine Engine Alignment Tool
    Sierra 18-4442
    Qty In Stock: 4
    MSRP: $194.89 $126.42
    Add to Wishlist
  12. Small Image
    Gimbal Bearing Puller Tool
    Sierra 18-79820-2
    Qty In Stock: 0
    MSRP: $499.69 $365.52
    Add to Wishlist
  13. Small Image
    Spanner Nut Wrench
    Sierra 18-9803
    Qty In Stock: 4
    MSRP: $133.19 $86.34
    Add to Wishlist
  14. Small Image
    Bearing Carrier Puller Tool
    Sierra 18-79813
    Qty In Stock: 0
    MSRP: $458.19 $315.36
    Add to Wishlist
  15. SM SIERRA 18-9896
    Lifting Eye Tool
    Sierra 18-9896
    Qty In Stock: 2
    MSRP: $46.79 $32.76
    Add to Wishlist
  16. Small Image
    Gimbal Bearing Installer
    Sierra 18-79825
    Qty In Stock: 6
    MSRP: $81.49 $52.85
    Add to Wishlist
  17. Small Image
    DVA Adapter
    Sierra 18-99534
    Qty In Stock: 5
    MSRP: $143.10 $114.85
    Add to Wishlist
  18. Small Image
    Bushing Tool
    Sierra 18-9817
    Qty In Stock: 2
    MSRP: $27.09 $18.23
    Add to Wishlist
  19. Small Image
    Bellows Expander Tool
    Sierra 18-9847
    Qty In Stock: 4
    MSRP: $82.09 $62.87
    Add to Wishlist
  20. Small Image
    Hinge Pin Tool
    Sierra 18-9861
    Qty In Stock: 7
    MSRP: $28.89 $19.13
    Add to Wishlist
  21. Small Image
    Shift Cable Adjustment Tool
    Sierra 18-9807
    Qty In Stock: 3
    MSRP: $15.09 $9.78
    Add to Wishlist
  22. Small Image
    Tapered Insert Tool
    Sierra 18-9844
    Qty In Stock: 8
    MSRP: $38.09 $26.66
    Add to Wishlist
  23. Small
    Intermediate Shift Cable Snake
    Sierra 18-9879
    Qty In Stock: 8
    MSRP: $45.99 $30.21
    Add to Wishlist
  24. Small Image
    Sleeve Installation Tool
    Sierra 18-9870
    Qty In Stock: 3
    MSRP: $57.39 $37.21
    Add to Wishlist
  25. Small Image
    Oil Filter Wrench
    Sierra 18-9789
    Qty In Stock: 3
    MSRP: $22.09 $14.75
    Add to Wishlist
  26. Sierra 18-9794 Outboard Gear Lube Adapter Mercury Nissan Yamaha Honda Tohatsu - Metric 8-1.25 Thread
    Outboard Gear Lube Adapter Mercury Nissan Yamaha Honda Tohatsu - Metric 8-1.25 Thread
    Sierra 18-9794
    Qty In Stock: 10
    MSRP: $9.69 $5.17
    Add to Wishlist
  27. Sierra 18-9778 Oil Filter Swivel Wrench - 2-7/16 in. thru 3 in.
    Oil Filter Swivel Wrench - 2-7/16 in. thru 3 in.
    Sierra 18-9778
    Qty In Stock: 1
    MSRP: $23.69 $15.30
    Add to Wishlist
  28. SIERRA 18-9806E Mercruiser shift cable tool
    Mercruiser Shift Cable Tool
    Sierra 18-9806E
    Qty In Stock: 2
    MSRP: $49.69 $36.70
    Add to Wishlist

28 Items

Set Descending Direction
View as Grid List

Sorry, is not an active item in our system. However, we may still be able to help you. Please email us at support@marinepartssource.com or call us at (866)388-0390 for assistance. Please make sure to have the item number handy when you contact us.

Shop By
Shopping Options
Category
  1. Lube Pumps 4
  2. Oil Filter Wrenches 3
  3. Motor Flushers 0
  4. Ethanol Fuel Testers 1
  5. 2 Stroke Oil Mixing Bottles 1
  6. Shop Manuals 2
  7. Specialty Tools 18
My Wish List
Last Added Items
  1. Add to Cart
    Remove This Item
Go to Wish List
You have no items in your wish list.
© 2026 Marine Parts Source. All Rights Reserved.