HOLIDAY ALERT

We will be closed on Friday, July 3rd in observance of the Independence Day holiday weekend.
Any orders placed during this time will be processed on Monday, July 6th.

Have a Happy 4th of July!

IMPORTANT BULLETIN
The EPA has recently approved the temporary sale of E15-blended gasoline.  E15 is strictly prohibited by law for use in marine engines.

What you need to know...

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
Waterlock

Waterlock

16 Items

Set Descending Direction
View as Grid List
  1. Vetus LSG75 75 MM LSG Waterlock Muffler
    75 mm LSG Waterlock Muffler
    Vetus LSG75
    Qty In Stock: 0
    MSRP: $676.73 $557.21
    Add to Wishlist
  2. vtwlockl40r_lg
    40 mm WLOCKR Waterlock Muffler
    Vetus WLOCKL40R
    Qty In Stock: 5
    MSRP: $206.26 $187.16
    Add to Wishlist
  3. vtwlockl50r_lg
    50 mm WLOCKR Waterlock Muffler
    Vetus WLOCKL50R
    Qty In Stock: 5
    MSRP: $206.26 $187.16
    Add to Wishlist
  4. Vetus NLP40 40 MM Dual Stage NLP Waterlock Muffler
    40 mm Dual Stage NLP Waterlock Muffler
    Vetus NLP40
    Qty In Stock: 1
    MSRP: $286.14 $237.09
    Add to Wishlist
  5. Vetus LSS45A 45 MM LSSA Waterlock Muffler
    45 mm LSSA Waterlock Muffler
    Vetus LSS45A
    Qty In Stock: 0
    MSRP: $406.06 $331.64
    Add to Wishlist
  6. Vetus LSS50A 50 MM LSSA Waterlock Muffler
    50 mm LSSA Waterlock Muffler
    Vetus LSS50A
    Qty In Stock: 2
    MSRP: $406.06 $331.64
    Add to Wishlist
  7. Vetus NLP40HD 40 MM Heavy Duty Waterlock
    40 mm Black Heavy Duty Dual Stage Waterlock Muffler
    Vetus NLP40HD
    Qty In Stock: 0
    MSRP: $364.01 $301.58
    Add to Wishlist
  8. Vetus NLP45HD 45 MM Heavy Duty Waterlock
    45 mm Black Heavy Duty Dual Stage Waterlock Muffler
    Vetus NLP45HD
    Qty In Stock: 0
    MSRP: $364.01 $301.58
    Add to Wishlist
  9. Vetus NLP50 50 MM Dual Stage NLP Waterlock Muffler
    50 mm Dual Stage NLP Waterlock Muffler
    Vetus NLP50
    Qty In Stock: 0
    MSRP: $286.14 $237.09
    Add to Wishlist
  10. Vetus NLP50HD 50 MM Heavy Duty Waterlock
    50 mm Heavy Duty Dual Stage Waterlock Muffler
    Vetus NLP50HD
    Qty In Stock: 0
    MSRP: $364.01 $301.58
    Add to Wishlist
  11. Vetus 50NLPSHD 50 MM Super Heavy Duty Waterlock
    50 mm Super Heavy Duty Waterlock
    Vetus NLP50SHD
    Qty In Stock: 0
    MSRP: $535.56 $442.69
    Add to Wishlist
  12. Vetus NLP60HD 60 MM Heavy Duty Waterlock
    60 mm Heavy Duty Waterlock
    Vetus NLP60HD
    Qty In Stock: 0
    MSRP: $535.56 $442.69
    Add to Wishlist
  13. Vetus NLP75 75 MM Dual Stage NLP Waterlock Muffler
    75 mm Dual Stage NLP Waterlock Muffler
    Vetus NLP75
    Qty In Stock: 0
    MSRP: $433.88 $359.02
    Add to Wishlist
  14. Vetus NLP75HD 75 MM Heavy Duty Waterlock
    75 mm Heavy Duty Waterlock
    Vetus NLP75HD
    Qty In Stock: 0
    MSRP: $535.56 $442.69
    Add to Wishlist
  15. Vetus NLP75WHD White Heavy Duty Waterlock
    75 mm White Heavy Duty Dual Stage Waterlock Muffler
    Vetus NLP75WHD
    Qty In Stock: 0
    MSRP: $458.64 $322.21
    Add to Wishlist
  16. Vetus NLP90HD 90 MM Heavy Duty Waterlock
    90 mm Heavy Duty Dual Stage Waterlock Muffler
    Vetus NLP90HD
    Qty In Stock: 0
    MSRP: $535.56 $442.69
    Add to Wishlist

16 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.

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.