HOLIDAY ALERT

We will be closing at 12 PM EST on Friday, April 18th, in observance of Good Friday and Easter.
Any orders placed after this time will be processed on Monday, April 21st.
Have a happy Easter weekend!

UPS SHIPMENT ALERT

Due to the tragic UPS plane crash in Louisville, KY, some UPS shipments--including expedited packages--may be delayed. 
Our thoughts are with those affected by this incident. Thank you for your patience!

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
Sight Glasses

Sight Glasses

8 Items

Set Descending Direction
View as Grid List
  1. Small Image
    ARG Sight Glass w/Drain Plug | Groco ARG-1003
    GROCO-ARG-1003
    Qty In Stock: 4
    MSRP: $100.00 $60.61
    Add to Wishlist
  2. Small Image
    ARG Sight Glass with Drain Plug | Groco ARG-1253
    GROCO-ARG-1253
    Qty In Stock: 1
    MSRP: $112.00 $67.88
    Add to Wishlist
  3. Small Image
    ARG Sight Glass w/Drain Plug | Groco ARG-753
    GROCO-ARG-753
    Qty In Stock: 10
    MSRP: $79.00 $47.88
    Add to Wishlist
  4. Groco ARG-1503 ARG Sight Glass w/Drain Plug
    ARG Sight Glass with Drain Plug | Groco ARG-1503
    GROCO-ARG-1503
    Qty In Stock: 1
    MSRP: $162.00 $115.70
    Add to Wishlist
  5. Groco ARG-2503 ARG Sight Glass w/Drain Plug
    ARG Sight Glass w/Drain Plug | Groco ARG-2503
    GROCO-ARG-2503
    Qty In Stock: 1
    MSRP: $215.00 $130.30
    Add to Wishlist
  6. Groco ARG-3003 ARG Sight Glass w/Drain Plug
    ARG Sight Glass with Drain Plug | Groco ARG-3003
    GROCO-ARG-3003
    Qty In Stock: 1
    MSRP: $282.00 $170.91
    Add to Wishlist
  7. Groco ARG-2003 ARG Sight Glass w/Drain Plug
    ARG Sight Glass w/Drain Plug | Groco ARG-2003
    GROCO-ARG-2003
    Qty In Stock: 4
    MSRP: $194.00 $117.58
    Add to Wishlist
  8. Small Image
    ARG Sight Glass w/Drain Plug | Groco ARG-503
    GROCO-ARG-503
    Qty In Stock: 3
    MSRP: $68.00 $41.22
    Add to Wishlist

8 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
Availability
  1. In Stock 8item
Brand
  1. Groco 8item
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.
© 2025 Marine Parts Source. All Rights Reserved.