TRICO Color Coded Grease Zerk Caps: 3/4 in Overall Lg, Yellow
The TRICO Color Coded Grease Zerk Cap (MPN 37028) is a yellow, nitrile rubber washer for grease fittings with a 3/4 in overall length. As a TRICO-branded component, it is designed to cap and protect grease zerks. 3G…
SKU 3G-OTH-592057
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Product Description
The TRICO Color Coded Grease Zerk Cap (MPN 37028) is a yellow, nitrile rubber washer for grease fittings with a 3/4 in overall length. As a TRICO-branded component, it is designed to cap and protect grease zerks. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments—including pneumatics, hydraulics, and material handling—with specialist depth in pumps and controls as an authorised distributor for brands like TRICO, ensuring the right solution for your application.
Frequently Asked Questions
What is the TRICO Color Coded Grease Zerk Cap used for?
The TRICO Color Coded Grease Zerk Cap (MPN 37028) is a yellow, nitrile rubber washer designed to cap and protect grease fittings on industrial equipment. It prevents dirt and contaminants from entering the zerk, extending the life of bearings and machinery in pneumatics, hydraulics, and material handling applications.
What are the specifications of the TRICO 37028 grease zerk cap?
The TRICO 37028 grease zerk cap is a yellow, nitrile rubber washer with a 3/4 in overall length. It is made from nitrile rubber for durability and chemical resistance. This TRICO-branded component is designed to fit standard grease zerks and protect them from contamination.
Where to buy TRICO grease zerk caps worldwide?
3G Electric supplies TRICO grease zerk caps worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine TRICO components like the 37028 cap to your facility. Contact us for availability and lead time on your order.
How to install a TRICO grease zerk cap?
To install a TRICO grease zerk cap, simply press the yellow nitrile rubber cap firmly onto the grease fitting until it seats securely. Ensure the zerk is clean and dry before installation. The cap protects the fitting from debris and can be removed easily for greasing. Replace if damaged.
Used in
Common applications for TRICOTRICO Products
3G Electric supplies TRICO washers for grease fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









