🗸 1/2" AG STYLE PROTECTIVE DUST CAP SET – A high-quality, essential accessory kit designed to shield your hydraulic system from dirt, moisture, and debris. Maintaining clean hydraulic connections is the simplest way to extend the lifespan of your equipment’s hydraulic pumps and valves.

🗸 PREMIUM SILICON RUBBER: Crafted from high-grade silicon rubber, these caps offer superior natural resistance to oxidation, prolonged sunlight (UV) exposure, and common industrial solvents, ensuring they won't crack or degrade in harsh outdoor environments.

🗸 UNIVERSAL AG COMPATIBILITY: Precision-molded to fit any standard 1/2" agricultural-style hydraulic coupler. Ideal for use on tractors, skid steers, and a wide variety of farm attachments.

🗸 SYSTEM PROTECTION: Effectively keeps contaminants out of your machine’s hydraulic lines when attachments are disconnected, preventing premature system wear and costly maintenance downtime.

🗸 FIELD-READY DURABILITY: These caps are designed to stay flexible and secure, ensuring they remain in place throughout your workday, regardless of weather conditions or field terrain.

Q: Why are dust caps considered a "must-have" for hydraulic systems?

A: Hydraulic systems are highly sensitive to contamination. When couplers are left exposed, they collect dust, mud, and water. During the next connection, that debris is forced directly into your hydraulic pump and control valves, which is the leading cause of hydraulic component failure. These caps provide a reliable barrier against that debris.

Q: Will these caps degrade if left out in the sun?

A: No. Unlike cheap plastic alternatives, these are made from premium silicon rubber, which is naturally resistant to UV light and oxidation. They are designed to withstand years of outdoor exposure without becoming brittle, cracking, or losing their fit.

Q: What do I need to measure to ensure these will fit my couplers?

A: These are designed for standard 1/2" body AG-style (Pioneer) couplers. While they are a universal fit for that standard, we recommend checking the dimensions provided in our product images against your existing couplers to ensure a secure, snug seal.

Q: Are these difficult to remove when it's time to connect the lines?

A: Not at all. The silicon rubber provides a firm, secure fit while remaining pliable enough to pop off easily by hand, even in cold temperatures.

 

Thread Sizes for 1/2" Body that fit these Dust Caps:

TL32 5/8” SAE (ORB) Female Thread (Set)

TL37 1/2” NPT Female Thread (Set)

TL38 1/2” NPT Female Thread (Set)  – Ball Style

TL39 1/2” NPT Female Thread (Set)

 

Flat Face to Agricultural Style Adapters:

TL46 Flat Face to Male Ag Couplers

TL36 Flat Face to Male & Female Ag Coupler

 

See our Store for more coupler sizes