Description
Product Overview
The Buyers Hydraulic Filler‑Strainer Breather Cap is engineered for truck and trailer hydraulic systems that demand reliable ventilation and contaminant filtration. Constructed from robust metal with a milled exterior, the cap houses a 40 micron filter and a 30 mesh (500 micron) strainer basket, delivering dual‑stage protection against particles and debris. Designed as a vehicle‑specific fit, it replaces the OEM breather cap and integrates seamlessly with existing reservoirs. Dimensions measure 5.15 × 4.6 × 3.6 inches, and the lightweight design (0.01 oz) ensures easy handling during installation.
Usage
Ideal for long‑haul trucks, construction equipment, and any heavy‑duty vehicle with hydraulic reservoirs, this cap maintains proper pressure balance while preventing vacuum lock. Install the cap during routine maintenance or when replacing a damaged breather. The quarter‑turn operation allows quick access for fluid checks, and the optional locking tab secures the cap against vibration on rough terrain. 
Why Choose Us
Buyers combines automotive expertise with precision manufacturing to deliver parts that meet or exceed OEM standards. Each cap undergoes rigorous testing for leak resistance, filtration efficiency, and durability. The clear “Hydraulic Fluid Only” warning label reduces the risk of fluid mix‑ups, safeguarding system performance. Backed by a 4.7‑star rating from 277 verified customers, this product ranks #8 in Automotive Replacement Breather Filters, reflecting its trusted reliability.
Key Features
- 40 micron filtration captures fine contaminants, extending hydraulic fluid life.
- Quarter‑turn cap design offers fast, tool‑free access and a secure seal.
- Included 30 mesh strainer basket provides secondary filtration for larger particles.
- Durable metal construction with milled exterior resists corrosion and wear.
- Clear hydraulic‑only warning label prevents accidental use of incorrect fluids.
FAQ
What size hydraulic reservoirs is this cap compatible with?
The cap is vehicle‑specific and fits the reservoirs of most medium to heavy‑duty trucks and trailers that use a standard breather opening. Check your vehicle’s service manual for exact fitment.
Can the cap be locked to prevent accidental opening?
Yes, an optional locking tab is supplied. When engaged, it holds the cap in the closed position, ideal for high‑vibration applications.
How often should the filter be replaced?
We recommend inspecting the filter every 5,000 miles or during each fluid change. Replace the filter element if it appears clogged or discolored.
Is this cap suitable for use with synthetic hydraulic fluids?
Absolutely. The cap’s materials are compatible with both mineral‑based and synthetic hydraulic fluids, provided they are designated for hydraulic use.
What mounting hardware is included?
The kit contains all necessary bolts, washers, and a sealing gasket to complete the installation without additional purchases.
Reviews
There are no reviews yet.