PROFESSIONAL-GRADE TANK BREATHER SOLUTION Caterpillar Tank Cap Filter 543-3800 / HiFi TCO 514 Engineered for reliability, our Caterpillar 543-3800 Tank Cap Filter is the definitive Replacement Tank Breather Filter for hydraulic and oil systems. It ensures optimal equipment performance by providing superior dust proof protection and moisture control, extending component life and reducing maintenance costs for your fleet or inventory. Product Specifications Parameter Detail Part Number 543-3800 Part Type Tank Cap Filter / Hydraulic Tank Breather Filter Brand Caterpillar Replacement (High-Quality Aftermarket) Universal Part Number HiFi TCO 514 Application Hydraulic Systems, Oil Tanks - as a Dust Proof Tank Breather MOQ 20 pieces Service OEM & ODM Welcome (Custom Branding & Packaging) Why Choose Our Tank Breather Filter? F - Features Precise Fit: Direct replacement for Caterpillar® part number 543-3800 and universal equivalent HiFi TCO 514. Robust Construction: Made from high-grade, oil-resistant materials for durability in harsh environments. Advanced Filtration Media: Multi-layer design effectively traps fine dust, dirt, and particulate contaminants. Integrated Breather Cap Design: Combines the filter and venting cap into one efficient unit. A - Advantages Provides superior dust proof sealing, preventing abrasive particles from entering the hydraulic or oil system. Allows tank pressure equalization while blocking contaminants, preventing vacuum formation and fluid degradation. Extends the service life of hydraulic pumps, valves, and other critical components by maintaining clean fluid. Designed for easy installation and long service intervals, reducing downtime. B - Benefits for Your Business Reduce Operational Costs: Protect expensive machinery from premature wear, lowering repair bills and part replacements for your end-clients. Enhance Inventory Value: Offer a high-quality, reliable OEM Hydraulic Tank Breather Filter alternative that builds customer trust and repeat business. Minimize Downtime: Reliable filtration means fewer equipment failures, leading to higher productivity for the machines your customers service. Streamline Sourcing: We support OEM & ODM services, allowing for custom packaging or branding to fit your supply chain needs. E - Evidence Trusted by distributors and service centers worldwide. As CHINA EVERLASTING PARTS CO., LIMITED, we are a professional filter manufacturer with stringent QC processes. Our parts meet or exceed original specifications for performance. MOQ only 20pcs, making it feasible for both large and small B2B partners to test and stock. Trusted by Industry Professionals ★★★★★ "The 543-3800 breather filters perform identically to the genuine parts. Our workshop has been using them for 8 months with zero issues. Perfect for our Cat equipment service contracts." - Alex J., Equipment Service Manager, USA ★★★★★ "As a filter wholesaler, quality consistency is key. Everlasting Parts' tank breather filters have reliable quality and good packaging. The MOQ is friendly for new SKU testing." - Maria L., Wholesale Director, Germany ★★★★★ "We ordered these as an OEM project with our logo. The communication was smooth, and the final product matched our specs perfectly. A reliable manufacturer for hydraulic filters." - David K., Procurement, Machinery Retailer, Australia Frequently Asked Questions Q: Is this 543-3800 filter a direct fit for Caterpillar machines? A: Yes, it is engineered as a direct replacement for the original Caterpillar® 543-3800 Tank Cap Filter, ensuring perfect fit and function. Q: What is the main function of this tank breather filter? A: It serves as a Dust Proof Tank Breather, allowing air to enter and exit the hydraulic or oil tank while filtering out harmful dust and particles, protecting the system's integrity. Q: Do you support custom branding (ODM)? A: Absolutely. We welcome OEM & ODM projects. You can customize packaging, labels, and even minor design aspects to suit your brand. Get Your Quote Today Contact our sales team for pricing, sample requests, or technical data sheets. Ideal for retailers, wholesalers, and service centers. WhatsApp / WeChat:+86 18965520297 Email:Sales@parts-machining.com CHINA EVERLASTING PARTS CO., LIMITED - Your Professional High-Quality Filters Manufacturing Partner.