DJI Agras T100 Parts | DJI Agras T100 OEM | DJI Agras OEM Parts | Spreader Sealing Diaphragm | Fertilizer Gate Sealing Ring | Spreader Hopper Gasket (2 PCS)

🇺🇸 U.S.A. FIRST

Ares Acres proudly supports American agricultural drone operators with genuine DJI Agras OEM replacement parts, accessories, and field-ready inventory. FREE & FAST shipping is included for all U.S. customers.

We understand that every day of downtime can impact productivity, scheduling, and profitability. That's why we focus on providing fast fulfillment, responsive customer support, and reliable access to the parts operators need most.

This is a two-dollar-looking part guarding a several-thousand-dollar spreader. Fertilizer that escapes past a failed diaphragm does not just cost product — it gets into the gearbox, the bearings, and the metering hardware, and salt does not leave once it is in. Buy them in pairs, change them on schedule, and the spreader outlives the airframe.

✅ Compatibility Guarantee

• DJI Agras T100 / T70P Compatibility Guarantee
• 🇺🇸 USA Compatibility Guarantee
• 👍🏻 Satisfaction Guarantee
• 💵 Money Back Guarantee
• 📦 Same Day Shipping & Tracking
• OEM DJI flexible sealing membrane — direct-fit replacement, correct durometer and profile
• FREE & FAST shipping to the U.S.A.

📦 Package Includes

• 2 × DJI Agras T100 - T70P OEM Spreader Sealing Diaphragm
• OEM spreader hopper sealing gasket
• Direct-fit replacement diaphragm
• DJI OEM flexible sealing membrane
• OEM protective packaging

🔧 Component Overview

The DJI Agras T100 - T70P OEM Spreader Sealing Diaphragm is a critical sealing component engineered to maintain the integrity of the DJI spreading system by preventing fertilizer leakage, moisture intrusion, and material contamination during commercial agricultural operations.

Installed inside the spreader assembly, this OEM diaphragm creates a reliable seal between key spreader components while allowing the fertilizer distribution system to operate smoothly under constant vibration, heavy loads, and changing environmental conditions.

Whether operating in:

• Commercial fertilizer applications
• Cover crop spreading
• Rice production
• Orchard fertilization
• Vineyard nutrient applications
• Pasture management
• Row crop operations
• Daily commercial deployments

operators depend on the spreader system to meter fertilizer consistently from the hopper to the spreading mechanism. Although inexpensive, the sealing diaphragm plays an essential role in protecting one of the most heavily used systems on the aircraft — it maintains proper sealing throughout the spreader assembly while reducing product loss and keeping dust, moisture, and corrosive fertilizer out of internal components.

The OEM Spreader Sealing Diaphragm helps support:

• Proper hopper sealing
• Consistent fertilizer flow
• Reduced fertilizer leakage
• Protection against moisture intrusion
• Improved spreading consistency
• Internal component protection
• Reduced contamination
• OEM fit and finish
• Reliable commercial performance
• Long-term spreader durability
• Fleet maintenance readiness

Commercial fertilizer spreading places significant stress on seals and flexible rubber components. During daily operations, diaphragms are exposed to:

• Fertilizer abrasion
• Constant vibration
• Dust and granular material friction
• Moisture and washdown
• UV exposure
• Temperature fluctuations
• Heavy hopper loads
• Chemical exposure
• Continuous opening and closing cycles
• Seasonal commercial use

Over time, rubber sealing components naturally wear, harden, crack, or lose elasticity. Once the diaphragm no longer seals correctly, fertilizer escapes from the spreader assembly while moisture and contaminants enter sensitive internal mechanisms. Replacing worn sealing diaphragms during routine maintenance restores factory sealing performance while reducing unnecessary wear on the entire spreading system.

⚙️ Functional Purpose

The OEM Spreader Sealing Diaphragm maintains an effective seal within the DJI Agras spreader assembly while supporting reliable fertilizer distribution and protecting internal components from contamination. The component helps:

• Seal the spreader assembly
• Prevent fertilizer leakage
• Reduce material loss
• Maintain consistent fertilizer delivery
• Protect internal mechanisms
• Prevent moisture intrusion
• Reduce dust contamination
• Improve spreader efficiency
• Support OEM performance
• Maintain proper system sealing
• Reduce unnecessary maintenance
• Improve operational reliability
• Extend spreader service life
• Support commercial deployment
• Improve fleet readiness

Without an effective sealing diaphragm, operators may experience fertilizer leakage, reduced spreading efficiency, moisture entering the spreader, internal contamination, increased wear, product waste, more frequent maintenance, unexpected downtime, and higher operating costs. Because spreading happens in short seasonal windows, reliable sealing keeps the aircraft productive when timing matters most.

⚠️ Common Replacement Indicators

Replacement may be recommended when operators observe:

• Cracked rubber diaphragm
• Torn sealing membrane
• Fertilizer leakage
• Worn sealing surfaces
• Rubber hardening or loss of flexibility
• Moisture inside the spreader assembly
• Excessive fertilizer dust buildup
• Poor spreader sealing
• Chemical deterioration
• UV aging
• Visible deformation or compression set
• Preventative maintenance intervals
• Spreader rebuild and fleet refurbishment projects
• Seasonal maintenance inspections
• Long-term operational wear

Field diagnostic: pull the diaphragm and flex it in your hand — a healthy one springs back, a finished one stays creased, feels stiff, or shows fine crazing when bent. Look at the sealing face for a permanent flattened ring; that is compression set, and a seal that has taken a set does not seal again no matter how well the assembly is torqued. Trace the evidence instead of guessing: dry fertilizer dust on the outside of the spreader after a run, product streaks below the gate, or caked material inside a housing that should be clean all point at this seal. If you find moisture or caked product inside the assembly, replace the diaphragm and clean out what got in — leaving fertilizer salt against bearings and metering hardware is how a cheap failure becomes an expensive one. Replace both diaphragms as a pair even if only one looks bad; they age at the same rate, and a fresh seal working against a tired one just moves the leak. Never stretch, trim, or shim a seal to fit, and do not run one with a nick in the sealing face.

What actually kills these diaphragms:

• Abrasion from granular product cycling across the sealing face
• Fertilizer salt chemically attacking and hardening the rubber
• Compression set from being left clamped and loaded through the off-season
• UV exposure and heat cycling drying the compound out
• Product left to dry on the seal instead of being washed off
• Over-torqued hardware crushing the diaphragm out of profile
• Pinching or nicking during a rushed reassembly

Post-install checklist:

• Work with the aircraft powered down and the battery removed
• Clean the sealing surfaces completely — a new seal against caked product leaks immediately
• Inspect the mating faces for scoring, warping, or old adhesive
• Seat the diaphragm flat with no twist, stretch, or pinch
• Replace both diaphragms as a set
• Torque hardware evenly and to specification — crushed rubber seals worse than none
• Cycle the gate open and closed by hand and confirm smooth, full closure
• Run a partial load and check for dust escaping at the seal line
• Re-check after the first full hopper — seals settle under load
• Wash and dry the spreader at the end of every spreading day
• Keep a spare pair on the shelf and change them on a schedule, not on a failure

📐 Specifications

• Component Type: Spreader sealing diaphragm / hopper sealing gasket
• Compatibility: DJI Agras T100, DJI Agras T70P
• Package Quantity: 2 Pieces
• Installation Area: Fertilizer spreader assembly
• Material: DJI OEM flexible rubber sealing compound
• Mounting Type: Direct-fit OEM replacement
• Function: Maintains hopper sealing while preventing fertilizer leakage and contamination
• Application: DJI agricultural fertilizer spreading systems

🚜 Necessary For

• DJI Agras T100 operators
• DJI Agras T70P operators
• Commercial fertilizer applicators
• Agricultural drone contractors
• Fleet maintenance managers
• Agricultural drone repair technicians
• Preventative maintenance programs
• Commercial spraying and spreading fleets
• Agricultural service providers
• Drone repair facilities
• Farm equipment maintenance departments
• Fleet refurbishment projects
• Emergency repair inventory

Keeping replacement sealing diaphragms on hand lets operators restore spreader performance the same day and minimize downtime during peak fertilizing season.

💡 Why This Part Matters

The spreader system is only as reliable as the seals that keep fertilizer flowing where it belongs. A worn diaphragm looks like a minor maintenance item, but a small sealing failure leads to fertilizer loss, contamination inside the spreader, inconsistent application rates, and accelerated wear on expensive mechanical components.

The OEM Spreader Sealing Diaphragm helps maintain:

• Reliable hopper sealing
• Consistent fertilizer application
• Reduced fertilizer waste
• Protection from moisture
• Improved spreader efficiency
• Longer component life
• Lower maintenance costs
• Better fleet reliability
• Improved operational readiness
• Maximum equipment uptime

Without a properly functioning diaphragm, operators risk fertilizer leakage, product contamination, moisture damage, premature spreader wear, inconsistent distribution, increased repair costs, unexpected downtime, missed application windows, and lost productivity.

For commercial agricultural drone operators, preventative maintenance is far cheaper than emergency repairs during peak fertilizer season. Replacing the OEM Spreader Sealing Diaphragm restores factory sealing performance, protects valuable spreader components, reduces long-term maintenance costs, and helps every spreading mission finish clean.

Seal the gate. Keep the product. Block the salt. Spread it clean.

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