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3505120-D01
HongPro
3505120-D01
The 3505120-D01 is a precision-engineered brake wheel cylinder designed for superior reliability and safety. Manufactured to meet or exceed strict OE specifications, it ensures a perfect fit and optimal performance. Constructed from high-strength materials and advanced alloys, it offers exceptional corrosion resistance and durability under extreme pressure and temperature conditions.
Each cylinder undergoes rigorous leak and pressure testing, guaranteeing a reliable seal and consistent hydraulic pressure delivery for effective brake shoe actuation. This commitment to quality results in a product with a minimal failure rate, providing dependable braking force and enhanced vehicle safety. It is the professional choice for a critical safety component you can trust.
Our 3505120-D01 brake wheel cylinder is engineered with a multi-stage plating process, including a zinc-nickel alloy coating that provides superior protection against rust and corrosion. This is critical for withstanding harsh road conditions, such as exposure to road salt and moisture. Independent salt spray tests confirm this cylinder withstands over 240 hours without red rust formation, significantly outperforming standard alternatives. This advanced corrosion protection directly translates to a longer service life and more reliable performance, reducing the risk of seizure and failure.
We understand that fit is paramount. This cylinder is manufactured to exact Original Equipment (OE) specifications and dimensions, ensuring a direct, hassle-free replacement. Our precision machining process, with tolerances within ±0.01mm, guarantees perfect alignment with the brake assembly every time. This eliminates installation issues and ensures immediate, optimal performance right out of the box, providing peace of mind for mechanics and distributors alike.
At the heart of the 3505120-D01 is its high-performance sealing system. We utilize nitrile rubber (NBR) cups with a specialized compound that maintains elasticity and sealing integrity across a wide temperature range, from -40°C to +120°C. Each unit undergoes a 100% leak test under high-pressure hydraulic fluid, ensuring a perfect seal before shipment. This rigorous quality control results in a documented leak-proof performance rate of 99.95%, virtually eliminating the risk of brake fluid loss and brake system failure.
Trust is built on proven performance. Every batch of our wheel cylinders is subjected to accelerated endurance cycling, simulating over 100,000 actuations under various pressure loads. This extensive testing validates the integrity of the piston bore and internal components, ensuring consistent braking force application and long-term durability. This commitment to validation means you are stocking a component designed for reliability, helping to minimize comebacks and enhance end-customer safety.
Our commitment to quality doesn't end with manufacturing. Every single 3505120-D01 cylinder passes a final comprehensive inspection that includes a dimensional check, a function test, and a visual assessment. Our statistical process control data shows a consistent first-pass yield rate of 99.8%, a testament to our manufacturing excellence. The product is then packaged in anti-corrosive wrapping to ensure it arrives in perfect, ready-to-sell condition, protecting your investment and reputation.
| Parameter | Specification | Details / Standard |
| Part Number | 3505120-D01 | - |
| Product Type | Brake Wheel Cylinder | Hydraulic, Dual-Piston |
| Body Material | High-Strength Cast Iron | Grade 250+, |
| Piston Material | Chrome-Plated Steel | For low friction and high wear resistance. |
| Bore Diameter | 19.05 mm (3/4") | Precision honed to a tolerance of ±0.01mm. |
| Bore Surface Finish | < 0.4 Ra (Roughness Average) | Ensures optimal seal performance and longevity. |
| Seal Material | Nitrile Rubber (NBR) | Compatible with DOT 3, DOT 4, and DOT 5.1 brake fluids. |
| Coating/Plating | Zinc-Nickel Alloy | Salt spray resistance: > 240 hours (Red rust). |
| Operating Temperature | -40°C to +120°C | Maintains integrity in extreme conditions. |
| Max Operating Pressure | 30 MPa (≈ 4350 PSI) | Exceeds standard system pressure requirements. |
| Leak Test Pressure | 4.5 MPa (≈ 650 PSI) | 100% factory tested. |
| Thread Specification | M10 x 1.0 | Standard flare fitting port. |
| Quality Standards | ISO 9001, IATF 16949 | Manufactured in an certified facility. |
Here are specific application scenarios of Clutch Master Cylinder:
This brake wheel cylinder is engineered for reliability in stop-and-go city traffic and daily highway commuting. Its consistent hydraulic pressure delivery ensures responsive braking during frequent, low-to-medium intensity stops. The advanced corrosion resistance is crucial for vehicles operating in urban or coastal environments where road salt and moisture are prevalent, preventing premature failure and ensuring long-term safety for everyday driving.
Durability and minimal downtime are critical for commercial operations. The 3505120-D01 is built to withstand the higher demands of fleet vehicles, including delivery vans and light transport trucks. Its robust construction and proven performance under repeated, loaded braking cycles make it an ideal maintenance part. Using a reliable component like this helps fleet managers reduce maintenance intervals and lower the total cost of ownership.
As a perfect OE-equivalent replacement, this cylinder is the top choice for professional mechanics and workshops. Its precision fit guarantees a hassle-free installation, eliminating comebacks. Sourced from a manufacturer with IATF 16949 certification, it provides the same performance as the original part, making it a trustworthy option for servicing customer vehicles and maintaining the shop's reputation for quality repairs.
In regions with mountainous terrain, unpaved roads, or extreme seasonal weather, braking system integrity is non-negotiable. This cylinder's superior sealing technology prevents fluid leaks under high thermal stress, while its corrosion-proof body resists damage from dirt, gravel, and water. This makes it a vital safety upgrade for vehicles subjected to challenging conditions where brake failure is not an option.
For wholesalers and distributors, stocking the 3505120-D01 means offering a high-value, reliable product to your retail network. Its comprehensive quality controls and industry-standard packaging ensure it arrives in perfect sellable condition. The part's broad application across multiple popular models (without naming them) ensures a fast inventory turnover, making it a profitable and trustworthy SKU in your braking components catalogue.
To ensure optimal performance and safety, please follow these key steps. First, thoroughly clean the mating surface in the brake backing plate to prevent contamination. When connecting the hydraulic line, use a torque wrench to tighten the inlet fitting to the specified 15-20 Nm to prevent damage. After installation, it is absolutely critical to bleed the brake system completely, following standard procedures to remove all air. Finally, always use the recommended brake fluid (DOT 4 or equivalent) to maintain the integrity of the internal seals.