Basic Info.
Part no. | 4T0422 | Material | steel |
Type | Cartridge | Part Type | Engine Parts |
Compatibility | Caterpillar | Transport Package | Wooden box |
Trademark | DIRON | Origin | Luoyang City |
HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Item Model:4T0422
- Date First Listed:2025/03/15
- Manufacturer:Diron Parts
Product Description
- Part Number: 4T0422
- Part Type:Cartridge
- Description: Caterpillar (CAT) Engines


Product Introduction: Hydraulic Filter Cartridge 1U3953
The Hydraulic Filter Cartridge 1U3953 is a high-performance replacement component designed for hydraulic vane pumps, widely compatible with Caterpillar machinery. Engineered to meet rigorous industry standards, this cartridge ensures optimal filtration and protection for hydraulic systems, safeguarding critical components such as pumps, motors, and valves from contaminants and wear.
Key Features:
- Superior Compatibility: Specifically crafted for Caterpillar models including 3304, 3306, 3412D, 3412E, C27, 963, 973, 183B, and more, ensuring a precise fit and reliable performance.
- Robust Construction: Built with premium materials to withstand high-pressure environments, with maximum pressure ratings up to 3,300–3,500 PSI (depending on the pump model), making it ideal for demanding applications.
- Efficient Filtration: Designed to remove debris, dirt, and contaminants from hydraulic fluid, maintaining system cleanliness and extending equipment lifespan.
- VQH Series Design: Features a specialized rotor design for enhanced pressure capabilities, interchangeable with VQ series pumps, offering versatility and ease of replacement.
- Flow Capacity: Supports a flow rate of up to 38 GPM (gallons per minute), ensuring consistent hydraulic performance under varying operational conditions.
- Left-Hand Rotation with Bushing: Engineered for specific hydraulic vane pump configurations, providing seamless integration and operation.
Applications:
The 1U3953 cartridge is an essential component for heavy-duty equipment used in industries such as construction, mining, agriculture, and industrial maintenance. It is particularly suited for Caterpillar machinery operating in harsh environments where hydraulic system reliability is critical.
Benefits:
- Enhanced Equipment Protection: Reduces wear on hydraulic components by maintaining clean fluid, minimizing downtime and repair costs.
- High Durability: Constructed to endure high-speed and high-pressure operations, delivering long-lasting performance.
- Cost-Effective Solution: Offers a quality replacement option at a competitive value, backed by a design that meets or exceeds OEM specifications.
Why Choose the 1U3953 Hydraulic Filter Cartridge?
Whether you’re maintaining a fleet of excavators in a mining operation or ensuring peak performance for a single loader on a construction site, the Hydraulic Filter Cartridge 1U3953 provides the reliability and efficiency you need. Its proven design and compatibility with Caterpillar systems make it a trusted choice for professionals seeking to optimize their hydraulic systems.
NOTE: While this description provides general information about Cartridge, specific details such as size, weight and exact material may vary by manufacturer and specific application. To obtain the most accurate and up-to-date information, it is recommended to consult a qualified parts supplier such as DIRON PARTS.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: FOB
Q4. How about your delivery time?
A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8. How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
ABOUT DIRON
- Factory OF DIRON
Diron Parts Group Have Its Own Factory Ensure That We Offer Better Price For Customers. Besides, Diron Corporate With Some Reliable Principal Manufacturers, So Diron Also Supply Customer Other Quality Spare Parts.








- Team OF DIRON
With 18 years of manufacturing and exporting experience, Diron has a team of knowledgeable engineers, inspectors and technical workers, sales staff, after-sales personnel.


- Products OF DIRON
As a distributor, we supply parts covers for :Complete engines, Long block, Short block, Engine spare parts, Electricla products, Hydraulic products, Transmission products, Undercarridge products.Among them, Cylinder head, Cylinder block, Spacer-plate, Bushing & Pin are our best-selling products.







