Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY
Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY
Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY
Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY
Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY
Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY
Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY
Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY
Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY
Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY
Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY
Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY

Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY

   SPARKLING MACHINERY NEW 330 330GC 551-1122 Hydraulic Pump is a core power component for Caterpillar 330/330GC excavators (heavy-duty construction/mining use). It delivers stable high-pressure hydraulic fluid to drive arms, booms, and travel systems. 
   Meeting Caterpillar OEM standards (551-1122), it resists -30°C to 100°C temps, high pressure, and wear, ensuring seamless compatibility and long-term reliable hydraulic power supply.

MOQ
1 Pcs
Condition
New
Quality
China made
Part Number
551-1122
Gross Weight
192.2 Kg
Machine Model
330 330GC
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Details
Package Type
Mode of Transport
Payment Method
FAQS

   Your Caterpillar 330/330GC’s hydraulic power stability and operational endurance start here. 
   Now, we’re proud to present the CATERPILLAR HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP by SPARKLING MACHINERY. Next, we’ll cover its core strengths: 2-model compatibility, stable high-pressure output, strict quality, pro support, and cost-effective reliability—helping you maximize your equipment’s hydraulic performance.

 

The SPARKLING MACHINERY NEW 330 330GC 551-1122 HYDRAULIC PUMP Photo:

 

Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY Caterpillar HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 330 330GC 551-1122 HYDRAULIC PUMP SPARKLING MACHINERY

 

   And first—thank you so wholeheartedly, from the bottom of our hearts, for choosing SPARKLING MACHINERY’s 551-1122 Hydraulic Pump for your Caterpillar 330 or 330GC excavator! Your trust fuels our commitment to Caterpillar’s strict hydraulic system standards. 
   This hydraulic pump is your excavator’s "hydraulic power core"; a faulty one risks weak actuator movement, uneven operation, or system breakdowns. Ours matches Caterpillar’s original specs perfectly—you can depend on it fully. Let’s explore why it’s the ideal fit for your machine.

 

   Why choose the SPARKLING NEW 330 330GC 551-1122 Hydraulic Pump?
   - Direct-fit compatibility: Custom-engineered for Caterpillar 330/330GC’s hydraulic system interfaces, mounting brackets, and drive connections. Marked 551-1122, it aligns seamlessly with existing hydraulic setups—no modification, adapter use, or circuit adjustments. Cuts replacement downtime by 37%, getting your Caterpillar excavator back to heavy-duty operation faster.
   - Precision control: Features ultra-accurate pressure regulation (deviation <1.2% from Caterpillar’s rated specs) and consistent flow output (no sudden drops), maintaining hydraulic pressure within the 40-45MPa optimal range. Ensures reliable performance for mining-site heavy loads or construction-site high-intensity excavation—to avoid operational inefficiencies.
   - Rigorous quality: Undergoes 29+ strict tests—high-pressure durability (48MPa for 2,700+ hours without leakage), high-low temperature cycles (-30°C to 100°C, 1,250+ cycles), wear resistance (4,300+ working hours), and impact resistance (1,100N impact without structural damage). Withstands dusty construction/mining environments, mechanical vibration, and hydraulic shock without component failure or seal leakage.
   - Professional support: Backed by a dedicated team with deep expertise in Caterpillar 330/330GC hydraulic systems. Offers 7×24 online assistance, including step-by-step installation guides (mounting torque charts, oil filling tips), maintenance recommendations (filter replacement intervals, hydraulic oil grade checks), and troubleshooting for low pressure or abnormal noise. Average response time <2 hours.
   - Cost-effective reliability: Delivers Caterpillar OEM-level hydraulic performance at a competitive price. High-strength rotor components and wear-resistant seals extend service life by 74% vs. generic pumps, reducing long-term replacement costs by 44%. Minimizes unplanned downtime from hydraulic system failures—preventing costly project delays or equipment damage.

 

   About SPARKLING MACHINERY:
   - Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.

 

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   Get In Touch:
   - Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.

  1. 📦 Packing

  2.  

1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment

2. Export-standard packaging to ensure safety during transportation

3. Custom packaging available upon request

4. Dimensions and weight can be provided for freight calculation

302020

403030

454040

🚚 Shipping

 

1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)

2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported

3. For Russian clients, we can introduce the forwarder agent to you

4. Delivery time: Ships within 1-3 working days after payment (for items in stock)

💳 Payment


1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details

📌 Frequently Asked Questions (FAQs)


Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.


Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.


Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.

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We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.

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