708-3T-04210 BLOCK ASS'Y for Komatsu Construction Equipment LPD45 PC70 PC78MR PC78US PC78UU
The 708-3T-04210 BLOCK ASS'Y is a high-precision hydraulic pump cylinder block assembly designed for Komatsu LPD45, PC70, PC78MR, PC78US, and PC78UU excavators. As a core component of the hydraulic pump, it ensures efficient fluid displacement, stable pressure output, and reliable power transmission for the machine’s hydraulic system, even under heavy-load and continuous operation in construction and mining sites.
Common Applications: Primarily used in LPD45 type hydraulic piston pumps.
Dimensions: Approximately L=83 mm and D=123 mm.
Applicable Komatsu Models:
PC70 Series: PC70-8.
PC78 Series: PC78US-6, PC78UU-6, PC78MR-6.
PC88 Series: PC88MR-8, PC88MR-10.
Dear Valued Partners,
Thank you for choosing SPARKLING MACHINERY for your Komatsu spare parts needs. The 708-3T-04210 BLOCK ASS'Y is a critical hydraulic pump component that guarantees your excavator’s hydraulic system operates at peak performance. Engineered for durability and precision, it minimizes downtime, reduces maintenance costs, and maximizes operational efficiency.
Trust us for reliable, OEM-quality parts backed by expert service.
The SPARKLING MACHINERY NEW 708-3T-04210 BLOCK ASS'Y Photo:

Why Choose the SPARKLING 708-3T-04210 BLOCK ASS'Y?
- Perfect Fit: OEM-compliant design eliminates installation delays and ensures full compatibility with your Komatsu excavator models.
- Optimal Hydraulic Performance: Precision machining reduces internal leakage, maintaining consistent pressure and power output for all hydraulic functions.
- Extended Service Life: High-strength alloy steel and heat treatment resist wear and fatigue, reducing replacement frequency and downtime.
- Cost-Effective: Competitive pricing without compromising quality, delivering long-term value and reducing total ownership costs.
- Technical Support: Our Komatsu hydraulic system experts provide pre-purchase compatibility checks, installation guidance, and post-sales troubleshooting.
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.

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



🚚 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.
Get a free quote
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.

Sparkling Machinery Co.,Ltd
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