CAT 1U2738 (1U-2738) Piston Pump Parts | Fits 225 235D 245 245D 14G 16G
CAT 1U2738 (1U-2738) Piston Pump Parts | Fits 225 235D 245 245D 14G 16G
In Stock & Ready for Global Express Dispatch
Request a Quick Quote✓ Premium Caterpillar Quality Spec | ✓ 100% Direct Fit | ✓ Fast Global Shipping
Premium hydraulic piston pump repair parts (rotary group assembly) designed as a direct OEM-compatible replacement for Caterpillar (CAT) heavy equipment. Precision-engineered to rebuild and overhaul main hydraulic pumps, restoring original volumetric efficiency, smooth oil flow, and extended operational service life under demanding heavy construction and earthmoving applications.
Product Highlights
- Part Number: 1U2738 / 1U-2738
- Direct Fit OEM Replacement: Form, fit, and precision tolerances match original Caterpillar engineering specifications perfectly for seamless pump overhaul and reassembly.
- Heavy-Duty Construction: Manufactured with ultra-hardened steel alloys and wear-resistant internal precision components to handle high hydraulic operating pressures and heavy continuous loads.
- Cost-Effective Overhaul Solution: Restores full hydraulic system pressure, cycle times, and flow capacity back to factory specs at a fraction of the cost of replacing a complete pump.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 1U2738 / 1U-2738 |
| Product Type | Piston Pump Repair Kit / Rotary Group Parts |
| Brand Compatibility | Caterpillar (CAT) |
| Application | Main Hydraulic Pump Maintenance & Overhaul |
| Material | High-Strength Alloy Steel & Precision-Machined Metals |
| Warranty | 12 Months Warranty |
Compatible Models & Equipment
These premium piston pump replacement parts are precision-engineered to fit the following Caterpillar heavy machinery:
- Hydraulic Excavators & Logger / Feller Bunchers: Caterpillar 225 / 227 / 235D / 245 / 245B / 245D
- Motor Graders: Caterpillar 14G / 16G
Key Applications
- Hydraulic Pump Rebuilding: Replaces worn or damaged internal rotary group components such as cylinder blocks, piston shoes, valve plates, retainer plates, and swashplate contact surfaces.
- Pressure & Speed Restoration: Eliminates internal fluid bypass, slow hydraulic cylinder response, overheating, and pump noise caused by worn internal components.
- Preventative Maintenance: Provides heavy equipment repair shops and field technicians with precision-matched components for reliable scheduled pump overhauls.
Why Choose Our Aftermarket CAT Parts?
- Guaranteed OEM Quality: Manufactured under strict ISO 9001 quality standards to match original Caterpillar factory dimensions, surface finishes, and hardness levels.
- Cost-Effective Solution: Achieve premium dealer-level reliability and identical hydraulic performance at a fraction of the OEM replacement price.
- Ready to Ship: Kept in stock for immediate worldwide dispatch to reduce your machine's idle downtime significantly.
- Industry-Leading Support: Backed by a full 1-year warranty and a team of professional heavy machinery hydraulic technical experts.
Frequently Asked Questions (FAQ)
Q: Are these piston pump parts genuine Caterpillar items?
A: These are premium-grade, OEM-compatible aftermarket replacement parts. They are manufactured to exact CAT dimensional tolerances and technical specifications, serving as a direct drop-in replacement for part number 1U-2738 / 1U2738.
Q: What is covered under the 12-month warranty?
A: Our 12-month warranty fully covers all manufacturing defects, material failures, and workmanship issues under standard operating conditions.
Q: What steps should be taken during installation?
A: Ensure the main pump housing is completely cleaned and free of debris. Always flush the main hydraulic system, install new hydraulic oil filters, and refill with fresh oil to prevent contamination from damaging newly installed parts upon startup.
Q: How long does international shipping take?
A: In-stock orders are typically dispatched within 3–5 business days. We offer expedited shipping and global air freight options for emergency machine breakdown situations.
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