CAT 2941727 (294-1727) Oil Pump for C6.4 Engine | Fits 320D 321D 323D
CAT 2941727 (294-1727) Oil Pump for C6.4 Engine | Fits 320D 321D 323D
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Premium engine oil pump designed as a direct OEM-compatible replacement for Caterpillar (CAT) C6.4 diesel engines powering 320D, 321D, and 323D hydraulic excavators. Precision-engineered to deliver optimal lubrication pressure, high volume oil flow, and long service life under high-stress construction duty cycles.
Product Highlights
- Part Number: 2941727 / 294-1727
- Direct Fit OEM Replacement: Form, fit, and function match original Caterpillar engineering specifications perfectly without requiring any engine housing modifications.
- Heavy-Duty Construction: Manufactured with precision-machined alloy housing and wear-resistant internal gears to withstand continuous high pressure and oil temperatures.
- Optimized Engine Lubrication: Ensures uninterrupted, high-pressure lubrication throughout the C6.4 engine block, crankshaft, camshaft bearings, and turbocharger to prevent dry friction and premature component wear.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 2941727 / 294-1727 |
| Product Type | Heavy-Duty Engine Oil Pump |
| Brand Compatibility | Caterpillar (CAT) |
| Engine Model | CAT C6.4 Diesel Engine |
| Material | High-Strength Precision Alloy Body & Hardened Steel Gears |
| Warranty | 12 Months Warranty |
Compatible Models & Equipment
This premium engine oil pump is precision-engineered to fit the following Caterpillar excavators equipped with C6.4 engines:
- Caterpillar Excavators: 320D / 320D L / 320D LN / 320D GC
- Caterpillar Excavators: 321D LCR
- Caterpillar Excavators: 323D / 323D L / 323D LN / 323D S
Key Applications
- Engine Lubrication System: Circulates vital engine oil under steady pressure to reduce friction and dissipate heat across internal C6.4 engine components.
- C6.4 Overhaul & Maintenance: Essential component during complete engine rebuilds to ensure long-term reliability and prevent low oil pressure warnings.
- Continuous Excavator Duty Cycles: Maintains stable oil flow and pressure even under heavy digging, trenching, and high ambient operating temperatures.
Why Choose Our Aftermarket CAT Parts?
- Guaranteed OEM Quality: Manufactured under strict ISO 9001 quality standards to match or exceed original Caterpillar specifications and service life.
- Cost-Effective Reliability: Get factory-level durability and precision oil delivery at a competitive direct-from-manufacturer price.
- Ready for Fast Dispatch: Kept in stock for immediate international express shipping, minimizing costly jobsite downtime.
- Expert Technical Support: Backed by a full 12-month warranty and our dedicated team of heavy equipment parts specialists.
Frequently Asked Questions (FAQ)
Q: Is this oil pump a direct drop-in replacement for CAT 294-1727?
A: Yes, this aftermarket engine oil pump is engineered to exact Caterpillar specifications, making it a direct drop-in replacement for part numbers 2941727 and 294-1727 on C6.4 engines.
Q: What is covered under the 12-month warranty?
A: Our 12-month warranty covers all material defects, manufacturing errors, and internal gear or housing failures under normal operating conditions.
Q: What maintenance steps are recommended when replacing the oil pump?
A: We strongly recommend replacing the engine oil filter, cleaning the oil sump/pan, and priming the new pump with fresh engine oil prior to initial startup to prevent dry friction.
Q: How fast can this part be delivered?
A: In-stock parts are typically dispatched within 3–5 business days, with express air shipping available for urgent machine-down scenarios.
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