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Product Details
Product Overview
This high-quality water pump, featuring OEM part number 1535955, is specifically designed for the cooling system of the Caterpillar 301.5 excavator diesel engine. As a critical component for engine thermal management, this water pump ensures consistent coolant circulation to prevent overheating and maintain optimal operating temperatures during demanding construction and industrial applications.
Manufactured by to OEM size specifications, this replacement water pump offers a direct fit solution for Caterpillar 301.5 engines. It is commonly used in construction, agriculture, and material handling equipment where reliable engine cooling is essential for performance and longevity.
Each unit is precision-engineered to meet strict quality standards, providing dependable service life and efficient heat dissipation for your diesel power unit.
Key Features & Benefits
OEM Replacement Fit: Direct replacement for Caterpillar part number 1535955, ensuring compatibility with 301.5 engine cooling systems.
Engineered for Diesel Durability: Built to withstand the high temperatures and continuous operation typical of diesel engines in excavators and industrial machinery.
OEM Size Precision: Manufactured to exact OEM dimensional specifications for hassle-free installation and proper belt alignment.
Corrosion-Resistant Construction: Designed with materials that resist coolant corrosion and cavitation, extending service life in demanding environments.
Application Versatility: Suitable for construction, agriculture, genset, marine, and material handling equipment powered by the Caterpillar 301.5 engine.
Video Inspection Available: Outgoing video inspection provided upon request to verify product quality before shipment.
6-Month Warranty: Backed by a 6-month warranty and online after-warranty support for your peace of mind.
Technical Specifications
Specification
Details
Part Number
1535955
Product Type
Water Pump
Engine Model
301.5 (Caterpillar)
Engine Type
Diesel
Weight
5 kg
Size
OEM Standard Size
Place of Origin
Guangdong, China
Warranty
6 Months
Packing
Plastic Bag, Box, Carton
OEM Cross-Reference
This water pump is a direct replacement for the following OEM part numbers:
Caterpillar 1535955 (Original OEM Number)
Alternative/Aftermarket Reference: WP-3015-CAT
Always verify your existing part number against the listing to ensure correct fitment. This part is designed as an aftermarket replacement equivalent to the original Caterpillar component.
Compatibility
This water pump is commonly used for the following applications:
Engine Models: Caterpillar 301.5 Diesel Engine
Equipment Types: Excavators, Mini Excavators
Secondary Applications: Construction machinery, agricultural equipment, generator sets, marine applications, and material handling equipment
Note: Fitment is inferred based on engine model compatibility. Please verify your specific engine serial number and existing water pump part number before purchase.
Global Supply & Distribution
We offer worldwide shipping capabilities for this Caterpillar 301.5 water pump, serving major industrial markets across the globe. Our logistics network ensures fast and reliable delivery to:
North America: USA, Canada, Mexico – expedited shipping to major ports and industrial hubs
Europe: UK, Germany, France, Netherlands, Poland – regular shipments to European distribution centers
Asia-Pacific: Australia, Japan, South Korea, Singapore, Indonesia – strategic logistics for fast regional delivery
Middle East & Africa: UAE, Saudi Arabia, South Africa, Nigeria – serving mining and construction sectors
South America: Brazil, Chile, Argentina, Colombia – supporting agricultural and mining operations
With export experience to over 30 countries, we ensure proper customs documentation and international trade compliance. Bulk orders and drop-shipping arrangements are welcome for B2B partners. We offer flexible shipping options including sea freight (FOB/CIF), air express (DHL/FedEx/UPS), and rail freight for land-connected markets.
Quality Assurance
Each water pump undergoes rigorous quality control procedures to ensure reliable performance:
Manufacturing Standards: Produced in ISO-certified facilities in Guangdong, China, following strict quality management protocols
Testing Procedures: Machinery test reports are provided, verifying dimensional accuracy and operational integrity
Visual Inspection: Video outgoing inspection is available upon request to confirm product condition before shipping
Warranty Coverage: 6-month warranty against manufacturing defects
Post-Warranty Support: Online technical support available even after warranty period expires
Packaging Protection: Securely packed in plastic bags, boxes, and cartons to prevent damage during transit
FAQ
Q: How can I confirm this water pump fits my Caterpillar 301.5 engine? A: Please check your existing water pump for the part number 1535955 stamped on the housing. Additionally, verify your engine model number (301.5) on the engine data plate. If you have any doubts, provide us with your engine serial number and a photo of the old part, and our technical team will cross-reference the specifications to confirm compatibility.
Q: What is the recommended installation procedure for this water pump? A: Installation should be performed by a qualified diesel mechanic. Key steps include: draining the coolant system, removing the fan and belt, cleaning the mounting surface thoroughly, applying a thin layer of gasket sealant (if using a paper gasket), torquing bolts to manufacturer specifications, and refilling with the correct coolant mixture. Always replace the thermostat and gasket simultaneously for best results. A new belt is also recommended.
Q: What maintenance is required to extend the life of this water pump? A: Regularly inspect the coolant level and mixture (50/50 antifreeze/water ratio) to prevent cavitation and corrosion. Check for leaks around the pump weep hole – a small drip may indicate seal wear. Replace the coolant according to the engine manufacturer’s schedule (typically every 2 years). Ensure the drive belt tension is correct and not over-tightened, as excessive belt tension can damage the pump bearings prematurely.
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