Water Pump 6684225 6653941 for Kubota Engine D1402 Bobcat Loader 643 645 743 751 753 763 773 7753 1600 S150 S160 S175 S185

Product Specifications

Compatible Models

Tired of Overheating Bobcat Skid Steers? Get the Right Water Pump 6684225 for Your Kubota D1402 Engine

Every hour your Bobcat 753 or S175 sits idle due to coolant system failure costs hundreds in lost productivity — especially on tight-deadline site work. Counterfeit water pumps fail within weeks, causing repeat shutdowns and unexpected repair labor. OEM replacements mean waiting 3–4 weeks while your fleet stalls. And sourcing parts across multiple suppliers for different brands wastes hours every week.

OEM-Equivalent Quality, Ready to Ship

This water pump 6684225/6653941 is engineered to match original performance specs for Kubota D1402-powered Bobcat machines. Built by ISO 9001-certified factories and tested pre-shipment for flow rate, pressure seal integrity, and thermal stability under simulated operating load. Designed specifically for continuous-duty applications like excavation, material handling, and demolition where consistent coolant circulation prevents engine seizure.

Where This Part Works

This water pump operates reliably in high-dust construction sites, humid port environments, and abrasive quarry conditions — all common for Bobcat skid steers and loaders. It maintains stable coolant flow at engine speeds up to 2,800 RPM and ambient temperatures from –20°C to +55°C. Correct fitment ensures no cavitation or belt slippage during rapid throttle response — critical when operating hydraulic attachments on uneven terrain.

Engineering Details That Matter

The impeller is precision-cast from high-silicon aluminum alloy for corrosion resistance and dimensional stability under thermal cycling. The mechanical seal uses carbon/ceramic faces rated for 10,000+ hours of operation without leakage. Shaft runout is held to ≤0.05 mm to prevent premature bearing wear in the pump housing. All mounting surfaces are machined to ±0.1 mm tolerance to ensure full interchangeability with OEM units. The housing features zinc-nickel plating (ASTM B633, SC4) for salt-spray resistance exceeding 500 hours.

The Real Cost of Wrong Parts

A $45 counterfeit water pump may save $20 upfront but often fails before 500 operating hours — triggering overheating, head gasket damage, and unplanned engine rebuilds costing $2,500+. OEM-equivalent parts reduce total cost of ownership (TCO) by extending service intervals and eliminating downtime-related penalties in rental or contract work. This water pump for Bobcat 753 skid steer meets Kubota’s published flow curve (12.5 L/min @ 2,000 RPM) and pressure drop specifications — verified per ISO 9223 corrosion class C4 and SAE J1927 test standards.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually boxed in rigid corrugated carton with molded EPS foam cradle to prevent transit damage
• In-stock items ship within 2–5 working days after payment confirmation
• Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight options available
• Real-time tracking provided from warehouse departure to final delivery
• MOQ is 1 piece — designed for urgent field repairs and small-batch maintenance

Get Your Replacement Water Pump Now

Your Bobcat loader shouldn’t wait weeks for cooling system repair. Send us your machine model (e.g., “Bobcat 753”), part number (6684225 or 6653941), and required quantity — we’ll email a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk order. Every day delayed is revenue lost; order today and get back to work tomorrow.

Frequently Asked Questions