Fuel Pump RD411-51353 for Kubota Excavators – 12V Electric Lift Pump

Product Specifications

Compatible Models

Tired of Fuel Starvation on Your Kubota Excavator? Get the Reliable RD411-51353 Fuel Pump for KX71-3 and U35S

Every hour your Kubota KX71-3 or U35S sits idle due to fuel delivery failure costs hundreds — sometimes thousands — in lost productivity, rental penalties, or missed deadlines. Counterfeit or low-grade lift pumps fail within weeks, causing air lock, hard starts, and engine stalling under load. OEM replacements take 14–28 days to arrive, halting critical earthmoving operations.

OEM-Equivalent Quality, In Stock and Ready to Ship

This RD411-51353 fuel pump is engineered to match original Kubota performance specifications — not just fit. Built in ISO 9001-certified factories, each unit undergoes pre-shipment flow-rate, pressure, and voltage-drop testing at 12V DC. It delivers consistent 3.5–4.2 L/min output across operating temperatures from -20°C to +85°C, ensuring stable engine operation during continuous digging cycles on construction sites and quarry faces.

Where This Part Works

The RD411-51353 lift pump operates in high-vibration, dust-prone environments — from urban excavation trenches to remote mining pits and port material handling zones. It feeds diesel fuel from the tank to the high-pressure injection pump under variable suction head conditions. Correct priming and uninterrupted flow are essential: a single 5-minute air lock can trigger ECU fault codes and force shutdown on Tier 4 Final engines.

Engineering Details That Matter

Internal diaphragm uses nitrile rubber (NBR) rated for ultra-low sulfur diesel and biodiesel blends up to B20 — preventing swelling or cracking seen in inferior EPDM seals. The motor winding features Class H insulation (180°C thermal rating), sustaining repeated cold-start surges without degradation. Housing is die-cast aluminum with precision-machined mounting flange (±0.05 mm flatness tolerance) for leak-free sealing against the engine block. Electrical terminals meet IP67 ingress protection, resisting moisture and salt spray common in coastal or demolition applications.

The Real Cost of Wrong Parts

A $28 counterfeit lift pump may save $15 upfront — but risks $1,200 in labor to rebleed fuel lines, $850 in diagnostic time, and $4,500+ per day in machine downtime. OEM parts cost 38% more and delay repairs by 3 weeks. Our RD411-51353 fuel pump meets ISO 4024 and Kubota JIS-B8382 standards for fuel system components. Total cost of ownership drops 22% over 24 months versus non-certified alternatives — verified by fleet operators across Southeast Asia and the Middle East.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in static-resistant blister pack, then nested in molded EPE foam inside reinforced corrugated carton
• In-stock items ship within 2–5 working days after payment confirmation
• Flexible logistics: DHL Express (3–5 days), air freight (7–12 days), or sea freight (25–40 days)
• Real-time tracking provided from warehouse dispatch to final delivery
• MOQ: 1 piece — no minimum order value required

Get Your RD411-51353 Fuel Pump Now

Your Kubota excavator shouldn’t wait. Send us your machine model (e.g., KX71-3 or U35S), quantity needed, and destination country — we’ll email a competitive quote within 24 hours. First-time buyers may request a sample for bench testing. Every hour delayed is revenue lost; every correct part installed is uptime secured.

Frequently Asked Questions