Oil Pump 16851-35012 for Kubota D722/D902 Engines – Direct Replacement

Product Specifications

Compatible Models

Tired of Engine Oil Pressure Failure on Your Kubota D722 or D902? Get the Reliable 16851-35012 Oil Pump Replacement

Every unplanned shutdown of a Kubota tractor or utility vehicle costs operators hundreds to thousands of dollars per day in lost productivity and labor. Counterfeit or low-grade oil pumps fail prematurely — causing low oil pressure, bearing wear, and catastrophic engine damage. OEM replacements often take 2–4 weeks to arrive, halting critical field operations. Sourcing compatible parts across multiple Kubota models like BX1800D, B7300HSD, and KX018-4 from one trusted supplier remains a daily challenge for fleet managers and repair shops.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This 16851-35012 oil pump is manufactured in ISO 9001-certified facilities and undergoes full functional testing before shipment — delivering consistent flow rate, pressure stability, and durability equal to original specifications. With 10 years of global export experience and over 10,000 SKUs in stock, XUNPO supports urgent maintenance needs across Kubota engine platforms during routine service or emergency overhaul. It’s engineered for real-world use: continuous operation in agricultural fields, landscape maintenance, and light excavation applications.

Where This Part Works

This oil pump operates under high-cycle, variable-load conditions — from prolonged idling on a garden tractor (GR2120B) to high-RPM duty on a compact excavator (KX018-4) or utility vehicle (RTV900W9). In dusty farm environments or humid coastal ports, consistent oil delivery prevents overheating and maintains hydraulic-assisted steering responsiveness. Correct fitment is essential: mismatched clearances or pressure relief settings directly impact engine longevity and operational safety — especially on multi-application machines like the BX2370-1 used in both mowing and loader work.

Engineering Details That Matter

The pump housing is precision-cast from high-strength aluminum alloy with tight tolerance machining (±0.02 mm) to ensure rotor-to-body clearance matches OEM specs — preventing internal leakage and maintaining rated flow at 2,800 rpm. Internal gears are hardened to HRC 58–62 and surface-polished to reduce friction loss and cavitation risk. The pressure relief valve is pre-calibrated to 55–65 psi (3.8–4.5 bar), matching factory settings for D722 and D902 engines. All sealing surfaces use NBR rubber gaskets rated for -40°C to +120°C and resistant to modern synthetic oils and biofuels. Each unit is coated with corrosion-inhibiting oil and vacuum-sealed to prevent warehouse oxidation.

The Real Cost of Wrong Parts

A $25 counterfeit oil pump may save upfront, but risks $1,200+ in engine rebuild labor, $800+ in replacement parts, and 3–5 days of downtime — easily exceeding $5,000 in total cost of ownership (TCO). Incorrect pressure regulation accelerates crankshaft bearing wear; improper gear mesh causes noise, vibration, and premature failure. Our 16851-35012 oil pump meets ISO 4406 cleanliness standards and complies with Kubota’s technical bulletin TB-2022-08 for aftermarket lubrication components. Choosing verified quality means predictable performance, extended service intervals, and no hidden repair liabilities — especially critical for rental fleets and municipal equipment departments.

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