Fuel Injectors for Kubota V3307 Tier 4 – 4-Piece Set with OEM-Equivalent Performance

Product Specifications

Compatible Models

Tired of Engine Misfires and Power Loss? Get the Right Kubota V3307 Fuel Injectors for Your KX080-4 or SVL75-2 Excavator

Every unplanned engine shutdown on a job site costs $1,200–$3,500 per hour in idle labor, rental fees, and missed deadlines. Counterfeit or mismatched fuel injectors cause uneven combustion, black smoke, hard starting, and Tier 4 emissions system faults — triggering costly DPF regeneration failures and downtime. OEM replacements take 3–4 weeks to arrive, halting critical excavation or loading operations.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This 4-piece fuel injector set is manufactured in ISO 9001-certified facilities and tested for spray pattern accuracy, opening pressure (295 bar ±3%), and flow consistency across all four units. Designed specifically for Kubota V3307-CR-TE4 engines used in compact excavators and loaders, it delivers stable injection timing and atomization under high-load digging cycles — eliminating hesitation during bucket breakout or boom lift. With 10 years’ experience supplying Kubota Tier 4 parts globally, we stock over 10,000 SKUs including this set — no waiting for production runs.

Where This Part Works

These injectors operate continuously in demanding environments: urban utility trenching with frequent stop-start cycles, quarry loading under dust-heavy conditions, port container handling with extended idling, and demolition sites with high vibration loads. In Tier 4-compliant machines like the KX080-4 and SVL75-2, precise fuel metering directly affects DOC/DPF efficiency and exhaust gas temperature control — making correct injector selection essential for emissions compliance and long-term aftertreatment life. Kubota Tier 4 fuel injectors for excavator must meet strict ECU calibration tolerances — our set does.

Engineering Details That Matter

Each injector features hardened stainless steel nozzle tips (HV 620–650) to resist abrasive wear from ultra-low-sulfur diesel and bio-blend fuels. The solenoid valve core uses copper-clad iron laminations with precision-wound coils (±1.5% resistance tolerance), ensuring consistent response time within 0.15 ms — critical for multi-pulse injection strategies. Sealing surfaces are lapped to Ra ≤0.2 μm finish, preventing high-pressure leakage at the cylinder head interface. Dimensional tolerances are held to ±0.01 mm on all mounting and sealing diameters, guaranteeing drop-in fit without adapter plates or shims. All internal passages undergo ultrasonic cleaning and nitrogen purge before final assembly to eliminate particulate contamination.

The Real Cost of Wrong Parts

A $120 counterfeit injector may fail within 150 operating hours — causing cylinder misfire, unburned fuel entering the crankcase, oil dilution, and eventual piston ring damage requiring full engine rebuild ($4,800+). OEM-equivalent parts from non-certified sources often skip batch testing for needle lift hysteresis or hydraulic response lag — leading to delayed combustion and excessive NOx output that triggers fault codes and derates machine power by up to 30%. Our injectors meet ISO 8528-10 and Kubota’s published performance specs for V3307-CR-TE4, reducing total cost of ownership (TCO) through longer service intervals (1,200+ hrs), fewer diagnostic visits, and zero emissions-related downtime. Kubota V3307 injectors must be replaced as a matched set — mixing old and new units causes imbalance and premature failure.

Why Customers Trust XUNPO

Packaging & Shipping

• Each injector sealed individually in anti-static blister pack; full set packed in rigid double-wall carton with molded EPS foam inserts
• In-stock items ship within 2–5 working days after order confirmation
• Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight — selected per customer requirement
• Real-time tracking number provided upon dispatch, with proactive delay alerts
• Minimum order quantity: 1 piece — supports emergency field repairs and single-unit verification

Get Your Kubota Fuel Injectors Now

Your excavator isn’t generating revenue while it sits idle. Send us your machine model (e.g., SVL75-2), current injector part numbers (e.g., 1J770-53050), and required quantity — we’ll reply with a competitive quote within 24 hours. First-time buyers can request a sample set for physical verification and bench testing before bulk purchase. Stock is available today; the sooner you order, the sooner your machine returns to productive work.

Frequently Asked Questions