Single Injector Replacement — OEM-Spec Fuel Injector for CASE Backhoes, Dozers & Excavators

The CASE 580-series backhoe loaders, 650G dozer, 850E crawler, and 9000-series excavators are proven heavy equipment workhorses — and when one injector fails, you feel it immediately in power, fuel consumption, and smoke. This direct-fit replacement injector (J919343) restores precise fuel metering to the affected cylinder, getting your CASE equipment back to reliable, productive operation without replacing the full set. One part number, confirmed fit across nine CASE models spanning backhoes, dozers, and excavators.

✅ Direct-Fit Compatibility

• CASE Backhoe Loaders: 580SK, 580L, 580SL, 590SL
• CASE Crawler Dozer: 650G
• CASE Crawler: 850E
• CASE Excavators: 9010B, 9020, 9030
• Bolt-on replacement — no modifications required
• Suitable for construction, earthmoving, and civil engineering applications

🔧 Built to CASE Equipment Standards

• OEM-matched spray pattern — precise fuel atomization for clean combustion, reduced smoke, and better fuel economy
• 100% new aftermarket — not rebuilt or remanufactured; starts with a full service life
• Wide equipment family coverage — one part number spans CASE backhoes, dozers, crawlers, and excavators across nine models
• Consistent injection pressure — reliable cold-start performance and smooth operation under all load and site conditions
• No dealer markup — OEM-equivalent quality at aftermarket pricing

📦 What's Included

• 1 × Fuel Injector (J919343)

🔑 Key Specs

• Part Number: J919343
• Condition: 100% New Aftermarket
• Quantity: 1 piece (single cylinder replacement)
• Fitment: CASE 580SK / 580L / 580SL / 590SL / 650G / 850E / 9010B / 9020 / 9030

In stock and ready to ship. Order today and get your CASE equipment back on the job.