The Yanmar 4TNV94L, 4TNV98T, and 4TNV94 are Tier 3/4-compliant 4-cylinder diesel engines powering compact excavators, skid steers, and utility equipment from multiple OEM brands worldwide. When the injection pump fails on any of these engines, you're facing hard starts, severe power loss, excessive smoke, and a machine that can't perform. This brand-new aftermarket injection pump is a direct bolt-on replacement for part numbers 729946-51390 and 729907-51320, precision-calibrated to restore OEM fuel pressure, injection timing, and delivery volume across the Yanmar 4TNV94 engine family.

✅ Direct-Fit Compatibility

• Yanmar Engines: 4TNV94L, 4TNV98T, 4TNV94
• Suitable for compact excavators, skid steers, and utility equipment fitted with the Yanmar 4TNV94 engine family
• Bolt-on replacement — no modifications required

🔧 Product Highlights

• 100% Brand New Aftermarket: Not rebuilt or refurbished — starts with a full service life
• OEM-Spec Calibration: Correct injection timing, fuel pressure, and delivery volume for the Yanmar 4TNV94 family
• Direct Bolt-On Fit: No modifications required; installs like the original
• Dual Cross-Reference: Covers both 729946-51390 and 729907-51320 for confirmed fitment
• 3 Engine Variant Coverage: Fits 4TNV94L, 4TNV98T, and 4TNV94 in a single part number
• Significant Cost Savings: Fraction of OEM dealer pricing for a new injection pump

📦 What's Included

• 1 × Fuel Injection Pump (729946-51390 / 729907-51320)

🔑 Key Specs

• Part Numbers: 729946-51390, 729907-51320
• Condition: 100% New Aftermarket
• Fitment: Yanmar 4TNV94L / 4TNV98T / 4TNV94 engines

Please verify your engine serial number and existing part number before ordering. Contact us for fitment confirmation if needed.