FS53016NN Fuel Water Separator Apply to Cummins Engine

FS53016NN Fuel Water Separator – Cummins Engine Application

✅ Fitment & Compatibility

Compatible Cummins Engines:

• ISB 5.9L / 6.7L (2003–Present)

• ISC 8.3L

• ISL 8.9L

• QSB/QSC/QSL (Industrial & Marine variants)

Common Equipment:

• Trucks: Ram 2500/3500 (with Cummins), Freightliner, International

• Industrial: Generators, pumps, construction equipment

• Marine: Auxiliary engines, workboats

🔧 Technical Specifications

⚠️ Critical Notes

1. Replaces Older Models:

   • Supersedes FS53015NN (smaller capacity)

   • Direct replacement for Fleetguard FF53016NN

2. Water Sensor Compatibility:

   • Works with standard Cummins WIF (Water-In-Fuel) sensors

   • Note: Some marine applications require brass sensors

3. Service Life:

   • Standard: 15,000 miles or 500 engine hours

   • Severe Duty: 7,500 miles (high-sulfur fuel, biodiesel blends)

🔄 Cross-Reference Numbers

❌ Common Mistakes to Avoid

• Ignoring WIF warnings (can cause injector damage)

• Reusing O-rings (always replace with kit #FSOV16)

• Over-tightening (hand-tight + ½ turn only)

🛠️ Maintenance Procedure

1. Drain Water: Weekly in humid climates

2. Replace Filter: Every oil change (or when WIF light activates)

3. Prime System: Use hand pump to avoid air locks

❓ Need More Info?

• Biodiesel compatibility? (Works with B20, but reduces service life by 30%)

• Marine-specific installation tips?

• Troubleshooting fuel pressure drops?