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Fuel Injection Pump 3973228 For Cummins ISLE 9.5 Diesel Truck

Fuel Injection Pump 3973228 For Cummins ISLE 9.5 Diesel Truck

Item Name: Fuel Injection Pump, 3973228 for Cummins
Part Numbers: Fuel Injection Pump 3973228
Engine Model: for Cummins ISLE 9.5 Diesel Truck
Confirm Fit: Make sure the part number is the same or that the part is an exact match for your vehicle.

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Product Introduction

⚡ Fix Engine Power Loss in One Upgrade

If your Cummins ISLE engine is experiencing:

❌ Hard starting

❌ Power loss under load

❌ Excessive fuel consumption

❌ Black smoke emissions

👉 The root cause is often a failing fuel injection pump

✅ Solution:

High-performance replacement pump (3973228 / 5594766 / 4921431)
Built to restore fuel pressure, efficiency, and engine stability

🎯 Why This Pump Outperforms Standard Aftermarket Options

🔬 Precision Fuel Delivery (OEM-Level Accuracy)

Calibrated to match original Cummins specifications

Ensures stable high-pressure fuel supply

Improves combustion → more power, less waste

🔩 Built for Harsh Diesel Environments

High-strength alloy construction

Resistant to heat, pressure, and corrosion

Reinforced seals prevent leakage

⚙️ Direct OEM Replacement - No Modifications

Replaces: 3973228 / 5594766 / 4921431

Perfect fit for Cummins ISLE 9.5 engines

Plug-and-play installation

⛽ Reduce Operating Costs

Improves fuel efficiency

Reduces carbon buildup

Extends engine lifespan

Compatible Injection Pump Models

Injection Pump Part Numbers:

CUMMINS 3973228 Fuel Pump	0445120236
5594766	0445120059
CCR1600	5594765
4088866	5311171
4902732	4954200R
2897500	4921431
4954200	Cummins QSC8.3
4306945	Cummins ISC
P4954200	Cummins ISLE
3330991	Cummins QSL9
4921732	4954907
4088604	3975375
5594766	2897500
P4954200	4821431
6745-71-1170	5473199
0445120231	4088866

📊 Quick Specifications

Parameter	Details
Part Numbers	3973228 / 5594766 / 4921431
Engine Compatibility	Cummins ISLE 9.5
Fuel System	High-Pressure Common Rail
Material	High-strength steel + anti-corrosion coating
Seals	High-temperature resistant (Viton equivalent)
Application	Trucks, buses, generators, machinery

💼 Designed for Heavy-Duty Applications

✔ Commercial trucks (Freightliner, International)
✔ Transit buses & coaches
✔ Construction & agricultural machinery
✔ Industrial generators

👉 Built for continuous operation under high load

🧠 Real Value for Buyers (Why Customers Switch)

💰 Lower cost vs OEM dealers

🔒 OEM-level reliability

⚡ Fast global shipping

📦 Stable supply capacity (3000 units/month)

🌍 Trusted by international buyers

🔄 Installation & Maintenance Tips

To maximize lifespan:

Use clean diesel fuel (critical)

Replace filters regularly

Check fuel pressure after installation

Follow Cummins installation standards

💡 Proper maintenance = 30–50% longer service life

❓ FAQ (Optimized for Conversion)

1. Is this pump original or aftermarket?

High-quality aftermarket, manufactured to meet or exceed OEM standards.

2. Do you offer bulk pricing?

Yes. We support wholesalers, distributors, and fleet buyers.

3. How fast can you ship?

Standard: 5–10 days

Express: Available

4. Can I confirm compatibility before buying?

Yes. Send engine model or part number - we verify for you.

5. What problems does this pump fix?

Hard starting

Power loss

High fuel consumption

Smoke emissions

6. What happens if I install a low-quality pump?

Unstable pressure

Engine damage risk

Higher long-term costs

👉 Choosing quality = saving money long-term

Flexible Payment Methods for Your Convenience

To make your purchasing experience smooth and easy, we offer a variety of secure payment options:

Bank Transfer

Pay directly in 15 supported currencies.

Western Union

Quick and global money transfers.

PayPal

Safe and convenient online payment.

Alibaba

Enjoy extra protection with trusted Alibaba transactions.

We're here to make your order process worry-free - choose the payment method that works best for you!

Shipping Made Simple

We understand that every customer has unique shipping needs. That's why we offer:

Global Express Services

DHL, FedEx, UPS for fast and secure delivery.

Sea Freight Solutions

Affordable and efficient for bulk orders.

Flexible logistics

Prefer your own forwarder? We're happy to work with them too.

No matter the destination, we tailor the best shipping solution for you.

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