When Should You Replace Your Diesel Nozzle?

A worn or damaged nozzle can quietly erode engine efficiency and sharply raise operating costs. Regular inspection helps you identify issues before they lead to expensive repairs or unexpected downtime.

• A noticeable drop in engine power under load makes heavy tasks feel tougher

• Fuel consumption rises even when your workload remains the same, driving up your operating costs

• Thick black or white smoke at startup indicates that fuel or oil is not burning clean

• Rough idling or sudden surges shake the machine and cause uneven performance

• Failing an emissions test can result in fines and unplanned downtime

Address these signs promptly with new or remanufactured nozzles to protect engine health and maintain optimal efficiency.

Why Opt for CAT Diesel Nozzles?

CAT nozzles deliver reliable injection performance across demanding applications. Built to OEM specifications, they combine precision engineering with rugged materials to put fuel exactly where and when it’s needed.

Here’s why CAT diesel nozzles are most well-known for:

• Precision‑machined orifices maintain uniform spray geometry for complete combustion and cleaner exhaust

• Hardened stainless steel components resist wear and corrosion under extreme pressure and temperature

• Finer atomization reduces fuel consumption while preserving or boosting power output

• Tight manufacturing tolerances extend service intervals and reduce the need for frequent replacements

• Global CAT distribution network ensures fast access to genuine parts when downtime is not an option

These advantages lower your total cost of ownership, maximize uptime, and keep even high‑hour engines running like new.

Budget‑Friendly Nozzle Solutions: New, Remanufactured & Pre‑Owned

Select the condition that aligns with your performance goals and spending plan.

Brand‑New Nozzles

Fresh from the factory, these CAT nozzles arrive polished and calibrated to OEM specifications. Restore peak injection pressure and precise spray control immediately.

Remanufactured Nozzles

Sourced from leading remanufacturers, our remanufactured units undergo a rigorous inspection checklist. We verify surface flatness, spring tension calibration, and fitment to ensure rebuilt nozzles perform like new at a fraction of the cost.

Pre‑Owned Nozzles

Used nozzles pass a detailed visual and physical inspection to confirm their rebuildable condition. We check orifice integrity, body surface condition, and connector health. If a part arrives in a condition different from advertised, we offer a refund or replacement.

Match Your Engine to the CAT Nozzle You Need

Use this cross‑reference guide for popular Caterpillar powerplants in industrial, construction, marine, and power‑generation applications.

• CAT 3116 | CAT 3126 | CAT C7 series

• CAT C9 | CAT C11 | CAT C13 series

• CAT C15 | CAT 3306 | CAT 3304B

• CAT 3406E | CAT 3408 | CAT 3412

• CAT 3508 | CAT 3512 | CAT 3516

Get Reliable Performance Across All Diesel Equipment

Our CAT nozzles support power and efficiency across every application in your fleet.

• Automotive and light‑diesel trucks

• Agricultural tractors and harvesters

• Construction machinery and earthmovers

• Marine engines and auxiliary power units

• Mining haul trucks and loaders

• Stationary power generators

• Forestry equipment and chippers

• Oil and gas drilling rigs

What Sets Goldfarb & Associates Apart?

Choose a partner with deep industry roots and rigorous quality checks.

Over Twenty Years of Expertise

We have over two decades of experience in diesel parts distribution in the US and worldwide, providing us with unmatched application knowledge.

Strict Inspection Protocols

Every nozzle undergoes visual and physical checks against a comprehensive standards list to ensure it meets or exceeds OEM requirements.

Nationwide & Global Sourcing

We source new, remanufactured, and used units from trusted suppliers across 50 states and 20 countries.

Same‑Day Shipping on In‑Stock Orders

Place your order by 3:30 PM EST on weekdays for free ground shipping from our Maryland warehouse.

Easy Refunds & Replacements

If a part arrives in a condition different from what we described, Goldfarb will promptly issue a refund or ship a replacement.

Frequently Asked Questions

How do I find the right CAT nozzle for my engine?

Provide your engine make, model, and year to our team. We’ll cross‑reference CAT part numbers against your specifications to guide you to the exact nozzle you need.

Are remanufactured CAT nozzles as reliable as new ones?

Each remanufactured nozzle comes from leading remanufacturers and passes a detailed inspection checklist. You get OEM‑level performance at a lower cost, backed by our replacement guarantee.

What happens if a pre‑owned nozzle arrives in poor condition?

All used cores undergo visual and physical checks before shipping. If a part does not match our description, contact us for a prompt refund or replacement at no extra charge.

Can I get same‑day shipping on CAT nozzles?

Orders placed by 3:30 PM EST on weekdays ship the same day from our Maryland warehouse. Free ground shipping applies to in‑stock items that meet the minimum order value.

Do Goldfarb nozzles come with a warranty?

Goldfarb does not offer a standard warranty on new, remanufactured, or used nozzles unless otherwise agreed. We do promise a refund or replacement if the part arrives in a condition different from what we guaranteed.

How can I ensure my CAT nozzle will help me pass emissions tests?

Precision‑machined orifices ensure complete combustion and lower emissions. If your engine fails an emissions test after installation, we’ll work with you to find a solution or replace the part.

Upgrade Your CAT Injection System Today

Take control of your engine’s performance with a precision CAT diesel nozzle. Browse our ready‑to‑ship inventory and place your order now for the same‑day processing. Need advice? Contact our specialists at (301) 770-4514 to find the perfect nozzle for your application.