Cummins Injection Pump

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Buy Fuel Injection Pumps for Cummins Engine – New, Used & Rebuilt

Is your Cummins not firing on all cylinders? A reliable fuel injection pump makes all the difference in performance. Here, you’ll find a handpicked selection of new, gently used, and professionally rebuilt pumps designed specifically for Cummins engines. Every unit is inspected for proper fit and pressure output before it leaves our facility.

Install with confidence and feel the difference in power delivery immediately.

How to Recognize Early Warning Signs of a Weak Pump

Keeping your engine in top shape means knowing when the pump starts to lose its edge. Watch for these red flags:

Struggling to Fire on Cold Mornings
If you’re cranking longer than usual in chilly weather, it’s often the pump failing to build adequate pressure.
Thick Black Smoke on Acceleration
That sooty plume suggests the pump isn’t atomizing fuel properly, leading to incomplete combustion.
Noticeable Drop in Towing Power
When you haul heavy loads or climb steep inclines, any hesitation or lack of grunt usually points toward fuel delivery issues.
Uneven or Surging Idle
A pump that’s wearing out can’t maintain steady fuel flow, so your engine will hunt for smooth operation at idle.
Sudden Decline in Diesel Mileage
If your fill-ups happen more often with no other mechanical changes, your pump might be leaking or simply losing its efficiency.

Choose the Right Pump Condition for Your Budget

Pumps come in three categories: brand-new, rebuilt, and used. We verify each one with strict inspection to ensure you get a part built for longevity and dependability.

Brand-New Pumps

When you need top-tier reliability, a factory-fresh pump is the answer. These units are crafted to Cummins’ exacting standards. Expect precise calibration right out of the box with no additional tweaking required. New pumps suit high-mileage trucks or critical-duty applications where downtime is not an option.

Professionally Rebuilt Pumps

A rebuilt pump offers a smart balance of cost and quality. Expert technicians from remanufacturing facilities strip each unit down, replace worn components, and conduct thorough flow testing. Although the rebuilding process takes place at certified remanufacturing centers, every pump receives an extra layer of in-house inspection before shipment.

Lightly Used Pumps

Older Cummins engines with simpler mechanical setups often work just fine with a lightly used pump. We only inventory units that pass our inspection standards. This category makes sense if your engine has a solid maintenance history, and you want to save some cash.

We Offer Only Trusted Brands Tailored for Cummins Engines

We stock only the most reputable names in diesel fueling. Every brand in our collection aligns with a specific Cummins platform or era:

Bosch (P7100, VP44, CP3):

P7100 mechanical pumps serve 5.9L 12-valve engines found in late-’80s to late-’90s Dodge Rams.

VP44 electronic pumps fit 5.9L 24-valve and early 6.7L variants from model years 1998 through 2002.

CP3 common-rail pumps deliver high-pressure injection to mid-2000s and newer ISB and ISC series.

CAV / Lucas:

Original equipment on early 5.9L 12-valve engines, known for robust, no-nonsense operation.

Delphi:

Common-rail units used in 5.9L and 6.7L ISB engines, offering consistent spray and dependable cold starts.

Denso:

Found on modern 6.7L and industrial Cummins platforms, prized for precise electronic metering under heavy loads.

Roosamaster / Stanadyne:

Mechanical pumps for vintage industrial and agricultural Cummins engines that demand rugged, straightforward design.

Zexel:

Three-stage pumps common on light-duty 5.9L ISB applications, valued for smooth fueling transitions.

Compatible Cummins Engines & Vehicle Types With Our Fuel Pumps

Our offerings cover a wide range of Cummins-powered machines. Here’s a quick overview:

5.9L 12-Valve (1989–1998): Dodge Ram 2500/3500; you’ll need a Bosch P7100 or CAV mechanical pump.
5.9L 24-Valve (1998.5–2002): Dodge Ram 2500/3500 and chassis cabs; Bosch VP44 electronic pumps keep these running.
5.9L Common-Rail ISB (2003–2007): Early CR engines in pickups and vans; Bosch CP3 or Delphi units handle high-pressure needs.
6.7L Common-Rail (2007–Present): Modern Dodge Ram, Ford industrial variants, and marine markets; Denso and Delphi CR pumps shine here.
ISX & QSX (8.9L, 12L, 15L): Heavy-duty trucks, school buses, and construction equipment that demand factory-style CP3 or CP4 solutions.
QSB (6.7L) & QSC (8.3L): Mid-size commercial vehicles, forklifts, and agricultural machinery; Denso CRI pumps deliver consistent performance.
Industrial 4B & 6BT (3.9L, 5.9L): Generators, marine vessels, and earth-moving equipment that rely on Stanadyne or Roosamaster mechanical units.

If you’re not sure which pump you need, send us your VIN or engine code. Our team will cross-reference factory build data to find the right match.

Our OEM Grade Injection Pumps Serve the Toughest Areas

No matter how you use your Cummins engine, we have a pump for it:

Long-Haul and Fleet Trucks: Keep your rig moving on cross-country hauls without hesitation.
Delivery Vans and Service Fleets: Ensure consistent starts and fuel economy during stop-and-go routes.
Agricultural and Construction Equipment: Depend on rugged pumps to power tractors, excavators, and other heavy-duty machines.
Marine and Power Generation: Use marine-grade or industrial CR pumps to run your boat or generator set without hiccups.
Recreational Vehicles: Feel confident hitting the road in your motorhome or fifth wheel, knowing your pump won’t let you down.

How to Verify You’ve Chosen the Correct Pump?

Avoid wasted time and money by confirming the right part before you buy. Follow these simple steps:

Read the Pump’s ID Tag: Find the stamped part number on the pump housing. Cummins tags usually include seven or eight digits.
Locate Your Engine Code: Look for the code on a metal plate in your engine bay or on the valve cover. Some common codes include 6BT, 6ISB, and QSB.
Share Your VIN or Service Records: Our team decodes factory data from your VIN to identify your engine family and original pump number.
Speak with Our Diesel Experts: If anything remains unclear, reach out by phone or live chat. We guide you through any confusion and confirm the perfect fit.

Why Customers Rely on Goldfarb & Associates for Cummins Injection Pumps

With years of experience sourcing diesel components, we excel in these areas:

Cummins Specialization: Our technicians know Cummins fuel systems inside and out, so troubleshooting fitment or performance questions happens in minutes.
No Core Deposit Options Available: Install your new or rebuilt pump right away without an up-front core charge.
Fast, Reliable Shipping: Place your order by 3:30 PM EST, and we ship the same day from our central distribution hub.
Transparent, Competitive Pricing: We negotiate directly with OEMs and top-tier remanufacturers to give you fair rates on even the rarest Cummins pumps.
Rigorous Quality Control: Every pump—new or rebuilt—undergoes leak, flow, and pressure inspections so you know you’ll receive a part built to last.

Ready to Restore Power to Your Cummins?

Browse our full catalog of Cummins-compatible injection pumps or contact our support team to get personalized recommendations. With options ranging from brand-new to lightly used, you’ll find exactly what you need to bring back reliable performance.

Place your order today and experience the difference a quality pump makes.

Frequently Asked Questions

Can I install a rebuilt injection pump on my Cummins engine?

Yes, rebuilt pumps are a cost-effective alternative to new ones. Ensure the rebuilt pump matches your engine's specifications and has been inspected for quality and performance.

How do I choose between a new, rebuilt, or used injection pump?

New pumps offer the longest lifespan and guarantee factory-spec performance. Rebuilt pumps provide a balance between cost and reliability. Used pumps are budget-friendly but may have a shorter service life. Your choice depends on your budget and how long you plan to keep the vehicle.

Are there specific brands recommended for Cummins injection pumps?

Brands like Bosch, Delphi, and Denso are commonly used in Cummins engines. It's essential to select a pump compatible with your engine model and year.

How can I ensure the injection pump I purchase is compatible with my Cummins engine?

Check your engine's model number and specifications. Consult with a diesel specialist or refer to the manufacturer's guidelines to match the correct injection pump to your engine. If you have further questions or need assistance selecting the right injection pump for your Cummins engine, feel free to reach out.

Is the Bosch VP44 injection pump compatible with my 1998.5–2002 5.9L Cummins?

Yes, the Bosch VP44 injection pump is designed for 1998.5 to 2002 Dodge Ram trucks equipped with the 5.9L 24-valve Cummins engine. It's essential to match the pump's specifications with your vehicle's requirements to ensure optimal performance.

What are the benefits of using a Bosch P7100 pump on my 12-valve Cummins?

The Bosch P7100 pump offers precise fuel delivery and is known for its durability. It's a popular choice for 12-valve Cummins engines, especially among those seeking performance enhancements.

How does the Bosch CP3 pump improve performance on a 6.7L Cummins?

The Bosch CP3 pump delivers consistent high-pressure fuel and enhances combustion efficiency. It's suitable for 6.7L Cummins engines and provides reliable performance under various operating conditions.