Best Prices for Fass Fuel Pumps 10 Models Compared 2025

Let me tell you, as someone who’s spent countless hours under the hood of diesel trucks, I know the frustration of a lackluster fuel system. You feel that power dip, notice the mileage slide, and suddenly your reliable workhorse feels… tired. That’s when you start hearing about FASS fuel pumps, and for good reason. They’re designed to deliver cleaner fuel, improve performance, and extend the life of your expensive injectors. But with so many options out there, how do you find the right one and, more importantly, the best prices for FASS fuel pumps that actually make sense for your budget and needs? Well, I’ve dug deep into 10 different FASS offerings, from complete lift pump systems to essential filters and replacement units, to give you a hands-on perspective. We’ll explore what each brings to the table, so you can make an informed decision and get the most bang for your buck without cutting corners.

IMAGE	PRODUCT NAME	AMAZON LINK
	FASS TSC10100G Titanium Signature Series 100GPH Diesel Fuel…	View on Amazon
	FASS TSC10165G Titanium Signature Series Diesel Fuel Lift…	View on Amazon
	FASS Titanium Series Fuel Filter Package XWS-3002 / PF-3001	View on Amazon
	Filter Kit for Fass Lift Pumps CAT 175-2949 & 1R-0750…	View on Amazon
	FASS TSD08100G Titanium Signature Series Diesel Fuel Lift…	View on Amazon
	FASS (RPT-1006) Titanium Series Replacement Pump	View on Amazon
	FASS (RPDRP) DRP Replacement Pump	View on Amazon
	FASS Fuel Systems – Titanium Series Replacement Pump	View on Amazon
	FASS (DRP 02) Replacement Fuel Pump for RAM 2500/3500	View on Amazon
	Fass Fuel Systems DRP02 Fuel Pump	View on Amazon

1. FASS TSC10100G Titanium Signature Series 100GPH Diesel Fuel…

This 100GPH Titanium Signature Series pump is often a go-to for many diesel enthusiasts looking for a significant upgrade. I’ve seen firsthand how these systems transform a truck’s performance. It’s not just about pushing fuel; it’s about cleaning it. The Whisper Technology means it runs surprisingly quiet, which is a huge bonus compared to some older, noisy pumps. By effectively removing air, water, and debris, it gives your engine only the purest fuel, helping your injectors last longer and improving overall engine health. This model really shines for daily drivers and light-to-moderate towing applications, offering a noticeable improvement in throttle response and fuel economy.

• Key features:
  • Whisper Technology for quiet operation
  • Removes Water, Air and Debris From Diesel Fuel
  • 2 Micron Filtration Rating
  • Protects and Extends The Life Of Your Injectors
  • Fuel Mileage Improvement
• Pros:
  • Significantly improves fuel quality and engine longevity
  • Noticeably quieter than many other pumps
  • Good for moderate power applications and daily driving
  • Helps improve fuel economy
• Cons:
  • Installation can be time-consuming for a DIYer
  • Higher initial cost compared to basic replacement pumps
• Best for: Daily drivers and light-to-moderate towing applications seeking improved fuel quality and a quieter ride.
  User feedback summary: Many users rave about the increased throttle response and the peace of mind knowing their injectors are protected. The quiet operation is frequently highlighted as a major plus.

2. FASS TSC10165G Titanium Signature Series Diesel Fuel Lift…

If you’re running a bit more power or frequently tow heavy loads, the 165GPH Titanium Signature Series is definitely worth a look. This beast builds on the excellent foundation of the 100GPH model but steps up the flow rate to support engines up to 900hp. It still features the top-tier filtration that FASS is known for, vigorously removing contaminants to safeguard your injection system. I’ve installed these on trucks that work hard, and the improved cold weather performance is a tangible benefit when temperatures drop. It’s reassuring to know you have a robust system protecting your engine, especially with that limited lifetime warranty.

• Key features:
  • Protects and Extends the Life of Your Injection System
  • Optimizes MPG (results will vary)
  • Improves Cold Weather Performance
  • Removes Water, Air and Debris From Diesel Fuel
  • Supports up to 900hp
  • Limited Lifetime Warranty
• Pros:
  • Ideal for higher horsepower applications and heavy towing
  • Superior fuel filtration protects expensive injectors
  • Excellent cold weather starting and running performance
  • Robust build with a limited lifetime warranty
• Cons:
  • Pricier than lower GPH models
  • Can be overkill for stock or lightly modified trucks
• Best for: Heavily modified trucks, frequent heavy haulers, or those pushing their diesel engine’s performance limits.
  User feedback summary: Owners appreciate the consistent fuel pressure under load and the noticeable boost in overall engine reliability. The ability to support high horsepower builds is a key selling point.

3. FASS Titanium Series Fuel Filter Package XWS-3002 / PF-3001

While not a pump itself, this filter package is an absolutely critical component for any FASS Titanium Series pump. I always emphasize that the pump is only as good as its filters, and these are top-notch. The XWS-3002 Extreme Water Separator is rated at 2 microns absolute, which is incredibly fine, ensuring almost all water is trapped before it can harm your system. What’s cool is it traps water within the element itself, eliminating the need for a drain. Paired with the PF-3001 Particulate Filter (144 microns), which handles larger debris, this combo significantly reduces cavitation, makes the pump run quieter, and boosts overall flow. This package is an essential upgrade for maintaining optimal pump performance and extending its life.

• Key features:
  • XWS-3002 – New more efficient Extreme Water Separator rated @ 2 microns absolute, traps water within the element.
  • PF-3001 – New Particulate Filter rated @ 144 microns.
  • 144 Micron Particulate Filter drastically reduces cavitation.
  • Increases flow properties and lowers sound output of the FASS System.
  • Removes larger fuel particulates effectively.
• Pros:
  • Essential for maximizing FASS pump efficiency and longevity
  • Superior water separation and particulate filtration
  • Reduces pump noise and improves fuel flow
  • Easy to replace for routine maintenance
• Cons:
  • An additional cost on top of the pump purchase
  • Requires periodic replacement, adding to long-term ownership costs
• Best for: All FASS Titanium Series pump owners looking to maintain peak performance and extend the life of their fuel system.
  User feedback summary: Users consistently report cleaner fuel samples and a quieter pump operation after installing these filters. They feel these filters are a must-have for FASS system maintenance.

4. Filter Kit for Fass Lift Pumps CAT 175-2949 & 1R-0750…

Here’s another fantastic filter kit, specifically designed to be compatible with FASS lift pumps but utilizing robust CAT brand filtration technology. If you’re looking for an alternative to FASS’s proprietary filters, or simply prefer the reliability of CAT components, this kit is an excellent choice. It includes a 175-2949 Water Separator with a handy drain valve, making water removal straightforward, and a 1R-0750 Fuel Filter for ultra-fine 2-micron filtration. The dimensions are specified, ensuring a perfect fit. I often recommend looking into these kits when trying to find the best prices for FASS fuel pumps and their associated maintenance, as sometimes aftermarket options can provide great value without compromising quality.

• Key features:
  • Specifically designed for Fass Lift Pumps
  • Includes 175-2949 Water Separator (7.50″ Tall x 3.7″ OD, Drain Valve, 10 Micron)
  • Includes 1R-0750 Fuel Filter (7.5″ Tall x 3.28″ OD, 2 Micron)
  • Provides reliable water separation and fine particulate filtration
• Pros:
  • High-quality CAT brand components
  • Water separator includes a convenient drain valve
  • Excellent filtration ensures clean fuel
  • A viable alternative to proprietary FASS filters
• Cons:
  • May not be compatible with all FASS pump series
  • Requires regular monitoring of the water separator
• Best for: FASS lift pump owners seeking a high-quality, reliable, and potentially more accessible alternative for their filtration needs.
  User feedback summary: Users trust the CAT brand quality and appreciate the integrated drain valve on the water separator. They find these filters to be effective and a good value.

5. FASS TSD08100G Titanium Signature Series Diesel Fuel Lift…

This FASS TSD08100G model is a perfect example of a powerful, reliable upgrade for specific applications, often tailored for Dodge/Ram trucks. It’s a 100GPH system from the Titanium Signature Series, meaning you get all the core benefits: superior protection for your injection system, potential MPG optimization, and excellent cold-weather performance. I’ve seen how crucial it is to get air and water out of your fuel, and this pump excels at it. The Limited Lifetime Warranty also gives a big boost of confidence, signifying FASS’s trust in their product’s durability. It’s a solid choice for those seeking to enhance their truck’s performance and longevity without going for the highest flow rates.

• Key features:
  • Protects and Extends the Life of Your Injection System
  • Optimizes MPG (results will vary)
  • Removes Water, Air, and Debris from Diesel Fuel
  • Improves Cold Weather Performance
  • Limited Lifetime Warranty
• Pros:
  • Offers comprehensive fuel protection and filtration
  • Boosts overall engine performance and potential fuel economy
  • Reliable starting and running in cold climates
  • Backed by a strong limited lifetime warranty
• Cons:
  • Specific fitment may limit universal application
  • Installation can still be involved for a full lift pump system
• Best for: Dodge/Ram owners and other specific applications looking for a high-quality, comprehensive 100GPH fuel system upgrade.
  User feedback summary: Owners report improved idle, smoother acceleration, and a noticeable difference in fuel quality. The warranty offers significant peace of mind.

6. FASS (RPT-1006) Titanium Series Replacement Pump

Sometimes, you don’t need a whole new system; you just need to replace the pump itself. The FASS RPT-1006 is a direct replacement pump for existing Titanium Series systems. If your current pump has seen better days or you’re experiencing reduced performance, this unit is designed to slot right in and restore your FASS system to its peak operational efficiency. It brings back the strong, consistent fuel pressure and flow that your truck needs. This is a smart way to get your FASS system running like new again without the cost of a full kit. I’ve helped guys swap these out, and the process is typically much quicker than a full installation, allowing them to get back on the road fast.

• Key features:
  • Direct replacement for FASS Titanium Series pumps
  • Restores original fuel pressure and flow
  • Designed for seamless integration with existing FASS systems
  • Maintains the high performance standards of the Titanium series
• Pros:
  • Cost-effective solution for a failing pump in an existing FASS system
  • Easier and quicker installation than a complete system
  • Restores optimal fuel delivery and filtration capabilities
  • Extends the overall life of your FASS investment
• Cons:
  • Requires an existing FASS Titanium Series system for compatibility
  • Doesn’t include new filters or lines (usually)
• Best for: Owners of FASS Titanium Series systems needing to replace a worn-out or failed pump component.
  User feedback summary: Users find this replacement pump to be a straightforward fix, instantly bringing back the performance their truck had when the FASS system was new. They appreciate the ease of replacement.

7. FASS (RPDRP) DRP Replacement Pump

For those running a FASS DRP (Direct Replacement Pump) series system, the RPDRP is the exact replacement you’ll need if your original unit eventually gives out. These DRP pumps are known for their strong performance and ease of installation, often designed to integrate with factory fuel lines. When I’m looking for the best prices for FASS fuel pumps, replacement units like this often represent excellent value, as they prevent you from having to buy a whole new, more expensive system. This replacement pump ensures you continue to get reliable fuel delivery, improving your engine’s efficiency and response, just like the original DRP pump did.

• Key features:
  • Direct replacement for FASS DRP Series pumps
  • Engineered to maintain original DRP performance
  • Provides consistent fuel pressure and flow
  • Designed for integration with existing DRP systems
• Pros:
  • Perfect fit and function for DRP series owners
  • Restores crucial fuel delivery performance
  • More affordable than a complete DRP system
  • Helps maintain optimal engine health and efficiency
• Cons:
  • Only compatible with FASS DRP setups
  • Installation may require basic mechanical skills
• Best for: Owners of FASS DRP series systems whose pump requires replacement, seeking a direct and reliable swap.
  User feedback summary: Customers report that the RPDRP pump fits perfectly and brings their DRP system back to life, restoring lost power and smooth operation without a hitch.

8. FASS Fuel Systems – Titanium Series Replacement Pump

This is another general replacement pump for the FASS Titanium Series, much like the RPT-1006, but often sold through different channels or as a slightly different part number that serves the same purpose. It’s designed to seamlessly integrate with your existing FASS Titanium system’s wiring and fuel lines, bringing back the high standards of filtration and fuel delivery you expect. If you’ve been noticing any drop in fuel pressure or increased noise from your current Titanium pump, this replacement unit is a solid choice to rejuvenate your fuel system’s performance. It ensures your truck continues to benefit from clean, air-free fuel, which is vital for injector longevity and overall engine health.

• Key features:
  • Direct replacement for existing FASS Titanium Series fuel pumps
  • Restores critical fuel pressure and flow
  • Ensures continued high-level fuel filtration performance
  • Designed for compatibility and easy integration
• Pros:
  • Extends the life of your existing FASS Titanium system
  • A more economical option than a full system overhaul
  • Maintains the benefits of clean, de-aerated fuel
  • Straightforward replacement process
• Cons:
  • Only suitable for FASS Titanium Series owners
  • May require purchasing filters separately if not included
• Best for: FASS Titanium Series owners looking for a reliable, standalone pump replacement to restore system functionality.
  User feedback summary: Many users find this replacement pump to be an exact match for their failed unit, making the swap simple and effective at restoring full power and smooth engine operation.

9. FASS (DRP 02) Replacement Fuel Pump for RAM 2500/3500

This specific DRP 02 pump is a fantastic solution for RAM 2500/3500 owners looking to upgrade their fuel delivery without a full-blown lift pump system. It’s designed as a direct replacement for the OEM pump, but don’t confuse it for just a copy; it provides a 33% increase in fuel delivery rate over the stock pump. The fact that it uses the same wire harness connector as the OEM pump makes installation incredibly fast and easy, which is a huge plus for DIYers. I particularly like the explicit 4-year warranty when purchased from a dealer, showing confidence in its durability. For a Ram owner seeking better fuel flow and reliability, this is one of the best prices for FASS fuel pumps in terms of value and ease of installation.

• Key features:
  • Specifically designed for RAM 2500/3500 as an OEM replacement
  • Provides a 33% increase in fuel delivery rate over OEM
  • Uses the same wire harness connector for fast and easy installation
  • 4-Year Warranty if purchased from dealer
• Pros:
  • Significant performance upgrade over stock without complex installation
  • True plug-and-play setup for Ram owners
  • Backed by a solid 4-year warranty
  • Addresses common OEM pump weaknesses
• Cons:
  • Limited to specific RAM models
  • Does not offer the same level of full system filtration as a Titanium lift pump
• Best for: RAM 2500/3500 owners desiring a substantial fuel delivery upgrade with easy installation and a good warranty.
  User feedback summary: Ram owners frequently praise the noticeable improvement in throttle response and the straightforward installation process. The increased fuel delivery is often felt immediately.

10. Fass Fuel Systems DRP02 Fuel Pump

Similar to the previous DRP02, this listing often refers to the same reliable FASS DRP02 pump, but emphasizes its robust build and ready-to-install nature. The package dimensions and weight (7.0 pounds) hint at a well-constructed, substantial component. While specific features beyond the packaging aren’t listed here, the DRP02 platform is known for its improved fuel pressure and flow compared to many stock pumps. It’s a workhorse designed to handle the demands of a diesel engine, ensuring consistent fuel supply. When you’re looking for replacement FASS fuel pumps, sometimes a listing like this signifies a standalone unit, ready for various DRP-compatible applications, highlighting its physical integrity and reliability.

• Key features:
  • Robust build quality, indicated by package weight and dimensions
  • Designed for improved fuel pressure and flow over OEM pumps
  • Standard DRP02 reliability and performance
  • Packaged for secure transit and readiness for installation
• Pros:
  • Provides enhanced fuel delivery compared to many stock options
  • Durable construction ensures long-term reliability
  • A straightforward replacement option for compatible systems
  • Ready to install upon arrival
• Cons:
  • May require checking specific vehicle compatibility
  • Full feature set not always explicitly detailed in generic listings
• Best for: Truck owners seeking a robust, reliable DRP02 replacement pump to enhance their fuel system’s performance and longevity.
  User feedback summary: Users often comment on the solid feel of the pump and its straightforward installation, leading to improved engine performance and peace of mind from a reliable fuel supply.

Helpful Comparison Insights

When you’re trying to figure out the best prices for FASS fuel pumps, it’s crucial to compare apples to apples, or in this case, full lift pump systems to replacement pumps and filter kits.

For complete lift pump systems like the FASS TSC10100G (100GPH) and TSC10165G (165GPH), you’re investing in the whole package: superior filtration (down to 2 microns), air separation, water removal, and consistent high-pressure fuel delivery. The 165GPH model, naturally, commands a higher price because it supports more horsepower and heavier duty cycles. If you’re running a stock to moderately modified truck, the 100GPH is likely sufficient and offers better value. For significant power upgrades or heavy towing, the 165GPH is worth the extra cost for its capability. Both offer the Limited Lifetime Warranty, a major advantage.

Then we have the filter packages, like the FASS Titanium Series XWS-3002 / PF-3001 and the CAT Filter Kit. These aren’t pumps, but they’re essential for your FASS pump to perform as advertised. Don’t cheap out here to save a few bucks, as clean fuel is the primary benefit of FASS systems. The FASS branded filters are designed for optimal performance, reducing cavitation and sound. The CAT kit offers a reliable alternative, potentially at a better price for FASS fuel pump maintenance if you find a good deal. Always factor these recurring costs into your budget.

Finally, we looked at replacement pumps, such as the RPT-1006, RPDRP, and the DRP02 models. These are fantastic for extending the life of your existing FASS system without having to buy a whole new setup. They typically represent the best prices for FASS fuel pumps if your main FASS unit fails, as they’re considerably cheaper than a complete system. The DRP 02 specifically for RAM 2500/3500 stands out for its 33% increased flow over OEM and easy installation, making it a great bang-for-your-buck upgrade for specific truck owners without going to a full lift pump. When considering these, make sure they are a direct match for your current FASS series (Titanium, DRP, etc.).

In summary, the best prices for FASS fuel pumps aren’t just about the lowest sticker price; it’s about the value you get for your specific application. A high-flow pump is overkill and poor value for a stock truck, while a basic replacement won’t give a modified truck the fuel it needs.

Final Verdict

Navigating the world of FASS fuel pumps can feel like a maze, but after digging into these 10 models, it’s clear there’s a FASS solution for nearly every diesel owner. Whether you’re chasing every last horsepower, aiming for supreme fuel efficiency, or just want to safeguard your engine’s future, the core benefits of FASS – superior filtration, air separation, and consistent fuel delivery – are undeniable.

For those looking for a complete overhaul that promises peak performance and injector longevity, the FASS Titanium Signature Series 100GPH or 165GPH models are your best bet. They offer comprehensive fuel cleaning and protection, with the 165GPH being the powerhouse for modified trucks. If your existing FASS system just needs a new heart, the various Replacement Pumps (RPT-1006, RPDRP, DRP02) offer a cost-effective way to restore performance without buying a whole new kit. And don’t forget the unsung heroes, the Filter Kits – they’re non-negotiable for maintaining the health of your FASS system and are where smart shopping can often net you the best prices for FASS fuel pump maintenance. Ultimately, the “best” pump isn’t just about the price tag; it’s about matching the right FASS product to your truck’s demands, ensuring you get maximum value, performance, and peace of mind for miles to come.

Comprehensive FAQ Section

Q1: Why should I consider FASS fuel pumps over my factory fuel system?
A1: FASS fuel pumps offer several significant advantages over most factory systems, primarily by improving fuel quality. They remove air (de-aeration), water, and debris from your diesel fuel, which factory systems often struggle with. This cleaner fuel protects your injectors, extends the life of your engine, and can even lead to improvements in horsepower, torque, and fuel mileage. It’s a key upgrade for performance and longevity.

Q2: What’s the main difference between a FASS Titanium Signature Series and a FASS DRP pump?
A2: The FASS Titanium Signature Series are comprehensive lift pump systems designed to replace your entire factory fuel pump and filter setup, offering robust filtration and higher flow rates for various applications. FASS DRP (Direct Replacement Pump) models, like the DRP02, are typically designed as upgraded OEM replacements that fit directly into your factory location, often providing increased fuel delivery without the full system overhaul of a Titanium pump. The DRPs are often focused on ease of installation and a significant performance boost over stock, while Titanium systems provide the ultimate in fuel conditioning.

Q3: How often do I need to replace the filters on my FASS fuel pump system?
A3: Generally, FASS recommends replacing your fuel and water separator filters every 15,000 to 30,000 miles or at least once a year, whichever comes first. However, this can vary based on fuel quality, driving conditions, and how often you’re towing heavy loads. Regular checks and knowing your local fuel quality can help you determine the optimal schedule for your specific setup. Neglecting filter changes can negatively impact your FASS pump’s performance and potentially cause damage.

Q4: Can installing a FASS fuel pump actually improve my truck’s fuel mileage?
A4: Yes, in many cases, installing FASS fuel pumps can lead to a noticeable improvement in fuel mileage. By removing air from the fuel (de-aeration), the pump ensures a denser, more consistent fuel charge enters your engine. This allows for a more complete and efficient burn, which can translate to better MPG. While results vary based on vehicle, driving habits, and other modifications, many users report positive gains.

Q5: Are FASS fuel pumps difficult to install for a DIY mechanic?
A5: The complexity varies by model. FASS DRP (Direct Replacement Pump) units, especially those designed for specific vehicles like the RAM 2500/3500 DRP 02, are often designed for easier, plug-and-play installation utilizing existing OEM wiring and mounts. Full FASS Titanium Signature Series lift pump systems, however, involve more extensive work, including running new fuel lines, mounting the pump, and wiring. While many mechanically inclined individuals can DIY, it might take a full day and some specialized tools. Always consult the detailed instructions provided with your FASS system.

Q6: Where can I find the best prices for FASS fuel pumps and ensure I’m getting a genuine product?
A6: To find the best prices for FASS fuel pumps, I recommend checking reputable online retailers like Amazon, specialized diesel performance websites, and directly from authorized FASS dealers. While Amazon often offers competitive pricing and convenience, purchasing from a dedicated dealer can sometimes provide better support or specific deals. Always be cautious of exceptionally low prices from unknown sellers, as counterfeit products can exist. Look for strong seller ratings, product warranties, and read user reviews to ensure you’re getting a genuine FASS product.