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Transmission Filter Kit Guide for the 2017-2024 Phoenix Cruiser (Ford E-450 Chassis)

Keep your RV's heavy-duty transmission shifting smoothly by knowing when and how to replace its filter.

3 minutes to read 2017-2024 Phoenix Cruiser
Difficulty
3/5
Est. Time
2 hrs
DIY Doable?
✅ Yes
Shop Labor
$150-$400
⚠️ Drivable, but... — You can drive, but you should get it serviced soon to avoid turning a minor filter issue into a major transmission failure.
Key Takeaways
  • The 2017-2024 Phoenix Cruiser uses a Ford E-350/E-450 chassis with a 6R140 transmission, which requires a specific filter (OEM part BC3Z-7A098-B or FT-187).
  • For severe duty use like an RV, changing the transmission fluid and filter every 30,000 miles is recommended to prevent issues like shuddering and overheating.
  • High-quality aftermarket brands like Wix are a reliable and cost-effective alternative to the OEM Motorcraft filter.
  • The job is DIY-feasible but messy; the original pan gasket is often reusable if it's not damaged.
Your Phoenix Cruiser is built on a Ford E-350 or E-450 chassis, which typically uses a heavy-duty 6-speed TorqShift 6R140 automatic transmission. The transmission filter kit is a critical maintenance part for this system. Its main job is to trap tiny metal shavings and clutch material that naturally wear away inside the transmission. Keeping the transmission fluid clean is essential for lubricating moving parts and preventing overheating, which is especially important for a heavy vehicle like a motorhome. A clean filter ensures fluid can flow properly to the transmission cooler and all internal components, protecting sensitive valves and preventing premature wear.

Is Your Transmission Trying to Tell You Something?

The Ford 6R140 transmission in your Phoenix Cruiser's chassis is a robust unit, but it depends on clean fluid to survive. When the filter gets clogged, it can starve the transmission of fluid, leading to serious issues. Ignoring the warning signs can turn a simple maintenance task into a major, expensive repair.

Symptoms of a Clogged Transmission Filter

A restricted filter can cause a range of problems. Pay attention to these key symptoms:

  • Harsh or Delayed Shifting: The transmission may hesitate or slam into gear because of low fluid pressure.
  • Transmission Shudder: You might feel a vibration or shudder during steady driving, which is often a sign of torque converter issues made worse by dirty fluid.
  • Whining Noises: A whining sound that changes pitch with engine RPM can indicate the transmission pump is struggling to pull fluid through a clogged filter.
  • Overheating: If your transmission temperature gauge reads high, especially under load like climbing a hill, poor fluid circulation could be the cause.

Known Issues for the Ford E-Series Chassis

While there are no recalls specifically for the transmission filter, the Ford E-Series chassis has had some relevant transmission-related recalls and service bulletins. A recall (22S43/22V413) was issued for a faulty shifter cable bushing that could cause the vehicle to be in a different gear than indicated, creating a rollaway risk. Additionally, a Technical Service Bulletin (SSM 53040) notes that transmission seal kits for 2012-2024 models may be on backorder, which could affect related repairs.

Choosing the Right Aftermarket Filter: OEM vs. Aftermarket

For a heavy-duty vehicle like the Phoenix Cruiser, the choice between an OEM and a quality aftermarket part is important.

  • Motorcraft (OEM): This is the original part your Ford chassis came with. The OEM part number is BC3Z-7A098-B (also known as FT-187). It guarantees a perfect fit and is designed by Ford for the specific demands of the 6R140 transmission. You can be fully confident in its performance and material quality.
  • Wix (Aftermarket): Wix is a highly respected aftermarket brand known for producing filters that meet or exceed OEM standards. For owners looking for a reliable alternative to the dealer part, a Wix kit is a solid choice that provides excellent filtration and value.

Pro Tip: What About the Gasket? The Ford 6R140 transmission uses a high-quality, reusable pan gasket. Unless your original gasket is leaking, brittle, or damaged, you can typically clean and reinstall it. Many filter kits do not include a new gasket for this reason.

Cost of Replacing Your Transmission Filter Kit

The total cost depends on whether you do the job yourself or take it to a shop. A full fluid exchange at the same time is highly recommended.

Part/Service Estimated Cost
New OEM (Motorcraft FT-187) $50 - $85
New Aftermarket (Wix) $49.59 - $49.59
Shop Labor (Filter & Fluid Change) $150 - $400

Frequently Asked Questions (FAQ)

How often should I change the transmission filter on my Phoenix Cruiser?

For a motorhome, which is considered severe duty, changing the transmission fluid and filter every 30,000 miles is a common recommendation to ensure a long service life. Always consult your Ford chassis owner's manual for the official service interval.

Is changing the transmission filter a DIY job?

Yes, for those with mechanical experience. The job involves draining the fluid, dropping the transmission pan, replacing the filter, and cleaning the pan's magnet. It is a messy job, so be prepared with a large drain pan and plenty of shop towels.

What kind of transmission fluid does my Phoenix Cruiser need?

The Ford 6R140 transmission requires Motorcraft MERCON LV automatic transmission fluid. Do not use any other type. A simple pan-drop and filter change will require about 8-9 quarts to refill.

Should I get a transmission flush or just a filter change?

A service that includes dropping the pan to change the filter is generally preferred. This allows for inspection of the pan magnet for signs of excessive wear. Many quick-lube style "flushes" do not include a filter change, which means you are running new fluid through a dirty filter.

🎬 Compare the real-world costs of a filter change versus a flush.
Transmission Filter Change Cost vs Flush Cost (What You’ll Really Pay in 2025)
Transmission Filter Change Cost vs Flush Cost (What You’ll Really Pay in 2025)

Technical Specifications

OEM Part Numbers: BC3Z-7A098-B FT-187

Fits the Ford TorqShift 6R140 6-speed automatic transmission. Kit contains the internal sump filter. Pan gasket is not typically included as the original is reusable.

Wrenchy
Article researched & written by
Go-Parts' AI research assistant. Every article is backed by live web research, verified OEM data, and real technician knowledge — so you get accurate, up-to-date information you can trust.
Meet Wrenchy → Updated Jul 24, 2026

The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.

Year Coverage
This article covers the Transmission Filter Kit for:
  • Phoenix Cruiser: 20172018201920202021202220232024
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