MOCW 6.0L STC HPOP kit front view with updated leak-resistant fitting
MOCW packaging box for the 6.0L STC HPOP upgrade, convenient packaging
Close-up of the new snap-to-connect fitting for leak resistance
Components laid out: brackets, seals, bolts for straightforward installation
Under-hood view showing fitment during engine service and upgrade
Close-up of bolts and seals included in the kit
Manual and labels from MOCW with installation guidance
MOCW 6.0L STC HPOP kit front view with updated leak-resistant fitting
MOCW packaging box for the 6.0L STC HPOP upgrade, convenient packaging
Close-up of the new snap-to-connect fitting for leak resistance
Components laid out: brackets, seals, bolts for straightforward installation
Under-hood view showing fitment during engine service and upgrade
Close-up of bolts and seals included in the kit
Manual and labels from MOCW with installation guidance

MOCW 6.0 Powerstroke STC HPOP Fitting Upgrade Kit – Ford 6.0L Diesel (OE 4C3Z-9B246-F)

Upgrade Your Ford 6.0L Powerstroke with the MOCW STC HPOP Fitting Kit The 6.0L Powerstroke uses a...
Vendor: MOCW
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MOCW 6.0L STC HPOP kit front view with updated leak-resistant fitting

MOCW 6.0 Powerstroke STC HPOP Fitting Upgrade Kit – Ford 6.0L Diesel (OE 4C3Z-9B246-F)

£45.19
MOCW 6.0L STC HPOP kit front view with updated leak-resistant fitting
MOCW packaging box for the 6.0L STC HPOP upgrade, convenient packaging
Close-up of the new snap-to-connect fitting for leak resistance
Components laid out: brackets, seals, bolts for straightforward installation
Under-hood view showing fitment during engine service and upgrade
Close-up of bolts and seals included in the kit
Manual and labels from MOCW with installation guidance

MOCW 6.0 Powerstroke STC HPOP Fitting Upgrade Kit – Ford 6.0L Diesel (OE 4C3Z-9B246-F)

£45.19
Description
Description
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Upgrade Your Ford 6.0L Powerstroke with the MOCW STC HPOP Fitting Kit

The 6.0L Powerstroke uses a snap-to-connect (STC) fitting that can develop leaks and hot-start challenges over time. The MOCW STC HPOP Fitting Upgrade Kit is designed to replace the vulnerable connection with a modern, snap-to-connect design. This kit targets engines that originally used OE parts in the 4C3Z-9B246-F family and is compatible with a range of Ford E-Series vans and Super Duty pickups from 2005 through 2010.

Rather than relying on a single seal or aging hardware, this upgrade refreshes the high-pressure oil path with a complete set of components crafted for a tighter, more durable connection. While results may vary with vehicle condition, users may notice easier starts when the engine is hot and a more straightforward maintenance path for the HPOP area.

Key benefits at a glance

  • Updated STC fitting designed to reduce leaks and improve connection reliability under high pressure.
  • Full kit contents for a complete refresh: bracket, seal kit, adapters, and mounting bolts.
  • OEM reference compatibility with part numbers: 4C3Z-9B246-F, 4C3Z9B246F, 9B246, 6.0 PSD 3C3Z-9H529-A, 3C3Z9H529A.
  • Vehicle coverage includes 2005–2010 Ford E-350/E-450 and 2005–2007 Ford F-250/F-350/F-450/F-550 Super Duty 6.0L Powerstroke diesels.

Fitment notes and installation considerations

  • For E-Series vans, this kit fits with the new style HPOP only, ensuring compatibility with the updated engines.
  • Verify OEM part numbers before purchase to confirm a match for your vehicle and production date.

What’s included

  • 1 Support Bracket
  • 1 Hydraulic Pump Seal Kit
  • 1 Branch Tube Adapter – Male
  • 1 HPOP Adapter Fitting – Female
  • 2 M6 x 35 mm Branch Tube Bolts
  • 2 M8 x 60 mm Pump Bolts
  • 1 M8 x 45 mm Pump Bolt

Notes on compatibility

Cross Reference Part Numbers include 4C3Z-9B246-F, 4C3Z9B246F, 9B246 - 6.0 PSD, 3C3Z-9H529-A, 3C3Z9H529A. This kit is intended to refresh the HPOP fitting area and support the 6.0L Powerstroke diesel engine lineup.

FAQ

Q: What does the MOCW 6.0 STC HPOP Fitting Upgrade Kit include?

A: Includes: one support bracket, hydraulic pump seal kit, branch tube adapter (male), HPOP adapter (female), and mounting bolts.

Q: Which vehicles are compatible with this HPOP upgrade kit?

A: Fits 2005–2010 Ford E-350/E-450 and 2005–2007 Ford F-250/F-350/F-450/F-550 Super Duty 6.0L Powerstroke diesels.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

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