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X AUTOHAUX Automatic Transmission Filter Kit Review: Keeps ZF4HP gearboxes running smoothly?

X AUTOHAUX ZF4HP20 4HP-16 4HP18 Automatic Transmission Filter Kit CVT Oil Cooler Filter Oil Pan Gasket Kit Fit for BUICK EXCELLE 03-10 No.93742042 - Pack of 2
4.7
[Wide Vehicle Compatibility]  Fits ZF4HP transmissions and many Alfa Romeo, Buick, GMC, Citroen models; verify OE numbers before ordering.
[Keeps Transmission Clean]  Filters oil and removes contaminants to prevent valve body clogs and fluid degradation.
[Extend Transmission Life]  Reduces wear and harsh shifting for smoother operation and longer service intervals.
[Durable Aluminum Design]  Aluminum alloy construction offers long-lasting durability and reliable performance.
[Includes Gasket & Filter]  Complete kit with one transmission filter and one gasket for easy replacement.
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Automotive replacement parts that aim to keep automatic transmissions cleaner and reduce wear during service. Peace of mind for DIY enthusiasts and workshops that frequently maintain ZF4HP-series gearboxes. Is the X AUTOHAUX Automatic Transmission Filter Kit the right choice for your vehicle and routine maintenance?

⚡ At a Glance
  • Filtration Efficiency: Traps sundries and debris from transmission fluid to reduce valve body clogging and contamination.
  • Best for: Owners and workshops servicing ZF4HP20, 4HP-16 and 4HP18 automatic transmissions.
  • Not ideal for: Vehicles fitted with non-ZF4HP transmission families or unspecified gearbox variants.

Fitment covers ZF4HP20, 4HP-16 and 4HP18 transmissions across several makes, referencing OE numbers 93742042 and 1019222018. Kit includes one transmission filter and one pan gasket, made from aluminium alloy and designed for straightforward installation.


Smoother gear changes - with a dedicated transmission oil filter

Filter media captures metal particles and other sundries suspended in transmission fluid before they reach the valve body. Clean fluid flow reduces the chance of passages becoming obstructed during operation.

Cleaner fluid helps shifts feel more consistent and reduces incidents of hard or erratic shifting, particularly in gearboxes prone to clogging.

Extended transmission life - thanks to contaminant removal and sealed fit

Aluminium alloy construction resists warping under heat while the pan gasket restores a reliable seal, limiting leaks and ingress of debris. Regular replacement prevents abrasive wear on internal components.

Reduced internal wear means fewer premature repairs and a longer service interval for the transmission when changes are carried out as recommended.

Straightforward servicing - with an easy-install filter and included gasket

Kit supplies the filter element and a matching pan gasket to restore a proper seal after removal of the old parts. Design aims to match the original equipment form factor for direct fitment.

Routine filter changes become a simple workshop or DIY job, cutting labour time and helping maintain correct fluid condition between major services.

✨ The 4 Key Reasons for X AUTOHAUX Automatic Transmission Filter Kit
  1. Complete replacement kit - Filter and pan gasket supplied for a single scheduled service
  2. Aluminium alloy construction - Durable material reduces corrosion and distortion risks
  3. Straightforward fitment - Designed for direct replacement on compatible ZF4HP transmissions
  4. Maintenance-focused design - Helps reduce contamination-related shifting issues when changed regularly
📋 Technical Details at a Glance
  • Product Type: Automatic transmission filter kit
  • Compatible Transmissions: ZF4HP20, 4HP-16, 4HP18
  • Compatible Vehicles: ALFA ROMEO 166 (00-06) V6 3.0L; BUICK EXCELLE (03-10) L4 1.8L; GMC EPICA (05-09) L4 2.0L; GMC OPTRA (03-11) L4 1.8L; GMC ORLANDO (10-11) L4 1.8L/2.0L Diesel; CITROEN C5 (00-05) L4 2.0L/2.2L, V6 2.9L; CITROEN C8 (02-05) V6 2.9L; CITROEN JUMPER (00-06) L4 2.8L
  • OE Number: 93742042, 1019222018
  • Material: Aluminium alloy (filter housing)
❓ Frequently Asked Questions

Q: Which transmissions and vehicles does the kit fit?

A: Compatibility is listed for ZF4HP20, 4HP-16 and 4HP18 transmissions, with specific vehicle matches including Alfa Romeo 166, Buick Excelle, GMC Epica/Optra/Orlando, and several Citroën models as stated in the description.

Q: What exactly comes in the package?

A: Package contents are one automatic transmission filter and one pan gasket, provided to restore filtration and a proper seal during a single service.

Q: Is installation suitable for DIYers?

A: Installation is described as easy to install, with the gasket supplied to maintain a good seal; however, check gearbox access and service procedures before attempting a DIY replacement.

🏆 Our Verdict

Suitable for vehicle owners and workshops that need a direct replacement filter for ZF4HP-series transmissions. The kit’s selling point is straightforward filtration restoration delivered with an aluminium alloy filter and matching gasket to help prevent valve body contamination. Regular use as part of scheduled maintenance should help protect the gearbox and extend service life, making it a practical maintenance choice.