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Over 11,000 Parts In Stock!

From floor mats to filters to complete engines, we carry the widest range of parts and accessories for your Land Rover you will find anywhere!

...And the important word here is stock. We simply don't list part #'s that we can buy - we stock them. We operate over 50,000 square feet of warehouse space at two warehouse locations on both the East and West coast.

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Since 1970, we've helped more Land Rover owners enhance, modify or repair their vehicle than any other independent parts specialist. Quality products, superior service and a wealth of happy customers are the keys to our success. Getting you what you need, efficiently and effectively - it's what we do.

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Transmission Filter Service Kit: Conversion Upgrade With Replacement Filter, Pan, ZF Lifeguard Fluid And Easier Installation Process, For Land Rover LR3, LR4, Range Rover Full Size And Range Rover Sport

4.9 out of 5 stars View all reviews (16 customer reviews) | Review this item

Our Price: $299.95

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In Stock: white checkmark in green circle

Item: ATFCKWFL (Same Fit As Part # TSKWFL )

Buy On

  • LR3 / Discovery 3 V8 4.4L | '05 - '09
  • LR3 / Discovery 3 V6 4.0L | '05 - '09
  • LR4 / Discovery 4 V8 5.0 Liter | '10 - '13
  • Range Rover Full Size 4.4 (Jag Engine) | '06 - '09
  • Range Rover Full Size 4.2 Supercharged (Jag Engine) | '06 - '09
  • Range Rover Full Size | '10 - '12
  • Range Rover Full Size Supercharged | '10 - '12
  • Range Rover Sport | '06 - '09
  • Range Rover Sport Supercharged | '06 - '09
  • Range Rover Sport | '10 - '13
  • Range Rover Sport Supercharged | '10 - '13

wrench iconMaintenance Made Easy...

We've made maintaining your Rover simple with our convenient, one-click Maintenance Service Kits.

A great upgraded solution that actually makes your ZF Rover transmission fluid change much easier to complete than using typical OE Land Rover process!

This kit includes the Original Equipment Land Rover filter.

Worn transmission fluid leads to judder, noise and a deterioration in gear change quality. ZF recommends oil and filter changes after 50,000 to 75,000 miles on all 5, 6 & 8 speed automatic gearboxes, to ensure optimum performance.

These are improved and easy change filter conversion kits for all vehicles using the ZF 6HP26 automatic transmission - LR3, LR4, Range Rover Sport and Range Rover Full Size L322 models. The standard fluid and filter change process from Land Rover is a very lengthy process. The sump and filter are normally one piece and fitting involves jacking the engine up and unbolting the mounts, plus the removal of the exhaust. The fitting of this kit is far easier. Once the fluid has been drained from the transmission, simply remove the bolts from the old unit and cut the old plastic sumps filter tube with a hacksaw. Slide the old sump out and remove the other end of the sawn-off filter tube. The new separate filter can then be fitted and the new sump pan slides into place and is bolted up with the new gasket supplied. 


  • New Land Rover Original Equipment Replacement Transmission Filter
  • Replacement, Upgraded Steel Transmission Fluid Sump Pan
  • (7) Liters ZF Lifeguard Transmission Fluid
  • Replacement Sump Pan Gasket
  • Transmission Sleeve (screw-in)
  • Gasket Fitting Bolts
  • Printed Instructions

Once secure the transmission can be filled as per manufacturer’s instructions. The new sump pan also has the added benefit that it is manufactured in durable steel rather than the plastic of the original OE pan.

Additional kits available with choice of a quality aftermarket filter and all the ZF Lifeguard Transmission Fluid you need for a complete service replacement - see alternative items.

Get all your Rover mileage maintenance service information with our complete Maintenance Service Schedule for your model Rover! Each schedule includes all your vehicle service required by mileage break and also references our Comprehensive Service Kits for that service (each kit includes all the parts required for that mileage break service in one complete, convenient package!)... Your BEST value!

Remember - it's NEVER too late get on a maintenance schedule! With older vehicles, it's especially important - MAINTAINING your Rover will always save you more money over time!

Transmission (Automatic) Filter Conversion Kit for LR3, LR4, Range Rover Sport and Range Rover Full Size

Watch Doug, our Land Rover Master Technician, take you step-by-step in the removal and installation of the Transmission Filter Conversion Kit on a 2005-2009 LR3. Using kit # ATFCK, this is an easy change filter conversion kit for all Rovers using ZF 6HP Automatic Transmission. This includes the LR3, LR4, Range Rover Sport and Range Rover L322 models. Installing the original factory filter change kit is a very lengthy process. The original sump and filter are normally one piece and fitting involves jacking the engine up and unbolting the mounts, plus, the removal of the exhaust. This new kit has a two-part filter and pan design, which makes installation much easier. Doug will also address replacement of the Automatic Transmission Valve Body Sleeve part number TZV500010G which has a tendency to leak. It is recommended that this sleeve be replaced while you have the pan down. This service is recommended to be performed every 50,000 to 70,000 miles to ensure optimum performance.

Kit includes the following components:
# Description Qty. Included Qty. In Stock List
 1  Transmission Filter Service Kit: Conversion Upgrade With Replacement Filter, Pan (Easier Installation Process) For Land Rover LR3, LR4, Range Rover Full Size And Range Rover Sport 1 Yes! $139.95
 2  Transmission Fluid ZF Lifeguard 1 Liter / 1.06 Quarts 7 Yes! $174.65
 3  Sleeve Transmission Screw In 1 Yes! $17.95
Total Value: $332.55
Your Cost: $299.95
You Save: $32.60

(Total of 16 customer reviews) | Review this item

5 out of 5 stars | Date Posted: 01-23-2020

By: Ward Heyel

Everything in the kit as promised. Very straightforward to install, if you watch the video. I have a small leak coming from somewhere, will investigate this weekend.

5 out of 5 stars | Date Posted: 12-16-2019

By: Jack Doyle

My 2006 range rover had 108,000 miles when I purchased it. The shifting was hanging and rough. I did the service while watching the video on Youtube. Super easy. The improvement in the shifts is amazing. Quick and smooth. I am very happy with the result.

5 out of 5 stars | Date Posted: 11-11-2019

By: Jeremy Haas

Perfect fit easy to install would recommend this to anyone that is doing the change over to metal pan awesome product

5 out of 5 stars | Date Posted: 05-27-2019


Is the best option Recommended to everyone, even if range rover says that trans oil is for life Heads up, nothing is for life

5 out of 5 stars | Date Posted: 03-15-2019

By: John Day

Atlantic British is a great alternative parts supplier. The trans kit worked perfectly - it's a great product for this service. I do highly recommend for all folks wanting to replace their trans fluid. Thank you... 2008 Range Rover HSE

5 out of 5 stars | Date Posted: 11-09-2018

By: wayne yarbrough

Very good product so much better than stock extremely fast shipping was a pleasure to install

5 out of 5 stars | Date Posted: 11-07-2018

By: Lloyd Johnson

Thanks to Doug on the video.Apainstaking project!!???????? All worked well,yes I would recommend to others,would suggest watching video very closely.

5 out of 5 stars | Date Posted: 10-09-2018

By: kevin smith

the pan kit shipped ultra fast and arrived well before I expected it. easy procedure to install the new filter/pan thanks to the AB video. The removal of the old single pan/filter was a pain and cutting the filter neck off was difficult to say the least but not the fault of AB.

5 out of 5 stars | Date Posted: 09-06-2018

By: John Renfrow

Installed this kit @ 124,000 and Shifting is great again. Shop used a laser thermometer, great idea. Something to consider. Didn’t need reader

5 out of 5 stars | Date Posted: 08-21-2018

By: John Delaney

The new pan went in much easier then the old one came out! Only suggestion would be to update the video to show the use or need of a tap to clean out bolt holes, which is recommended on the product information sheet. I used a drop cord and rear view mirror to locate and view the plastic shaft, to assist with job to hacksaw it off. Also suggest buying a heat retarding foil/felt sheet to cover up the catalytic converter pipe. Very awkward/dangerous/confined space, while trying to re-seat the fill plug in a hot engine.

5 out of 5 stars | Date Posted: 04-10-2018

By: Ron Pratt

Glad they up dated their pan. Would of been major project going with original transmisdion pan Was able to install in a few hours. No leaks and works great

4 out of 5 stars | Date Posted: 03-28-2018

By: Roger Jeck

On my kit the 2 front corner bolts interfered with the lip of the pan such that I couldn't get my sock all the way on the bolt. Otherwise, The kit performed as advertised. Though my ffrr shifts fine, with 150k on the clock and one trans service @50k I wanted to service it for the long run...

4 out of 5 stars | Date Posted: 03-27-2018

By: Peter Andersen

Reading the other review I wonder if they are talking about a LR3 or something else. I am an accomplished mechanic although I do not turn wrenches for a living. With that in mind, I took far longer than an hour just to remove the heat shield that covers the transmission oil pan. There are 4 8mm wrench size bolts that need to be removed to access the pan bolts. Two are extremely close to the drive shaft and the shift cable. There is no way to get a socket on either of these and the bolt near the driveshaft is too long to fully disengage from transmission without prying the you-know-what out of it. And if you want to put it back in.....good luck. They only allow 700 chrctrs? Lots more to say!

5 out of 5 stars | Date Posted: 09-25-2017

By: Cody Jaeger

Very easy to install, blows the oem kit out of the water.

5 out of 5 stars | Date Posted: 05-10-2017

By: Mark Bowman

Fantastic! It made a long and difficult job very simple. 1 hour of work time only.

5 out of 5 stars | Date Posted: 05-04-2017

By: Geoff Duckworth

Followed procedure in the video, but didn't find a need to jack the transmission by using some improvised tools. Needed a T-25 or T-27 (can't remember) for my 2005. Very straight forward. HUGE improvement in performance. My leaky pan meant I was low on fluid. Rough and slow shifts, transmission slipping or surging. Fluid came out black. After change noticed remarkably better shifting that has gotten even better over the past couple hundred miles. Kit was complete and very easy. Only gotcha with the pan is one bolt is very close to the pan lip, so you need a very thin walled socket to fit. I did what I could with the socket and box wrench I had and am hoping its good enough. Great kit!

View all 16 customer reviews

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