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8F35 Planetary

$422.99
In stock • ships from the USA • qualifies for FREE shipping

8F35 Planetary, remanufactured and ready to install. Fits the 8F35. Ships fast from the USA.

Fits these transmissions
Secure Stripe checkout • free shipping over $100 • 30-day returns
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Ships from the USA
30-day returns

About this product

This is a remanufactured output planetary gear set for the Ford 8F35 eight-speed front-drive transaxle, the unit behind the 2.0L and smaller engines in the 2019-up Ford Edge, 2020-up Escape and 2022-up Maverick. It is listed for the 8F35 and the closely related 8F40. If your transmission is whining at speed, slipping, or you found metal on the pan magnet during a fluid service, the output gearset is one of the first hard parts to inspect, and this assembly is a direct replacement for a worn one.

What the output planetary gear set does

A planetary set is a sun gear in the middle, pinion gears in a carrier around it, and a ring gear around the outside. Holding or driving different members of the set changes the ratio. In the 8F35 the output set is the last gearset before the transfer gears and differential, so it carries torque in every forward gear and in reverse. The pinions spin on needle bearings, and that is where these units wear. Transmission Digest has documented 8F35 pinion bearings from one production run that were not hard enough and broke down early, and Ford wrote a bulletin around the same failure.

Symptoms

How to confirm before you buy

A road test with a scan tool tells you a lot: a noise that changes with speed in every gear points at the gear train, while a flare in one shift only points at a clutch or solenoid. Our slipping diagnosis guide walks through separating the two. Also read the 8F35 bulletin guide before you commit, because Ford has software and separator plate fixes for some shudder and no-reverse complaints that need no hard parts. With the unit torn down, roll every pinion by hand and check for side play, flat spots or heat discoloration on the pins.

Fitment

This listing is for the 8F35 and 8F40 family, with applications given as the 2019-up Edge, 2020-up Escape and 2022-up Maverick. Other 8F35 vehicles such as the Bronco Sport, Transit Connect, Nautilus and Corsair use the same basic transaxle, but this assembly is not sold under a Ford part number, so lay your removed output planetary next to the photo and compare the pinion count, ring gear teeth and spline before installing. Hybrids use a different transaxle and do not take this part. If you want the Ford-numbered carrier from the bulletin, see the JM5Z-7N473-C output carrier. For anything else, send us your year and VIN, or browse the 8F35 parts page.

Install notes

Because a failed output gearset spreads metal through the whole transmission, treat this as part of an overhaul. Replace the frictions and filter with an 8F35 master rebuild kit, clean the valve body, and flush or replace the converter depending on what you find at the pump bushing. Check pinion end play and every thrust washer and bearing in the gear train as you stack it. During reassembly keep the pump drive chain on its gear and install the converter with the case standing vertical, a step that has caused no-pressure comebacks in shops. Refill with Mercon ULV, clear adaptives and drive the vehicle through every gear so the PCM can relearn shift timing.


Specifications

Fits8F35
Part typePlanetary
ConditionRemanufactured
BrandOEM
ShipsFrom the USA
Warranty1-year

Complete the job: parts that go with this

Doing this repair right usually means replacing these at the same time. Same transmission, ships together.

8F35 Input Drum
8F35 Input Drum
$279.98

8F35 Planetary: common questions

Is this the same as Ford part JM5Z-7N473-C?

No. This is a remanufactured output gear set sold for the 8F35 and 8F40 without a Ford part number. If you need the Ford-numbered carrier, we list it separately as the 8F35 output planetary carrier.

How do I know my 8F35 needs a planetary and not just clutches?

Speed-related whine and silver metal on the pan magnet point at the gear train. Slip in a single shift with clean magnets points at a clutch pack, solenoid or software. Pinion play or rough bearings confirm it once the unit is apart.

Does it fit a hybrid Escape or Maverick?

No. The hybrids use a different transaxle. This part is for gasoline models with the 8F35 8-speed.

What should I buy with it?

At minimum a master rebuild kit with frictions, seals and filter, because the bearing debris contaminates the clutch packs. Steels are worth replacing if they show heat marks.

What fluid goes back in?

Mercon ULV. Ford specifies it for the 8F35 in every model year.


Repair guides for this job

Sources
  1. Transmission Digest — Ford 8F35 maintenance tips: Planetary failure and no-pressure conditions (Craig Sarokoff, April 2024). Shop report of 8F35 planetary failures from pinion needle bearings with a hardness problem, and the pump drive chain dropping out of position during reassembly. www.transmissiondigest.com/ford-8f35-maintenance-tips-planetary-failure-no-pressure-conditions/
  2. Ford Motor Company — TSB 22-2281: 8F35 Transmission - Slipping, Harsh Engagement, Various DTCs - Built On Or Before 20-Dec-2021. Names worn needle bearings in the output planet carrier as the cause, lists JM5Z-7N473-C, the qualifying DTCs and the overhaul steps (converter flush, valve body clean, cooler back-flush, PCM reprogram). static.nhtsa.gov/odi/tsbs/2022/MC-10226926-0001.pdf
  3. Transmission Digest / Sonnax — Ford 8F series identification guide (Jim Dial, January 2025). Explains the 8F24, 8F35, 8F40 and 8F57 family and how to tell the variants apart before ordering hard parts. www.transmissiondigest.com/ford-8f-series-identification-guide/

8F35 Planetary

$422.99
In stock • ships from the USA • FREE shipping • 30-day returns

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