Automatic Transmission Assembly for 2014-2018 Lincoln MKX, MKZ - Front
Product Notes Read before buying
This is a 6-speed automatic transmission for Front-Wheel Drive (FWD) models equipped with the 3.7L V6 engine. It features a 3.39 gear ratio. Please verify that your vehicle matches these specifications exactly before ordering.
Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.
Vehicle Fitment Guide
This part fits the following vehicles:
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Black Label | SUV | 2016 - 2018 | V6 3.7L | FWD | Automatic |
| Premiere | SUV | 2016 - 2018 | V6 3.7L | FWD | Automatic |
| Reserve | SUV | 2016 - 2018 | V6 3.7L | FWD | Automatic |
| Select | SUV | 2016 - 2018 | V6 3.7L | FWD | Automatic |
| 2017 |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Sedan | 2014 - 2016 | V6 3.7L | FWD | Automatic |
| Reserve | Sedan | 2014 - 2016 | V6 3.7L | FWD | Automatic |
| Black Label | Sedan | 2015 - 2016 | V6 3.7L | FWD | Automatic |
Know This Transmission Before You Buy
The research behind our purchase interview — recalls, bulletins and real install economics for this transmission family:
A quick look at your own vehicle makes sure the right transmission shows up:
- Verify drivetrain is FWD (no rear driveshaft or PTU on passenger side).
- Check driver's door jamb sticker for Transmission Code 'TR' matching 'J' (for 6F50).
- Confirm engine is the naturally aspirated 3.7L V6.
What the install really takes — plan and budget with confidence:
Special tools this job needs:
- Engine support bar
- Transmission jack
- Subframe alignment pins
- Bidirectional scan tool (Ford IDS/FDRS or FORScan with OBDLink)
Budget for these consumables at install:
- Motorcraft Mercon LV automatic transmission fluid (approx. 9 to 11 quarts)
- Torque converter hub seal (front pump seal)
- Left and right CV axle shaft seals
- Professional-grade transmission cooler flush solvent (or cooler replacement)
What your vehicle’s computers will need after the swap:
What’s involved: Solenoid Body Strategy Programming & Adaptive Relearn
sources differ: Arm 1 identifies the unit as a 6F50, while Arm 2 identifies it as a 6F55. Both agree that programming the 13-digit Solenoid Body Strategy and 7-digit Solenoid Body ID into the PCM is mandatory using Ford IDS/FDRS or a compatible J2534 tool to prevent immediate transmission damage.
Pro tips for a smooth first start-up — hand them to whoever does the install:
- Torque Converter Seating: Must click backward three distinct times and be recessed by at least 1 inch. Failure to seat fully will crush the front oil pump gear upon bolting.
- The 'No Serviceable Filter' Trap: The internal filter is non-serviceable and cannot be replaced by dropping a pan; it requires splitting the case halves.
- Photograph the Strategy Tag First: Take a photo of the tag on top of the case before installation, as it is buried under the battery tray and air box once installed.
- Fluid Level Checking Procedure: Must be checked on level ground, engine idling in Park, with fluid fully warmed up to 175°F-190°F.
Easy to get right once you know them:
- Reusing a contaminated cooler without flushing or replacing, leading to immediate solenoid failure.
- Forgetting to program the Solenoid Strategy before driving, causing violent shifts and immediate clutch damage.
- Crushing the front pump during bellhousing alignment by forcing the transmission tight when the converter is not fully seated.
- Ordering a FWD transmission for an AWD vehicle, assuming the PTU can be bolted on (FWD case lacks mounting bosses).
Not issues with the units on this page — the manufacturer documented these for every transmission of this family, wherever you buy one. Handy for your installer:
🔎 Recommended at install: Perform complete cooler line flush and update vehicle computer to the latest software calibration.
🔎 Recommended at install: Design flaw in direct clutch cylinder/tone wheel causes snap ring to pop out. Inspect speed sensors during installation.
🔎 Recommended at install: PCM recalibration and/or modification to the valve body separator plate and check balls.
🔎 Recommended at install: Proactively inspect or replace sensors located under the front main control cover while transmission is out.
🔎 Recommended at install: Address high resistance in the digital transmission range (TR) sensor.
🔎 Recommended at install: Replace transmission case due to broken orifice restrictor cup plug in forward clutch circuit.
Researched from factory recalls, TSBs and OEM service data (reference unit 400-05053-3731274). Unit-specific details — mileage, condition, warranty, freight — are covered in the checkout interview.
Policies, in plain English.
Shipping & Handling
- Ships by LTL freight on a pallet — a real freight truck, not a parcel van
- Your checkout freight quote covers delivery to your door (liftgate service included for residential addresses)
- The carrier calls ahead to schedule a delivery window — someone must be present to receive it
- Typically palletized and picked up within 2–3 business days; transit time depends on distance
120-Day Warranty
This part includes a 120-day warranty.
- If the part fails within the warranty window, we'll replace it or refund per the coverage terms
- Coverage is parts-only — installation labor is not included
- Warranty covers defects — not installation errors, misuse, or damage after installation
Your pre-purchase interview reviews these exact terms with you before anything is charged.
Returns (30 Days)
We accept returns of uninstalled parts within 30 days of delivery for this part.
- Defective parts: We will replace the part or issue a refund at our discretion
- Programming: "Needs to be programmed to my vehicle" is not a valid return reason. Many modules require dealer programming — we're happy to help connect you with resources if your dealer says it's not programmable
- Return shipping: This part ships by freight (LTL) — the part price is refundable per the terms above, but shipping costs are non-refundable and return freight follows the seller's return terms. Your pre-purchase interview walks through the exact numbers before you buy
- Parts must be returned in original packaging and unmodified condition
- Poorly packaged returns that arrive damaged will not be credited
Damaged in Shipping?
Freight damage is rare — and you're fully protected when you do two things at delivery:
- Inspect before you sign — you're allowed time to look the pallet over while the driver waits
- Write any damage on the delivery receipt before signing — that one line is what makes a freight claim succeed
- Severe damage? Refuse the delivery — it goes back at no cost to you and we make it right
- Photograph the pallet before unwrapping; report concealed damage within 24 hours of delivery
We handle the carrier claim — you just help document it. Your pre-purchase interview walks through this checklist too.
Order Cancellation
Cancel before shipment for a full refund. Once the pallet has been built, a preparation charge may apply — and once the freight carrier picks it up, shipping costs are non-refundable and standard return terms apply. Your pre-purchase interview shows the exact numbers before you pay.
Expert Guides
2014-2018 Lincoln MKX & MKZ 3.7L Transmission: Problems, Identification, and Used Replacement
Identify the 6F50 FWD transaxle, understand what causes catastrophic clutch and sensor failures, and learn when to replace it with a used OEM unit.
Read Full Guide →Related Trouble Codes (OBD-II)
3 matching guidesIf your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.
Miscellaneous Information
OEM Part Numbers:
Ford: DA8Z-7000-PRM
Lincoln: DA8P7000PC, DA8P7000PD, DA8PPC, DA8PPD, DA8Z7000PD, DA8Z7000R
Fits Years: 2014 2015 2016 2017 2018
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This unit ships with the selling yard's 120-day warranty. Longer plans can be requested during checkout.
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