8-Speed Automatic Transmission Assembly for 2014-2017 Jeep Grand Cherokee
Product Notes Read before buying
This is an 8-speed 8HP70 automatic transmission for 2014-2017 Jeep Grand Cherokee models equipped with the 3.0L V6 Diesel engine and four-wheel drive (4x4). It will not fit gasoline engine models or two-wheel drive vehicles.
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 |
|---|---|---|---|---|
| 2014 - 2017 |
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:
- Confirm the 8th digit of the VIN is 'M' (3.0L V6 EcoDiesel).
- Confirm the vehicle is a 4x4 (4WD) model.
- Locate the metal ID plate/barcode sticker on the driver's side of the transmission case and verify the model is 8HP70.
What the install really takes — plan and budget with confidence:
Special tools this job needs:
- Heavy-duty transmission jack
- Torx and E-Torx sockets
- Chrysler/Jeep-compatible bidirectional scan tool (wiTECH, AlfaOBD, or equivalent)
- Torque converter alignment/holding tool
- Fluid pump for refilling
Budget for these consumables at install:
- ZF Lifeguard 8 fluid or approved equivalent (Mopar 8-Speed ATF, Shell L12108)
- Replacement plastic oil pan assembly (with integrated filter, gasket, and new bolts)
- Torque converter input seal (front pump seal)
- Driveshaft/transfer case output seals
- One-time use transmission bracket-to-case bolts (Mopar 06511385AA)
- Transmission cooler line flush solvent
What your vehicle’s computers will need after the swap:
What’s involved: VIN-specific programming, security re-marriage, and TCM adaptive relearn (Quicklearn)
The internal TCM is VIN-locked to the vehicle's security system. A used transmission will not allow the vehicle to start or shift out of Park unless it is programmed/re-married to the new VIN using a factory-level scan tool (wiTECH) or advanced bidirectional tool. A TCM adaptive relearn (Quicklearn) must also be performed.
Pro tips for a smooth first start-up — hand them to whoever does the install:
- Torque Converter Seating: Must feel three distinct drops to ensure it is fully seated. Bolting the transmission to the engine with an unseated converter will instantly crack the oil pump.
- Fluid Fill & Level Check: Must be checked via the side fill plug with the engine running, transmission in Park, and fluid temperature strictly between 30°C and 50°C (86°F to 122°F).
- Plastic Pan Torque: Must be torqued in a specific crisscross sequence to exactly 10 Nm (88 in-lbs) to prevent warping and leaks.
- Cooler Line Flush: Mandatory to clear metal shavings and debris from the previous failure to prevent immediate contamination of the new unit.
Easy to get right once you know them:
- Using the wrong fluid (such as standard ATF+4 or generic multi-vehicle ATF) instead of ZF Lifeguard 8.
- Skipping the TCM adaptation relearn, leading to immediate harsh shifting and clutch damage.
- Failing to replace or bypass a stuck-closed thermal bypass valve, causing the replacement unit to overheat.
- Ordering a gas V6/V8 or 2WD variant instead of the specific 3.0L Diesel 4x4 unit.
- Failing to verify the torque converter is fully seated before tightening bellhousing bolts.
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: Dealers must perform a software flash on the PCM, TCM, RFH, and Instrument Cluster to enable the 'Auto Park' safety feature.
🔎 Recommended at install: Reprogram the TCM with the latest software and perform the Adaptation Drive Learn procedure.
🔎 Recommended at install: Replace the thermal bypass valve or install an aftermarket thermal bypass valve (thermostat delete) to prevent overheating.
🔎 Recommended at install: Replace the torque converter; avoid heavy towing without proper fluid maintenance.
🔎 Recommended at install: Replace the valve body (Mechatronic unit) or solenoids.
Researched from factory recalls, TSBs and OEM service data (reference unit 400-04958-2835381). 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
2014-2017 Grand Cherokee 3.0L EcoDiesel ZF 8HP70: Problems, Identification, and Used Replacement
Identify the correct 4x4 diesel transmission, understand common thermal bypass and shifting failures, and learn what to look for when buying a used OEM replacement unit.
Read Full Guide →Related Trouble Codes (OBD-II)
19 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:
Mopar: 68224727AC, 68224727AD, 68224875AF, 68224875AG, 68224875AH, 68271029AA, RL224875AH, RL271029AA
Fits Years: 2014 2015 2016 2017
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Backed By The Selling Yard
This unit ships with the selling yard's 120-day warranty. Longer plans can be requested during checkout.
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