JEGS
4R70W Performance Transmission for 1998-2004 Ford 4WD Truck
555-603032
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Items You Need
MSD Ignition 2772 - Transmission Controller Harness 1998-Up Ford AODE/4R70W
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JEGS 28070 - Quick Shift Automatic Transmission Fluid [1-quart]
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JEGS 28071 - Quick Shift Automatic Transmission Fluid [1-gallon]
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JEGS 60129 - Flywheel and Flexplate Turning Tool
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Ford 4R70W/4R75W
Transmission Fluid Fill Capacities
JEGS 555-603032 Ford 4R70W Performance Transmission IMPORTANT Notes:
- This JEGS Performance Transmission has gone through rigorous testing to provide you with the best possible replacement transmission
- Here are a few tips to ensure a successful installation
- Follow the manufacturer's instructions thoroughly
- Before installation, flush any old fluid from your system, including transmission lines, oil cooler, and torque converter to remove any contaminants that could harm your new transmission
- When installing your torque converter, follow the instructions carefully to ensure proper fitment into the transmission input shaft and also attaching to your engine. Specific tolerances are required so that you do not damage the front pump in the transmission or the converter.
- If you have any problem installing this transmission, before returning it—please call the JEGS technical support line. Our experts may be able to assist you with the proper installation.
FAQ
What's the difference between a 4R70W and an 4R75W transmission?
- Varied gear ratios and shift points.
- 4R75W features enhanced components.
What Ford trucks have a 4R70W transmission?
- Found in Ford F-150, Expedition, and Mustang.
- Verify compatibility based on model years.
Is the Ford 4R70W a good transmission?
- Yes, known for durability and smooth shifts.
- Popular for street and strip applications.
Is the 4R70W a 4x4 transmission?
- Available in 2WD and 4WD configurations.
- Ensure the right variant for your vehicle.
Specifications:
Part Type
Product Line
Bellhousing Bolt Pattern
Ford Modular
Case Material
Aluminum
Dipstick Included
No
Engine Type
V8
First Gear Ratio (Automatic Transmissions)
2.84
Fluid Fill Location
Case
Horsepower
400
Input Spline Quantity
31 in (787.4 mm)
Lockup
Yes
Package Depth
19.00
Package Height
34.00
Package Width
22.00
Pan Type
Stock
Part Category
Performance Parts
Part Fitment
Direct Fit
Quantity
Sold individually
Safety Rating
Not SFI Approved
Shift Pattern
Forward
Shipping Weight
151.00
Tailshaft Length
0 in (0 mm)
Trans Model
4R70W
Trans-Brake Included
No
Transmission Drive Type
4WD
Transmission Mfr.
Ford
Transmission Mfr. Code
4R70W
Valve Body Style
Automatic/Manual
Yoke Style
Bolt-on
603032 is rated
out of
5 by
8.
Rated 5 out of
5
by
Anonymous from
So far so good
Only have about 500 miles on it, self install in 02 F-150 4x4. As advertised, no issues so far. Shifts slightly firmer than stock. Overall happy so far.
Date published: 2020-10-27
Rated 5 out of
5
by
Profordguy from
Excellent purchase
Installed it about a month ago and I’ve put 1,000 miles on it already. I’m extremely happy with the performance I’m getting. My truck is my daily driver and I wasn’t sure how I’d like the shift kit for daily use. It runs great and would recommend this to anyone that is looking to replace there transmission.
Date published: 2019-02-15
Rated 4 out of
5
by
ColinSD from
Overall good but a few minor gripes
Pros, good price. Took the pump apart and it was in excellent shape with a new bushing and good housing and pump gears.
Minor gripes: The pan had significant rust pock marks on the inside as if it sat collecting rainwater inside it for 5 years. It has a very slow seeping leak and needs to be replaced. It drops a few drops overnight.
Also the pan was missing the ring magnet.
Anyone who buys one of these should pull the pan and look for the magnet.
Date published: 2023-05-08
Rated 4 out of
5
by
03BoostedF150 from
Nice Upgrade
I have a 2003 5.4l supercharged. Swapped the transmission and torque converter. What a difference. So far everything runs great. I did have to replace the output shaft speed sensor. The one that came with it, did not work.
Date published: 2020-08-15
Rated 4 out of
5
by
Rob54 from
Very nice replacement transmission!
I purchased this transmission to replace a very high mileage transmission in my vehicle. The picture shows that it comes with a new shift position switch assembly as well as the transfer case extension housing. It came with neither piece on it or a chrome pan! Other than that it was a very nice, it has firm positive shifts and has so far done very good. I would give it 5 stars had it been what the picture portrays that you get.
Date published: 2019-01-03
Rated 1 out of
5
by
Donald from
Slips
Only put about 1000 miles on 4x4 4r70w Ford transmission and now it's slipping.
Date published: 2023-12-13
Rated 1 out of
5
by
LGantt from
Very poor quality
I bought this transmission less than a month ago. Got the truck back from the shop less than a week ago. Just daily driver around town. All gears above the first two are now stripped out and the first two are slipping. Still no answer with customer service....
Date published: 2023-07-14
What fluid is recommended for this transmission and how many total quarts including new torque converter before I order. Thank you.
The Jegs 555-603032 transmission uses the factory recommended fluid and capacity.
Date published: 2024-03-27
How much hoursepower are these rated for ? or are they intended for stock use ?
The Jegs 555-603032 transmission is designed as a stock replacement.
Date published: 2024-01-24
Will this fit a 1997 ford f250 with a 4r70w?
The Jegs 555-603032 transmission fits '98-04 model years only.
Date published: 2024-01-12
Do you need to send a core
The Jegs 555-603032 transmission does not require a core.
Date published: 2024-03-10
I have a 1997 f150 4wd 4.6L vin 6 with a 4R70W. Will this transmission work in my truck?
The Jegs 555-603032 transmission does not fit a '97 model F150.
Date published: 2023-12-07
Will this fit Ford 1999 F250 - VIN #1FTNX21L1XED28658?
The Jegs 555-603032 transmission fits '98-'04 Ford F-series 4wd pick up trucks.
Date published: 2023-11-29
Does it come with a warranty?
The Jegs 555-603032 transmission is warranted for 12 months from date of purchase.
Date published: 2023-07-27
Will fits 2002 Ford f150 4x4 5.4l lariat v8
The Jegs 555-603032 transmission will fit a 2002 Ford F150 4x4 5.4l Lariat v8 provided the original trans was not a 4R70E model.
Date published: 2024-02-26
ATK Core Return ProcessJEGS and ATK appreciate your business and want to ensure that your core return is as smooth as possible. Please CLICK HERE for ATK Core Return ... Pkg-Bj, Pke-Cg. 4R70W.
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Some parts are not legal for use in California or other states with similar laws / regulations
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
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Electrical Cords
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