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Home Manual Transmissions Point1 Ford Point2 ZF 6 Speed Point3


Performance Built ZF 6 Speed Transmission

Rebuilt for Ford, F250, F350, F450, F550, Super Duty, Chevy Silverado, GMC Sierra, S6-650


ZF 6 Speed Transmission
Divider
ZF 6 Speed 1999-2000 ZF 6 Speed 1999-2000 ZF 6 Speed 1999-2000 ZF 6 Speed 1999-2000
ZF 6 Speed 2002-2007 ZF 6 Speed 2002-2007  ZF 6 Speed 2003-2005 ZF 6 Speed 2003-2005
Zf 6 Speed 2003-2007 ZF 6 Speed 2004-2007 Smart Parts Automotive Smart Parts Automotive
Ordering Info
List Price: $2,643.00
Your Price: $1,875.00
sm div
Core Deposit: $500.00
Delivery Shipping: Call for Quote
Core Return Shipping: Call for Quote
Call Toll Free 1-888-995-7278 or 1-888-995-PART
Buy Now Contact
Buy Now Contact Us

The ZF S6650 heavy Duty 6 speed manual transmission has an aluminum alloy main gear case and tail housing with the bell housing integral to the case.

The ZF S6650 is built in both a 2 wheel drive and 4 wheel drive versions with a diesel design only.

ZF first introduced the S6-650 in 1998 on the Ford Super Duty and compatible stripped chassis’s.

The S6-650 has an internal oil pump to circulate and cool the lubricant which is unique to a manual transmission.

All gears on the S6-650 are synchronized with a dual cone synchronizer in 2nd and 3rd gears with an input torque rating of 520 ft-lb.




  • Specs
  • Our Process
  • Shipping
  • Core Return Info
  • Warranty
F250, F350, F450, F550, Super Duty 4X2 / 1999 and up
Engine Years Tag Number
5.4L / 330 2002 and up ID 1C34-BD
6.8L / 415 2002 and up ID 1C34-BD
6.0L Diesel 2003  
7.3L Diesel 1999-2000 ID F81A-CD, CE, CF, CG
ID 1319-050-004
ID 1319-050-005
ID 1319-050-022
7.3L Diesel 2001 and up ID 1C34-BA, BB, BC, BD
ID 1319-050-024
 
 
F250, F350, F450, F550, Super Duty 4X4 / 1999 and up
Engine Years Tag Number
5.4L / 330 2001 and up  
6.8L / 415 2001 and up  
6.0L Diesel 2003 ID 1C34-CD
7.3L Diesel 1999-2000 ID F81A-DD, DE, DF, DG
ID 1319-050-002
ID 1319-050-025
ID 1319-050-023
7.3L Diesel 2001 and up ID 1C34-CA, CB, CC, CD
ID 1319-050-025
 
 
Chevrolet Silverado 2500 4X2 / 1999 and up
GMC Sierra 2500 4X2 / 1999 and up
Engine Years Tag Number
6.6L, 8.1L 2001 and up ID GBLT
6.6L, 8.1L 2003 ID GBSN
 
 
Chevrolet Silverado 2500 4X4 / 1999 and up
GMC Sierra 2500 4X4 / 1999 and up
Engine Years Tag Number
6.6L, 8.1L 2001-2002 ID GBSP
6.6L, 8.1L 2003 ID DKX
 
 
Chevrolet Silverado 3500 4X2 / 2001 and up
GMC Sierra 3500 4X2 / 2001 and up
Engine Years Tag Number
6.6L, 8.1L 2001 and up ID GBLT
6.6L, 8.1L 2003 ID GBSN
 
 
Chevrolet Silverado 3500 4X4 / 2001 and up
GMC Sierra 3500 4X4 / 2001 and up
Engine Years Tag Number
6.6L, 8.1L 2001 and up ID GBSP
6.6L, 8.1L 2003 ID DKX
 
 
Type: ZF 6 SPD
Auto / Manual: Manual / 6 Speed
New / Used / rebuilt: Complete Rebuild

Logos
Dyno-Tested

Every transmission has been run on a state of the art Dyno. A Dyno simulates the conditions encountered by a transmission during every day use. This ensures that when your part arrives it will have been rigorously tested for noises, leaks, vibrations and performance.

O.E.M.
O.E.M. stands for Original Equipment Manufacturer. Our parts meet or exceed the guidelines set forth by the manufacturer.

Upgrades
Some transmissions have inherent factory flaws causing them to chronically break down. Through years of experience we have developed several procedures to help fix these problems.

Certified
Every remanufactured transmission has been built and inspected by a certified technician. Our technicians have an average experience of 10 years.

New Parts
All wearable parts are replaced, this includes: seals, bearings, synchronizers, O-rings, bushings, bands, gaskets, and gears.

Our Rates
Due to the volume of product that we ship, we receive a considerable discount with some of the top freight companies. We pass these savings down to our customers. Your shipping price can be found next to the price of your product. If there is no price listed please call us for a quote.

Residential Address
Any shipments to a residential address will be assessed a $79.00 Residential Delivery Fee

Where do we ship
We ship to the continental United States.
Please call us for a special quote on the following:
• Hawaii
• Alaska
• Canada

When do we ship
Orders placed before 2:00pm are usually shipped on the same business day.

How long will shipping take
Usually within 1-4 business days after the order is processed, depending on your location. One of our operators will give you a more accurate quote based on your area.

Don't have a business to ship to
A $79.00 delivery fee will be added for any transmission sent to a residential address. This fee also applies to core pickups. To avoid these additional charges we offer our customers the option of picking up their transmission at one of our shipping companies nearest terminals.

Local pickups
All orders that are to be picked up locally by our customers must be scheduled and pre-paid by speaking to one of our sales reps. A $25.00 handling fee will be assessed to all pickup orders.


IMPORTANT NOTE: Core fees are a refundable deposit

What's a core deposit
To keep our prices extremely low, we sell our transmissions at a price based on a rebuild able core being returned to us. This is a temporary deposit that is withheld to ensure that we receive your old transmission back. The amount of money required for this deposit is stated next to the price for each transmission.

How long do I have to return the core
The core needs to be received within 30 days from the date of purchase to receive your full deposit.

How long before I receive my refund
After the core has been returned it will be inspected within 2-3 weeks. The core is checked for excessive damages and missing parts. When the inspection has been completed your deposit will be put back on your card.

How do I prepare my core before shipping
It is recommended you ship your core in the original packaging or something comparable. Your core must be completely assembled, drained of all fluids and free of excessive damages to receive your deposit back.

How do I arrange for my core pickup
You can arrange a pickup date anytime within the 30 day return period. Your core return information will come with your transmission.

What if my core is damaged or I do not have one to exchange

If there is no core to exchange, we can just add the deposit amount to the purchase price. In addition, you will only be required to pay the one way shipping fee.

Can I send you a different core than the one I ordered
Unfortunately we can only accept a core for the same transmission we sent you.

Can a core be sent back first to avoid the deposit

shipping the core first might take a slight bit longer, but by doing it this way you will not be required to pay any deposit.


1 Year Warranty   This transmission comes stock with a 12 month warranty. We have several other warranty packages that are available for upgrade. Feel free to ask your sales associate about your warranty options.
Call 1-888-995-PART or 1-888-995-7278

Smart Parts Automotive provides a twelve month nation wide warranty against any manufactured defects on this part.

• We do not charge restocking or shipping fees when a transmission needs to be warranted. Restocking and shipping fees are only be applied if a customer wants to return a non defective transmission or is outside the continental United States.

Buyers warranty begins at original date of purchase and expires 12 months or 12 thousand miles thereafter.

This warranty does not cover any of the following:

• Use of engine, clutches, manual transmission, transfer case, drive line, and/or differential for purposes for which it was not originally designed (such as off-road, race car, etc.)

• Abuse, neglect, accident, or improper towing

• Improper installation and maintenance, INCLUDING FAILURE TO FILL THE UNIT WITH PROPER FLUID AND MAINTAIN FLUID LEVEL

• Towing charges, vehicle rental

• Loss of time, inconvenience, loss of use of vehicle, commercial loss or consequential damages

• Failure because of defects or inefficiencies or parts or assemblies not furnished with the transmission (flywheel, clutch, drive shaft, etc)

• BROKEN GEARS

• Cracked or broken cases

No claims for labor or consequential damages will be accepted.

We are not liable for misuse or negligence causing damage, defect, injury, or loss.

Unit must be returned for our inspection to determine fault.

Warranty Process
In the rare case of a transmission failure please call our sales department where a representative will assist you in the warranty process. 1-888-995-7278


Logo

ZF 6 Speed 2004-2007
ZF 6 Speed 2004-2007 FORD F-250SD, F-350SD, F-450SD, F-550SD / 6.0L 366 DIESEL 2WD Super Duty


Zf 6 Speed 2003-2007
Zf 6 Speed 2003-2007 FORD F-250SD, F-350SD, F-450SD, F-550SD / 6.0L 366 DIESEL 4WD Super Duty

ZF 6 Speed 2003-2005
ZF 6 Speed 2003-2005 CHEV/GMC 2500, 3500 / 6.6L 403 GAS 4WD 6-Speed ML6 / 8.1L 496 GAS 4WD ML7

 ZF 6 Speed 2003-2005
ZF 6 Speed 2003-2005 CHEV/GMC 2500, 3500 / 6.6L 403 ZF GAS 2WD ML6 / 8.1L 496 ZF GAS 2WD ML6

ZF 6 Speed 2002-2007
ZF 6 Speed 2002-2007 FORD F-250SD, F-350SD, F-450SD, F-550SD / 6.0L 366 GAS 4WD Super Duty

ZF 6 Speed 2002-2007
ZF 6 Speed 2002-2007 FORD F-250SD, F-350SD, F-450SD, F-550SD / 6.0L 366 GAS 2WD Super Duty

ZF 6 Speed 2001-2003
ZF 6 Speed 2001-2003 FORD F-250SD, F-350SD, F-450SD, F-550SD / 7.3L 445 DIESEL 4WD Super Duty

ZF 6 Speed 2001-2003ZF 6 Speed 2001-2003 FORD F-250SD, F-350SD, F-450SD, F-550SD / 7.3L 445 DIESEL 2WD Super Duty

ZF 6 Speed 1999-2000
ZF 6 Speed 1999-2000 FORD F-250SD, F-350SD, F-450SD, F-550SD / 7.3L 445 DIESEL 4WD Super Duty

ZF 6 Speed 1999-2000
ZF 6 Speed 1999-2000 FORD F-250SD, F-350SD, F-450SD, F-550SD / 7.3L 445 DIESEL 2WD Super Duty